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zgui/libs/imgui/implot.cpp

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Initial Commit
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// MIT License
// Copyright (c) 2022 Evan Pezent
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
// ImPlot v0.14
/*
API BREAKING CHANGES
====================
Occasionally introducing changes that are breaking the API. We try to make the breakage minor and easy to fix.
Below is a change-log of API breaking changes only. If you are using one of the functions listed, expect to have to fix some code.
When you are not sure about a old symbol or function name, try using the Search/Find function of your IDE to look for comments or references in all implot files.
You can read releases logs https://github.com/epezent/implot/releases for more details.
- 2022/06/19 (0.14) - The signature of ColormapScale has changed to accommodate a new ImPlotColormapScaleFlags parameter
- 2022/06/17 (0.14) - **IMPORTANT** All PlotX functions now take an ImPlotX_Flags `flags` parameter. Where applicable, it is located before the existing `offset` and `stride` parameters.
If you were providing offset and stride values, you will need to update your function call to include a `flags` value. If you fail to do this, you will likely see
unexpected results or crashes without a compiler warning since these three are all default args. We apologize for the inconvenience, but this was a necessary evil.
- PlotBarsH has been removed; use PlotBars + ImPlotBarsFlags_Horizontal instead
- PlotErrorBarsH has been removed; use PlotErrorBars + ImPlotErrorBarsFlags_Horizontal
- PlotHistogram/PlotHistogram2D signatures changed; `cumulative`, `density`, and `outliers` options now specified via ImPlotHistogramFlags
- PlotPieChart signature changed; `normalize` option now specified via ImPlotPieChartFlags
- PlotText signature changes; `vertical` option now specified via `ImPlotTextFlags_Vertical`
- `PlotVLines` and `PlotHLines` replaced with `PlotInfLines` (+ ImPlotInfLinesFlags_Horizontal )
- arguments of ImPlotGetter have been reversed to be consistent with other API callbacks
- SetupAxisScale + ImPlotScale have replaced ImPlotAxisFlags_LogScale and ImPlotAxisFlags_Time flags
- ImPlotFormatters should now return an int indicating the size written
- the signature of ImPlotGetter has been reversed so that void* user_data is the last argument and consistent with other callbacks
- 2021/10/19 (0.13) - MAJOR API OVERHAUL! See #168 and #272
- TRIVIAL RENAME:
- ImPlotLimits -> ImPlotRect
- ImPlotYAxis_ -> ImAxis_
- SetPlotYAxis -> SetAxis
- BeginDragDropTarget -> BeginDragDropTargetPlot
- BeginDragDropSource -> BeginDragDropSourcePlot
- ImPlotFlags_NoMousePos -> ImPlotFlags_NoMouseText
- SetNextPlotLimits -> SetNextAxesLimits
- SetMouseTextLocation -> SetupMouseText
- SIGNATURE MODIFIED:
- PixelsToPlot/PlotToPixels -> added optional X-Axis arg
- GetPlotMousePos -> added optional X-Axis arg
- GetPlotLimits -> added optional X-Axis arg
- GetPlotSelection -> added optional X-Axis arg
- DragLineX/Y/DragPoint -> now takes int id; removed labels (render with Annotation/Tag instead)
- REPLACED:
- IsPlotXAxisHovered/IsPlotXYAxisHovered -> IsAxisHovered(ImAxis)
- BeginDragDropTargetX/BeginDragDropTargetY -> BeginDragDropTargetAxis(ImAxis)
- BeginDragDropSourceX/BeginDragDropSourceY -> BeginDragDropSourceAxis(ImAxis)
- ImPlotCol_XAxis, ImPlotCol_YAxis1, etc. -> ImPlotCol_AxisText (push/pop this around SetupAxis to style individual axes)
- ImPlotCol_XAxisGrid, ImPlotCol_Y1AxisGrid -> ImPlotCol_AxisGrid (push/pop this around SetupAxis to style individual axes)
- SetNextPlotLimitsX/Y -> SetNextAxisLimits(ImAxis)
- LinkNextPlotLimits -> SetNextAxisLinks(ImAxis)
- FitNextPlotAxes -> SetNextAxisToFit(ImAxis)/SetNextAxesToFit
- SetLegendLocation -> SetupLegend
- ImPlotFlags_NoHighlight -> ImPlotLegendFlags_NoHighlight
- ImPlotOrientation -> ImPlotLegendFlags_Horizontal
- Annotate -> Annotation
- REMOVED:
- GetPlotQuery, SetPlotQuery, IsPlotQueried -> use DragRect
- SetNextPlotTicksX, SetNextPlotTicksY -> use SetupAxisTicks
- SetNextPlotFormatX, SetNextPlotFormatY -> use SetupAxisFormat
- AnnotateClamped -> use Annotation(bool clamp = true)
- OBSOLETED:
- BeginPlot (original signature) -> use simplified signature + Setup API
- 2021/07/30 (0.12) - The offset argument of `PlotXG` functions was been removed. Implement offsetting in your getter callback instead.
- 2021/03/08 (0.9) - SetColormap and PushColormap(ImVec4*) were removed. Use AddColormap for custom colormap support. LerpColormap was changed to SampleColormap.
ShowColormapScale was changed to ColormapScale and requires additional arguments.
- 2021/03/07 (0.9) - The signature of ShowColormapScale was modified to accept a ImVec2 size.
- 2021/02/28 (0.9) - BeginLegendDragDropSource was changed to BeginDragDropSourceItem with a number of other drag and drop improvements.
- 2021/01/18 (0.9) - The default behavior for opening context menus was change from double right-click to single right-click. ImPlotInputMap and related functions were moved
to implot_internal.h due to its immaturity.
- 2020/10/16 (0.8) - ImPlotStyleVar_InfoPadding was changed to ImPlotStyleVar_MousePosPadding
- 2020/09/10 (0.8) - The single array versions of PlotLine, PlotScatter, PlotStems, and PlotShaded were given additional arguments for x-scale and x0.
- 2020/09/07 (0.8) - Plotting functions which accept a custom getter function pointer have been post-fixed with a G (e.g. PlotLineG)
- 2020/09/06 (0.7) - Several flags under ImPlotFlags and ImPlotAxisFlags were inverted (e.g. ImPlotFlags_Legend -> ImPlotFlags_NoLegend) so that the default flagset
is simply 0. This more closely matches ImGui's style and makes it easier to enable non-default but commonly used flags (e.g. ImPlotAxisFlags_Time).
- 2020/08/28 (0.5) - ImPlotMarker_ can no longer be combined with bitwise OR, |. This features caused unecessary slow-down, and almost no one used it.
- 2020/08/25 (0.5) - ImPlotAxisFlags_Scientific was removed. Logarithmic axes automatically uses scientific notation.
- 2020/08/17 (0.5) - PlotText was changed so that text is centered horizontally and vertically about the desired point.
- 2020/08/16 (0.5) - An ImPlotContext must be explicitly created and destroyed now with `CreateContext` and `DestroyContext`. Previously, the context was statically initialized in this source file.
- 2020/06/13 (0.4) - The flags `ImPlotAxisFlag_Adaptive` and `ImPlotFlags_Cull` were removed. Both are now done internally by default.
- 2020/06/03 (0.3) - The signature and behavior of PlotPieChart was changed so that data with sum less than 1 can optionally be normalized. The label format can now be specified as well.
- 2020/06/01 (0.3) - SetPalette was changed to `SetColormap` for consistency with other plotting libraries. `RestorePalette` was removed. Use `SetColormap(ImPlotColormap_Default)`.
- 2020/05/31 (0.3) - Plot functions taking custom ImVec2* getters were removed. Use the ImPlotPoint* getter versions instead.
- 2020/05/29 (0.3) - The signature of ImPlotLimits::Contains was changed to take two doubles instead of ImVec2
- 2020/05/16 (0.2) - All plotting functions were reverted to being prefixed with "Plot" to maintain a consistent VerbNoun style. `Plot` was split into `PlotLine`
and `PlotScatter` (however, `PlotLine` can still be used to plot scatter points as `Plot` did before.). `Bar` is not `PlotBars`, to indicate
that multiple bars will be plotted.
- 2020/05/13 (0.2) - `ImMarker` was change to `ImPlotMarker` and `ImAxisFlags` was changed to `ImPlotAxisFlags`.
- 2020/05/11 (0.2) - `ImPlotFlags_Selection` was changed to `ImPlotFlags_BoxSelect`
- 2020/05/11 (0.2) - The namespace ImGui:: was replaced with ImPlot::. As a result, the following additional changes were made:
- Functions that were prefixed or decorated with the word "Plot" have been truncated. E.g., `ImGui::PlotBars` is now just `ImPlot::Bar`.
It should be fairly obvious what was what.
- Some functions have been given names that would have otherwise collided with the ImGui namespace. This has been done to maintain a consistent
style with ImGui. E.g., 'ImGui::PushPlotStyleVar` is now 'ImPlot::PushStyleVar'.
- 2020/05/10 (0.2) - The following function/struct names were changes:
- ImPlotRange -> ImPlotLimits
- GetPlotRange() -> GetPlotLimits()
- SetNextPlotRange -> SetNextPlotLimits
- SetNextPlotRangeX -> SetNextPlotLimitsX
- SetNextPlotRangeY -> SetNextPlotLimitsY
- 2020/05/10 (0.2) - Plot queries are pixel based by default. Query rects that maintain relative plot position have been removed. This was done to support multi-y-axis.
*/
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#define IMGUI_DEFINE_MATH_OPERATORS
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#include "implot.h"
#include "implot_internal.h"
#include <stdlib.h>
// Support for pre-1.82 versions. Users on 1.82+ can use 0 (default) flags to mean "all corners" but in order to support older versions we are more explicit.
#if (IMGUI_VERSION_NUM < 18102) && !defined(ImDrawFlags_RoundCornersAll)
#define ImDrawFlags_RoundCornersAll ImDrawCornerFlags_All
#endif
// Visual Studio warnings
#ifdef _MSC_VER
#pragma warning (disable: 4996) // 'This function or variable may be unsafe': strcpy, strdup, sprintf, vsnprintf, sscanf, fopen
#endif
// Clang/GCC warnings with -Weverything
#if defined(__clang__)
#pragma clang diagnostic ignored "-Wformat-nonliteral" // warning: format string is not a string literal
#elif defined(__GNUC__)
#pragma GCC diagnostic ignored "-Wformat-nonliteral" // warning: format not a string literal, format string not checked
#endif
// Global plot context
#ifndef GImPlot
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ImPlotContext* GImPlot = nullptr;
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#endif
//-----------------------------------------------------------------------------
// Struct Implementations
//-----------------------------------------------------------------------------
ImPlotInputMap::ImPlotInputMap() {
ImPlot::MapInputDefault(this);
}
ImPlotStyle::ImPlotStyle() {
LineWeight = 1;
Marker = ImPlotMarker_None;
MarkerSize = 4;
MarkerWeight = 1;
FillAlpha = 1;
ErrorBarSize = 5;
ErrorBarWeight = 1.5f;
DigitalBitHeight = 8;
DigitalBitGap = 4;
PlotBorderSize = 1;
MinorAlpha = 0.25f;
MajorTickLen = ImVec2(10,10);
MinorTickLen = ImVec2(5,5);
MajorTickSize = ImVec2(1,1);
MinorTickSize = ImVec2(1,1);
MajorGridSize = ImVec2(1,1);
MinorGridSize = ImVec2(1,1);
PlotPadding = ImVec2(10,10);
LabelPadding = ImVec2(5,5);
LegendPadding = ImVec2(10,10);
LegendInnerPadding = ImVec2(5,5);
LegendSpacing = ImVec2(5,0);
MousePosPadding = ImVec2(10,10);
AnnotationPadding = ImVec2(2,2);
FitPadding = ImVec2(0,0);
PlotDefaultSize = ImVec2(400,300);
PlotMinSize = ImVec2(200,150);
ImPlot::StyleColorsAuto(this);
Colormap = ImPlotColormap_Deep;
UseLocalTime = false;
Use24HourClock = false;
UseISO8601 = false;
}
//-----------------------------------------------------------------------------
// Style
//-----------------------------------------------------------------------------
namespace ImPlot {
const char* GetStyleColorName(ImPlotCol col) {
static const char* col_names[ImPlotCol_COUNT] = {
"Line",
"Fill",
"MarkerOutline",
"MarkerFill",
"ErrorBar",
"FrameBg",
"PlotBg",
"PlotBorder",
"LegendBg",
"LegendBorder",
"LegendText",
"TitleText",
"InlayText",
"AxisText",
"AxisGrid",
"AxisTick",
"AxisBg",
"AxisBgHovered",
"AxisBgActive",
"Selection",
"Crosshairs"
};
return col_names[col];
}
const char* GetMarkerName(ImPlotMarker marker) {
switch (marker) {
case ImPlotMarker_None: return "None";
case ImPlotMarker_Circle: return "Circle";
case ImPlotMarker_Square: return "Square";
case ImPlotMarker_Diamond: return "Diamond";
case ImPlotMarker_Up: return "Up";
case ImPlotMarker_Down: return "Down";
case ImPlotMarker_Left: return "Left";
case ImPlotMarker_Right: return "Right";
case ImPlotMarker_Cross: return "Cross";
case ImPlotMarker_Plus: return "Plus";
case ImPlotMarker_Asterisk: return "Asterisk";
default: return "";
}
}
ImVec4 GetAutoColor(ImPlotCol idx) {
ImVec4 col(0,0,0,1);
switch(idx) {
case ImPlotCol_Line: return col; // these are plot dependent!
case ImPlotCol_Fill: return col; // these are plot dependent!
case ImPlotCol_MarkerOutline: return col; // these are plot dependent!
case ImPlotCol_MarkerFill: return col; // these are plot dependent!
case ImPlotCol_ErrorBar: return ImGui::GetStyleColorVec4(ImGuiCol_Text);
case ImPlotCol_FrameBg: return ImGui::GetStyleColorVec4(ImGuiCol_FrameBg);
case ImPlotCol_PlotBg: return ImGui::GetStyleColorVec4(ImGuiCol_WindowBg);
case ImPlotCol_PlotBorder: return ImGui::GetStyleColorVec4(ImGuiCol_Border);
case ImPlotCol_LegendBg: return ImGui::GetStyleColorVec4(ImGuiCol_PopupBg);
case ImPlotCol_LegendBorder: return GetStyleColorVec4(ImPlotCol_PlotBorder);
case ImPlotCol_LegendText: return GetStyleColorVec4(ImPlotCol_InlayText);
case ImPlotCol_TitleText: return ImGui::GetStyleColorVec4(ImGuiCol_Text);
case ImPlotCol_InlayText: return ImGui::GetStyleColorVec4(ImGuiCol_Text);
case ImPlotCol_AxisText: return ImGui::GetStyleColorVec4(ImGuiCol_Text);
case ImPlotCol_AxisGrid: return GetStyleColorVec4(ImPlotCol_AxisText) * ImVec4(1,1,1,0.25f);
case ImPlotCol_AxisTick: return GetStyleColorVec4(ImPlotCol_AxisGrid);
case ImPlotCol_AxisBg: return ImVec4(0,0,0,0);
case ImPlotCol_AxisBgHovered: return ImGui::GetStyleColorVec4(ImGuiCol_ButtonHovered);
case ImPlotCol_AxisBgActive: return ImGui::GetStyleColorVec4(ImGuiCol_ButtonActive);
case ImPlotCol_Selection: return ImVec4(1,1,0,1);
case ImPlotCol_Crosshairs: return GetStyleColorVec4(ImPlotCol_PlotBorder);
default: return col;
}
}
struct ImPlotStyleVarInfo {
ImGuiDataType Type;
ImU32 Count;
ImU32 Offset;
void* GetVarPtr(ImPlotStyle* style) const { return (void*)((unsigned char*)style + Offset); }
};
static const ImPlotStyleVarInfo GPlotStyleVarInfo[] =
{
{ ImGuiDataType_Float, 1, (ImU32)IM_OFFSETOF(ImPlotStyle, LineWeight) }, // ImPlotStyleVar_LineWeight
{ ImGuiDataType_S32, 1, (ImU32)IM_OFFSETOF(ImPlotStyle, Marker) }, // ImPlotStyleVar_Marker
{ ImGuiDataType_Float, 1, (ImU32)IM_OFFSETOF(ImPlotStyle, MarkerSize) }, // ImPlotStyleVar_MarkerSize
{ ImGuiDataType_Float, 1, (ImU32)IM_OFFSETOF(ImPlotStyle, MarkerWeight) }, // ImPlotStyleVar_MarkerWeight
{ ImGuiDataType_Float, 1, (ImU32)IM_OFFSETOF(ImPlotStyle, FillAlpha) }, // ImPlotStyleVar_FillAlpha
{ ImGuiDataType_Float, 1, (ImU32)IM_OFFSETOF(ImPlotStyle, ErrorBarSize) }, // ImPlotStyleVar_ErrorBarSize
{ ImGuiDataType_Float, 1, (ImU32)IM_OFFSETOF(ImPlotStyle, ErrorBarWeight) }, // ImPlotStyleVar_ErrorBarWeight
{ ImGuiDataType_Float, 1, (ImU32)IM_OFFSETOF(ImPlotStyle, DigitalBitHeight) }, // ImPlotStyleVar_DigitalBitHeight
{ ImGuiDataType_Float, 1, (ImU32)IM_OFFSETOF(ImPlotStyle, DigitalBitGap) }, // ImPlotStyleVar_DigitalBitGap
{ ImGuiDataType_Float, 1, (ImU32)IM_OFFSETOF(ImPlotStyle, PlotBorderSize) }, // ImPlotStyleVar_PlotBorderSize
{ ImGuiDataType_Float, 1, (ImU32)IM_OFFSETOF(ImPlotStyle, MinorAlpha) }, // ImPlotStyleVar_MinorAlpha
{ ImGuiDataType_Float, 2, (ImU32)IM_OFFSETOF(ImPlotStyle, MajorTickLen) }, // ImPlotStyleVar_MajorTickLen
{ ImGuiDataType_Float, 2, (ImU32)IM_OFFSETOF(ImPlotStyle, MinorTickLen) }, // ImPlotStyleVar_MinorTickLen
{ ImGuiDataType_Float, 2, (ImU32)IM_OFFSETOF(ImPlotStyle, MajorTickSize) }, // ImPlotStyleVar_MajorTickSize
{ ImGuiDataType_Float, 2, (ImU32)IM_OFFSETOF(ImPlotStyle, MinorTickSize) }, // ImPlotStyleVar_MinorTickSize
{ ImGuiDataType_Float, 2, (ImU32)IM_OFFSETOF(ImPlotStyle, MajorGridSize) }, // ImPlotStyleVar_MajorGridSize
{ ImGuiDataType_Float, 2, (ImU32)IM_OFFSETOF(ImPlotStyle, MinorGridSize) }, // ImPlotStyleVar_MinorGridSize
{ ImGuiDataType_Float, 2, (ImU32)IM_OFFSETOF(ImPlotStyle, PlotPadding) }, // ImPlotStyleVar_PlotPadding
{ ImGuiDataType_Float, 2, (ImU32)IM_OFFSETOF(ImPlotStyle, LabelPadding) }, // ImPlotStyleVar_LabelPaddine
{ ImGuiDataType_Float, 2, (ImU32)IM_OFFSETOF(ImPlotStyle, LegendPadding) }, // ImPlotStyleVar_LegendPadding
{ ImGuiDataType_Float, 2, (ImU32)IM_OFFSETOF(ImPlotStyle, LegendInnerPadding) }, // ImPlotStyleVar_LegendInnerPadding
{ ImGuiDataType_Float, 2, (ImU32)IM_OFFSETOF(ImPlotStyle, LegendSpacing) }, // ImPlotStyleVar_LegendSpacing
{ ImGuiDataType_Float, 2, (ImU32)IM_OFFSETOF(ImPlotStyle, MousePosPadding) }, // ImPlotStyleVar_MousePosPadding
{ ImGuiDataType_Float, 2, (ImU32)IM_OFFSETOF(ImPlotStyle, AnnotationPadding) }, // ImPlotStyleVar_AnnotationPadding
{ ImGuiDataType_Float, 2, (ImU32)IM_OFFSETOF(ImPlotStyle, FitPadding) }, // ImPlotStyleVar_FitPadding
{ ImGuiDataType_Float, 2, (ImU32)IM_OFFSETOF(ImPlotStyle, PlotDefaultSize) }, // ImPlotStyleVar_PlotDefaultSize
{ ImGuiDataType_Float, 2, (ImU32)IM_OFFSETOF(ImPlotStyle, PlotMinSize) } // ImPlotStyleVar_PlotMinSize
};
static const ImPlotStyleVarInfo* GetPlotStyleVarInfo(ImPlotStyleVar idx) {
IM_ASSERT(idx >= 0 && idx < ImPlotStyleVar_COUNT);
IM_ASSERT(IM_ARRAYSIZE(GPlotStyleVarInfo) == ImPlotStyleVar_COUNT);
return &GPlotStyleVarInfo[idx];
}
//-----------------------------------------------------------------------------
// Generic Helpers
//-----------------------------------------------------------------------------
void AddTextVertical(ImDrawList *DrawList, ImVec2 pos, ImU32 col, const char *text_begin, const char* text_end) {
// the code below is based loosely on ImFont::RenderText
if (!text_end)
text_end = text_begin + strlen(text_begin);
ImGuiContext& g = *GImGui;
ImFont* font = g.Font;
// Align to be pixel perfect
pos.x = IM_FLOOR(pos.x);
pos.y = IM_FLOOR(pos.y);
const float scale = g.FontSize / font->FontSize;
const char* s = text_begin;
int chars_exp = (int)(text_end - s);
int chars_rnd = 0;
const int vtx_count_max = chars_exp * 4;
const int idx_count_max = chars_exp * 6;
DrawList->PrimReserve(idx_count_max, vtx_count_max);
while (s < text_end) {
unsigned int c = (unsigned int)*s;
if (c < 0x80) {
s += 1;
}
else {
s += ImTextCharFromUtf8(&c, s, text_end);
if (c == 0) // Malformed UTF-8?
break;
}
const ImFontGlyph * glyph = font->FindGlyph((ImWchar)c);
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if (glyph == nullptr) {
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continue;
}
DrawList->PrimQuadUV(pos + ImVec2(glyph->Y0, -glyph->X0) * scale, pos + ImVec2(glyph->Y0, -glyph->X1) * scale,
pos + ImVec2(glyph->Y1, -glyph->X1) * scale, pos + ImVec2(glyph->Y1, -glyph->X0) * scale,
ImVec2(glyph->U0, glyph->V0), ImVec2(glyph->U1, glyph->V0),
ImVec2(glyph->U1, glyph->V1), ImVec2(glyph->U0, glyph->V1),
col);
pos.y -= glyph->AdvanceX * scale;
chars_rnd++;
}
// Give back unused vertices
int chars_skp = chars_exp-chars_rnd;
DrawList->PrimUnreserve(chars_skp*6, chars_skp*4);
}
void AddTextCentered(ImDrawList* DrawList, ImVec2 top_center, ImU32 col, const char* text_begin, const char* text_end) {
float txt_ht = ImGui::GetTextLineHeight();
const char* title_end = ImGui::FindRenderedTextEnd(text_begin, text_end);
ImVec2 text_size;
float y = 0;
while (const char* tmp = (const char*)memchr(text_begin, '\n', title_end-text_begin)) {
text_size = ImGui::CalcTextSize(text_begin,tmp,true);
DrawList->AddText(ImVec2(top_center.x - text_size.x * 0.5f, top_center.y+y),col,text_begin,tmp);
text_begin = tmp + 1;
y += txt_ht;
}
text_size = ImGui::CalcTextSize(text_begin,title_end,true);
DrawList->AddText(ImVec2(top_center.x - text_size.x * 0.5f, top_center.y+y),col,text_begin,title_end);
}
double NiceNum(double x, bool round) {
double f;
double nf;
int expv = (int)floor(ImLog10(x));
f = x / ImPow(10.0, (double)expv);
if (round)
if (f < 1.5)
nf = 1;
else if (f < 3)
nf = 2;
else if (f < 7)
nf = 5;
else
nf = 10;
else if (f <= 1)
nf = 1;
else if (f <= 2)
nf = 2;
else if (f <= 5)
nf = 5;
else
nf = 10;
return nf * ImPow(10.0, expv);
}
//-----------------------------------------------------------------------------
// Context Utils
//-----------------------------------------------------------------------------
void SetImGuiContext(ImGuiContext* ctx) {
ImGui::SetCurrentContext(ctx);
}
ImPlotContext* CreateContext() {
ImPlotContext* ctx = IM_NEW(ImPlotContext)();
Initialize(ctx);
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if (GImPlot == nullptr)
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SetCurrentContext(ctx);
return ctx;
}
void DestroyContext(ImPlotContext* ctx) {
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if (ctx == nullptr)
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ctx = GImPlot;
if (GImPlot == ctx)
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SetCurrentContext(nullptr);
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IM_DELETE(ctx);
}
ImPlotContext* GetCurrentContext() {
return GImPlot;
}
void SetCurrentContext(ImPlotContext* ctx) {
GImPlot = ctx;
}
#define IMPLOT_APPEND_CMAP(name, qual) ctx->ColormapData.Append(#name, name, sizeof(name)/sizeof(ImU32), qual)
#define IM_RGB(r,g,b) IM_COL32(r,g,b,255)
void Initialize(ImPlotContext* ctx) {
ResetCtxForNextPlot(ctx);
ResetCtxForNextAlignedPlots(ctx);
ResetCtxForNextSubplot(ctx);
const ImU32 Deep[] = {4289753676, 4283598045, 4285048917, 4283584196, 4289950337, 4284512403, 4291005402, 4287401100, 4285839820, 4291671396 };
const ImU32 Dark[] = {4280031972, 4290281015, 4283084621, 4288892568, 4278222847, 4281597951, 4280833702, 4290740727, 4288256409 };
const ImU32 Pastel[] = {4289639675, 4293119411, 4291161036, 4293184478, 4289124862, 4291624959, 4290631909, 4293712637, 4294111986 };
const ImU32 Paired[] = {4293119554, 4290017311, 4287291314, 4281114675, 4288256763, 4280031971, 4285513725, 4278222847, 4292260554, 4288298346, 4288282623, 4280834481};
const ImU32 Viridis[] = {4283695428, 4285867080, 4287054913, 4287455029, 4287526954, 4287402273, 4286883874, 4285579076, 4283552122, 4280737725, 4280674301 };
const ImU32 Plasma[] = {4287039501, 4288480321, 4289200234, 4288941455, 4287638193, 4286072780, 4284638433, 4283139314, 4281771772, 4280667900, 4280416752 };
const ImU32 Hot[] = {4278190144, 4278190208, 4278190271, 4278190335, 4278206719, 4278223103, 4278239231, 4278255615, 4283826175, 4289396735, 4294967295 };
const ImU32 Cool[] = {4294967040, 4294960666, 4294954035, 4294947661, 4294941030, 4294934656, 4294928025, 4294921651, 4294915020, 4294908646, 4294902015 };
const ImU32 Pink[] = {4278190154, 4282532475, 4284308894, 4285690554, 4286879686, 4287870160, 4288794330, 4289651940, 4291685869, 4293392118, 4294967295 };
const ImU32 Jet[] = {4289331200, 4294901760, 4294923520, 4294945280, 4294967040, 4289396565, 4283826090, 4278255615, 4278233855, 4278212095, 4278190335 };
const ImU32 Twilight[] = {IM_RGB(226,217,226),IM_RGB(166,191,202),IM_RGB(109,144,192),IM_RGB(95,88,176),IM_RGB(83,30,124),IM_RGB(47,20,54),IM_RGB(100,25,75),IM_RGB(159,60,80),IM_RGB(192,117,94),IM_RGB(208,179,158),IM_RGB(226,217,226)};
const ImU32 RdBu[] = {IM_RGB(103,0,31),IM_RGB(178,24,43),IM_RGB(214,96,77),IM_RGB(244,165,130),IM_RGB(253,219,199),IM_RGB(247,247,247),IM_RGB(209,229,240),IM_RGB(146,197,222),IM_RGB(67,147,195),IM_RGB(33,102,172),IM_RGB(5,48,97)};
const ImU32 BrBG[] = {IM_RGB(84,48,5),IM_RGB(140,81,10),IM_RGB(191,129,45),IM_RGB(223,194,125),IM_RGB(246,232,195),IM_RGB(245,245,245),IM_RGB(199,234,229),IM_RGB(128,205,193),IM_RGB(53,151,143),IM_RGB(1,102,94),IM_RGB(0,60,48)};
const ImU32 PiYG[] = {IM_RGB(142,1,82),IM_RGB(197,27,125),IM_RGB(222,119,174),IM_RGB(241,182,218),IM_RGB(253,224,239),IM_RGB(247,247,247),IM_RGB(230,245,208),IM_RGB(184,225,134),IM_RGB(127,188,65),IM_RGB(77,146,33),IM_RGB(39,100,25)};
const ImU32 Spectral[] = {IM_RGB(158,1,66),IM_RGB(213,62,79),IM_RGB(244,109,67),IM_RGB(253,174,97),IM_RGB(254,224,139),IM_RGB(255,255,191),IM_RGB(230,245,152),IM_RGB(171,221,164),IM_RGB(102,194,165),IM_RGB(50,136,189),IM_RGB(94,79,162)};
const ImU32 Greys[] = {IM_COL32_WHITE, IM_COL32_BLACK };
IMPLOT_APPEND_CMAP(Deep, true);
IMPLOT_APPEND_CMAP(Dark, true);
IMPLOT_APPEND_CMAP(Pastel, true);
IMPLOT_APPEND_CMAP(Paired, true);
IMPLOT_APPEND_CMAP(Viridis, false);
IMPLOT_APPEND_CMAP(Plasma, false);
IMPLOT_APPEND_CMAP(Hot, false);
IMPLOT_APPEND_CMAP(Cool, false);
IMPLOT_APPEND_CMAP(Pink, false);
IMPLOT_APPEND_CMAP(Jet, false);
IMPLOT_APPEND_CMAP(Twilight, false);
IMPLOT_APPEND_CMAP(RdBu, false);
IMPLOT_APPEND_CMAP(BrBG, false);
IMPLOT_APPEND_CMAP(PiYG, false);
IMPLOT_APPEND_CMAP(Spectral, false);
IMPLOT_APPEND_CMAP(Greys, false);
}
void ResetCtxForNextPlot(ImPlotContext* ctx) {
// end child window if it was made
if (ctx->ChildWindowMade)
ImGui::EndChild();
ctx->ChildWindowMade = false;
// reset the next plot/item data
ctx->NextPlotData.Reset();
ctx->NextItemData.Reset();
// reset labels
ctx->Annotations.Reset();
ctx->Tags.Reset();
// reset extents/fit
ctx->OpenContextThisFrame = false;
// reset digital plot items count
ctx->DigitalPlotItemCnt = 0;
ctx->DigitalPlotOffset = 0;
// nullify plot
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ctx->CurrentPlot = nullptr;
ctx->CurrentItem = nullptr;
ctx->PreviousItem = nullptr;
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}
void ResetCtxForNextAlignedPlots(ImPlotContext* ctx) {
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ctx->CurrentAlignmentH = nullptr;
ctx->CurrentAlignmentV = nullptr;
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}
void ResetCtxForNextSubplot(ImPlotContext* ctx) {
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ctx->CurrentSubplot = nullptr;
ctx->CurrentAlignmentH = nullptr;
ctx->CurrentAlignmentV = nullptr;
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}
//-----------------------------------------------------------------------------
// Plot Utils
//-----------------------------------------------------------------------------
ImPlotPlot* GetPlot(const char* title) {
ImGuiWindow* Window = GImGui->CurrentWindow;
const ImGuiID ID = Window->GetID(title);
return GImPlot->Plots.GetByKey(ID);
}
ImPlotPlot* GetCurrentPlot() {
return GImPlot->CurrentPlot;
}
void BustPlotCache() {
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ImPlotContext& gp = *GImPlot;
gp.Plots.Clear();
gp.Subplots.Clear();
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}
//-----------------------------------------------------------------------------
// Legend Utils
//-----------------------------------------------------------------------------
ImVec2 GetLocationPos(const ImRect& outer_rect, const ImVec2& inner_size, ImPlotLocation loc, const ImVec2& pad) {
ImVec2 pos;
if (ImHasFlag(loc, ImPlotLocation_West) && !ImHasFlag(loc, ImPlotLocation_East))
pos.x = outer_rect.Min.x + pad.x;
else if (!ImHasFlag(loc, ImPlotLocation_West) && ImHasFlag(loc, ImPlotLocation_East))
pos.x = outer_rect.Max.x - pad.x - inner_size.x;
else
pos.x = outer_rect.GetCenter().x - inner_size.x * 0.5f;
// legend reference point y
if (ImHasFlag(loc, ImPlotLocation_North) && !ImHasFlag(loc, ImPlotLocation_South))
pos.y = outer_rect.Min.y + pad.y;
else if (!ImHasFlag(loc, ImPlotLocation_North) && ImHasFlag(loc, ImPlotLocation_South))
pos.y = outer_rect.Max.y - pad.y - inner_size.y;
else
pos.y = outer_rect.GetCenter().y - inner_size.y * 0.5f;
pos.x = IM_ROUND(pos.x);
pos.y = IM_ROUND(pos.y);
return pos;
}
ImVec2 CalcLegendSize(ImPlotItemGroup& items, const ImVec2& pad, const ImVec2& spacing, bool vertical) {
// vars
const int nItems = items.GetLegendCount();
const float txt_ht = ImGui::GetTextLineHeight();
const float icon_size = txt_ht;
// get label max width
float max_label_width = 0;
float sum_label_width = 0;
for (int i = 0; i < nItems; ++i) {
const char* label = items.GetLegendLabel(i);
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const float label_width = ImGui::CalcTextSize(label, nullptr, true).x;
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max_label_width = label_width > max_label_width ? label_width : max_label_width;
sum_label_width += label_width;
}
// calc legend size
const ImVec2 legend_size = vertical ?
ImVec2(pad.x * 2 + icon_size + max_label_width, pad.y * 2 + nItems * txt_ht + (nItems - 1) * spacing.y) :
ImVec2(pad.x * 2 + icon_size * nItems + sum_label_width + (nItems - 1) * spacing.x, pad.y * 2 + txt_ht);
return legend_size;
}
int LegendSortingComp(const void* _a, const void* _b) {
ImPlotItemGroup* items = GImPlot->SortItems;
const int a = *(const int*)_a;
const int b = *(const int*)_b;
const char* label_a = items->GetLegendLabel(a);
const char* label_b = items->GetLegendLabel(b);
return strcmp(label_a,label_b);
}
bool ShowLegendEntries(ImPlotItemGroup& items, const ImRect& legend_bb, bool hovered, const ImVec2& pad, const ImVec2& spacing, bool vertical, ImDrawList& DrawList) {
// vars
const float txt_ht = ImGui::GetTextLineHeight();
const float icon_size = txt_ht;
const float icon_shrink = 2;
ImU32 col_txt = GetStyleColorU32(ImPlotCol_LegendText);
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ImU32 col_txt_dis = ImAlphaU32(col_txt, 0.25f);
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// render each legend item
float sum_label_width = 0;
bool any_item_hovered = false;
const int num_items = items.GetLegendCount();
if (num_items < 1)
return hovered;
// build render order
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ImPlotContext& gp = *GImPlot;
ImVector<int>& indices = gp.TempInt1;
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indices.resize(num_items);
for (int i = 0; i < num_items; ++i)
indices[i] = i;
if (ImHasFlag(items.Legend.Flags, ImPlotLegendFlags_Sort) && num_items > 1) {
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gp.SortItems = &items;
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qsort(indices.Data, num_items, sizeof(int), LegendSortingComp);
}
// render
for (int i = 0; i < num_items; ++i) {
const int idx = indices[i];
ImPlotItem* item = items.GetLegendItem(idx);
const char* label = items.GetLegendLabel(idx);
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const float label_width = ImGui::CalcTextSize(label, nullptr, true).x;
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const ImVec2 top_left = vertical ?
legend_bb.Min + pad + ImVec2(0, i * (txt_ht + spacing.y)) :
legend_bb.Min + pad + ImVec2(i * (icon_size + spacing.x) + sum_label_width, 0);
sum_label_width += label_width;
ImRect icon_bb;
icon_bb.Min = top_left + ImVec2(icon_shrink,icon_shrink);
icon_bb.Max = top_left + ImVec2(icon_size - icon_shrink, icon_size - icon_shrink);
ImRect label_bb;
label_bb.Min = top_left;
label_bb.Max = top_left + ImVec2(label_width + icon_size, icon_size);
ImU32 col_txt_hl;
ImU32 col_item = ImAlphaU32(item->Color,1);
ImRect button_bb(icon_bb.Min, label_bb.Max);
ImGui::KeepAliveID(item->ID);
bool item_hov = false;
bool item_hld = false;
bool item_clk = ImHasFlag(items.Legend.Flags, ImPlotLegendFlags_NoButtons)
? false
: ImGui::ButtonBehavior(button_bb, item->ID, &item_hov, &item_hld);
if (item_clk)
item->Show = !item->Show;
const bool can_hover = (item_hov)
&& (!ImHasFlag(items.Legend.Flags, ImPlotLegendFlags_NoHighlightItem)
|| !ImHasFlag(items.Legend.Flags, ImPlotLegendFlags_NoHighlightAxis));
if (can_hover) {
item->LegendHoverRect.Min = icon_bb.Min;
item->LegendHoverRect.Max = label_bb.Max;
item->LegendHovered = true;
col_txt_hl = ImMixU32(col_txt, col_item, 64);
any_item_hovered = true;
}
else {
col_txt_hl = ImGui::GetColorU32(col_txt);
}
ImU32 col_icon;
if (item_hld)
col_icon = item->Show ? ImAlphaU32(col_item,0.5f) : ImGui::GetColorU32(ImGuiCol_TextDisabled, 0.5f);
else if (item_hov)
col_icon = item->Show ? ImAlphaU32(col_item,0.75f) : ImGui::GetColorU32(ImGuiCol_TextDisabled, 0.75f);
else
col_icon = item->Show ? col_item : col_txt_dis;
DrawList.AddRectFilled(icon_bb.Min, icon_bb.Max, col_icon);
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const char* text_display_end = ImGui::FindRenderedTextEnd(label, nullptr);
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if (label != text_display_end)
DrawList.AddText(top_left + ImVec2(icon_size, 0), item->Show ? col_txt_hl : col_txt_dis, label, text_display_end);
}
return hovered && !any_item_hovered;
}
//-----------------------------------------------------------------------------
// Locators
//-----------------------------------------------------------------------------
static const float TICK_FILL_X = 0.8f;
static const float TICK_FILL_Y = 1.0f;
void Locator_Default(ImPlotTicker& ticker, const ImPlotRange& range, float pixels, bool vertical, ImPlotFormatter formatter, void* formatter_data) {
if (range.Min == range.Max)
return;
const int nMinor = 10;
const int nMajor = ImMax(2, (int)IM_ROUND(pixels / (vertical ? 300.0f : 400.0f)));
const double nice_range = NiceNum(range.Size() * 0.99, false);
const double interval = NiceNum(nice_range / (nMajor - 1), true);
const double graphmin = floor(range.Min / interval) * interval;
const double graphmax = ceil(range.Max / interval) * interval;
bool first_major_set = false;
int first_major_idx = 0;
const int idx0 = ticker.TickCount(); // ticker may have user custom ticks
ImVec2 total_size(0,0);
for (double major = graphmin; major < graphmax + 0.5 * interval; major += interval) {
// is this zero? combat zero formatting issues
if (major-interval < 0 && major+interval > 0)
major = 0;
if (range.Contains(major)) {
if (!first_major_set) {
first_major_idx = ticker.TickCount();
first_major_set = true;
}
total_size += ticker.AddTick(major, true, 0, true, formatter, formatter_data).LabelSize;
}
for (int i = 1; i < nMinor; ++i) {
double minor = major + i * interval / nMinor;
if (range.Contains(minor)) {
total_size += ticker.AddTick(minor, false, 0, true, formatter, formatter_data).LabelSize;
}
}
}
// prune if necessary
if ((!vertical && total_size.x > pixels*TICK_FILL_X) || (vertical && total_size.y > pixels*TICK_FILL_Y)) {
for (int i = first_major_idx-1; i >= idx0; i -= 2)
ticker.Ticks[i].ShowLabel = false;
for (int i = first_major_idx+1; i < ticker.TickCount(); i += 2)
ticker.Ticks[i].ShowLabel = false;
}
}
bool CalcLogarithmicExponents(const ImPlotRange& range, float pix, bool vertical, int& exp_min, int& exp_max, int& exp_step) {
if (range.Min * range.Max > 0) {
const int nMajor = vertical ? ImMax(2, (int)IM_ROUND(pix * 0.02f)) : ImMax(2, (int)IM_ROUND(pix * 0.01f)); // TODO: magic numbers
double log_min = ImLog10(ImAbs(range.Min));
double log_max = ImLog10(ImAbs(range.Max));
double log_a = ImMin(log_min,log_max);
double log_b = ImMax(log_min,log_max);
exp_step = ImMax(1,(int)(log_b - log_a) / nMajor);
exp_min = (int)log_a;
exp_max = (int)log_b;
if (exp_step != 1) {
while(exp_step % 3 != 0) exp_step++; // make step size multiple of three
while(exp_min % exp_step != 0) exp_min--; // decrease exp_min until exp_min + N * exp_step will be 0
}
return true;
}
return false;
}
void AddTicksLogarithmic(const ImPlotRange& range, int exp_min, int exp_max, int exp_step, ImPlotTicker& ticker, ImPlotFormatter formatter, void* data) {
const double sign = ImSign(range.Max);
for (int e = exp_min - exp_step; e < (exp_max + exp_step); e += exp_step) {
double major1 = sign*ImPow(10, (double)(e));
double major2 = sign*ImPow(10, (double)(e + 1));
double interval = (major2 - major1) / 9;
if (major1 >= (range.Min - DBL_EPSILON) && major1 <= (range.Max + DBL_EPSILON))
ticker.AddTick(major1, true, 0, true, formatter, data);
for (int j = 0; j < exp_step; ++j) {
major1 = sign*ImPow(10, (double)(e+j));
major2 = sign*ImPow(10, (double)(e+j+1));
interval = (major2 - major1) / 9;
for (int i = 1; i < (9 + (int)(j < (exp_step - 1))); ++i) {
double minor = major1 + i * interval;
if (minor >= (range.Min - DBL_EPSILON) && minor <= (range.Max + DBL_EPSILON))
ticker.AddTick(minor, false, 0, false, formatter, data);
}
}
}
}
void Locator_Log10(ImPlotTicker& ticker, const ImPlotRange& range, float pixels, bool vertical, ImPlotFormatter formatter, void* formatter_data) {
int exp_min, exp_max, exp_step;
if (CalcLogarithmicExponents(range, pixels, vertical, exp_min, exp_max, exp_step))
AddTicksLogarithmic(range, exp_min, exp_max, exp_step, ticker, formatter, formatter_data);
}
float CalcSymLogPixel(double plt, const ImPlotRange& range, float pixels) {
double scaleToPixels = pixels / range.Size();
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double scaleMin = TransformForward_SymLog(range.Min,nullptr);
double scaleMax = TransformForward_SymLog(range.Max,nullptr);
double s = TransformForward_SymLog(plt, nullptr);
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double t = (s - scaleMin) / (scaleMax - scaleMin);
plt = range.Min + range.Size() * t;
return (float)(0 + scaleToPixels * (plt - range.Min));
}
void Locator_SymLog(ImPlotTicker& ticker, const ImPlotRange& range, float pixels, bool vertical, ImPlotFormatter formatter, void* formatter_data) {
if (range.Min >= -1 && range.Max <= 1) {
Locator_Default(ticker, range, pixels, vertical, formatter, formatter_data);
}
else if (range.Min * range.Max < 0) { // cross zero
const float pix_min = 0;
const float pix_max = pixels;
const float pix_p1 = CalcSymLogPixel(1, range, pixels);
const float pix_n1 = CalcSymLogPixel(-1, range, pixels);
int exp_min_p, exp_max_p, exp_step_p;
int exp_min_n, exp_max_n, exp_step_n;
CalcLogarithmicExponents(ImPlotRange(1,range.Max), ImAbs(pix_max-pix_p1),vertical,exp_min_p,exp_max_p,exp_step_p);
CalcLogarithmicExponents(ImPlotRange(range.Min,-1),ImAbs(pix_n1-pix_min),vertical,exp_min_n,exp_max_n,exp_step_n);
int exp_step = ImMax(exp_step_n, exp_step_p);
ticker.AddTick(0,true,0,true,formatter,formatter_data);
AddTicksLogarithmic(ImPlotRange(1,range.Max), exp_min_p,exp_max_p,exp_step,ticker,formatter,formatter_data);
AddTicksLogarithmic(ImPlotRange(range.Min,-1),exp_min_n,exp_max_n,exp_step,ticker,formatter,formatter_data);
}
else {
Locator_Log10(ticker, range, pixels, vertical, formatter, formatter_data);
}
}
void AddTicksCustom(const double* values, const char* const labels[], int n, ImPlotTicker& ticker, ImPlotFormatter formatter, void* data) {
for (int i = 0; i < n; ++i) {
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if (labels != nullptr)
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ticker.AddTick(values[i], false, 0, true, labels[i]);
else
ticker.AddTick(values[i], false, 0, true, formatter, data);
}
}
//-----------------------------------------------------------------------------
// Time Ticks and Utils
//-----------------------------------------------------------------------------
// this may not be thread safe?
static const double TimeUnitSpans[ImPlotTimeUnit_COUNT] = {
0.000001,
0.001,
1,
60,
3600,
86400,
2629800,
31557600
};
inline ImPlotTimeUnit GetUnitForRange(double range) {
static double cutoffs[ImPlotTimeUnit_COUNT] = {0.001, 1, 60, 3600, 86400, 2629800, 31557600, IMPLOT_MAX_TIME};
for (int i = 0; i < ImPlotTimeUnit_COUNT; ++i) {
if (range <= cutoffs[i])
return (ImPlotTimeUnit)i;
}
return ImPlotTimeUnit_Yr;
}
inline int LowerBoundStep(int max_divs, const int* divs, const int* step, int size) {
if (max_divs < divs[0])
return 0;
for (int i = 1; i < size; ++i) {
if (max_divs < divs[i])
return step[i-1];
}
return step[size-1];
}
inline int GetTimeStep(int max_divs, ImPlotTimeUnit unit) {
if (unit == ImPlotTimeUnit_Ms || unit == ImPlotTimeUnit_Us) {
static const int step[] = {500,250,200,100,50,25,20,10,5,2,1};
static const int divs[] = {2,4,5,10,20,40,50,100,200,500,1000};
return LowerBoundStep(max_divs, divs, step, 11);
}
if (unit == ImPlotTimeUnit_S || unit == ImPlotTimeUnit_Min) {
static const int step[] = {30,15,10,5,1};
static const int divs[] = {2,4,6,12,60};
return LowerBoundStep(max_divs, divs, step, 5);
}
else if (unit == ImPlotTimeUnit_Hr) {
static const int step[] = {12,6,3,2,1};
static const int divs[] = {2,4,8,12,24};
return LowerBoundStep(max_divs, divs, step, 5);
}
else if (unit == ImPlotTimeUnit_Day) {
static const int step[] = {14,7,2,1};
static const int divs[] = {2,4,14,28};
return LowerBoundStep(max_divs, divs, step, 4);
}
else if (unit == ImPlotTimeUnit_Mo) {
static const int step[] = {6,3,2,1};
static const int divs[] = {2,4,6,12};
return LowerBoundStep(max_divs, divs, step, 4);
}
return 0;
}
ImPlotTime MkGmtTime(struct tm *ptm) {
ImPlotTime t;
#ifdef _WIN32
t.S = _mkgmtime(ptm);
#else
t.S = timegm(ptm);
#endif
if (t.S < 0)
t.S = 0;
return t;
}
tm* GetGmtTime(const ImPlotTime& t, tm* ptm)
{
#ifdef _WIN32
if (gmtime_s(ptm, &t.S) == 0)
return ptm;
else
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return nullptr;
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#else
return gmtime_r(&t.S, ptm);
#endif
}
ImPlotTime MkLocTime(struct tm *ptm) {
ImPlotTime t;
t.S = mktime(ptm);
if (t.S < 0)
t.S = 0;
return t;
}
tm* GetLocTime(const ImPlotTime& t, tm* ptm) {
#ifdef _WIN32
if (localtime_s(ptm, &t.S) == 0)
return ptm;
else
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return nullptr;
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#else
return localtime_r(&t.S, ptm);
#endif
}
inline ImPlotTime MkTime(struct tm *ptm) {
if (GetStyle().UseLocalTime)
return MkLocTime(ptm);
else
return MkGmtTime(ptm);
}
inline tm* GetTime(const ImPlotTime& t, tm* ptm) {
if (GetStyle().UseLocalTime)
return GetLocTime(t,ptm);
else
return GetGmtTime(t,ptm);
}
ImPlotTime MakeTime(int year, int month, int day, int hour, int min, int sec, int us) {
tm& Tm = GImPlot->Tm;
int yr = year - 1900;
if (yr < 0)
yr = 0;
sec = sec + us / 1000000;
us = us % 1000000;
Tm.tm_sec = sec;
Tm.tm_min = min;
Tm.tm_hour = hour;
Tm.tm_mday = day;
Tm.tm_mon = month;
Tm.tm_year = yr;
ImPlotTime t = MkTime(&Tm);
t.Us = us;
return t;
}
int GetYear(const ImPlotTime& t) {
tm& Tm = GImPlot->Tm;
GetTime(t, &Tm);
return Tm.tm_year + 1900;
}
ImPlotTime AddTime(const ImPlotTime& t, ImPlotTimeUnit unit, int count) {
tm& Tm = GImPlot->Tm;
ImPlotTime t_out = t;
switch(unit) {
case ImPlotTimeUnit_Us: t_out.Us += count; break;
case ImPlotTimeUnit_Ms: t_out.Us += count * 1000; break;
case ImPlotTimeUnit_S: t_out.S += count; break;
case ImPlotTimeUnit_Min: t_out.S += count * 60; break;
case ImPlotTimeUnit_Hr: t_out.S += count * 3600; break;
case ImPlotTimeUnit_Day: t_out.S += count * 86400; break;
case ImPlotTimeUnit_Mo: for (int i = 0; i < abs(count); ++i) {
GetTime(t_out, &Tm);
if (count > 0)
t_out.S += 86400 * GetDaysInMonth(Tm.tm_year + 1900, Tm.tm_mon);
else if (count < 0)
t_out.S -= 86400 * GetDaysInMonth(Tm.tm_year + 1900 - (Tm.tm_mon == 0 ? 1 : 0), Tm.tm_mon == 0 ? 11 : Tm.tm_mon - 1); // NOT WORKING
}
break;
case ImPlotTimeUnit_Yr: for (int i = 0; i < abs(count); ++i) {
if (count > 0)
t_out.S += 86400 * (365 + (int)IsLeapYear(GetYear(t_out)));
else if (count < 0)
t_out.S -= 86400 * (365 + (int)IsLeapYear(GetYear(t_out) - 1));
// this is incorrect if leap year and we are past Feb 28
}
break;
default: break;
}
t_out.RollOver();
return t_out;
}
ImPlotTime FloorTime(const ImPlotTime& t, ImPlotTimeUnit unit) {
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ImPlotContext& gp = *GImPlot;
GetTime(t, &gp.Tm);
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switch (unit) {
case ImPlotTimeUnit_S: return ImPlotTime(t.S, 0);
case ImPlotTimeUnit_Ms: return ImPlotTime(t.S, (t.Us / 1000) * 1000);
case ImPlotTimeUnit_Us: return t;
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case ImPlotTimeUnit_Yr: gp.Tm.tm_mon = 0; // fall-through
case ImPlotTimeUnit_Mo: gp.Tm.tm_mday = 1; // fall-through
case ImPlotTimeUnit_Day: gp.Tm.tm_hour = 0; // fall-through
case ImPlotTimeUnit_Hr: gp.Tm.tm_min = 0; // fall-through
case ImPlotTimeUnit_Min: gp.Tm.tm_sec = 0; break;
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default: return t;
}
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return MkTime(&gp.Tm);
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}
ImPlotTime CeilTime(const ImPlotTime& t, ImPlotTimeUnit unit) {
return AddTime(FloorTime(t, unit), unit, 1);
}
ImPlotTime RoundTime(const ImPlotTime& t, ImPlotTimeUnit unit) {
ImPlotTime t1 = FloorTime(t, unit);
ImPlotTime t2 = AddTime(t1,unit,1);
if (t1.S == t2.S)
return t.Us - t1.Us < t2.Us - t.Us ? t1 : t2;
return t.S - t1.S < t2.S - t.S ? t1 : t2;
}
ImPlotTime CombineDateTime(const ImPlotTime& date_part, const ImPlotTime& tod_part) {
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ImPlotContext& gp = *GImPlot;
tm& Tm = gp.Tm;
GetTime(date_part, &gp.Tm);
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int y = Tm.tm_year;
int m = Tm.tm_mon;
int d = Tm.tm_mday;
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GetTime(tod_part, &gp.Tm);
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Tm.tm_year = y;
Tm.tm_mon = m;
Tm.tm_mday = d;
ImPlotTime t = MkTime(&Tm);
t.Us = tod_part.Us;
return t;
}
// TODO: allow users to define these
static const char* MONTH_NAMES[] = {"January","February","March","April","May","June","July","August","September","October","November","December"};
static const char* WD_ABRVS[] = {"Su","Mo","Tu","We","Th","Fr","Sa"};
static const char* MONTH_ABRVS[] = {"Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec"};
int FormatTime(const ImPlotTime& t, char* buffer, int size, ImPlotTimeFmt fmt, bool use_24_hr_clk) {
tm& Tm = GImPlot->Tm;
GetTime(t, &Tm);
const int us = t.Us % 1000;
const int ms = t.Us / 1000;
const int sec = Tm.tm_sec;
const int min = Tm.tm_min;
if (use_24_hr_clk) {
const int hr = Tm.tm_hour;
switch(fmt) {
case ImPlotTimeFmt_Us: return ImFormatString(buffer, size, ".%03d %03d", ms, us);
case ImPlotTimeFmt_SUs: return ImFormatString(buffer, size, ":%02d.%03d %03d", sec, ms, us);
case ImPlotTimeFmt_SMs: return ImFormatString(buffer, size, ":%02d.%03d", sec, ms);
case ImPlotTimeFmt_S: return ImFormatString(buffer, size, ":%02d", sec);
case ImPlotTimeFmt_MinSMs: return ImFormatString(buffer, size, ":%02d:%02d.%03d", min, sec, ms);
case ImPlotTimeFmt_HrMinSMs: return ImFormatString(buffer, size, "%02d:%02d:%02d.%03d", hr, min, sec, ms);
case ImPlotTimeFmt_HrMinS: return ImFormatString(buffer, size, "%02d:%02d:%02d", hr, min, sec);
case ImPlotTimeFmt_HrMin: return ImFormatString(buffer, size, "%02d:%02d", hr, min);
case ImPlotTimeFmt_Hr: return ImFormatString(buffer, size, "%02d:00", hr);
default: return 0;
}
}
else {
const char* ap = Tm.tm_hour < 12 ? "am" : "pm";
const int hr = (Tm.tm_hour == 0 || Tm.tm_hour == 12) ? 12 : Tm.tm_hour % 12;
switch(fmt) {
case ImPlotTimeFmt_Us: return ImFormatString(buffer, size, ".%03d %03d", ms, us);
case ImPlotTimeFmt_SUs: return ImFormatString(buffer, size, ":%02d.%03d %03d", sec, ms, us);
case ImPlotTimeFmt_SMs: return ImFormatString(buffer, size, ":%02d.%03d", sec, ms);
case ImPlotTimeFmt_S: return ImFormatString(buffer, size, ":%02d", sec);
case ImPlotTimeFmt_MinSMs: return ImFormatString(buffer, size, ":%02d:%02d.%03d", min, sec, ms);
case ImPlotTimeFmt_HrMinSMs: return ImFormatString(buffer, size, "%d:%02d:%02d.%03d%s", hr, min, sec, ms, ap);
case ImPlotTimeFmt_HrMinS: return ImFormatString(buffer, size, "%d:%02d:%02d%s", hr, min, sec, ap);
case ImPlotTimeFmt_HrMin: return ImFormatString(buffer, size, "%d:%02d%s", hr, min, ap);
case ImPlotTimeFmt_Hr: return ImFormatString(buffer, size, "%d%s", hr, ap);
default: return 0;
}
}
}
int FormatDate(const ImPlotTime& t, char* buffer, int size, ImPlotDateFmt fmt, bool use_iso_8601) {
tm& Tm = GImPlot->Tm;
GetTime(t, &Tm);
const int day = Tm.tm_mday;
const int mon = Tm.tm_mon + 1;
const int year = Tm.tm_year + 1900;
const int yr = year % 100;
if (use_iso_8601) {
switch (fmt) {
case ImPlotDateFmt_DayMo: return ImFormatString(buffer, size, "--%02d-%02d", mon, day);
case ImPlotDateFmt_DayMoYr: return ImFormatString(buffer, size, "%d-%02d-%02d", year, mon, day);
case ImPlotDateFmt_MoYr: return ImFormatString(buffer, size, "%d-%02d", year, mon);
case ImPlotDateFmt_Mo: return ImFormatString(buffer, size, "--%02d", mon);
case ImPlotDateFmt_Yr: return ImFormatString(buffer, size, "%d", year);
default: return 0;
}
}
else {
switch (fmt) {
case ImPlotDateFmt_DayMo: return ImFormatString(buffer, size, "%d/%d", mon, day);
case ImPlotDateFmt_DayMoYr: return ImFormatString(buffer, size, "%d/%d/%02d", mon, day, yr);
case ImPlotDateFmt_MoYr: return ImFormatString(buffer, size, "%s %d", MONTH_ABRVS[Tm.tm_mon], year);
case ImPlotDateFmt_Mo: return ImFormatString(buffer, size, "%s", MONTH_ABRVS[Tm.tm_mon]);
case ImPlotDateFmt_Yr: return ImFormatString(buffer, size, "%d", year);
default: return 0;
}
}
}
int FormatDateTime(const ImPlotTime& t, char* buffer, int size, ImPlotDateTimeSpec fmt) {
int written = 0;
if (fmt.Date != ImPlotDateFmt_None)
written += FormatDate(t, buffer, size, fmt.Date, fmt.UseISO8601);
if (fmt.Time != ImPlotTimeFmt_None) {
if (fmt.Date != ImPlotDateFmt_None)
buffer[written++] = ' ';
written += FormatTime(t, &buffer[written], size - written, fmt.Time, fmt.Use24HourClock);
}
return written;
}
inline float GetDateTimeWidth(ImPlotDateTimeSpec fmt) {
static const ImPlotTime t_max_width = MakeTime(2888, 12, 22, 12, 58, 58, 888888); // best guess at time that maximizes pixel width
char buffer[32];
FormatDateTime(t_max_width, buffer, 32, fmt);
return ImGui::CalcTextSize(buffer).x;
}
inline bool TimeLabelSame(const char* l1, const char* l2) {
size_t len1 = strlen(l1);
size_t len2 = strlen(l2);
size_t n = len1 < len2 ? len1 : len2;
return strcmp(l1 + len1 - n, l2 + len2 - n) == 0;
}
static const ImPlotDateTimeSpec TimeFormatLevel0[ImPlotTimeUnit_COUNT] = {
ImPlotDateTimeSpec(ImPlotDateFmt_None, ImPlotTimeFmt_Us),
ImPlotDateTimeSpec(ImPlotDateFmt_None, ImPlotTimeFmt_SMs),
ImPlotDateTimeSpec(ImPlotDateFmt_None, ImPlotTimeFmt_S),
ImPlotDateTimeSpec(ImPlotDateFmt_None, ImPlotTimeFmt_HrMin),
ImPlotDateTimeSpec(ImPlotDateFmt_None, ImPlotTimeFmt_Hr),
ImPlotDateTimeSpec(ImPlotDateFmt_DayMo, ImPlotTimeFmt_None),
ImPlotDateTimeSpec(ImPlotDateFmt_Mo, ImPlotTimeFmt_None),
ImPlotDateTimeSpec(ImPlotDateFmt_Yr, ImPlotTimeFmt_None)
};
static const ImPlotDateTimeSpec TimeFormatLevel1[ImPlotTimeUnit_COUNT] = {
ImPlotDateTimeSpec(ImPlotDateFmt_None, ImPlotTimeFmt_HrMin),
ImPlotDateTimeSpec(ImPlotDateFmt_None, ImPlotTimeFmt_HrMinS),
ImPlotDateTimeSpec(ImPlotDateFmt_None, ImPlotTimeFmt_HrMin),
ImPlotDateTimeSpec(ImPlotDateFmt_None, ImPlotTimeFmt_HrMin),
ImPlotDateTimeSpec(ImPlotDateFmt_DayMoYr, ImPlotTimeFmt_None),
ImPlotDateTimeSpec(ImPlotDateFmt_DayMoYr, ImPlotTimeFmt_None),
ImPlotDateTimeSpec(ImPlotDateFmt_Yr, ImPlotTimeFmt_None),
ImPlotDateTimeSpec(ImPlotDateFmt_Yr, ImPlotTimeFmt_None)
};
static const ImPlotDateTimeSpec TimeFormatLevel1First[ImPlotTimeUnit_COUNT] = {
ImPlotDateTimeSpec(ImPlotDateFmt_DayMoYr, ImPlotTimeFmt_HrMinS),
ImPlotDateTimeSpec(ImPlotDateFmt_DayMoYr, ImPlotTimeFmt_HrMinS),
ImPlotDateTimeSpec(ImPlotDateFmt_DayMoYr, ImPlotTimeFmt_HrMin),
ImPlotDateTimeSpec(ImPlotDateFmt_DayMoYr, ImPlotTimeFmt_HrMin),
ImPlotDateTimeSpec(ImPlotDateFmt_DayMoYr, ImPlotTimeFmt_None),
ImPlotDateTimeSpec(ImPlotDateFmt_DayMoYr, ImPlotTimeFmt_None),
ImPlotDateTimeSpec(ImPlotDateFmt_Yr, ImPlotTimeFmt_None),
ImPlotDateTimeSpec(ImPlotDateFmt_Yr, ImPlotTimeFmt_None)
};
static const ImPlotDateTimeSpec TimeFormatMouseCursor[ImPlotTimeUnit_COUNT] = {
ImPlotDateTimeSpec(ImPlotDateFmt_None, ImPlotTimeFmt_Us),
ImPlotDateTimeSpec(ImPlotDateFmt_None, ImPlotTimeFmt_SUs),
ImPlotDateTimeSpec(ImPlotDateFmt_None, ImPlotTimeFmt_SMs),
ImPlotDateTimeSpec(ImPlotDateFmt_None, ImPlotTimeFmt_HrMinS),
ImPlotDateTimeSpec(ImPlotDateFmt_None, ImPlotTimeFmt_HrMin),
ImPlotDateTimeSpec(ImPlotDateFmt_DayMo, ImPlotTimeFmt_Hr),
ImPlotDateTimeSpec(ImPlotDateFmt_DayMoYr, ImPlotTimeFmt_None),
ImPlotDateTimeSpec(ImPlotDateFmt_MoYr, ImPlotTimeFmt_None)
};
inline ImPlotDateTimeSpec GetDateTimeFmt(const ImPlotDateTimeSpec* ctx, ImPlotTimeUnit idx) {
ImPlotStyle& style = GetStyle();
ImPlotDateTimeSpec fmt = ctx[idx];
fmt.UseISO8601 = style.UseISO8601;
fmt.Use24HourClock = style.Use24HourClock;
return fmt;
}
void Locator_Time(ImPlotTicker& ticker, const ImPlotRange& range, float pixels, bool vertical, ImPlotFormatter formatter, void* formatter_data) {
IM_ASSERT_USER_ERROR(vertical == false, "Cannot locate Time ticks on vertical axis!");
(void)vertical;
// get units for level 0 and level 1 labels
const ImPlotTimeUnit unit0 = GetUnitForRange(range.Size() / (pixels / 100)); // level = 0 (top)
const ImPlotTimeUnit unit1 = ImClamp(unit0 + 1, 0, ImPlotTimeUnit_COUNT-1); // level = 1 (bottom)
// get time format specs
const ImPlotDateTimeSpec fmt0 = GetDateTimeFmt(TimeFormatLevel0, unit0);
const ImPlotDateTimeSpec fmt1 = GetDateTimeFmt(TimeFormatLevel1, unit1);
const ImPlotDateTimeSpec fmtf = GetDateTimeFmt(TimeFormatLevel1First, unit1);
// min max times
const ImPlotTime t_min = ImPlotTime::FromDouble(range.Min);
const ImPlotTime t_max = ImPlotTime::FromDouble(range.Max);
// maximum allowable density of labels
const float max_density = 0.5f;
// book keeping
int last_major_offset = -1;
// formatter data
Formatter_Time_Data ftd;
ftd.UserFormatter = formatter;
ftd.UserFormatterData = formatter_data;
if (unit0 != ImPlotTimeUnit_Yr) {
// pixels per major (level 1) division
const float pix_per_major_div = pixels / (float)(range.Size() / TimeUnitSpans[unit1]);
// nominal pixels taken up by labels
const float fmt0_width = GetDateTimeWidth(fmt0);
const float fmt1_width = GetDateTimeWidth(fmt1);
const float fmtf_width = GetDateTimeWidth(fmtf);
// the maximum number of minor (level 0) labels that can fit between major (level 1) divisions
const int minor_per_major = (int)(max_density * pix_per_major_div / fmt0_width);
// the minor step size (level 0)
const int step = GetTimeStep(minor_per_major, unit0);
// generate ticks
ImPlotTime t1 = FloorTime(ImPlotTime::FromDouble(range.Min), unit1);
while (t1 < t_max) {
// get next major
const ImPlotTime t2 = AddTime(t1, unit1, 1);
// add major tick
if (t1 >= t_min && t1 <= t_max) {
// minor level 0 tick
ftd.Time = t1; ftd.Spec = fmt0;
ticker.AddTick(t1.ToDouble(), true, 0, true, Formatter_Time, &ftd);
// major level 1 tick
ftd.Time = t1; ftd.Spec = last_major_offset < 0 ? fmtf : fmt1;
ImPlotTick& tick_maj = ticker.AddTick(t1.ToDouble(), true, 1, true, Formatter_Time, &ftd);
const char* this_major = ticker.GetText(tick_maj);
if (last_major_offset >= 0 && TimeLabelSame(ticker.TextBuffer.Buf.Data + last_major_offset, this_major))
tick_maj.ShowLabel = false;
last_major_offset = tick_maj.TextOffset;
}
// add minor ticks up until next major
if (minor_per_major > 1 && (t_min <= t2 && t1 <= t_max)) {
ImPlotTime t12 = AddTime(t1, unit0, step);
while (t12 < t2) {
float px_to_t2 = (float)((t2 - t12).ToDouble()/range.Size()) * pixels;
if (t12 >= t_min && t12 <= t_max) {
ftd.Time = t12; ftd.Spec = fmt0;
ticker.AddTick(t12.ToDouble(), false, 0, px_to_t2 >= fmt0_width, Formatter_Time, &ftd);
if (last_major_offset < 0 && px_to_t2 >= fmt0_width && px_to_t2 >= (fmt1_width + fmtf_width) / 2) {
ftd.Time = t12; ftd.Spec = fmtf;
ImPlotTick& tick_maj = ticker.AddTick(t12.ToDouble(), true, 1, true, Formatter_Time, &ftd);
last_major_offset = tick_maj.TextOffset;
}
}
t12 = AddTime(t12, unit0, step);
}
}
t1 = t2;
}
}
else {
const ImPlotDateTimeSpec fmty = GetDateTimeFmt(TimeFormatLevel0, ImPlotTimeUnit_Yr);
const float label_width = GetDateTimeWidth(fmty);
const int max_labels = (int)(max_density * pixels / label_width);
const int year_min = GetYear(t_min);
const int year_max = GetYear(CeilTime(t_max, ImPlotTimeUnit_Yr));
const double nice_range = NiceNum((year_max - year_min)*0.99,false);
const double interval = NiceNum(nice_range / (max_labels - 1), true);
const int graphmin = (int)(floor(year_min / interval) * interval);
const int graphmax = (int)(ceil(year_max / interval) * interval);
const int step = (int)interval <= 0 ? 1 : (int)interval;
for (int y = graphmin; y < graphmax; y += step) {
ImPlotTime t = MakeTime(y);
if (t >= t_min && t <= t_max) {
ftd.Time = t; ftd.Spec = fmty;
ticker.AddTick(t.ToDouble(), true, 0, true, Formatter_Time, &ftd);
}
}
}
}
//-----------------------------------------------------------------------------
// Context Menu
//-----------------------------------------------------------------------------
template <typename F>
bool DragFloat(const char*, F*, float, F, F) {
return false;
}
template <>
bool DragFloat<double>(const char* label, double* v, float v_speed, double v_min, double v_max) {
return ImGui::DragScalar(label, ImGuiDataType_Double, v, v_speed, &v_min, &v_max, "%.3f", 1);
}
template <>
bool DragFloat<float>(const char* label, float* v, float v_speed, float v_min, float v_max) {
return ImGui::DragScalar(label, ImGuiDataType_Float, v, v_speed, &v_min, &v_max, "%.3f", 1);
}
inline void BeginDisabledControls(bool cond) {
if (cond) {
ImGui::PushItemFlag(ImGuiItemFlags_Disabled, true);
ImGui::PushStyleVar(ImGuiStyleVar_Alpha, ImGui::GetStyle().Alpha * 0.25f);
}
}
inline void EndDisabledControls(bool cond) {
if (cond) {
ImGui::PopItemFlag();
ImGui::PopStyleVar();
}
}
void ShowAxisContextMenu(ImPlotAxis& axis, ImPlotAxis* equal_axis, bool /*time_allowed*/) {
ImGui::PushItemWidth(75);
bool always_locked = axis.IsRangeLocked() || axis.IsAutoFitting();
bool label = axis.HasLabel();
bool grid = axis.HasGridLines();
bool ticks = axis.HasTickMarks();
bool labels = axis.HasTickLabels();
double drag_speed = (axis.Range.Size() <= DBL_EPSILON) ? DBL_EPSILON * 1.0e+13 : 0.01 * axis.Range.Size(); // recover from almost equal axis limits.
if (axis.Scale == ImPlotScale_Time) {
ImPlotTime tmin = ImPlotTime::FromDouble(axis.Range.Min);
ImPlotTime tmax = ImPlotTime::FromDouble(axis.Range.Max);
BeginDisabledControls(always_locked);
ImGui::CheckboxFlags("##LockMin", (unsigned int*)&axis.Flags, ImPlotAxisFlags_LockMin);
EndDisabledControls(always_locked);
ImGui::SameLine();
BeginDisabledControls(axis.IsLockedMin() || always_locked);
if (ImGui::BeginMenu("Min Time")) {
if (ShowTimePicker("mintime", &tmin)) {
if (tmin >= tmax)
tmax = AddTime(tmin, ImPlotTimeUnit_S, 1);
axis.SetRange(tmin.ToDouble(),tmax.ToDouble());
}
ImGui::Separator();
if (ShowDatePicker("mindate",&axis.PickerLevel,&axis.PickerTimeMin,&tmin,&tmax)) {
tmin = CombineDateTime(axis.PickerTimeMin, tmin);
if (tmin >= tmax)
tmax = AddTime(tmin, ImPlotTimeUnit_S, 1);
axis.SetRange(tmin.ToDouble(), tmax.ToDouble());
}
ImGui::EndMenu();
}
EndDisabledControls(axis.IsLockedMin() || always_locked);
BeginDisabledControls(always_locked);
ImGui::CheckboxFlags("##LockMax", (unsigned int*)&axis.Flags, ImPlotAxisFlags_LockMax);
EndDisabledControls(always_locked);
ImGui::SameLine();
BeginDisabledControls(axis.IsLockedMax() || always_locked);
if (ImGui::BeginMenu("Max Time")) {
if (ShowTimePicker("maxtime", &tmax)) {
if (tmax <= tmin)
tmin = AddTime(tmax, ImPlotTimeUnit_S, -1);
axis.SetRange(tmin.ToDouble(),tmax.ToDouble());
}
ImGui::Separator();
if (ShowDatePicker("maxdate",&axis.PickerLevel,&axis.PickerTimeMax,&tmin,&tmax)) {
tmax = CombineDateTime(axis.PickerTimeMax, tmax);
if (tmax <= tmin)
tmin = AddTime(tmax, ImPlotTimeUnit_S, -1);
axis.SetRange(tmin.ToDouble(), tmax.ToDouble());
}
ImGui::EndMenu();
}
EndDisabledControls(axis.IsLockedMax() || always_locked);
}
else {
BeginDisabledControls(always_locked);
ImGui::CheckboxFlags("##LockMin", (unsigned int*)&axis.Flags, ImPlotAxisFlags_LockMin);
EndDisabledControls(always_locked);
ImGui::SameLine();
BeginDisabledControls(axis.IsLockedMin() || always_locked);
double temp_min = axis.Range.Min;
if (DragFloat("Min", &temp_min, (float)drag_speed, -HUGE_VAL, axis.Range.Max - DBL_EPSILON)) {
axis.SetMin(temp_min,true);
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if (equal_axis != nullptr)
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equal_axis->SetAspect(axis.GetAspect());
}
EndDisabledControls(axis.IsLockedMin() || always_locked);
BeginDisabledControls(always_locked);
ImGui::CheckboxFlags("##LockMax", (unsigned int*)&axis.Flags, ImPlotAxisFlags_LockMax);
EndDisabledControls(always_locked);
ImGui::SameLine();
BeginDisabledControls(axis.IsLockedMax() || always_locked);
double temp_max = axis.Range.Max;
if (DragFloat("Max", &temp_max, (float)drag_speed, axis.Range.Min + DBL_EPSILON, HUGE_VAL)) {
axis.SetMax(temp_max,true);
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if (equal_axis != nullptr)
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equal_axis->SetAspect(axis.GetAspect());
}
EndDisabledControls(axis.IsLockedMax() || always_locked);
}
ImGui::Separator();
ImGui::CheckboxFlags("Auto-Fit",(unsigned int*)&axis.Flags, ImPlotAxisFlags_AutoFit);
// TODO
// BeginDisabledControls(axis.IsTime() && time_allowed);
// ImGui::CheckboxFlags("Log Scale",(unsigned int*)&axis.Flags, ImPlotAxisFlags_LogScale);
// EndDisabledControls(axis.IsTime() && time_allowed);
// if (time_allowed) {
// BeginDisabledControls(axis.IsLog() || axis.IsSymLog());
// ImGui::CheckboxFlags("Time",(unsigned int*)&axis.Flags, ImPlotAxisFlags_Time);
// EndDisabledControls(axis.IsLog() || axis.IsSymLog());
// }
ImGui::Separator();
ImGui::CheckboxFlags("Invert",(unsigned int*)&axis.Flags, ImPlotAxisFlags_Invert);
ImGui::CheckboxFlags("Opposite",(unsigned int*)&axis.Flags, ImPlotAxisFlags_Opposite);
ImGui::Separator();
BeginDisabledControls(axis.LabelOffset == -1);
if (ImGui::Checkbox("Label", &label))
ImFlipFlag(axis.Flags, ImPlotAxisFlags_NoLabel);
EndDisabledControls(axis.LabelOffset == -1);
if (ImGui::Checkbox("Grid Lines", &grid))
ImFlipFlag(axis.Flags, ImPlotAxisFlags_NoGridLines);
if (ImGui::Checkbox("Tick Marks", &ticks))
ImFlipFlag(axis.Flags, ImPlotAxisFlags_NoTickMarks);
if (ImGui::Checkbox("Tick Labels", &labels))
ImFlipFlag(axis.Flags, ImPlotAxisFlags_NoTickLabels);
}
bool ShowLegendContextMenu(ImPlotLegend& legend, bool visible) {
const float s = ImGui::GetFrameHeight();
bool ret = false;
if (ImGui::Checkbox("Show",&visible))
ret = true;
if (legend.CanGoInside)
ImGui::CheckboxFlags("Outside",(unsigned int*)&legend.Flags, ImPlotLegendFlags_Outside);
if (ImGui::RadioButton("H", ImHasFlag(legend.Flags, ImPlotLegendFlags_Horizontal)))
legend.Flags |= ImPlotLegendFlags_Horizontal;
ImGui::SameLine();
if (ImGui::RadioButton("V", !ImHasFlag(legend.Flags, ImPlotLegendFlags_Horizontal)))
legend.Flags &= ~ImPlotLegendFlags_Horizontal;
ImGui::PushStyleVar(ImGuiStyleVar_ItemSpacing, ImVec2(2,2));
if (ImGui::Button("NW",ImVec2(1.5f*s,s))) { legend.Location = ImPlotLocation_NorthWest; } ImGui::SameLine();
if (ImGui::Button("N", ImVec2(1.5f*s,s))) { legend.Location = ImPlotLocation_North; } ImGui::SameLine();
if (ImGui::Button("NE",ImVec2(1.5f*s,s))) { legend.Location = ImPlotLocation_NorthEast; }
if (ImGui::Button("W", ImVec2(1.5f*s,s))) { legend.Location = ImPlotLocation_West; } ImGui::SameLine();
if (ImGui::InvisibleButton("C", ImVec2(1.5f*s,s))) { } ImGui::SameLine();
if (ImGui::Button("E", ImVec2(1.5f*s,s))) { legend.Location = ImPlotLocation_East; }
if (ImGui::Button("SW",ImVec2(1.5f*s,s))) { legend.Location = ImPlotLocation_SouthWest; } ImGui::SameLine();
if (ImGui::Button("S", ImVec2(1.5f*s,s))) { legend.Location = ImPlotLocation_South; } ImGui::SameLine();
if (ImGui::Button("SE",ImVec2(1.5f*s,s))) { legend.Location = ImPlotLocation_SouthEast; }
ImGui::PopStyleVar();
return ret;
}
void ShowSubplotsContextMenu(ImPlotSubplot& subplot) {
if ((ImGui::BeginMenu("Linking"))) {
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if (ImGui::MenuItem("Link Rows",nullptr,ImHasFlag(subplot.Flags, ImPlotSubplotFlags_LinkRows)))
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ImFlipFlag(subplot.Flags, ImPlotSubplotFlags_LinkRows);
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if (ImGui::MenuItem("Link Cols",nullptr,ImHasFlag(subplot.Flags, ImPlotSubplotFlags_LinkCols)))
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ImFlipFlag(subplot.Flags, ImPlotSubplotFlags_LinkCols);
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if (ImGui::MenuItem("Link All X",nullptr,ImHasFlag(subplot.Flags, ImPlotSubplotFlags_LinkAllX)))
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ImFlipFlag(subplot.Flags, ImPlotSubplotFlags_LinkAllX);
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if (ImGui::MenuItem("Link All Y",nullptr,ImHasFlag(subplot.Flags, ImPlotSubplotFlags_LinkAllY)))
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ImFlipFlag(subplot.Flags, ImPlotSubplotFlags_LinkAllY);
ImGui::EndMenu();
}
if ((ImGui::BeginMenu("Settings"))) {
BeginDisabledControls(!subplot.HasTitle);
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if (ImGui::MenuItem("Title",nullptr,subplot.HasTitle && !ImHasFlag(subplot.Flags, ImPlotSubplotFlags_NoTitle)))
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ImFlipFlag(subplot.Flags, ImPlotSubplotFlags_NoTitle);
EndDisabledControls(!subplot.HasTitle);
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if (ImGui::MenuItem("Resizable",nullptr,!ImHasFlag(subplot.Flags, ImPlotSubplotFlags_NoResize)))
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ImFlipFlag(subplot.Flags, ImPlotSubplotFlags_NoResize);
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if (ImGui::MenuItem("Align",nullptr,!ImHasFlag(subplot.Flags, ImPlotSubplotFlags_NoAlign)))
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ImFlipFlag(subplot.Flags, ImPlotSubplotFlags_NoAlign);
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if (ImGui::MenuItem("Share Items",nullptr,ImHasFlag(subplot.Flags, ImPlotSubplotFlags_ShareItems)))
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ImFlipFlag(subplot.Flags, ImPlotSubplotFlags_ShareItems);
ImGui::EndMenu();
}
}
void ShowPlotContextMenu(ImPlotPlot& plot) {
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ImPlotContext& gp = *GImPlot;
const bool owns_legend = gp.CurrentItems == &plot.Items;
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const bool equal = ImHasFlag(plot.Flags, ImPlotFlags_Equal);
char buf[16] = {};
for (int i = 0; i < IMPLOT_NUM_X_AXES; i++) {
ImPlotAxis& x_axis = plot.XAxis(i);
if (!x_axis.Enabled || !x_axis.HasMenus())
continue;
ImGui::PushID(i);
ImFormatString(buf, sizeof(buf) - 1, i == 0 ? "X-Axis" : "X-Axis %d", i + 1);
if (ImGui::BeginMenu(x_axis.HasLabel() ? plot.GetAxisLabel(x_axis) : buf)) {
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ShowAxisContextMenu(x_axis, equal ? x_axis.OrthoAxis : nullptr, false);
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ImGui::EndMenu();
}
ImGui::PopID();
}
for (int i = 0; i < IMPLOT_NUM_Y_AXES; i++) {
ImPlotAxis& y_axis = plot.YAxis(i);
if (!y_axis.Enabled || !y_axis.HasMenus())
continue;
ImGui::PushID(i);
ImFormatString(buf, sizeof(buf) - 1, i == 0 ? "Y-Axis" : "Y-Axis %d", i + 1);
if (ImGui::BeginMenu(y_axis.HasLabel() ? plot.GetAxisLabel(y_axis) : buf)) {
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ShowAxisContextMenu(y_axis, equal ? y_axis.OrthoAxis : nullptr, false);
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ImGui::EndMenu();
}
ImGui::PopID();
}
ImGui::Separator();
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if (!ImHasFlag(gp.CurrentItems->Legend.Flags, ImPlotLegendFlags_NoMenus)) {
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if ((ImGui::BeginMenu("Legend"))) {
if (owns_legend) {
if (ShowLegendContextMenu(plot.Items.Legend, !ImHasFlag(plot.Flags, ImPlotFlags_NoLegend)))
ImFlipFlag(plot.Flags, ImPlotFlags_NoLegend);
}
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else if (gp.CurrentSubplot != nullptr) {
if (ShowLegendContextMenu(gp.CurrentSubplot->Items.Legend, !ImHasFlag(gp.CurrentSubplot->Flags, ImPlotSubplotFlags_NoLegend)))
ImFlipFlag(gp.CurrentSubplot->Flags, ImPlotSubplotFlags_NoLegend);
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}
ImGui::EndMenu();
}
}
if ((ImGui::BeginMenu("Settings"))) {
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if (ImGui::MenuItem("Equal", nullptr, ImHasFlag(plot.Flags, ImPlotFlags_Equal)))
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ImFlipFlag(plot.Flags, ImPlotFlags_Equal);
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if (ImGui::MenuItem("Box Select",nullptr,!ImHasFlag(plot.Flags, ImPlotFlags_NoBoxSelect)))
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ImFlipFlag(plot.Flags, ImPlotFlags_NoBoxSelect);
BeginDisabledControls(plot.TitleOffset == -1);
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if (ImGui::MenuItem("Title",nullptr,plot.HasTitle()))
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ImFlipFlag(plot.Flags, ImPlotFlags_NoTitle);
EndDisabledControls(plot.TitleOffset == -1);
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if (ImGui::MenuItem("Mouse Position",nullptr,!ImHasFlag(plot.Flags, ImPlotFlags_NoMouseText)))
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ImFlipFlag(plot.Flags, ImPlotFlags_NoMouseText);
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if (ImGui::MenuItem("Crosshairs",nullptr,ImHasFlag(plot.Flags, ImPlotFlags_Crosshairs)))
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ImFlipFlag(plot.Flags, ImPlotFlags_Crosshairs);
ImGui::EndMenu();
}
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if (gp.CurrentSubplot != nullptr && !ImHasFlag(gp.CurrentPlot->Flags, ImPlotSubplotFlags_NoMenus)) {
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ImGui::Separator();
if ((ImGui::BeginMenu("Subplots"))) {
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ShowSubplotsContextMenu(*gp.CurrentSubplot);
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ImGui::EndMenu();
}
}
}
//-----------------------------------------------------------------------------
// Axis Utils
//-----------------------------------------------------------------------------
static inline int AxisPrecision(const ImPlotAxis& axis) {
const double range = axis.Ticker.TickCount() > 1 ? (axis.Ticker.Ticks[1].PlotPos - axis.Ticker.Ticks[0].PlotPos) : axis.Range.Size();
return Precision(range);
}
static inline double RoundAxisValue(const ImPlotAxis& axis, double value) {
return RoundTo(value, AxisPrecision(axis));
}
void LabelAxisValue(const ImPlotAxis& axis, double value, char* buff, int size, bool round) {
ImPlotContext& gp = *GImPlot;
// TODO: We shouldn't explicitly check that the axis is Time here. Ideally,
// Formatter_Time would handle the formatting for us, but the code below
// needs additional arguments which are not currently available in ImPlotFormatter
if (axis.Locator == Locator_Time) {
ImPlotTimeUnit unit = axis.Vertical
? GetUnitForRange(axis.Range.Size() / (gp.CurrentPlot->PlotRect.GetHeight() / 100)) // TODO: magic value!
: GetUnitForRange(axis.Range.Size() / (gp.CurrentPlot->PlotRect.GetWidth() / 100)); // TODO: magic value!
FormatDateTime(ImPlotTime::FromDouble(value), buff, size, GetDateTimeFmt(TimeFormatMouseCursor, unit));
}
else {
if (round)
value = RoundAxisValue(axis, value);
axis.Formatter(value, buff, size, axis.FormatterData);
}
}
void UpdateAxisColors(ImPlotAxis& axis) {
const ImVec4 col_grid = GetStyleColorVec4(ImPlotCol_AxisGrid);
axis.ColorMaj = ImGui::GetColorU32(col_grid);
axis.ColorMin = ImGui::GetColorU32(col_grid*ImVec4(1,1,1,GImPlot->Style.MinorAlpha));
axis.ColorTick = GetStyleColorU32(ImPlotCol_AxisTick);
axis.ColorTxt = GetStyleColorU32(ImPlotCol_AxisText);
axis.ColorBg = GetStyleColorU32(ImPlotCol_AxisBg);
axis.ColorHov = GetStyleColorU32(ImPlotCol_AxisBgHovered);
axis.ColorAct = GetStyleColorU32(ImPlotCol_AxisBgActive);
// axis.ColorHiLi = IM_COL32_BLACK_TRANS;
}
void PadAndDatumAxesX(ImPlotPlot& plot, float& pad_T, float& pad_B, ImPlotAlignmentData* align) {
ImPlotContext& gp = *GImPlot;
const float T = ImGui::GetTextLineHeight();
const float P = gp.Style.LabelPadding.y;
const float K = gp.Style.MinorTickLen.x;
int count_T = 0;
int count_B = 0;
float last_T = plot.AxesRect.Min.y;
float last_B = plot.AxesRect.Max.y;
for (int i = IMPLOT_NUM_X_AXES; i-- > 0;) { // FYI: can iterate forward
ImPlotAxis& axis = plot.XAxis(i);
if (!axis.Enabled)
continue;
const bool label = axis.HasLabel();
const bool ticks = axis.HasTickLabels();
const bool opp = axis.IsOpposite();
const bool time = axis.Scale == ImPlotScale_Time;
if (opp) {
if (count_T++ > 0)
pad_T += K + P;
if (label)
pad_T += T + P;
if (ticks)
pad_T += ImMax(T, axis.Ticker.MaxSize.y) + P + (time ? T + P : 0);
axis.Datum1 = plot.CanvasRect.Min.y + pad_T;
axis.Datum2 = last_T;
last_T = axis.Datum1;
}
else {
if (count_B++ > 0)
pad_B += K + P;
if (label)
pad_B += T + P;
if (ticks)
pad_B += ImMax(T, axis.Ticker.MaxSize.y) + P + (time ? T + P : 0);
axis.Datum1 = plot.CanvasRect.Max.y - pad_B;
axis.Datum2 = last_B;
last_B = axis.Datum1;
}
}
if (align) {
count_T = count_B = 0;
float delta_T, delta_B;
align->Update(pad_T,pad_B,delta_T,delta_B);
for (int i = IMPLOT_NUM_X_AXES; i-- > 0;) {
ImPlotAxis& axis = plot.XAxis(i);
if (!axis.Enabled)
continue;
if (axis.IsOpposite()) {
axis.Datum1 += delta_T;
axis.Datum2 += count_T++ > 1 ? delta_T : 0;
}
else {
axis.Datum1 -= delta_B;
axis.Datum2 -= count_B++ > 1 ? delta_B : 0;
}
}
}
}
void PadAndDatumAxesY(ImPlotPlot& plot, float& pad_L, float& pad_R, ImPlotAlignmentData* align) {
// [ pad_L ] [ pad_R ]
// .................CanvasRect................
// :TPWPK.PTPWP _____PlotRect____ PWPTP.KPWPT:
// :A # |- A # |- -| # A -| # A:
// :X | X | | X | x:
// :I # |- I # |- -| # I -| # I:
// :S | S | | S | S:
// :3 # |- 0 # |-_______________-| # 1 -| # 2:
// :.........................................:
//
// T = text height
// P = label padding
// K = minor tick length
// W = label width
ImPlotContext& gp = *GImPlot;
const float T = ImGui::GetTextLineHeight();
const float P = gp.Style.LabelPadding.x;
const float K = gp.Style.MinorTickLen.y;
int count_L = 0;
int count_R = 0;
float last_L = plot.AxesRect.Min.x;
float last_R = plot.AxesRect.Max.x;
for (int i = IMPLOT_NUM_Y_AXES; i-- > 0;) { // FYI: can iterate forward
ImPlotAxis& axis = plot.YAxis(i);
if (!axis.Enabled)
continue;
const bool label = axis.HasLabel();
const bool ticks = axis.HasTickLabels();
const bool opp = axis.IsOpposite();
if (opp) {
if (count_R++ > 0)
pad_R += K + P;
if (label)
pad_R += T + P;
if (ticks)
pad_R += axis.Ticker.MaxSize.x + P;
axis.Datum1 = plot.CanvasRect.Max.x - pad_R;
axis.Datum2 = last_R;
last_R = axis.Datum1;
}
else {
if (count_L++ > 0)
pad_L += K + P;
if (label)
pad_L += T + P;
if (ticks)
pad_L += axis.Ticker.MaxSize.x + P;
axis.Datum1 = plot.CanvasRect.Min.x + pad_L;
axis.Datum2 = last_L;
last_L = axis.Datum1;
}
}
plot.PlotRect.Min.x = plot.CanvasRect.Min.x + pad_L;
plot.PlotRect.Max.x = plot.CanvasRect.Max.x - pad_R;
if (align) {
count_L = count_R = 0;
float delta_L, delta_R;
align->Update(pad_L,pad_R,delta_L,delta_R);
for (int i = IMPLOT_NUM_Y_AXES; i-- > 0;) {
ImPlotAxis& axis = plot.YAxis(i);
if (!axis.Enabled)
continue;
if (axis.IsOpposite()) {
axis.Datum1 -= delta_R;
axis.Datum2 -= count_R++ > 1 ? delta_R : 0;
}
else {
axis.Datum1 += delta_L;
axis.Datum2 += count_L++ > 1 ? delta_L : 0;
}
}
}
}
//-----------------------------------------------------------------------------
// RENDERING
//-----------------------------------------------------------------------------
static inline void RenderGridLinesX(ImDrawList& DrawList, const ImPlotTicker& ticker, const ImRect& rect, ImU32 col_maj, ImU32 col_min, float size_maj, float size_min) {
const float density = ticker.TickCount() / rect.GetWidth();
ImVec4 col_min4 = ImGui::ColorConvertU32ToFloat4(col_min);
col_min4.w *= ImClamp(ImRemap(density, 0.1f, 0.2f, 1.0f, 0.0f), 0.0f, 1.0f);
col_min = ImGui::ColorConvertFloat4ToU32(col_min4);
for (int t = 0; t < ticker.TickCount(); t++) {
const ImPlotTick& xt = ticker.Ticks[t];
if (xt.PixelPos < rect.Min.x || xt.PixelPos > rect.Max.x)
continue;
if (xt.Level == 0) {
if (xt.Major)
DrawList.AddLine(ImVec2(xt.PixelPos, rect.Min.y), ImVec2(xt.PixelPos, rect.Max.y), col_maj, size_maj);
else if (density < 0.2f)
DrawList.AddLine(ImVec2(xt.PixelPos, rect.Min.y), ImVec2(xt.PixelPos, rect.Max.y), col_min, size_min);
}
}
}
static inline void RenderGridLinesY(ImDrawList& DrawList, const ImPlotTicker& ticker, const ImRect& rect, ImU32 col_maj, ImU32 col_min, float size_maj, float size_min) {
const float density = ticker.TickCount() / rect.GetHeight();
ImVec4 col_min4 = ImGui::ColorConvertU32ToFloat4(col_min);
col_min4.w *= ImClamp(ImRemap(density, 0.1f, 0.2f, 1.0f, 0.0f), 0.0f, 1.0f);
col_min = ImGui::ColorConvertFloat4ToU32(col_min4);
for (int t = 0; t < ticker.TickCount(); t++) {
const ImPlotTick& yt = ticker.Ticks[t];
if (yt.PixelPos < rect.Min.y || yt.PixelPos > rect.Max.y)
continue;
if (yt.Major)
DrawList.AddLine(ImVec2(rect.Min.x, yt.PixelPos), ImVec2(rect.Max.x, yt.PixelPos), col_maj, size_maj);
else if (density < 0.2f)
DrawList.AddLine(ImVec2(rect.Min.x, yt.PixelPos), ImVec2(rect.Max.x, yt.PixelPos), col_min, size_min);
}
}
static inline void RenderSelectionRect(ImDrawList& DrawList, const ImVec2& p_min, const ImVec2& p_max, const ImVec4& col) {
const ImU32 col_bg = ImGui::GetColorU32(col * ImVec4(1,1,1,0.25f));
const ImU32 col_bd = ImGui::GetColorU32(col);
DrawList.AddRectFilled(p_min, p_max, col_bg);
DrawList.AddRect(p_min, p_max, col_bd);
}
//-----------------------------------------------------------------------------
// Input Handling
//-----------------------------------------------------------------------------
static const float MOUSE_CURSOR_DRAG_THRESHOLD = 5.0f;
static const float BOX_SELECT_DRAG_THRESHOLD = 4.0f;
bool UpdateInput(ImPlotPlot& plot) {
bool changed = false;
ImPlotContext& gp = *GImPlot;
ImGuiIO& IO = ImGui::GetIO();
// BUTTON STATE -----------------------------------------------------------
const ImGuiButtonFlags plot_button_flags = ImGuiButtonFlags_AllowItemOverlap
| ImGuiButtonFlags_PressedOnClick
| ImGuiButtonFlags_PressedOnDoubleClick
| ImGuiButtonFlags_MouseButtonLeft
| ImGuiButtonFlags_MouseButtonRight
| ImGuiButtonFlags_MouseButtonMiddle;
const ImGuiButtonFlags axis_button_flags = ImGuiButtonFlags_FlattenChildren
| plot_button_flags;
const bool plot_clicked = ImGui::ButtonBehavior(plot.PlotRect,plot.ID,&plot.Hovered,&plot.Held,plot_button_flags);
ImGui::SetItemAllowOverlap();
if (plot_clicked) {
if (!ImHasFlag(plot.Flags, ImPlotFlags_NoBoxSelect) && IO.MouseClicked[gp.InputMap.Select] && ImHasFlag(IO.KeyMods, gp.InputMap.SelectMod)) {
plot.Selecting = true;
plot.SelectStart = IO.MousePos;
plot.SelectRect = ImRect(0,0,0,0);
}
if (IO.MouseDoubleClicked[gp.InputMap.Fit]) {
plot.FitThisFrame = true;
for (int i = 0; i < ImAxis_COUNT; ++i)
plot.Axes[i].FitThisFrame = true;
}
}
const bool can_pan = IO.MouseDown[gp.InputMap.Pan] && ImHasFlag(IO.KeyMods, gp.InputMap.PanMod);
plot.Held = plot.Held && can_pan;
bool x_click[IMPLOT_NUM_X_AXES] = {false};
bool x_held[IMPLOT_NUM_X_AXES] = {false};
bool x_hov[IMPLOT_NUM_X_AXES] = {false};
bool y_click[IMPLOT_NUM_Y_AXES] = {false};
bool y_held[IMPLOT_NUM_Y_AXES] = {false};
bool y_hov[IMPLOT_NUM_Y_AXES] = {false};
for (int i = 0; i < IMPLOT_NUM_X_AXES; ++i) {
ImPlotAxis& xax = plot.XAxis(i);
if (xax.Enabled) {
ImGui::KeepAliveID(xax.ID);
x_click[i] = ImGui::ButtonBehavior(xax.HoverRect,xax.ID,&xax.Hovered,&xax.Held,axis_button_flags);
if (x_click[i] && IO.MouseDoubleClicked[gp.InputMap.Fit])
plot.FitThisFrame = xax.FitThisFrame = true;
xax.Held = xax.Held && can_pan;
x_hov[i] = xax.Hovered || plot.Hovered;
x_held[i] = xax.Held || plot.Held;
}
}
for (int i = 0; i < IMPLOT_NUM_Y_AXES; ++i) {
ImPlotAxis& yax = plot.YAxis(i);
if (yax.Enabled) {
ImGui::KeepAliveID(yax.ID);
y_click[i] = ImGui::ButtonBehavior(yax.HoverRect,yax.ID,&yax.Hovered,&yax.Held,axis_button_flags);
if (y_click[i] && IO.MouseDoubleClicked[gp.InputMap.Fit])
plot.FitThisFrame = yax.FitThisFrame = true;
yax.Held = yax.Held && can_pan;
y_hov[i] = yax.Hovered || plot.Hovered;
y_held[i] = yax.Held || plot.Held;
}
}
// cancel due to DND activity
if (GImGui->DragDropActive || (IO.KeyMods == gp.InputMap.OverrideMod && gp.InputMap.OverrideMod != 0))
return false;
// STATE -------------------------------------------------------------------
const bool axis_equal = ImHasFlag(plot.Flags, ImPlotFlags_Equal);
const bool any_x_hov = plot.Hovered || AnyAxesHovered(&plot.Axes[ImAxis_X1], IMPLOT_NUM_X_AXES);
const bool any_x_held = plot.Held || AnyAxesHeld(&plot.Axes[ImAxis_X1], IMPLOT_NUM_X_AXES);
const bool any_y_hov = plot.Hovered || AnyAxesHovered(&plot.Axes[ImAxis_Y1], IMPLOT_NUM_Y_AXES);
const bool any_y_held = plot.Held || AnyAxesHeld(&plot.Axes[ImAxis_Y1], IMPLOT_NUM_Y_AXES);
const bool any_hov = any_x_hov || any_y_hov;
const bool any_held = any_x_held || any_y_held;
const ImVec2 select_drag = ImGui::GetMouseDragDelta(gp.InputMap.Select);
const ImVec2 pan_drag = ImGui::GetMouseDragDelta(gp.InputMap.Pan);
const float select_drag_sq = ImLengthSqr(select_drag);
const float pan_drag_sq = ImLengthSqr(pan_drag);
const bool selecting = plot.Selecting && select_drag_sq > MOUSE_CURSOR_DRAG_THRESHOLD;
const bool panning = any_held && pan_drag_sq > MOUSE_CURSOR_DRAG_THRESHOLD;
// CONTEXT MENU -----------------------------------------------------------
if (IO.MouseReleased[gp.InputMap.Menu] && !plot.ContextLocked)
gp.OpenContextThisFrame = true;
if (selecting || panning)
plot.ContextLocked = true;
else if (!(IO.MouseDown[gp.InputMap.Menu] || IO.MouseReleased[gp.InputMap.Menu]))
plot.ContextLocked = false;
// DRAG INPUT -------------------------------------------------------------
if (any_held && !plot.Selecting) {
int drag_direction = 0;
for (int i = 0; i < IMPLOT_NUM_X_AXES; i++) {
ImPlotAxis& x_axis = plot.XAxis(i);
if (x_held[i] && !x_axis.IsInputLocked()) {
drag_direction |= (1 << 1);
bool increasing = x_axis.IsInverted() ? IO.MouseDelta.x > 0 : IO.MouseDelta.x < 0;
if (IO.MouseDelta.x != 0 && !x_axis.IsPanLocked(increasing)) {
const double plot_l = x_axis.PixelsToPlot(plot.PlotRect.Min.x - IO.MouseDelta.x);
const double plot_r = x_axis.PixelsToPlot(plot.PlotRect.Max.x - IO.MouseDelta.x);
x_axis.SetMin(x_axis.IsInverted() ? plot_r : plot_l);
x_axis.SetMax(x_axis.IsInverted() ? plot_l : plot_r);
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if (axis_equal && x_axis.OrthoAxis != nullptr)
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x_axis.OrthoAxis->SetAspect(x_axis.GetAspect());
changed = true;
}
}
}
for (int i = 0; i < IMPLOT_NUM_Y_AXES; i++) {
ImPlotAxis& y_axis = plot.YAxis(i);
if (y_held[i] && !y_axis.IsInputLocked()) {
drag_direction |= (1 << 2);
bool increasing = y_axis.IsInverted() ? IO.MouseDelta.y < 0 : IO.MouseDelta.y > 0;
if (IO.MouseDelta.y != 0 && !y_axis.IsPanLocked(increasing)) {
const double plot_t = y_axis.PixelsToPlot(plot.PlotRect.Min.y - IO.MouseDelta.y);
const double plot_b = y_axis.PixelsToPlot(plot.PlotRect.Max.y - IO.MouseDelta.y);
y_axis.SetMin(y_axis.IsInverted() ? plot_t : plot_b);
y_axis.SetMax(y_axis.IsInverted() ? plot_b : plot_t);
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if (axis_equal && y_axis.OrthoAxis != nullptr)
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y_axis.OrthoAxis->SetAspect(y_axis.GetAspect());
changed = true;
}
}
}
if (IO.MouseDragMaxDistanceSqr[gp.InputMap.Pan] > MOUSE_CURSOR_DRAG_THRESHOLD) {
switch (drag_direction) {
case 0 : ImGui::SetMouseCursor(ImGuiMouseCursor_NotAllowed); break;
case (1 << 1) : ImGui::SetMouseCursor(ImGuiMouseCursor_ResizeEW); break;
case (1 << 2) : ImGui::SetMouseCursor(ImGuiMouseCursor_ResizeNS); break;
default : ImGui::SetMouseCursor(ImGuiMouseCursor_ResizeAll); break;
}
}
}
// SCROLL INPUT -----------------------------------------------------------
if (any_hov && IO.MouseWheel != 0 && ImHasFlag(IO.KeyMods, gp.InputMap.ZoomMod)) {
float zoom_rate = gp.InputMap.ZoomRate;
if (IO.MouseWheel > 0)
zoom_rate = (-zoom_rate) / (1.0f + (2.0f * zoom_rate));
ImVec2 rect_size = plot.PlotRect.GetSize();
float tx = ImRemap(IO.MousePos.x, plot.PlotRect.Min.x, plot.PlotRect.Max.x, 0.0f, 1.0f);
float ty = ImRemap(IO.MousePos.y, plot.PlotRect.Min.y, plot.PlotRect.Max.y, 0.0f, 1.0f);
for (int i = 0; i < IMPLOT_NUM_X_AXES; i++) {
ImPlotAxis& x_axis = plot.XAxis(i);
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const bool equal_zoom = axis_equal && x_axis.OrthoAxis != nullptr;
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const bool equal_locked = (equal_zoom != false) && x_axis.OrthoAxis->IsInputLocked();
if (x_hov[i] && !x_axis.IsInputLocked() && !equal_locked) {
float correction = (plot.Hovered && equal_zoom) ? 0.5f : 1.0f;
const double plot_l = x_axis.PixelsToPlot(plot.PlotRect.Min.x - rect_size.x * tx * zoom_rate * correction);
const double plot_r = x_axis.PixelsToPlot(plot.PlotRect.Max.x + rect_size.x * (1 - tx) * zoom_rate * correction);
x_axis.SetMin(x_axis.IsInverted() ? plot_r : plot_l);
x_axis.SetMax(x_axis.IsInverted() ? plot_l : plot_r);
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if (axis_equal && x_axis.OrthoAxis != nullptr)
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x_axis.OrthoAxis->SetAspect(x_axis.GetAspect());
changed = true;
}
}
for (int i = 0; i < IMPLOT_NUM_Y_AXES; i++) {
ImPlotAxis& y_axis = plot.YAxis(i);
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const bool equal_zoom = axis_equal && y_axis.OrthoAxis != nullptr;
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const bool equal_locked = equal_zoom && y_axis.OrthoAxis->IsInputLocked();
if (y_hov[i] && !y_axis.IsInputLocked() && !equal_locked) {
float correction = (plot.Hovered && equal_zoom) ? 0.5f : 1.0f;
const double plot_t = y_axis.PixelsToPlot(plot.PlotRect.Min.y - rect_size.y * ty * zoom_rate * correction);
const double plot_b = y_axis.PixelsToPlot(plot.PlotRect.Max.y + rect_size.y * (1 - ty) * zoom_rate * correction);
y_axis.SetMin(y_axis.IsInverted() ? plot_t : plot_b);
y_axis.SetMax(y_axis.IsInverted() ? plot_b : plot_t);
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if (axis_equal && y_axis.OrthoAxis != nullptr)
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y_axis.OrthoAxis->SetAspect(y_axis.GetAspect());
changed = true;
}
}
}
// BOX-SELECTION ----------------------------------------------------------
if (plot.Selecting) {
const ImVec2 d = plot.SelectStart - IO.MousePos;
const bool x_can_change = !ImHasFlag(IO.KeyMods,gp.InputMap.SelectHorzMod) && ImFabs(d.x) > 2;
const bool y_can_change = !ImHasFlag(IO.KeyMods,gp.InputMap.SelectVertMod) && ImFabs(d.y) > 2;
// confirm
if (IO.MouseReleased[gp.InputMap.Select]) {
for (int i = 0; i < IMPLOT_NUM_X_AXES; i++) {
ImPlotAxis& x_axis = plot.XAxis(i);
if (!x_axis.IsInputLocked() && x_can_change) {
const double p1 = x_axis.PixelsToPlot(plot.SelectStart.x);
const double p2 = x_axis.PixelsToPlot(IO.MousePos.x);
x_axis.SetMin(ImMin(p1, p2));
x_axis.SetMax(ImMax(p1, p2));
changed = true;
}
}
for (int i = 0; i < IMPLOT_NUM_Y_AXES; i++) {
ImPlotAxis& y_axis = plot.YAxis(i);
if (!y_axis.IsInputLocked() && y_can_change) {
const double p1 = y_axis.PixelsToPlot(plot.SelectStart.y);
const double p2 = y_axis.PixelsToPlot(IO.MousePos.y);
y_axis.SetMin(ImMin(p1, p2));
y_axis.SetMax(ImMax(p1, p2));
changed = true;
}
}
if (x_can_change || y_can_change || (ImHasFlag(IO.KeyMods,gp.InputMap.SelectHorzMod) && ImHasFlag(IO.KeyMods,gp.InputMap.SelectVertMod)))
gp.OpenContextThisFrame = false;
plot.Selected = plot.Selecting = false;
}
// cancel
else if (IO.MouseReleased[gp.InputMap.SelectCancel]) {
plot.Selected = plot.Selecting = false;
gp.OpenContextThisFrame = false;
}
else if (ImLengthSqr(d) > BOX_SELECT_DRAG_THRESHOLD) {
// bad selection
if (plot.IsInputLocked()) {
ImGui::SetMouseCursor(ImGuiMouseCursor_NotAllowed);
gp.OpenContextThisFrame = false;
plot.Selected = false;
}
else {
// TODO: Handle only min or max locked cases
const bool full_width = ImHasFlag(IO.KeyMods, gp.InputMap.SelectHorzMod) || AllAxesInputLocked(&plot.Axes[ImAxis_X1], IMPLOT_NUM_X_AXES);
const bool full_height = ImHasFlag(IO.KeyMods, gp.InputMap.SelectVertMod) || AllAxesInputLocked(&plot.Axes[ImAxis_Y1], IMPLOT_NUM_Y_AXES);
plot.SelectRect.Min.x = full_width ? plot.PlotRect.Min.x : ImMin(plot.SelectStart.x, IO.MousePos.x);
plot.SelectRect.Max.x = full_width ? plot.PlotRect.Max.x : ImMax(plot.SelectStart.x, IO.MousePos.x);
plot.SelectRect.Min.y = full_height ? plot.PlotRect.Min.y : ImMin(plot.SelectStart.y, IO.MousePos.y);
plot.SelectRect.Max.y = full_height ? plot.PlotRect.Max.y : ImMax(plot.SelectStart.y, IO.MousePos.y);
plot.SelectRect.Min -= plot.PlotRect.Min;
plot.SelectRect.Max -= plot.PlotRect.Min;
plot.Selected = true;
}
}
else {
plot.Selected = false;
}
}
return changed;
}
//-----------------------------------------------------------------------------
// Next Plot Data (Legacy)
//-----------------------------------------------------------------------------
void ApplyNextPlotData(ImAxis idx) {
ImPlotContext& gp = *GImPlot;
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ImPlotPlot& plot = *gp.CurrentPlot;
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ImPlotAxis& axis = plot.Axes[idx];
if (!axis.Enabled)
return;
double* npd_lmin = gp.NextPlotData.LinkedMin[idx];
double* npd_lmax = gp.NextPlotData.LinkedMax[idx];
bool npd_rngh = gp.NextPlotData.HasRange[idx];
ImPlotCond npd_rngc = gp.NextPlotData.RangeCond[idx];
ImPlotRange npd_rngv = gp.NextPlotData.Range[idx];
axis.LinkedMin = npd_lmin;
axis.LinkedMax = npd_lmax;
axis.PullLinks();
if (npd_rngh) {
if (!plot.Initialized || npd_rngc == ImPlotCond_Always)
axis.SetRange(npd_rngv);
}
axis.HasRange = npd_rngh;
axis.RangeCond = npd_rngc;
}
//-----------------------------------------------------------------------------
// Setup
//-----------------------------------------------------------------------------
void SetupAxis(ImAxis idx, const char* label, ImPlotAxisFlags flags) {
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ImPlotContext& gp = *GImPlot;
IM_ASSERT_USER_ERROR(gp.CurrentPlot != nullptr && !gp.CurrentPlot->SetupLocked,
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"Setup needs to be called after BeginPlot and before any setup locking functions (e.g. PlotX)!");
// get plot and axis
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ImPlotPlot& plot = *gp.CurrentPlot;
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ImPlotAxis& axis = plot.Axes[idx];
// set ID
axis.ID = plot.ID + idx + 1;
// check and set flags
if (plot.JustCreated || flags != axis.PreviousFlags)
axis.Flags = flags;
axis.PreviousFlags = flags;
// enable axis
axis.Enabled = true;
// set label
plot.SetAxisLabel(axis,label);
// cache colors
UpdateAxisColors(axis);
}
void SetupAxisLimits(ImAxis idx, double min_lim, double max_lim, ImPlotCond cond) {
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ImPlotContext& gp = *GImPlot;
IM_ASSERT_USER_ERROR(gp.CurrentPlot != nullptr && !gp.CurrentPlot->SetupLocked,
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"Setup needs to be called after BeginPlot and before any setup locking functions (e.g. PlotX)!"); // get plot and axis
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ImPlotPlot& plot = *gp.CurrentPlot;
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ImPlotAxis& axis = plot.Axes[idx];
IM_ASSERT_USER_ERROR(axis.Enabled, "Axis is not enabled! Did you forget to call SetupAxis()?");
if (!plot.Initialized || cond == ImPlotCond_Always)
axis.SetRange(min_lim, max_lim);
axis.HasRange = true;
axis.RangeCond = cond;
}
void SetupAxisFormat(ImAxis idx, const char* fmt) {
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ImPlotContext& gp = *GImPlot;
IM_ASSERT_USER_ERROR(gp.CurrentPlot != nullptr && !gp.CurrentPlot->SetupLocked,
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"Setup needs to be called after BeginPlot and before any setup locking functions (e.g. PlotX)!");
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ImPlotPlot& plot = *gp.CurrentPlot;
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ImPlotAxis& axis = plot.Axes[idx];
IM_ASSERT_USER_ERROR(axis.Enabled, "Axis is not enabled! Did you forget to call SetupAxis()?");
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axis.HasFormatSpec = fmt != nullptr;
if (fmt != nullptr)
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ImStrncpy(axis.FormatSpec,fmt,sizeof(axis.FormatSpec));
}
void SetupAxisLinks(ImAxis idx, double* min_lnk, double* max_lnk) {
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ImPlotContext& gp = *GImPlot;
IM_ASSERT_USER_ERROR(gp.CurrentPlot != nullptr && !gp.CurrentPlot->SetupLocked,
Initial Commit
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"Setup needs to be called after BeginPlot and before any setup locking functions (e.g. PlotX)!");
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ImPlotPlot& plot = *gp.CurrentPlot;
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ImPlotAxis& axis = plot.Axes[idx];
IM_ASSERT_USER_ERROR(axis.Enabled, "Axis is not enabled! Did you forget to call SetupAxis()?");
axis.LinkedMin = min_lnk;
axis.LinkedMax = max_lnk;
axis.PullLinks();
}
void SetupAxisFormat(ImAxis idx, ImPlotFormatter formatter, void* data) {
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ImPlotContext& gp = *GImPlot;
IM_ASSERT_USER_ERROR(gp.CurrentPlot != nullptr && !gp.CurrentPlot->SetupLocked,
Initial Commit
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"Setup needs to be called after BeginPlot and before any setup locking functions (e.g. PlotX)!");
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ImPlotPlot& plot = *gp.CurrentPlot;
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ImPlotAxis& axis = plot.Axes[idx];
IM_ASSERT_USER_ERROR(axis.Enabled, "Axis is not enabled! Did you forget to call SetupAxis()?");
axis.Formatter = formatter;
axis.FormatterData = data;
}
void SetupAxisTicks(ImAxis idx, const double* values, int n_ticks, const char* const labels[], bool show_default) {
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ImPlotContext& gp = *GImPlot;
IM_ASSERT_USER_ERROR(gp.CurrentPlot != nullptr && !gp.CurrentPlot->SetupLocked,
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"Setup needs to be called after BeginPlot and before any setup locking functions (e.g. PlotX)!");
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ImPlotPlot& plot = *gp.CurrentPlot;
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ImPlotAxis& axis = plot.Axes[idx];
IM_ASSERT_USER_ERROR(axis.Enabled, "Axis is not enabled! Did you forget to call SetupAxis()?");
axis.ShowDefaultTicks = show_default;
AddTicksCustom(values,
labels,
n_ticks,
axis.Ticker,
axis.Formatter ? axis.Formatter : Formatter_Default,
(axis.Formatter && axis.FormatterData) ? axis.FormatterData : axis.HasFormatSpec ? axis.FormatSpec : (void*)IMPLOT_LABEL_FORMAT);
}
void SetupAxisTicks(ImAxis idx, double v_min, double v_max, int n_ticks, const char* const labels[], bool show_default) {
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ImPlotContext& gp = *GImPlot;
IM_ASSERT_USER_ERROR(gp.CurrentPlot != nullptr && !gp.CurrentPlot->SetupLocked,
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"Setup needs to be called after BeginPlot and before any setup locking functions (e.g. PlotX)!");
n_ticks = n_ticks < 2 ? 2 : n_ticks;
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FillRange(gp.TempDouble1, n_ticks, v_min, v_max);
SetupAxisTicks(idx, gp.TempDouble1.Data, n_ticks, labels, show_default);
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}
void SetupAxisScale(ImAxis idx, ImPlotScale scale) {
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ImPlotContext& gp = *GImPlot;
IM_ASSERT_USER_ERROR(gp.CurrentPlot != nullptr && !gp.CurrentPlot->SetupLocked,
Initial Commit
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"Setup needs to be called after BeginPlot and before any setup locking functions (e.g. PlotX)!");
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ImPlotPlot& plot = *gp.CurrentPlot;
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ImPlotAxis& axis = plot.Axes[idx];
IM_ASSERT_USER_ERROR(axis.Enabled, "Axis is not enabled! Did you forget to call SetupAxis()?");
axis.Scale = scale;
switch (scale)
{
case ImPlotScale_Time:
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axis.TransformForward = nullptr;
axis.TransformInverse = nullptr;
axis.TransformData = nullptr;
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axis.Locator = Locator_Time;
axis.ConstraintRange = ImPlotRange(IMPLOT_MIN_TIME, IMPLOT_MAX_TIME);
axis.Ticker.Levels = 2;
break;
case ImPlotScale_Log10:
axis.TransformForward = TransformForward_Log10;
axis.TransformInverse = TransformInverse_Log10;
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axis.TransformData = nullptr;
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axis.Locator = Locator_Log10;
axis.ConstraintRange = ImPlotRange(DBL_MIN, INFINITY);
break;
case ImPlotScale_SymLog:
axis.TransformForward = TransformForward_SymLog;
axis.TransformInverse = TransformInverse_SymLog;
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axis.TransformData = nullptr;
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axis.Locator = Locator_SymLog;
axis.ConstraintRange = ImPlotRange(-INFINITY, INFINITY);
break;
default:
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axis.TransformForward = nullptr;
axis.TransformInverse = nullptr;
axis.TransformData = nullptr;
axis.Locator = nullptr;
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axis.ConstraintRange = ImPlotRange(-INFINITY, INFINITY);
break;
}
}
void SetupAxisScale(ImAxis idx, ImPlotTransform fwd, ImPlotTransform inv, void* data) {
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ImPlotContext& gp = *GImPlot;
IM_ASSERT_USER_ERROR(gp.CurrentPlot != nullptr && !gp.CurrentPlot->SetupLocked,
Initial Commit
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"Setup needs to be called after BeginPlot and before any setup locking functions (e.g. PlotX)!");
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ImPlotPlot& plot = *gp.CurrentPlot;
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ImPlotAxis& axis = plot.Axes[idx];
IM_ASSERT_USER_ERROR(axis.Enabled, "Axis is not enabled! Did you forget to call SetupAxis()?");
axis.Scale = IMPLOT_AUTO;
axis.TransformForward = fwd;
axis.TransformInverse = inv;
axis.TransformData = data;
}
void SetupAxisLimitsConstraints(ImAxis idx, double v_min, double v_max) {
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ImPlotContext& gp = *GImPlot;
IM_ASSERT_USER_ERROR(gp.CurrentPlot != nullptr && !gp.CurrentPlot->SetupLocked,
Initial Commit
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"Setup needs to be called after BeginPlot and before any setup locking functions (e.g. PlotX)!");
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ImPlotPlot& plot = *gp.CurrentPlot;
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ImPlotAxis& axis = plot.Axes[idx];
IM_ASSERT_USER_ERROR(axis.Enabled, "Axis is not enabled! Did you forget to call SetupAxis()?");
axis.ConstraintRange.Min = v_min;
axis.ConstraintRange.Max = v_max;
}
void SetupAxisZoomConstraints(ImAxis idx, double z_min, double z_max) {
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ImPlotContext& gp = *GImPlot;
IM_ASSERT_USER_ERROR(gp.CurrentPlot != nullptr && !gp.CurrentPlot->SetupLocked,
Initial Commit
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"Setup needs to be called after BeginPlot and before any setup locking functions (e.g. PlotX)!");
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ImPlotPlot& plot = *gp.CurrentPlot;
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ImPlotAxis& axis = plot.Axes[idx];
IM_ASSERT_USER_ERROR(axis.Enabled, "Axis is not enabled! Did you forget to call SetupAxis()?");
axis.ConstraintZoom.Min = z_min;
axis.ConstraintZoom.Max = z_max;
}
void SetupAxes(const char* x_label, const char* y_label, ImPlotAxisFlags x_flags, ImPlotAxisFlags y_flags) {
SetupAxis(ImAxis_X1, x_label, x_flags);
SetupAxis(ImAxis_Y1, y_label, y_flags);
}
void SetupAxesLimits(double x_min, double x_max, double y_min, double y_max, ImPlotCond cond) {
SetupAxisLimits(ImAxis_X1, x_min, x_max, cond);
SetupAxisLimits(ImAxis_Y1, y_min, y_max, cond);
}
void SetupLegend(ImPlotLocation location, ImPlotLegendFlags flags) {
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ImPlotContext& gp = *GImPlot;
IM_ASSERT_USER_ERROR(gp.CurrentPlot != nullptr && !gp.CurrentPlot->SetupLocked,
Initial Commit
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"Setup needs to be called after BeginPlot and before any setup locking functions (e.g. PlotX)!");
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IM_ASSERT_USER_ERROR(gp.CurrentItems != nullptr,
Initial Commit
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"SetupLegend() needs to be called within an itemized context!");
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ImPlotLegend& legend = gp.CurrentItems->Legend;
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// check and set location
if (location != legend.PreviousLocation)
legend.Location = location;
legend.PreviousLocation = location;
// check and set flags
if (flags != legend.PreviousFlags)
legend.Flags = flags;
legend.PreviousFlags = flags;
}
void SetupMouseText(ImPlotLocation location, ImPlotMouseTextFlags flags) {
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ImPlotContext& gp = *GImPlot;
IM_ASSERT_USER_ERROR(gp.CurrentPlot != nullptr && !gp.CurrentPlot->SetupLocked,
Initial Commit
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"Setup needs to be called after BeginPlot and before any setup locking functions (e.g. PlotX)!");
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gp.CurrentPlot->MouseTextLocation = location;
gp.CurrentPlot->MouseTextFlags = flags;
Initial Commit
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}
//-----------------------------------------------------------------------------
// SetNext
//-----------------------------------------------------------------------------
void SetNextAxisLimits(ImAxis axis, double v_min, double v_max, ImPlotCond cond) {
ImPlotContext& gp = *GImPlot;
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IM_ASSERT_USER_ERROR(gp.CurrentPlot == nullptr, "SetNextAxisLimits() needs to be called before BeginPlot()!");
Initial Commit
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IM_ASSERT(cond == 0 || ImIsPowerOfTwo(cond)); // Make sure the user doesn't attempt to combine multiple condition flags.
gp.NextPlotData.HasRange[axis] = true;
gp.NextPlotData.RangeCond[axis] = cond;
gp.NextPlotData.Range[axis].Min = v_min;
gp.NextPlotData.Range[axis].Max = v_max;
}
void SetNextAxisLinks(ImAxis axis, double* link_min, double* link_max) {
ImPlotContext& gp = *GImPlot;
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IM_ASSERT_USER_ERROR(gp.CurrentPlot == nullptr, "SetNextAxisLinks() needs to be called before BeginPlot()!");
Initial Commit
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gp.NextPlotData.LinkedMin[axis] = link_min;
gp.NextPlotData.LinkedMax[axis] = link_max;
}
void SetNextAxisToFit(ImAxis axis) {
ImPlotContext& gp = *GImPlot;
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IM_ASSERT_USER_ERROR(gp.CurrentPlot == nullptr, "SetNextAxisToFit() needs to be called before BeginPlot()!");
Initial Commit
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gp.NextPlotData.Fit[axis] = true;
}
void SetNextAxesLimits(double x_min, double x_max, double y_min, double y_max, ImPlotCond cond) {
SetNextAxisLimits(ImAxis_X1, x_min, x_max, cond);
SetNextAxisLimits(ImAxis_Y1, y_min, y_max, cond);
}
void SetNextAxesToFit() {
for (int i = 0; i < ImAxis_COUNT; ++i)
SetNextAxisToFit(i);
}
//-----------------------------------------------------------------------------
// BeginPlot
//-----------------------------------------------------------------------------
bool BeginPlot(const char* title_id, const ImVec2& size, ImPlotFlags flags) {
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IM_ASSERT_USER_ERROR(GImPlot != nullptr, "No current context. Did you call ImPlot::CreateContext() or ImPlot::SetCurrentContext()?");
ImPlotContext& gp = *GImPlot;
IM_ASSERT_USER_ERROR(gp.CurrentPlot == nullptr, "Mismatched BeginPlot()/EndPlot()!");
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// FRONT MATTER -----------------------------------------------------------
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if (gp.CurrentSubplot != nullptr)
ImGui::PushID(gp.CurrentSubplot->CurrentIdx);
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// get globals
ImGuiContext &G = *GImGui;
ImGuiWindow* Window = G.CurrentWindow;
// skip if needed
if (Window->SkipItems && !gp.CurrentSubplot) {
ResetCtxForNextPlot(GImPlot);
return false;
}
// ID and age (TODO: keep track of plot age in frames)
const ImGuiID ID = Window->GetID(title_id);
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const bool just_created = gp.Plots.GetByKey(ID) == nullptr;
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gp.CurrentPlot = gp.Plots.GetOrAddByKey(ID);
ImPlotPlot &plot = *gp.CurrentPlot;
plot.ID = ID;
plot.Items.ID = ID - 1;
plot.JustCreated = just_created;
plot.SetupLocked = false;
// check flags
if (plot.JustCreated)
plot.Flags = flags;
else if (flags != plot.PreviousFlags)
plot.Flags = flags;
plot.PreviousFlags = flags;
// setup default axes
if (plot.JustCreated) {
SetupAxis(ImAxis_X1);
SetupAxis(ImAxis_Y1);
}
// reset axes
for (int i = 0; i < ImAxis_COUNT; ++i) {
plot.Axes[i].Reset();
UpdateAxisColors(plot.Axes[i]);
}
// ensure first axes enabled
plot.Axes[ImAxis_X1].Enabled = true;
plot.Axes[ImAxis_Y1].Enabled = true;
// set initial axes
plot.CurrentX = ImAxis_X1;
plot.CurrentY = ImAxis_Y1;
// process next plot data (legacy)
for (int i = 0; i < ImAxis_COUNT; ++i)
ApplyNextPlotData(i);
// capture scroll with a child region
if (!ImHasFlag(plot.Flags, ImPlotFlags_NoChild)) {
ImVec2 child_size;
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if (gp.CurrentSubplot != nullptr)
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child_size = gp.CurrentSubplot->CellSize;
else
child_size = ImVec2(size.x == 0 ? gp.Style.PlotDefaultSize.x : size.x, size.y == 0 ? gp.Style.PlotDefaultSize.y : size.y);
ImGui::BeginChild(title_id, child_size, false, ImGuiWindowFlags_NoScrollbar);
Window = ImGui::GetCurrentWindow();
Window->ScrollMax.y = 1.0f;
gp.ChildWindowMade = true;
}
else {
gp.ChildWindowMade = false;
}
// clear text buffers
plot.ClearTextBuffer();
plot.SetTitle(title_id);
// set frame size
ImVec2 frame_size;
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if (gp.CurrentSubplot != nullptr)
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frame_size = gp.CurrentSubplot->CellSize;
else
frame_size = ImGui::CalcItemSize(size, gp.Style.PlotDefaultSize.x, gp.Style.PlotDefaultSize.y);
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if (frame_size.x < gp.Style.PlotMinSize.x && (size.x < 0.0f || gp.CurrentSubplot != nullptr))
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frame_size.x = gp.Style.PlotMinSize.x;
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if (frame_size.y < gp.Style.PlotMinSize.y && (size.y < 0.0f || gp.CurrentSubplot != nullptr))
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frame_size.y = gp.Style.PlotMinSize.y;
plot.FrameRect = ImRect(Window->DC.CursorPos, Window->DC.CursorPos + frame_size);
ImGui::ItemSize(plot.FrameRect);
if (!ImGui::ItemAdd(plot.FrameRect, plot.ID, &plot.FrameRect) && !gp.CurrentSubplot) {
ResetCtxForNextPlot(GImPlot);
return false;
}
// setup items (or dont)
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if (gp.CurrentItems == nullptr)
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gp.CurrentItems = &plot.Items;
return true;
}
//-----------------------------------------------------------------------------
// SetupFinish
//-----------------------------------------------------------------------------
void SetupFinish() {
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IM_ASSERT_USER_ERROR(GImPlot != nullptr, "No current context. Did you call ImPlot::CreateContext() or ImPlot::SetCurrentContext()?");
ImPlotContext& gp = *GImPlot;
IM_ASSERT_USER_ERROR(gp.CurrentPlot != nullptr, "SetupFinish needs to be called after BeginPlot!");
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ImGuiContext& G = *GImGui;
ImDrawList& DrawList = *G.CurrentWindow->DrawList;
const ImGuiStyle& Style = G.Style;
ImPlotPlot &plot = *gp.CurrentPlot;
// lock setup
plot.SetupLocked = true;
// finalize axes and set default formatter/locator
for (int i = 0; i < ImAxis_COUNT; ++i) {
ImPlotAxis& axis = plot.Axes[i];
if (axis.Enabled) {
axis.Constrain();
if (!plot.Initialized && axis.CanInitFit())
plot.FitThisFrame = axis.FitThisFrame = true;
}
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if (axis.Formatter == nullptr) {
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axis.Formatter = Formatter_Default;
if (axis.HasFormatSpec)
axis.FormatterData = axis.FormatSpec;
else
axis.FormatterData = (void*)IMPLOT_LABEL_FORMAT;
}
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if (axis.Locator == nullptr) {
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axis.Locator = Locator_Default;
}
}
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// setup nullptr orthogonal axes
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const bool axis_equal = ImHasFlag(plot.Flags, ImPlotFlags_Equal);
for (int ix = ImAxis_X1, iy = ImAxis_Y1; ix < ImAxis_Y1 || iy < ImAxis_COUNT; ++ix, ++iy) {
ImPlotAxis& x_axis = plot.Axes[ix];
ImPlotAxis& y_axis = plot.Axes[iy];
if (x_axis.Enabled && y_axis.Enabled) {
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if (x_axis.OrthoAxis == nullptr)
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x_axis.OrthoAxis = &y_axis;
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if (y_axis.OrthoAxis == nullptr)
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y_axis.OrthoAxis = &x_axis;
}
else if (x_axis.Enabled)
{
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if (x_axis.OrthoAxis == nullptr && !axis_equal)
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x_axis.OrthoAxis = &plot.Axes[ImAxis_Y1];
}
else if (y_axis.Enabled) {
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if (y_axis.OrthoAxis == nullptr && !axis_equal)
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y_axis.OrthoAxis = &plot.Axes[ImAxis_X1];
}
}
// canvas/axes bb
plot.CanvasRect = ImRect(plot.FrameRect.Min + gp.Style.PlotPadding, plot.FrameRect.Max - gp.Style.PlotPadding);
plot.AxesRect = plot.FrameRect;
// outside legend adjustments
if (!ImHasFlag(plot.Flags, ImPlotFlags_NoLegend) && plot.Items.GetLegendCount() > 0 && ImHasFlag(plot.Items.Legend.Flags, ImPlotLegendFlags_Outside)) {
ImPlotLegend& legend = plot.Items.Legend;
const bool horz = ImHasFlag(legend.Flags, ImPlotLegendFlags_Horizontal);
const ImVec2 legend_size = CalcLegendSize(plot.Items, gp.Style.LegendInnerPadding, gp.Style.LegendSpacing, !horz);
const bool west = ImHasFlag(legend.Location, ImPlotLocation_West) && !ImHasFlag(legend.Location, ImPlotLocation_East);
const bool east = ImHasFlag(legend.Location, ImPlotLocation_East) && !ImHasFlag(legend.Location, ImPlotLocation_West);
const bool north = ImHasFlag(legend.Location, ImPlotLocation_North) && !ImHasFlag(legend.Location, ImPlotLocation_South);
const bool south = ImHasFlag(legend.Location, ImPlotLocation_South) && !ImHasFlag(legend.Location, ImPlotLocation_North);
if ((west && !horz) || (west && horz && !north && !south)) {
plot.CanvasRect.Min.x += (legend_size.x + gp.Style.LegendPadding.x);
plot.AxesRect.Min.x += (legend_size.x + gp.Style.PlotPadding.x);
}
if ((east && !horz) || (east && horz && !north && !south)) {
plot.CanvasRect.Max.x -= (legend_size.x + gp.Style.LegendPadding.x);
plot.AxesRect.Max.x -= (legend_size.x + gp.Style.PlotPadding.x);
}
if ((north && horz) || (north && !horz && !west && !east)) {
plot.CanvasRect.Min.y += (legend_size.y + gp.Style.LegendPadding.y);
plot.AxesRect.Min.y += (legend_size.y + gp.Style.PlotPadding.y);
}
if ((south && horz) || (south && !horz && !west && !east)) {
plot.CanvasRect.Max.y -= (legend_size.y + gp.Style.LegendPadding.y);
plot.AxesRect.Max.y -= (legend_size.y + gp.Style.PlotPadding.y);
}
}
// plot bb
float pad_top = 0, pad_bot = 0, pad_left = 0, pad_right = 0;
// (0) calc top padding form title
ImVec2 title_size(0.0f, 0.0f);
if (plot.HasTitle())
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title_size = ImGui::CalcTextSize(plot.GetTitle(), nullptr, true);
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if (title_size.x > 0) {
pad_top += title_size.y + gp.Style.LabelPadding.y;
plot.AxesRect.Min.y += gp.Style.PlotPadding.y + pad_top;
}
// (1) calc addition top padding and bot padding
PadAndDatumAxesX(plot,pad_top,pad_bot,gp.CurrentAlignmentH);
const float plot_height = plot.CanvasRect.GetHeight() - pad_top - pad_bot;
// (2) get y tick labels (needed for left/right pad)
for (int i = 0; i < IMPLOT_NUM_Y_AXES; i++) {
ImPlotAxis& axis = plot.YAxis(i);
if (axis.WillRender() && axis.ShowDefaultTicks) {
axis.Locator(axis.Ticker, axis.Range, plot_height, true, axis.Formatter, axis.FormatterData);
}
}
// (3) calc left/right pad
PadAndDatumAxesY(plot,pad_left,pad_right,gp.CurrentAlignmentV);
const float plot_width = plot.CanvasRect.GetWidth() - pad_left - pad_right;
// (4) get x ticks
for (int i = 0; i < IMPLOT_NUM_X_AXES; i++) {
ImPlotAxis& axis = plot.XAxis(i);
if (axis.WillRender() && axis.ShowDefaultTicks) {
axis.Locator(axis.Ticker, axis.Range, plot_width, false, axis.Formatter, axis.FormatterData);
}
}
// (5) calc plot bb
plot.PlotRect = ImRect(plot.CanvasRect.Min + ImVec2(pad_left, pad_top), plot.CanvasRect.Max - ImVec2(pad_right, pad_bot));
// HOVER------------------------------------------------------------
// axes hover rect, pixel ranges
for (int i = 0; i < IMPLOT_NUM_X_AXES; ++i) {
ImPlotAxis& xax = plot.XAxis(i);
xax.HoverRect = ImRect(ImVec2(plot.PlotRect.Min.x, ImMin(xax.Datum1,xax.Datum2)),
ImVec2(plot.PlotRect.Max.x, ImMax(xax.Datum1,xax.Datum2)));
xax.PixelMin = xax.IsInverted() ? plot.PlotRect.Max.x : plot.PlotRect.Min.x;
xax.PixelMax = xax.IsInverted() ? plot.PlotRect.Min.x : plot.PlotRect.Max.x;
xax.UpdateTransformCache();
}
for (int i = 0; i < IMPLOT_NUM_Y_AXES; ++i) {
ImPlotAxis& yax = plot.YAxis(i);
yax.HoverRect = ImRect(ImVec2(ImMin(yax.Datum1,yax.Datum2),plot.PlotRect.Min.y),
ImVec2(ImMax(yax.Datum1,yax.Datum2),plot.PlotRect.Max.y));
yax.PixelMin = yax.IsInverted() ? plot.PlotRect.Min.y : plot.PlotRect.Max.y;
yax.PixelMax = yax.IsInverted() ? plot.PlotRect.Max.y : plot.PlotRect.Min.y;
yax.UpdateTransformCache();
}
// Equal axis constraint. Must happen after we set Pixels
// constrain equal axes for primary x and y if not approximately equal
// constrains x to y since x pixel size depends on y labels width, and causes feedback loops in opposite case
if (axis_equal) {
for (int i = 0; i < IMPLOT_NUM_X_AXES; ++i) {
ImPlotAxis& x_axis = plot.XAxis(i);
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if (x_axis.OrthoAxis == nullptr)
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continue;
double xar = x_axis.GetAspect();
double yar = x_axis.OrthoAxis->GetAspect();
// edge case: user has set x range this frame, so fit y to x so that we honor their request for x range
// NB: because of feedback across several frames, the user's x request may not be perfectly honored
if (x_axis.HasRange)
x_axis.OrthoAxis->SetAspect(xar);
else if (!ImAlmostEqual(xar,yar) && !x_axis.OrthoAxis->IsInputLocked())
x_axis.SetAspect(yar);
}
}
// INPUT ------------------------------------------------------------------
if (!ImHasFlag(plot.Flags, ImPlotFlags_NoInputs))
UpdateInput(plot);
// fit from FitNextPlotAxes or auto fit
for (int i = 0; i < ImAxis_COUNT; ++i) {
if (gp.NextPlotData.Fit[i] || plot.Axes[i].IsAutoFitting()) {
plot.FitThisFrame = true;
plot.Axes[i].FitThisFrame = true;
}
}
// RENDER -----------------------------------------------------------------
const float txt_height = ImGui::GetTextLineHeight();
// render frame
if (!ImHasFlag(plot.Flags, ImPlotFlags_NoFrame))
ImGui::RenderFrame(plot.FrameRect.Min, plot.FrameRect.Max, GetStyleColorU32(ImPlotCol_FrameBg), true, Style.FrameRounding);
// grid bg
DrawList.AddRectFilled(plot.PlotRect.Min, plot.PlotRect.Max, GetStyleColorU32(ImPlotCol_PlotBg));
// transform ticks
for (int i = 0; i < ImAxis_COUNT; i++) {
ImPlotAxis& axis = plot.Axes[i];
if (axis.WillRender()) {
for (int t = 0; t < axis.Ticker.TickCount(); t++) {
ImPlotTick& tk = axis.Ticker.Ticks[t];
tk.PixelPos = IM_ROUND(axis.PlotToPixels(tk.PlotPos));
}
}
}
// render grid (background)
for (int i = 0; i < IMPLOT_NUM_X_AXES; i++) {
ImPlotAxis& x_axis = plot.XAxis(i);
if (x_axis.Enabled && x_axis.HasGridLines() && !x_axis.IsForeground())
RenderGridLinesX(DrawList, x_axis.Ticker, plot.PlotRect, x_axis.ColorMaj, x_axis.ColorMin, gp.Style.MajorGridSize.x, gp.Style.MinorGridSize.x);
}
for (int i = 0; i < IMPLOT_NUM_Y_AXES; i++) {
ImPlotAxis& y_axis = plot.YAxis(i);
if (y_axis.Enabled && y_axis.HasGridLines() && !y_axis.IsForeground())
RenderGridLinesY(DrawList, y_axis.Ticker, plot.PlotRect, y_axis.ColorMaj, y_axis.ColorMin, gp.Style.MajorGridSize.y, gp.Style.MinorGridSize.y);
}
// render x axis button, label, tick labels
for (int i = 0; i < IMPLOT_NUM_X_AXES; i++) {
ImPlotAxis& ax = plot.XAxis(i);
if (!ax.Enabled)
continue;
if ((ax.Hovered || ax.Held) && !plot.Held && !ImHasFlag(ax.Flags, ImPlotAxisFlags_NoHighlight))
DrawList.AddRectFilled(ax.HoverRect.Min, ax.HoverRect.Max, ax.Held ? ax.ColorAct : ax.ColorHov);
else if (ax.ColorHiLi != IM_COL32_BLACK_TRANS) {
DrawList.AddRectFilled(ax.HoverRect.Min, ax.HoverRect.Max, ax.ColorHiLi);
ax.ColorHiLi = IM_COL32_BLACK_TRANS;
}
else if (ax.ColorBg != IM_COL32_BLACK_TRANS) {
DrawList.AddRectFilled(ax.HoverRect.Min, ax.HoverRect.Max, ax.ColorBg);
}
const ImPlotTicker& tkr = ax.Ticker;
const bool opp = ax.IsOpposite();
if (ax.HasLabel()) {
const char* label = plot.GetAxisLabel(ax);
const ImVec2 label_size = ImGui::CalcTextSize(label);
const float label_offset = (ax.HasTickLabels() ? tkr.MaxSize.y + gp.Style.LabelPadding.y : 0.0f)
+ (tkr.Levels - 1) * (txt_height + gp.Style.LabelPadding.y)
+ gp.Style.LabelPadding.y;
const ImVec2 label_pos(plot.PlotRect.GetCenter().x - label_size.x * 0.5f,
opp ? ax.Datum1 - label_offset - label_size.y : ax.Datum1 + label_offset);
DrawList.AddText(label_pos, ax.ColorTxt, label);
}
if (ax.HasTickLabels()) {
for (int j = 0; j < tkr.TickCount(); ++j) {
const ImPlotTick& tk = tkr.Ticks[j];
const float datum = ax.Datum1 + (opp ? (-gp.Style.LabelPadding.y -txt_height -tk.Level * (txt_height + gp.Style.LabelPadding.y))
: gp.Style.LabelPadding.y + tk.Level * (txt_height + gp.Style.LabelPadding.y));
if (tk.ShowLabel && tk.PixelPos >= plot.PlotRect.Min.x - 1 && tk.PixelPos <= plot.PlotRect.Max.x + 1) {
ImVec2 start(tk.PixelPos - 0.5f * tk.LabelSize.x, datum);
DrawList.AddText(start, ax.ColorTxt, tkr.GetText(j));
}
}
}
}
// render y axis button, label, tick labels
for (int i = 0; i < IMPLOT_NUM_Y_AXES; i++) {
ImPlotAxis& ax = plot.YAxis(i);
if (!ax.Enabled)
continue;
if ((ax.Hovered || ax.Held) && !plot.Held && !ImHasFlag(ax.Flags, ImPlotAxisFlags_NoHighlight))
DrawList.AddRectFilled(ax.HoverRect.Min, ax.HoverRect.Max, ax.Held ? ax.ColorAct : ax.ColorHov);
else if (ax.ColorHiLi != IM_COL32_BLACK_TRANS) {
DrawList.AddRectFilled(ax.HoverRect.Min, ax.HoverRect.Max, ax.ColorHiLi);
ax.ColorHiLi = IM_COL32_BLACK_TRANS;
}
else if (ax.ColorBg != IM_COL32_BLACK_TRANS) {
DrawList.AddRectFilled(ax.HoverRect.Min, ax.HoverRect.Max, ax.ColorBg);
}
const ImPlotTicker& tkr = ax.Ticker;
const bool opp = ax.IsOpposite();
if (ax.HasLabel()) {
const char* label = plot.GetAxisLabel(ax);
const ImVec2 label_size = CalcTextSizeVertical(label);
const float label_offset = (ax.HasTickLabels() ? tkr.MaxSize.x + gp.Style.LabelPadding.x : 0.0f)
+ gp.Style.LabelPadding.x;
const ImVec2 label_pos(opp ? ax.Datum1 + label_offset : ax.Datum1 - label_offset - label_size.x,
plot.PlotRect.GetCenter().y + label_size.y * 0.5f);
AddTextVertical(&DrawList, label_pos, ax.ColorTxt, label);
}
if (ax.HasTickLabels()) {
for (int j = 0; j < tkr.TickCount(); ++j) {
const ImPlotTick& tk = tkr.Ticks[j];
const float datum = ax.Datum1 + (opp ? gp.Style.LabelPadding.x : (-gp.Style.LabelPadding.x - tk.LabelSize.x));
if (tk.ShowLabel && tk.PixelPos >= plot.PlotRect.Min.y - 1 && tk.PixelPos <= plot.PlotRect.Max.y + 1) {
ImVec2 start(datum, tk.PixelPos - 0.5f * tk.LabelSize.y);
DrawList.AddText(start, ax.ColorTxt, tkr.GetText(j));
}
}
}
}
// clear legend (TODO: put elsewhere)
plot.Items.Legend.Reset();
// push ID to set item hashes (NB: !!!THIS PROBABLY NEEDS TO BE IN BEGIN PLOT!!!!)
ImGui::PushOverrideID(gp.CurrentItems->ID);
}
//-----------------------------------------------------------------------------
// EndPlot()
//-----------------------------------------------------------------------------
void EndPlot() {
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IM_ASSERT_USER_ERROR(GImPlot != nullptr, "No current context. Did you call ImPlot::CreateContext() or ImPlot::SetCurrentContext()?");
ImPlotContext& gp = *GImPlot;
IM_ASSERT_USER_ERROR(gp.CurrentPlot != nullptr, "Mismatched BeginPlot()/EndPlot()!");
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SetupLock();
ImGuiContext &G = *GImGui;
ImPlotPlot &plot = *gp.CurrentPlot;
ImGuiWindow * Window = G.CurrentWindow;
ImDrawList & DrawList = *Window->DrawList;
const ImGuiIO & IO = ImGui::GetIO();
// FINAL RENDER -----------------------------------------------------------
const bool render_border = gp.Style.PlotBorderSize > 0 && gp.Style.Colors[ImPlotCol_PlotBorder].w > 0;
const bool any_x_held = plot.Held || AnyAxesHeld(&plot.Axes[ImAxis_X1], IMPLOT_NUM_X_AXES);
const bool any_y_held = plot.Held || AnyAxesHeld(&plot.Axes[ImAxis_Y1], IMPLOT_NUM_Y_AXES);
ImGui::PushClipRect(plot.FrameRect.Min, plot.FrameRect.Max, true);
// render grid (foreground)
for (int i = 0; i < IMPLOT_NUM_X_AXES; i++) {
ImPlotAxis& x_axis = plot.XAxis(i);
if (x_axis.Enabled && x_axis.HasGridLines() && x_axis.IsForeground())
RenderGridLinesX(DrawList, x_axis.Ticker, plot.PlotRect, x_axis.ColorMaj, x_axis.ColorMin, gp.Style.MajorGridSize.x, gp.Style.MinorGridSize.x);
}
for (int i = 0; i < IMPLOT_NUM_Y_AXES; i++) {
ImPlotAxis& y_axis = plot.YAxis(i);
if (y_axis.Enabled && y_axis.HasGridLines() && y_axis.IsForeground())
RenderGridLinesY(DrawList, y_axis.Ticker, plot.PlotRect, y_axis.ColorMaj, y_axis.ColorMin, gp.Style.MajorGridSize.y, gp.Style.MinorGridSize.y);
}
// render title
if (plot.HasTitle()) {
ImU32 col = GetStyleColorU32(ImPlotCol_TitleText);
AddTextCentered(&DrawList,ImVec2(plot.PlotRect.GetCenter().x, plot.CanvasRect.Min.y),col,plot.GetTitle());
}
// render x ticks
int count_B = 0, count_T = 0;
for (int i = 0; i < IMPLOT_NUM_X_AXES; i++) {
const ImPlotAxis& ax = plot.XAxis(i);
if (!ax.Enabled)
continue;
const ImPlotTicker& tkr = ax.Ticker;
const bool opp = ax.IsOpposite();
const bool aux = ((opp && count_T > 0)||(!opp && count_B > 0));
if (ax.HasTickMarks()) {
const float direction = opp ? 1.0f : -1.0f;
for (int j = 0; j < tkr.TickCount(); ++j) {
const ImPlotTick& tk = tkr.Ticks[j];
if (tk.Level != 0 || tk.PixelPos < plot.PlotRect.Min.x || tk.PixelPos > plot.PlotRect.Max.x)
continue;
const ImVec2 start(tk.PixelPos, ax.Datum1);
const float len = (!aux && tk.Major) ? gp.Style.MajorTickLen.x : gp.Style.MinorTickLen.x;
const float thk = (!aux && tk.Major) ? gp.Style.MajorTickSize.x : gp.Style.MinorTickSize.x;
DrawList.AddLine(start, start + ImVec2(0,direction*len), ax.ColorTick, thk);
}
if (aux || !render_border)
DrawList.AddLine(ImVec2(plot.PlotRect.Min.x,ax.Datum1), ImVec2(plot.PlotRect.Max.x,ax.Datum1), ax.ColorTick, gp.Style.MinorTickSize.x);
}
count_B += !opp;
count_T += opp;
}
// render y ticks
int count_L = 0, count_R = 0;
for (int i = 0; i < IMPLOT_NUM_Y_AXES; i++) {
const ImPlotAxis& ax = plot.YAxis(i);
if (!ax.Enabled)
continue;
const ImPlotTicker& tkr = ax.Ticker;
const bool opp = ax.IsOpposite();
const bool aux = ((opp && count_R > 0)||(!opp && count_L > 0));
if (ax.HasTickMarks()) {
const float direction = opp ? -1.0f : 1.0f;
for (int j = 0; j < tkr.TickCount(); ++j) {
const ImPlotTick& tk = tkr.Ticks[j];
if (tk.Level != 0 || tk.PixelPos < plot.PlotRect.Min.y || tk.PixelPos > plot.PlotRect.Max.y)
continue;
const ImVec2 start(ax.Datum1, tk.PixelPos);
const float len = (!aux && tk.Major) ? gp.Style.MajorTickLen.y : gp.Style.MinorTickLen.y;
const float thk = (!aux && tk.Major) ? gp.Style.MajorTickSize.y : gp.Style.MinorTickSize.y;
DrawList.AddLine(start, start + ImVec2(direction*len,0), ax.ColorTick, thk);
}
if (aux || !render_border)
DrawList.AddLine(ImVec2(ax.Datum1, plot.PlotRect.Min.y), ImVec2(ax.Datum1, plot.PlotRect.Max.y), ax.ColorTick, gp.Style.MinorTickSize.y);
}
count_L += !opp;
count_R += opp;
}
ImGui::PopClipRect();
// render annotations
PushPlotClipRect();
for (int i = 0; i < gp.Annotations.Size; ++i) {
const char* txt = gp.Annotations.GetText(i);
ImPlotAnnotation& an = gp.Annotations.Annotations[i];
const ImVec2 txt_size = ImGui::CalcTextSize(txt);
const ImVec2 size = txt_size + gp.Style.AnnotationPadding * 2;
ImVec2 pos = an.Pos;
if (an.Offset.x == 0)
pos.x -= size.x / 2;
else if (an.Offset.x > 0)
pos.x += an.Offset.x;
else
pos.x -= size.x - an.Offset.x;
if (an.Offset.y == 0)
pos.y -= size.y / 2;
else if (an.Offset.y > 0)
pos.y += an.Offset.y;
else
pos.y -= size.y - an.Offset.y;
if (an.Clamp)
pos = ClampLabelPos(pos, size, plot.PlotRect.Min, plot.PlotRect.Max);
ImRect rect(pos,pos+size);
if (an.Offset.x != 0 || an.Offset.y != 0) {
ImVec2 corners[4] = {rect.GetTL(), rect.GetTR(), rect.GetBR(), rect.GetBL()};
int min_corner = 0;
float min_len = FLT_MAX;
for (int c = 0; c < 4; ++c) {
float len = ImLengthSqr(an.Pos - corners[c]);
if (len < min_len) {
min_corner = c;
min_len = len;
}
}
DrawList.AddLine(an.Pos, corners[min_corner], an.ColorBg);
}
DrawList.AddRectFilled(rect.Min, rect.Max, an.ColorBg);
DrawList.AddText(pos + gp.Style.AnnotationPadding, an.ColorFg, txt);
}
// render selection
if (plot.Selected)
RenderSelectionRect(DrawList, plot.SelectRect.Min + plot.PlotRect.Min, plot.SelectRect.Max + plot.PlotRect.Min, GetStyleColorVec4(ImPlotCol_Selection));
// render crosshairs
if (ImHasFlag(plot.Flags, ImPlotFlags_Crosshairs) && plot.Hovered && !(any_x_held || any_y_held) && !plot.Selecting && !plot.Items.Legend.Hovered) {
ImGui::SetMouseCursor(ImGuiMouseCursor_None);
ImVec2 xy = IO.MousePos;
ImVec2 h1(plot.PlotRect.Min.x, xy.y);
ImVec2 h2(xy.x - 5, xy.y);
ImVec2 h3(xy.x + 5, xy.y);
ImVec2 h4(plot.PlotRect.Max.x, xy.y);
ImVec2 v1(xy.x, plot.PlotRect.Min.y);
ImVec2 v2(xy.x, xy.y - 5);
ImVec2 v3(xy.x, xy.y + 5);
ImVec2 v4(xy.x, plot.PlotRect.Max.y);
ImU32 col = GetStyleColorU32(ImPlotCol_Crosshairs);
DrawList.AddLine(h1, h2, col);
DrawList.AddLine(h3, h4, col);
DrawList.AddLine(v1, v2, col);
DrawList.AddLine(v3, v4, col);
}
// render mouse pos
if (!ImHasFlag(plot.Flags, ImPlotFlags_NoMouseText) && (plot.Hovered || ImHasFlag(plot.MouseTextFlags, ImPlotMouseTextFlags_ShowAlways))) {
const bool no_aux = ImHasFlag(plot.MouseTextFlags, ImPlotMouseTextFlags_NoAuxAxes);
const bool no_fmt = ImHasFlag(plot.MouseTextFlags, ImPlotMouseTextFlags_NoFormat);
ImGuiTextBuffer& builder = gp.MousePosStringBuilder;
builder.Buf.shrink(0);
char buff[IMPLOT_LABEL_MAX_SIZE];
const int num_x = no_aux ? 1 : IMPLOT_NUM_X_AXES;
for (int i = 0; i < num_x; ++i) {
ImPlotAxis& x_axis = plot.XAxis(i);
if (!x_axis.Enabled)
continue;
if (i > 0)
builder.append(", (");
double v = x_axis.PixelsToPlot(IO.MousePos.x);
if (no_fmt)
Formatter_Default(v,buff,IMPLOT_LABEL_MAX_SIZE,(void*)IMPLOT_LABEL_FORMAT);
else
LabelAxisValue(x_axis,v,buff,IMPLOT_LABEL_MAX_SIZE,true);
builder.append(buff);
if (i > 0)
builder.append(")");
}
builder.append(", ");
const int num_y = no_aux ? 1 : IMPLOT_NUM_Y_AXES;
for (int i = 0; i < num_y; ++i) {
ImPlotAxis& y_axis = plot.YAxis(i);
if (!y_axis.Enabled)
continue;
if (i > 0)
builder.append(", (");
double v = y_axis.PixelsToPlot(IO.MousePos.y);
if (no_fmt)
Formatter_Default(v,buff,IMPLOT_LABEL_MAX_SIZE,(void*)IMPLOT_LABEL_FORMAT);
else
LabelAxisValue(y_axis,v,buff,IMPLOT_LABEL_MAX_SIZE,true);
builder.append(buff);
if (i > 0)
builder.append(")");
}
if (!builder.empty()) {
const ImVec2 size = ImGui::CalcTextSize(builder.c_str());
const ImVec2 pos = GetLocationPos(plot.PlotRect, size, plot.MouseTextLocation, gp.Style.MousePosPadding);
DrawList.AddText(pos, GetStyleColorU32(ImPlotCol_InlayText), builder.c_str());
}
}
PopPlotClipRect();
// axis side switch
if (!plot.Held) {
ImVec2 mouse_pos = ImGui::GetIO().MousePos;
ImRect trigger_rect = plot.PlotRect;
trigger_rect.Expand(-10);
for (int i = 0; i < IMPLOT_NUM_X_AXES; ++i) {
ImPlotAxis& x_axis = plot.XAxis(i);
if (ImHasFlag(x_axis.Flags, ImPlotAxisFlags_NoSideSwitch))
continue;
if (x_axis.Held && plot.PlotRect.Contains(mouse_pos)) {
const bool opp = ImHasFlag(x_axis.Flags, ImPlotAxisFlags_Opposite);
if (!opp) {
ImRect rect(plot.PlotRect.Min.x - 5, plot.PlotRect.Min.y - 5,
plot.PlotRect.Max.x + 5, plot.PlotRect.Min.y + 5);
if (mouse_pos.y < plot.PlotRect.Max.y - 10)
DrawList.AddRectFilled(rect.Min, rect.Max, x_axis.ColorHov);
if (rect.Contains(mouse_pos))
x_axis.Flags |= ImPlotAxisFlags_Opposite;
}
else {
ImRect rect(plot.PlotRect.Min.x - 5, plot.PlotRect.Max.y - 5,
plot.PlotRect.Max.x + 5, plot.PlotRect.Max.y + 5);
if (mouse_pos.y > plot.PlotRect.Min.y + 10)
DrawList.AddRectFilled(rect.Min, rect.Max, x_axis.ColorHov);
if (rect.Contains(mouse_pos))
x_axis.Flags &= ~ImPlotAxisFlags_Opposite;
}
}
}
for (int i = 0; i < IMPLOT_NUM_Y_AXES; ++i) {
ImPlotAxis& y_axis = plot.YAxis(i);
if (ImHasFlag(y_axis.Flags, ImPlotAxisFlags_NoSideSwitch))
continue;
if (y_axis.Held && plot.PlotRect.Contains(mouse_pos)) {
const bool opp = ImHasFlag(y_axis.Flags, ImPlotAxisFlags_Opposite);
if (!opp) {
ImRect rect(plot.PlotRect.Max.x - 5, plot.PlotRect.Min.y - 5,
plot.PlotRect.Max.x + 5, plot.PlotRect.Max.y + 5);
if (mouse_pos.x > plot.PlotRect.Min.x + 10)
DrawList.AddRectFilled(rect.Min, rect.Max, y_axis.ColorHov);
if (rect.Contains(mouse_pos))
y_axis.Flags |= ImPlotAxisFlags_Opposite;
}
else {
ImRect rect(plot.PlotRect.Min.x - 5, plot.PlotRect.Min.y - 5,
plot.PlotRect.Min.x + 5, plot.PlotRect.Max.y + 5);
if (mouse_pos.x < plot.PlotRect.Max.x - 10)
DrawList.AddRectFilled(rect.Min, rect.Max, y_axis.ColorHov);
if (rect.Contains(mouse_pos))
y_axis.Flags &= ~ImPlotAxisFlags_Opposite;
}
}
}
}
// reset legend hovers
plot.Items.Legend.Hovered = false;
for (int i = 0; i < plot.Items.GetItemCount(); ++i)
plot.Items.GetItemByIndex(i)->LegendHovered = false;
// render legend
if (!ImHasFlag(plot.Flags, ImPlotFlags_NoLegend) && plot.Items.GetLegendCount() > 0) {
ImPlotLegend& legend = plot.Items.Legend;
const bool legend_out = ImHasFlag(legend.Flags, ImPlotLegendFlags_Outside);
const bool legend_horz = ImHasFlag(legend.Flags, ImPlotLegendFlags_Horizontal);
const ImVec2 legend_size = CalcLegendSize(plot.Items, gp.Style.LegendInnerPadding, gp.Style.LegendSpacing, !legend_horz);
const ImVec2 legend_pos = GetLocationPos(legend_out ? plot.FrameRect : plot.PlotRect,
legend_size,
legend.Location,
legend_out ? gp.Style.PlotPadding : gp.Style.LegendPadding);
legend.Rect = ImRect(legend_pos, legend_pos + legend_size);
// test hover
legend.Hovered = ImGui::IsWindowHovered() && legend.Rect.Contains(IO.MousePos);
if (legend_out)
ImGui::PushClipRect(plot.FrameRect.Min, plot.FrameRect.Max, true);
else
PushPlotClipRect();
ImU32 col_bg = GetStyleColorU32(ImPlotCol_LegendBg);
ImU32 col_bd = GetStyleColorU32(ImPlotCol_LegendBorder);
DrawList.AddRectFilled(legend.Rect.Min, legend.Rect.Max, col_bg);
DrawList.AddRect(legend.Rect.Min, legend.Rect.Max, col_bd);
bool legend_contextable = ShowLegendEntries(plot.Items, legend.Rect, legend.Hovered, gp.Style.LegendInnerPadding, gp.Style.LegendSpacing, !legend_horz, DrawList)
&& !ImHasFlag(legend.Flags, ImPlotLegendFlags_NoMenus);
// main ctx menu
if (gp.OpenContextThisFrame && legend_contextable && !ImHasFlag(plot.Flags, ImPlotFlags_NoMenus))
ImGui::OpenPopup("##LegendContext");
ImGui::PopClipRect();
if (ImGui::BeginPopup("##LegendContext")) {
ImGui::Text("Legend"); ImGui::Separator();
if (ShowLegendContextMenu(legend, !ImHasFlag(plot.Flags, ImPlotFlags_NoLegend)))
ImFlipFlag(plot.Flags, ImPlotFlags_NoLegend);
ImGui::EndPopup();
}
}
else {
plot.Items.Legend.Rect = ImRect();
}
// render border
if (render_border)
DrawList.AddRect(plot.PlotRect.Min, plot.PlotRect.Max, GetStyleColorU32(ImPlotCol_PlotBorder), 0, ImDrawFlags_RoundCornersAll, gp.Style.PlotBorderSize);
// render tags
for (int i = 0; i < gp.Tags.Size; ++i) {
ImPlotTag& tag = gp.Tags.Tags[i];
ImPlotAxis& axis = plot.Axes[tag.Axis];
if (!axis.Enabled || !axis.Range.Contains(tag.Value))
continue;
const char* txt = gp.Tags.GetText(i);
ImVec2 text_size = ImGui::CalcTextSize(txt);
ImVec2 size = text_size + gp.Style.AnnotationPadding * 2;
ImVec2 pos;
axis.Ticker.OverrideSizeLate(size);
float pix = IM_ROUND(axis.PlotToPixels(tag.Value));
if (axis.Vertical) {
if (axis.IsOpposite()) {
pos = ImVec2(axis.Datum1 + gp.Style.LabelPadding.x, pix - size.y * 0.5f);
DrawList.AddTriangleFilled(ImVec2(axis.Datum1,pix), pos, pos + ImVec2(0,size.y), tag.ColorBg);
}
else {
pos = ImVec2(axis.Datum1 - size.x - gp.Style.LabelPadding.x, pix - size.y * 0.5f);
DrawList.AddTriangleFilled(pos + ImVec2(size.x,0), ImVec2(axis.Datum1,pix), pos+size, tag.ColorBg);
}
}
else {
if (axis.IsOpposite()) {
pos = ImVec2(pix - size.x * 0.5f, axis.Datum1 - size.y - gp.Style.LabelPadding.y );
DrawList.AddTriangleFilled(pos + ImVec2(0,size.y), pos + size, ImVec2(pix,axis.Datum1), tag.ColorBg);
}
else {
pos = ImVec2(pix - size.x * 0.5f, axis.Datum1 + gp.Style.LabelPadding.y);
DrawList.AddTriangleFilled(pos, ImVec2(pix,axis.Datum1), pos + ImVec2(size.x, 0), tag.ColorBg);
}
}
DrawList.AddRectFilled(pos,pos+size,tag.ColorBg);
DrawList.AddText(pos+gp.Style.AnnotationPadding,tag.ColorFg,txt);
}
// FIT DATA --------------------------------------------------------------
const bool axis_equal = ImHasFlag(plot.Flags, ImPlotFlags_Equal);
if (plot.FitThisFrame) {
for (int i = 0; i < IMPLOT_NUM_X_AXES; i++) {
ImPlotAxis& x_axis = plot.XAxis(i);
if (x_axis.FitThisFrame) {
x_axis.ApplyFit(gp.Style.FitPadding.x);
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if (axis_equal && x_axis.OrthoAxis != nullptr) {
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double aspect = x_axis.GetAspect();
ImPlotAxis& y_axis = *x_axis.OrthoAxis;
if (y_axis.FitThisFrame) {
y_axis.ApplyFit(gp.Style.FitPadding.y);
y_axis.FitThisFrame = false;
aspect = ImMax(aspect, y_axis.GetAspect());
}
x_axis.SetAspect(aspect);
y_axis.SetAspect(aspect);
}
}
}
for (int i = 0; i < IMPLOT_NUM_Y_AXES; i++) {
ImPlotAxis& y_axis = plot.YAxis(i);
if (y_axis.FitThisFrame) {
y_axis.ApplyFit(gp.Style.FitPadding.y);
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if (axis_equal && y_axis.OrthoAxis != nullptr) {
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double aspect = y_axis.GetAspect();
ImPlotAxis& x_axis = *y_axis.OrthoAxis;
if (x_axis.FitThisFrame) {
x_axis.ApplyFit(gp.Style.FitPadding.x);
x_axis.FitThisFrame = false;
aspect = ImMax(x_axis.GetAspect(), aspect);
}
x_axis.SetAspect(aspect);
y_axis.SetAspect(aspect);
}
}
}
plot.FitThisFrame = false;
}
// CONTEXT MENUS -----------------------------------------------------------
ImGui::PushOverrideID(plot.ID);
const bool can_ctx = gp.OpenContextThisFrame &&
!ImHasFlag(plot.Flags, ImPlotFlags_NoMenus) &&
!plot.Items.Legend.Hovered;
// main ctx menu
if (can_ctx && plot.Hovered)
ImGui::OpenPopup("##PlotContext");
if (ImGui::BeginPopup("##PlotContext")) {
ShowPlotContextMenu(plot);
ImGui::EndPopup();
}
// axes ctx menus
for (int i = 0; i < IMPLOT_NUM_X_AXES; ++i) {
ImGui::PushID(i);
ImPlotAxis& x_axis = plot.XAxis(i);
if (can_ctx && x_axis.Hovered && x_axis.HasMenus())
ImGui::OpenPopup("##XContext");
if (ImGui::BeginPopup("##XContext")) {
ImGui::Text(x_axis.HasLabel() ? plot.GetAxisLabel(x_axis) : i == 0 ? "X-Axis" : "X-Axis %d", i + 1);
ImGui::Separator();
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ShowAxisContextMenu(x_axis, axis_equal ? x_axis.OrthoAxis : nullptr, true);
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ImGui::EndPopup();
}
ImGui::PopID();
}
for (int i = 0; i < IMPLOT_NUM_Y_AXES; ++i) {
ImGui::PushID(i);
ImPlotAxis& y_axis = plot.YAxis(i);
if (can_ctx && y_axis.Hovered && y_axis.HasMenus())
ImGui::OpenPopup("##YContext");
if (ImGui::BeginPopup("##YContext")) {
ImGui::Text(y_axis.HasLabel() ? plot.GetAxisLabel(y_axis) : i == 0 ? "Y-Axis" : "Y-Axis %d", i + 1);
ImGui::Separator();
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ShowAxisContextMenu(y_axis, axis_equal ? y_axis.OrthoAxis : nullptr, false);
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ImGui::EndPopup();
}
ImGui::PopID();
}
ImGui::PopID();
// LINKED AXES ------------------------------------------------------------
for (int i = 0; i < ImAxis_COUNT; ++i)
plot.Axes[i].PushLinks();
// CLEANUP ----------------------------------------------------------------
// remove items
if (gp.CurrentItems == &plot.Items)
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gp.CurrentItems = nullptr;
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// reset the plot items for the next frame
for (int i = 0; i < plot.Items.GetItemCount(); ++i) {
plot.Items.GetItemByIndex(i)->SeenThisFrame = false;
}
// mark the plot as initialized, i.e. having made it through one frame completely
plot.Initialized = true;
// Pop ImGui::PushID at the end of BeginPlot
ImGui::PopID();
// Reset context for next plot
ResetCtxForNextPlot(GImPlot);
// setup next subplot
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if (gp.CurrentSubplot != nullptr) {
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ImGui::PopID();
SubplotNextCell();
}
}
//-----------------------------------------------------------------------------
// BEGIN/END SUBPLOT
//-----------------------------------------------------------------------------
static const float SUBPLOT_BORDER_SIZE = 1.0f;
static const float SUBPLOT_SPLITTER_HALF_THICKNESS = 4.0f;
static const float SUBPLOT_SPLITTER_FEEDBACK_TIMER = 0.06f;
void SubplotSetCell(int row, int col) {
ImPlotContext& gp = *GImPlot;
ImPlotSubplot& subplot = *gp.CurrentSubplot;
if (row >= subplot.Rows || col >= subplot.Cols)
return;
float xoff = 0;
float yoff = 0;
for (int c = 0; c < col; ++c)
xoff += subplot.ColRatios[c];
for (int r = 0; r < row; ++r)
yoff += subplot.RowRatios[r];
const ImVec2 grid_size = subplot.GridRect.GetSize();
ImVec2 cpos = subplot.GridRect.Min + ImVec2(xoff*grid_size.x,yoff*grid_size.y);
cpos.x = IM_ROUND(cpos.x);
cpos.y = IM_ROUND(cpos.y);
ImGui::GetCurrentWindow()->DC.CursorPos = cpos;
// set cell size
subplot.CellSize.x = IM_ROUND(subplot.GridRect.GetWidth() * subplot.ColRatios[col]);
subplot.CellSize.y = IM_ROUND(subplot.GridRect.GetHeight() * subplot.RowRatios[row]);
// setup links
const bool lx = ImHasFlag(subplot.Flags, ImPlotSubplotFlags_LinkAllX);
const bool ly = ImHasFlag(subplot.Flags, ImPlotSubplotFlags_LinkAllY);
const bool lr = ImHasFlag(subplot.Flags, ImPlotSubplotFlags_LinkRows);
const bool lc = ImHasFlag(subplot.Flags, ImPlotSubplotFlags_LinkCols);
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SetNextAxisLinks(ImAxis_X1, lx ? &subplot.ColLinkData[0].Min : lc ? &subplot.ColLinkData[col].Min : nullptr,
lx ? &subplot.ColLinkData[0].Max : lc ? &subplot.ColLinkData[col].Max : nullptr);
SetNextAxisLinks(ImAxis_Y1, ly ? &subplot.RowLinkData[0].Min : lr ? &subplot.RowLinkData[row].Min : nullptr,
ly ? &subplot.RowLinkData[0].Max : lr ? &subplot.RowLinkData[row].Max : nullptr);
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// setup alignment
if (!ImHasFlag(subplot.Flags, ImPlotSubplotFlags_NoAlign)) {
gp.CurrentAlignmentH = &subplot.RowAlignmentData[row];
gp.CurrentAlignmentV = &subplot.ColAlignmentData[col];
}
// set idx
if (ImHasFlag(subplot.Flags, ImPlotSubplotFlags_ColMajor))
subplot.CurrentIdx = col * subplot.Rows + row;
else
subplot.CurrentIdx = row * subplot.Cols + col;
}
void SubplotSetCell(int idx) {
ImPlotContext& gp = *GImPlot;
ImPlotSubplot& subplot = *gp.CurrentSubplot;
if (idx >= subplot.Rows * subplot.Cols)
return;
int row = 0, col = 0;
if (ImHasFlag(subplot.Flags, ImPlotSubplotFlags_ColMajor)) {
row = idx % subplot.Rows;
col = idx / subplot.Rows;
}
else {
row = idx / subplot.Cols;
col = idx % subplot.Cols;
}
return SubplotSetCell(row, col);
}
void SubplotNextCell() {
ImPlotContext& gp = *GImPlot;
ImPlotSubplot& subplot = *gp.CurrentSubplot;
SubplotSetCell(++subplot.CurrentIdx);
}
bool BeginSubplots(const char* title, int rows, int cols, const ImVec2& size, ImPlotSubplotFlags flags, float* row_sizes, float* col_sizes) {
IM_ASSERT_USER_ERROR(rows > 0 && cols > 0, "Invalid sizing arguments!");
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IM_ASSERT_USER_ERROR(GImPlot != nullptr, "No current context. Did you call ImPlot::CreateContext() or ImPlot::SetCurrentContext()?");
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ImPlotContext& gp = *GImPlot;
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IM_ASSERT_USER_ERROR(gp.CurrentSubplot == nullptr, "Mismatched BeginSubplots()/EndSubplots()!");
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ImGuiContext &G = *GImGui;
ImGuiWindow * Window = G.CurrentWindow;
if (Window->SkipItems)
return false;
const ImGuiID ID = Window->GetID(title);
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bool just_created = gp.Subplots.GetByKey(ID) == nullptr;
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gp.CurrentSubplot = gp.Subplots.GetOrAddByKey(ID);
ImPlotSubplot& subplot = *gp.CurrentSubplot;
subplot.ID = ID;
subplot.Items.ID = ID - 1;
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subplot.HasTitle = ImGui::FindRenderedTextEnd(title, nullptr) != title;
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// push ID
ImGui::PushID(ID);
if (just_created)
subplot.Flags = flags;
else if (flags != subplot.PreviousFlags)
subplot.Flags = flags;
subplot.PreviousFlags = flags;
// check for change in rows and cols
if (subplot.Rows != rows || subplot.Cols != cols) {
subplot.RowAlignmentData.resize(rows);
subplot.RowLinkData.resize(rows);
subplot.RowRatios.resize(rows);
for (int r = 0; r < rows; ++r) {
subplot.RowAlignmentData[r].Reset();
subplot.RowLinkData[r] = ImPlotRange(0,1);
subplot.RowRatios[r] = 1.0f / rows;
}
subplot.ColAlignmentData.resize(cols);
subplot.ColLinkData.resize(cols);
subplot.ColRatios.resize(cols);
for (int c = 0; c < cols; ++c) {
subplot.ColAlignmentData[c].Reset();
subplot.ColLinkData[c] = ImPlotRange(0,1);
subplot.ColRatios[c] = 1.0f / cols;
}
}
// check incoming size requests
float row_sum = 0, col_sum = 0;
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if (row_sizes != nullptr) {
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row_sum = ImSum(row_sizes, rows);
for (int r = 0; r < rows; ++r)
subplot.RowRatios[r] = row_sizes[r] / row_sum;
}
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if (col_sizes != nullptr) {
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col_sum = ImSum(col_sizes, cols);
for (int c = 0; c < cols; ++c)
subplot.ColRatios[c] = col_sizes[c] / col_sum;
}
subplot.Rows = rows;
subplot.Cols = cols;
// calc plot frame sizes
ImVec2 title_size(0.0f, 0.0f);
if (!ImHasFlag(subplot.Flags, ImPlotSubplotFlags_NoTitle))
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title_size = ImGui::CalcTextSize(title, nullptr, true);
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const float pad_top = title_size.x > 0.0f ? title_size.y + gp.Style.LabelPadding.y : 0;
const ImVec2 half_pad = gp.Style.PlotPadding/2;
const ImVec2 frame_size = ImGui::CalcItemSize(size, gp.Style.PlotDefaultSize.x, gp.Style.PlotDefaultSize.y);
subplot.FrameRect = ImRect(Window->DC.CursorPos, Window->DC.CursorPos + frame_size);
subplot.GridRect.Min = subplot.FrameRect.Min + half_pad + ImVec2(0,pad_top);
subplot.GridRect.Max = subplot.FrameRect.Max - half_pad;
subplot.FrameHovered = subplot.FrameRect.Contains(ImGui::GetMousePos()) && ImGui::IsWindowHovered(ImGuiHoveredFlags_ChildWindows);
// outside legend adjustments (TODO: make function)
const bool share_items = ImHasFlag(subplot.Flags, ImPlotSubplotFlags_ShareItems);
if (share_items)
gp.CurrentItems = &subplot.Items;
if (share_items && !ImHasFlag(subplot.Flags, ImPlotSubplotFlags_NoLegend) && subplot.Items.GetLegendCount() > 0) {
ImPlotLegend& legend = subplot.Items.Legend;
const bool horz = ImHasFlag(legend.Flags, ImPlotLegendFlags_Horizontal);
const ImVec2 legend_size = CalcLegendSize(subplot.Items, gp.Style.LegendInnerPadding, gp.Style.LegendSpacing, !horz);
const bool west = ImHasFlag(legend.Location, ImPlotLocation_West) && !ImHasFlag(legend.Location, ImPlotLocation_East);
const bool east = ImHasFlag(legend.Location, ImPlotLocation_East) && !ImHasFlag(legend.Location, ImPlotLocation_West);
const bool north = ImHasFlag(legend.Location, ImPlotLocation_North) && !ImHasFlag(legend.Location, ImPlotLocation_South);
const bool south = ImHasFlag(legend.Location, ImPlotLocation_South) && !ImHasFlag(legend.Location, ImPlotLocation_North);
if ((west && !horz) || (west && horz && !north && !south))
subplot.GridRect.Min.x += (legend_size.x + gp.Style.LegendPadding.x);
if ((east && !horz) || (east && horz && !north && !south))
subplot.GridRect.Max.x -= (legend_size.x + gp.Style.LegendPadding.x);
if ((north && horz) || (north && !horz && !west && !east))
subplot.GridRect.Min.y += (legend_size.y + gp.Style.LegendPadding.y);
if ((south && horz) || (south && !horz && !west && !east))
subplot.GridRect.Max.y -= (legend_size.y + gp.Style.LegendPadding.y);
}
// render single background frame
ImGui::RenderFrame(subplot.FrameRect.Min, subplot.FrameRect.Max, GetStyleColorU32(ImPlotCol_FrameBg), true, ImGui::GetStyle().FrameRounding);
// render title
if (title_size.x > 0.0f && !ImHasFlag(subplot.Flags, ImPlotFlags_NoTitle)) {
const ImU32 col = GetStyleColorU32(ImPlotCol_TitleText);
AddTextCentered(ImGui::GetWindowDrawList(),ImVec2(subplot.GridRect.GetCenter().x, subplot.GridRect.Min.y - pad_top + half_pad.y),col,title);
}
// render splitters
if (!ImHasFlag(subplot.Flags, ImPlotSubplotFlags_NoResize)) {
ImDrawList& DrawList = *ImGui::GetWindowDrawList();
const ImU32 hov_col = ImGui::ColorConvertFloat4ToU32(GImGui->Style.Colors[ImGuiCol_SeparatorHovered]);
const ImU32 act_col = ImGui::ColorConvertFloat4ToU32(GImGui->Style.Colors[ImGuiCol_SeparatorActive]);
float xpos = subplot.GridRect.Min.x;
float ypos = subplot.GridRect.Min.y;
int separator = 1;
// bool pass = false;
for (int r = 0; r < subplot.Rows-1; ++r) {
ypos += subplot.RowRatios[r] * subplot.GridRect.GetHeight();
const ImGuiID sep_id = subplot.ID + separator;
ImGui::KeepAliveID(sep_id);
const ImRect sep_bb = ImRect(subplot.GridRect.Min.x, ypos-SUBPLOT_SPLITTER_HALF_THICKNESS, subplot.GridRect.Max.x, ypos+SUBPLOT_SPLITTER_HALF_THICKNESS);
bool sep_hov = false, sep_hld = false;
const bool sep_clk = ImGui::ButtonBehavior(sep_bb, sep_id, &sep_hov, &sep_hld, ImGuiButtonFlags_FlattenChildren | ImGuiButtonFlags_AllowItemOverlap | ImGuiButtonFlags_PressedOnClick | ImGuiButtonFlags_PressedOnDoubleClick);
if ((sep_hov && G.HoveredIdTimer > SUBPLOT_SPLITTER_FEEDBACK_TIMER) || sep_hld) {
if (sep_clk && ImGui::IsMouseDoubleClicked(0)) {
float p = (subplot.RowRatios[r] + subplot.RowRatios[r+1])/2;
subplot.RowRatios[r] = subplot.RowRatios[r+1] = p;
}
if (sep_clk) {
subplot.TempSizes[0] = subplot.RowRatios[r];
subplot.TempSizes[1] = subplot.RowRatios[r+1];
}
if (sep_hld) {
float dp = ImGui::GetMouseDragDelta(0).y / subplot.GridRect.GetHeight();
if (subplot.TempSizes[0] + dp > 0.1f && subplot.TempSizes[1] - dp > 0.1f) {
subplot.RowRatios[r] = subplot.TempSizes[0] + dp;
subplot.RowRatios[r+1] = subplot.TempSizes[1] - dp;
}
}
DrawList.AddLine(ImVec2(IM_ROUND(subplot.GridRect.Min.x),IM_ROUND(ypos)),
ImVec2(IM_ROUND(subplot.GridRect.Max.x),IM_ROUND(ypos)),
sep_hld ? act_col : hov_col, SUBPLOT_BORDER_SIZE);
ImGui::SetMouseCursor(ImGuiMouseCursor_ResizeNS);
}
separator++;
}
for (int c = 0; c < subplot.Cols-1; ++c) {
xpos += subplot.ColRatios[c] * subplot.GridRect.GetWidth();
const ImGuiID sep_id = subplot.ID + separator;
ImGui::KeepAliveID(sep_id);
const ImRect sep_bb = ImRect(xpos-SUBPLOT_SPLITTER_HALF_THICKNESS, subplot.GridRect.Min.y, xpos+SUBPLOT_SPLITTER_HALF_THICKNESS, subplot.GridRect.Max.y);
bool sep_hov = false, sep_hld = false;
const bool sep_clk = ImGui::ButtonBehavior(sep_bb, sep_id, &sep_hov, &sep_hld, ImGuiButtonFlags_FlattenChildren | ImGuiButtonFlags_AllowItemOverlap | ImGuiButtonFlags_PressedOnClick | ImGuiButtonFlags_PressedOnDoubleClick);
if ((sep_hov && G.HoveredIdTimer > SUBPLOT_SPLITTER_FEEDBACK_TIMER) || sep_hld) {
if (sep_clk && ImGui::IsMouseDoubleClicked(0)) {
float p = (subplot.ColRatios[c] + subplot.ColRatios[c+1])/2;
subplot.ColRatios[c] = subplot.ColRatios[c+1] = p;
}
if (sep_clk) {
subplot.TempSizes[0] = subplot.ColRatios[c];
subplot.TempSizes[1] = subplot.ColRatios[c+1];
}
if (sep_hld) {
float dp = ImGui::GetMouseDragDelta(0).x / subplot.GridRect.GetWidth();
if (subplot.TempSizes[0] + dp > 0.1f && subplot.TempSizes[1] - dp > 0.1f) {
subplot.ColRatios[c] = subplot.TempSizes[0] + dp;
subplot.ColRatios[c+1] = subplot.TempSizes[1] - dp;
}
}
DrawList.AddLine(ImVec2(IM_ROUND(xpos),IM_ROUND(subplot.GridRect.Min.y)),
ImVec2(IM_ROUND(xpos),IM_ROUND(subplot.GridRect.Max.y)),
sep_hld ? act_col : hov_col, SUBPLOT_BORDER_SIZE);
ImGui::SetMouseCursor(ImGuiMouseCursor_ResizeEW);
}
separator++;
}
}
// set outgoing sizes
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if (row_sizes != nullptr) {
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for (int r = 0; r < rows; ++r)
row_sizes[r] = subplot.RowRatios[r] * row_sum;
}
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if (col_sizes != nullptr) {
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for (int c = 0; c < cols; ++c)
col_sizes[c] = subplot.ColRatios[c] * col_sum;
}
// push styling
PushStyleColor(ImPlotCol_FrameBg, IM_COL32_BLACK_TRANS);
PushStyleVar(ImPlotStyleVar_PlotPadding, half_pad);
PushStyleVar(ImPlotStyleVar_PlotMinSize, ImVec2(0,0));
ImGui::PushStyleVar(ImGuiStyleVar_FrameBorderSize,0);
// set initial cursor pos
Window->DC.CursorPos = subplot.GridRect.Min;
// begin alignments
for (int r = 0; r < subplot.Rows; ++r)
subplot.RowAlignmentData[r].Begin();
for (int c = 0; c < subplot.Cols; ++c)
subplot.ColAlignmentData[c].Begin();
// clear legend data
subplot.Items.Legend.Reset();
// Setup first subplot
SubplotSetCell(0,0);
return true;
}
void EndSubplots() {
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IM_ASSERT_USER_ERROR(GImPlot != nullptr, "No current context. Did you call ImPlot::CreateContext() or ImPlot::SetCurrentContext()?");
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ImPlotContext& gp = *GImPlot;
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IM_ASSERT_USER_ERROR(gp.CurrentSubplot != nullptr, "Mismatched BeginSubplots()/EndSubplots()!");
ImPlotSubplot& subplot = *gp.CurrentSubplot;
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// set alignments
for (int r = 0; r < subplot.Rows; ++r)
subplot.RowAlignmentData[r].End();
for (int c = 0; c < subplot.Cols; ++c)
subplot.ColAlignmentData[c].End();
// pop styling
PopStyleColor();
PopStyleVar();
PopStyleVar();
ImGui::PopStyleVar();
// legend
subplot.Items.Legend.Hovered = false;
for (int i = 0; i < subplot.Items.GetItemCount(); ++i)
subplot.Items.GetItemByIndex(i)->LegendHovered = false;
// render legend
const bool share_items = ImHasFlag(subplot.Flags, ImPlotSubplotFlags_ShareItems);
ImDrawList& DrawList = *ImGui::GetWindowDrawList();
if (share_items && !ImHasFlag(subplot.Flags, ImPlotSubplotFlags_NoLegend) && subplot.Items.GetLegendCount() > 0) {
const bool legend_horz = ImHasFlag(subplot.Items.Legend.Flags, ImPlotLegendFlags_Horizontal);
const ImVec2 legend_size = CalcLegendSize(subplot.Items, gp.Style.LegendInnerPadding, gp.Style.LegendSpacing, !legend_horz);
const ImVec2 legend_pos = GetLocationPos(subplot.FrameRect, legend_size, subplot.Items.Legend.Location, gp.Style.PlotPadding);
subplot.Items.Legend.Rect = ImRect(legend_pos, legend_pos + legend_size);
subplot.Items.Legend.Hovered = subplot.FrameHovered && subplot.Items.Legend.Rect.Contains(ImGui::GetIO().MousePos);
ImGui::PushClipRect(subplot.FrameRect.Min, subplot.FrameRect.Max, true);
ImU32 col_bg = GetStyleColorU32(ImPlotCol_LegendBg);
ImU32 col_bd = GetStyleColorU32(ImPlotCol_LegendBorder);
DrawList.AddRectFilled(subplot.Items.Legend.Rect.Min, subplot.Items.Legend.Rect.Max, col_bg);
DrawList.AddRect(subplot.Items.Legend.Rect.Min, subplot.Items.Legend.Rect.Max, col_bd);
bool legend_contextable = ShowLegendEntries(subplot.Items, subplot.Items.Legend.Rect, subplot.Items.Legend.Hovered, gp.Style.LegendInnerPadding, gp.Style.LegendSpacing, !legend_horz, DrawList)
&& !ImHasFlag(subplot.Items.Legend.Flags, ImPlotLegendFlags_NoMenus);
if (legend_contextable && !ImHasFlag(subplot.Flags, ImPlotSubplotFlags_NoMenus) && ImGui::GetIO().MouseReleased[gp.InputMap.Menu])
ImGui::OpenPopup("##LegendContext");
ImGui::PopClipRect();
if (ImGui::BeginPopup("##LegendContext")) {
ImGui::Text("Legend"); ImGui::Separator();
if (ShowLegendContextMenu(subplot.Items.Legend, !ImHasFlag(subplot.Flags, ImPlotFlags_NoLegend)))
ImFlipFlag(subplot.Flags, ImPlotFlags_NoLegend);
ImGui::EndPopup();
}
}
else {
subplot.Items.Legend.Rect = ImRect();
}
// remove items
if (gp.CurrentItems == &subplot.Items)
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gp.CurrentItems = nullptr;
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// reset the plot items for the next frame (TODO: put this elswhere)
for (int i = 0; i < subplot.Items.GetItemCount(); ++i) {
subplot.Items.GetItemByIndex(i)->SeenThisFrame = false;
}
// pop id
ImGui::PopID();
// set DC back correctly
GImGui->CurrentWindow->DC.CursorPos = subplot.FrameRect.Min;
ImGui::Dummy(subplot.FrameRect.GetSize());
ResetCtxForNextSubplot(GImPlot);
}
//-----------------------------------------------------------------------------
// [SECTION] Plot Utils
//-----------------------------------------------------------------------------
void SetAxis(ImAxis axis) {
ImPlotContext& gp = *GImPlot;
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IM_ASSERT_USER_ERROR(gp.CurrentPlot != nullptr, "SetAxis() needs to be called between BeginPlot() and EndPlot()!");
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IM_ASSERT_USER_ERROR(axis >= ImAxis_X1 && axis < ImAxis_COUNT, "Axis index out of bounds!");
IM_ASSERT_USER_ERROR(gp.CurrentPlot->Axes[axis].Enabled, "Axis is not enabled! Did you forget to call SetupAxis()?");
SetupLock();
if (axis < ImAxis_Y1)
gp.CurrentPlot->CurrentX = axis;
else
gp.CurrentPlot->CurrentY = axis;
}
void SetAxes(ImAxis x_idx, ImAxis y_idx) {
ImPlotContext& gp = *GImPlot;
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IM_ASSERT_USER_ERROR(gp.CurrentPlot != nullptr, "SetAxes() needs to be called between BeginPlot() and EndPlot()!");
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IM_ASSERT_USER_ERROR(x_idx >= ImAxis_X1 && x_idx < ImAxis_Y1, "X-Axis index out of bounds!");
IM_ASSERT_USER_ERROR(y_idx >= ImAxis_Y1 && y_idx < ImAxis_COUNT, "Y-Axis index out of bounds!");
IM_ASSERT_USER_ERROR(gp.CurrentPlot->Axes[x_idx].Enabled, "Axis is not enabled! Did you forget to call SetupAxis()?");
IM_ASSERT_USER_ERROR(gp.CurrentPlot->Axes[y_idx].Enabled, "Axis is not enabled! Did you forget to call SetupAxis()?");
SetupLock();
gp.CurrentPlot->CurrentX = x_idx;
gp.CurrentPlot->CurrentY = y_idx;
}
ImPlotPoint PixelsToPlot(float x, float y, ImAxis x_idx, ImAxis y_idx) {
ImPlotContext& gp = *GImPlot;
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IM_ASSERT_USER_ERROR(gp.CurrentPlot != nullptr, "PixelsToPlot() needs to be called between BeginPlot() and EndPlot()!");
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IM_ASSERT_USER_ERROR(x_idx == IMPLOT_AUTO || (x_idx >= ImAxis_X1 && x_idx < ImAxis_Y1), "X-Axis index out of bounds!");
IM_ASSERT_USER_ERROR(y_idx == IMPLOT_AUTO || (y_idx >= ImAxis_Y1 && y_idx < ImAxis_COUNT), "Y-Axis index out of bounds!");
SetupLock();
ImPlotPlot& plot = *gp.CurrentPlot;
ImPlotAxis& x_axis = x_idx == IMPLOT_AUTO ? plot.Axes[plot.CurrentX] : plot.Axes[x_idx];
ImPlotAxis& y_axis = y_idx == IMPLOT_AUTO ? plot.Axes[plot.CurrentY] : plot.Axes[y_idx];
return ImPlotPoint( x_axis.PixelsToPlot(x), y_axis.PixelsToPlot(y) );
}
ImPlotPoint PixelsToPlot(const ImVec2& pix, ImAxis x_idx, ImAxis y_idx) {
return PixelsToPlot(pix.x, pix.y, x_idx, y_idx);
}
ImVec2 PlotToPixels(double x, double y, ImAxis x_idx, ImAxis y_idx) {
ImPlotContext& gp = *GImPlot;
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IM_ASSERT_USER_ERROR(gp.CurrentPlot != nullptr, "PlotToPixels() needs to be called between BeginPlot() and EndPlot()!");
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IM_ASSERT_USER_ERROR(x_idx == IMPLOT_AUTO || (x_idx >= ImAxis_X1 && x_idx < ImAxis_Y1), "X-Axis index out of bounds!");
IM_ASSERT_USER_ERROR(y_idx == IMPLOT_AUTO || (y_idx >= ImAxis_Y1 && y_idx < ImAxis_COUNT), "Y-Axis index out of bounds!");
SetupLock();
ImPlotPlot& plot = *gp.CurrentPlot;
ImPlotAxis& x_axis = x_idx == IMPLOT_AUTO ? plot.Axes[plot.CurrentX] : plot.Axes[x_idx];
ImPlotAxis& y_axis = y_idx == IMPLOT_AUTO ? plot.Axes[plot.CurrentY] : plot.Axes[y_idx];
return ImVec2( x_axis.PlotToPixels(x), y_axis.PlotToPixels(y) );
}
ImVec2 PlotToPixels(const ImPlotPoint& plt, ImAxis x_idx, ImAxis y_idx) {
return PlotToPixels(plt.x, plt.y, x_idx, y_idx);
}
ImVec2 GetPlotPos() {
ImPlotContext& gp = *GImPlot;
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IM_ASSERT_USER_ERROR(gp.CurrentPlot != nullptr, "GetPlotPos() needs to be called between BeginPlot() and EndPlot()!");
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SetupLock();
return gp.CurrentPlot->PlotRect.Min;
}
ImVec2 GetPlotSize() {
ImPlotContext& gp = *GImPlot;
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IM_ASSERT_USER_ERROR(gp.CurrentPlot != nullptr, "GetPlotSize() needs to be called between BeginPlot() and EndPlot()!");
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SetupLock();
return gp.CurrentPlot->PlotRect.GetSize();
}
ImPlotPoint GetPlotMousePos(ImAxis x_idx, ImAxis y_idx) {
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IM_ASSERT_USER_ERROR(GImPlot->CurrentPlot != nullptr, "GetPlotMousePos() needs to be called between BeginPlot() and EndPlot()!");
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SetupLock();
return PixelsToPlot(ImGui::GetMousePos(), x_idx, y_idx);
}
ImPlotRect GetPlotLimits(ImAxis x_idx, ImAxis y_idx) {
ImPlotContext& gp = *GImPlot;
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IM_ASSERT_USER_ERROR(gp.CurrentPlot != nullptr, "GetPlotLimits() needs to be called between BeginPlot() and EndPlot()!");
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IM_ASSERT_USER_ERROR(x_idx == IMPLOT_AUTO || (x_idx >= ImAxis_X1 && x_idx < ImAxis_Y1), "X-Axis index out of bounds!");
IM_ASSERT_USER_ERROR(y_idx == IMPLOT_AUTO || (y_idx >= ImAxis_Y1 && y_idx < ImAxis_COUNT), "Y-Axis index out of bounds!");
SetupLock();
ImPlotPlot& plot = *gp.CurrentPlot;
ImPlotAxis& x_axis = x_idx == IMPLOT_AUTO ? plot.Axes[plot.CurrentX] : plot.Axes[x_idx];
ImPlotAxis& y_axis = y_idx == IMPLOT_AUTO ? plot.Axes[plot.CurrentY] : plot.Axes[y_idx];
ImPlotRect limits;
limits.X = x_axis.Range;
limits.Y = y_axis.Range;
return limits;
}
bool IsPlotHovered() {
ImPlotContext& gp = *GImPlot;
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IM_ASSERT_USER_ERROR(gp.CurrentPlot != nullptr, "IsPlotHovered() needs to be called between BeginPlot() and EndPlot()!");
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SetupLock();
return gp.CurrentPlot->Hovered;
}
bool IsAxisHovered(ImAxis axis) {
ImPlotContext& gp = *GImPlot;
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IM_ASSERT_USER_ERROR(gp.CurrentPlot != nullptr, "IsPlotXAxisHovered() needs to be called between BeginPlot() and EndPlot()!");
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SetupLock();
return gp.CurrentPlot->Axes[axis].Hovered;
}
bool IsSubplotsHovered() {
ImPlotContext& gp = *GImPlot;
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IM_ASSERT_USER_ERROR(gp.CurrentSubplot != nullptr, "IsSubplotsHovered() needs to be called between BeginSubplots() and EndSubplots()!");
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return gp.CurrentSubplot->FrameHovered;
}
bool IsPlotSelected() {
ImPlotContext& gp = *GImPlot;
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IM_ASSERT_USER_ERROR(gp.CurrentPlot != nullptr, "IsPlotSelected() needs to be called between BeginPlot() and EndPlot()!");
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SetupLock();
return gp.CurrentPlot->Selected;
}
ImPlotRect GetPlotSelection(ImAxis x_idx, ImAxis y_idx) {
ImPlotContext& gp = *GImPlot;
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IM_ASSERT_USER_ERROR(gp.CurrentPlot != nullptr, "GetPlotSelection() needs to be called between BeginPlot() and EndPlot()!");
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SetupLock();
ImPlotPlot& plot = *gp.CurrentPlot;
if (!plot.Selected)
return ImPlotRect(0,0,0,0);
ImPlotPoint p1 = PixelsToPlot(plot.SelectRect.Min + plot.PlotRect.Min, x_idx, y_idx);
ImPlotPoint p2 = PixelsToPlot(plot.SelectRect.Max + plot.PlotRect.Min, x_idx, y_idx);
ImPlotRect result;
result.X.Min = ImMin(p1.x, p2.x);
result.X.Max = ImMax(p1.x, p2.x);
result.Y.Min = ImMin(p1.y, p2.y);
result.Y.Max = ImMax(p1.y, p2.y);
return result;
}
void CancelPlotSelection() {
ImPlotContext& gp = *GImPlot;
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IM_ASSERT_USER_ERROR(gp.CurrentPlot != nullptr, "CancelPlotSelection() needs to be called between BeginPlot() and EndPlot()!");
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SetupLock();
ImPlotPlot& plot = *gp.CurrentPlot;
if (plot.Selected)
plot.Selected = plot.Selecting = false;
}
void HideNextItem(bool hidden, ImPlotCond cond) {
ImPlotContext& gp = *GImPlot;
gp.NextItemData.HasHidden = true;
gp.NextItemData.Hidden = hidden;
gp.NextItemData.HiddenCond = cond;
}
//-----------------------------------------------------------------------------
// [SECTION] Plot Tools
//-----------------------------------------------------------------------------
void Annotation(double x, double y, const ImVec4& col, const ImVec2& offset, bool clamp, bool round) {
ImPlotContext& gp = *GImPlot;
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IM_ASSERT_USER_ERROR(gp.CurrentPlot != nullptr, "Annotation() needs to be called between BeginPlot() and EndPlot()!");
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SetupLock();
char x_buff[IMPLOT_LABEL_MAX_SIZE];
char y_buff[IMPLOT_LABEL_MAX_SIZE];
ImPlotAxis& x_axis = gp.CurrentPlot->Axes[gp.CurrentPlot->CurrentX];
ImPlotAxis& y_axis = gp.CurrentPlot->Axes[gp.CurrentPlot->CurrentY];
LabelAxisValue(x_axis, x, x_buff, sizeof(x_buff), round);
LabelAxisValue(y_axis, y, y_buff, sizeof(y_buff), round);
Annotation(x,y,col,offset,clamp,"%s, %s",x_buff,y_buff);
}
void AnnotationV(double x, double y, const ImVec4& col, const ImVec2& offset, bool clamp, const char* fmt, va_list args) {
ImPlotContext& gp = *GImPlot;
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IM_ASSERT_USER_ERROR(gp.CurrentPlot != nullptr, "Annotation() needs to be called between BeginPlot() and EndPlot()!");
Initial Commit
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SetupLock();
ImVec2 pos = PlotToPixels(x,y,IMPLOT_AUTO,IMPLOT_AUTO);
ImU32 bg = ImGui::GetColorU32(col);
ImU32 fg = col.w == 0 ? GetStyleColorU32(ImPlotCol_InlayText) : CalcTextColor(col);
gp.Annotations.AppendV(pos, offset, bg, fg, clamp, fmt, args);
}
void Annotation(double x, double y, const ImVec4& col, const ImVec2& offset, bool clamp, const char* fmt, ...) {
va_list args;
va_start(args, fmt);
AnnotationV(x,y,col,offset,clamp,fmt,args);
va_end(args);
}
void TagV(ImAxis axis, double v, const ImVec4& col, const char* fmt, va_list args) {
ImPlotContext& gp = *GImPlot;
SetupLock();
ImU32 bg = ImGui::GetColorU32(col);
ImU32 fg = col.w == 0 ? GetStyleColorU32(ImPlotCol_AxisText) : CalcTextColor(col);
gp.Tags.AppendV(axis,v,bg,fg,fmt,args);
}
void Tag(ImAxis axis, double v, const ImVec4& col, const char* fmt, ...) {
va_list args;
va_start(args, fmt);
TagV(axis,v,col,fmt,args);
va_end(args);
}
void Tag(ImAxis axis, double v, const ImVec4& color, bool round) {
ImPlotContext& gp = *GImPlot;
SetupLock();
char buff[IMPLOT_LABEL_MAX_SIZE];
ImPlotAxis& ax = gp.CurrentPlot->Axes[axis];
LabelAxisValue(ax, v, buff, sizeof(buff), round);
Tag(axis,v,color,"%s",buff);
}
IMPLOT_API void TagX(double x, const ImVec4& color, bool round) {
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ImPlotContext& gp = *GImPlot;
IM_ASSERT_USER_ERROR(gp.CurrentPlot != nullptr, "TagX() needs to be called between BeginPlot() and EndPlot()!");
Tag(gp.CurrentPlot->CurrentX, x, color, round);
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}
IMPLOT_API void TagX(double x, const ImVec4& color, const char* fmt, ...) {
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ImPlotContext& gp = *GImPlot;
IM_ASSERT_USER_ERROR(gp.CurrentPlot != nullptr, "TagX() needs to be called between BeginPlot() and EndPlot()!");
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va_list args;
va_start(args, fmt);
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TagV(gp.CurrentPlot->CurrentX,x,color,fmt,args);
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va_end(args);
}
IMPLOT_API void TagXV(double x, const ImVec4& color, const char* fmt, va_list args) {
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ImPlotContext& gp = *GImPlot;
IM_ASSERT_USER_ERROR(gp.CurrentPlot != nullptr, "TagX() needs to be called between BeginPlot() and EndPlot()!");
TagV(gp.CurrentPlot->CurrentX, x, color, fmt, args);
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}
IMPLOT_API void TagY(double y, const ImVec4& color, bool round) {
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ImPlotContext& gp = *GImPlot;
IM_ASSERT_USER_ERROR(gp.CurrentPlot != nullptr, "TagY() needs to be called between BeginPlot() and EndPlot()!");
Tag(gp.CurrentPlot->CurrentY, y, color, round);
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}
IMPLOT_API void TagY(double y, const ImVec4& color, const char* fmt, ...) {
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ImPlotContext& gp = *GImPlot;
IM_ASSERT_USER_ERROR(gp.CurrentPlot != nullptr, "TagY() needs to be called between BeginPlot() and EndPlot()!");
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va_list args;
va_start(args, fmt);
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TagV(gp.CurrentPlot->CurrentY,y,color,fmt,args);
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va_end(args);
}
IMPLOT_API void TagYV(double y, const ImVec4& color, const char* fmt, va_list args) {
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ImPlotContext& gp = *GImPlot;
IM_ASSERT_USER_ERROR(gp.CurrentPlot != nullptr, "TagY() needs to be called between BeginPlot() and EndPlot()!");
TagV(gp.CurrentPlot->CurrentY, y, color, fmt, args);
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}
static const float DRAG_GRAB_HALF_SIZE = 4.0f;
bool DragPoint(int n_id, double* x, double* y, const ImVec4& col, float radius, ImPlotDragToolFlags flags) {
ImGui::PushID("#IMPLOT_DRAG_POINT");
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IM_ASSERT_USER_ERROR(GImPlot->CurrentPlot != nullptr, "DragPoint() needs to be called between BeginPlot() and EndPlot()!");
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SetupLock();
if (!ImHasFlag(flags,ImPlotDragToolFlags_NoFit) && FitThisFrame()) {
FitPoint(ImPlotPoint(*x,*y));
}
const bool input = !ImHasFlag(flags, ImPlotDragToolFlags_NoInputs);
const bool show_curs = !ImHasFlag(flags, ImPlotDragToolFlags_NoCursors);
const bool no_delay = !ImHasFlag(flags, ImPlotDragToolFlags_Delayed);
const float grab_half_size = ImMax(DRAG_GRAB_HALF_SIZE, radius);
const ImVec4 color = IsColorAuto(col) ? ImGui::GetStyleColorVec4(ImGuiCol_Text) : col;
const ImU32 col32 = ImGui::ColorConvertFloat4ToU32(color);
ImVec2 pos = PlotToPixels(*x,*y,IMPLOT_AUTO,IMPLOT_AUTO);
const ImGuiID id = ImGui::GetCurrentWindow()->GetID(n_id);
ImRect rect(pos.x-grab_half_size,pos.y-grab_half_size,pos.x+grab_half_size,pos.y+grab_half_size);
bool hovered = false, held = false;
ImGui::KeepAliveID(id);
if (input)
ImGui::ButtonBehavior(rect,id,&hovered,&held);
bool dragging = false;
if (held && ImGui::IsMouseDragging(0)) {
*x = ImPlot::GetPlotMousePos(IMPLOT_AUTO,IMPLOT_AUTO).x;
*y = ImPlot::GetPlotMousePos(IMPLOT_AUTO,IMPLOT_AUTO).y;
dragging = true;
}
PushPlotClipRect();
ImDrawList& DrawList = *GetPlotDrawList();
if ((hovered || held) && show_curs)
ImGui::SetMouseCursor(ImGuiMouseCursor_Hand);
if (dragging && no_delay)
pos = PlotToPixels(*x,*y,IMPLOT_AUTO,IMPLOT_AUTO);
DrawList.AddCircleFilled(pos, radius, col32);
PopPlotClipRect();
ImGui::PopID();
return dragging;
}
bool DragLineX(int n_id, double* value, const ImVec4& col, float thickness, ImPlotDragToolFlags flags) {
// ImGui::PushID("#IMPLOT_DRAG_LINE_X");
ImPlotContext& gp = *GImPlot;
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IM_ASSERT_USER_ERROR(gp.CurrentPlot != nullptr, "DragLineX() needs to be called between BeginPlot() and EndPlot()!");
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SetupLock();
if (!ImHasFlag(flags,ImPlotDragToolFlags_NoFit) && FitThisFrame()) {
FitPointX(*value);
}
const bool input = !ImHasFlag(flags, ImPlotDragToolFlags_NoInputs);
const bool show_curs = !ImHasFlag(flags, ImPlotDragToolFlags_NoCursors);
const bool no_delay = !ImHasFlag(flags, ImPlotDragToolFlags_Delayed);
const float grab_half_size = ImMax(DRAG_GRAB_HALF_SIZE, thickness/2);
float yt = gp.CurrentPlot->PlotRect.Min.y;
float yb = gp.CurrentPlot->PlotRect.Max.y;
float x = IM_ROUND(PlotToPixels(*value,0,IMPLOT_AUTO,IMPLOT_AUTO).x);
const ImGuiID id = ImGui::GetCurrentWindow()->GetID(n_id);
ImRect rect(x-grab_half_size,yt,x+grab_half_size,yb);
bool hovered = false, held = false;
ImGui::KeepAliveID(id);
if (input)
ImGui::ButtonBehavior(rect,id,&hovered,&held);
if ((hovered || held) && show_curs)
ImGui::SetMouseCursor(ImGuiMouseCursor_ResizeEW);
float len = gp.Style.MajorTickLen.x;
ImVec4 color = IsColorAuto(col) ? ImGui::GetStyleColorVec4(ImGuiCol_Text) : col;
ImU32 col32 = ImGui::ColorConvertFloat4ToU32(color);
bool dragging = false;
if (held && ImGui::IsMouseDragging(0)) {
*value = ImPlot::GetPlotMousePos(IMPLOT_AUTO,IMPLOT_AUTO).x;
dragging = true;
}
PushPlotClipRect();
ImDrawList& DrawList = *GetPlotDrawList();
if (dragging && no_delay)
x = IM_ROUND(PlotToPixels(*value,0,IMPLOT_AUTO,IMPLOT_AUTO).x);
DrawList.AddLine(ImVec2(x,yt), ImVec2(x,yb), col32, thickness);
DrawList.AddLine(ImVec2(x,yt), ImVec2(x,yt+len), col32, 3*thickness);
DrawList.AddLine(ImVec2(x,yb), ImVec2(x,yb-len), col32, 3*thickness);
PopPlotClipRect();
// ImGui::PopID();
return dragging;
}
bool DragLineY(int n_id, double* value, const ImVec4& col, float thickness, ImPlotDragToolFlags flags) {
ImGui::PushID("#IMPLOT_DRAG_LINE_Y");
ImPlotContext& gp = *GImPlot;
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IM_ASSERT_USER_ERROR(gp.CurrentPlot != nullptr, "DragLineY() needs to be called between BeginPlot() and EndPlot()!");
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SetupLock();
if (!ImHasFlag(flags,ImPlotDragToolFlags_NoFit) && FitThisFrame()) {
FitPointY(*value);
}
const bool input = !ImHasFlag(flags, ImPlotDragToolFlags_NoInputs);
const bool show_curs = !ImHasFlag(flags, ImPlotDragToolFlags_NoCursors);
const bool no_delay = !ImHasFlag(flags, ImPlotDragToolFlags_Delayed);
const float grab_half_size = ImMax(DRAG_GRAB_HALF_SIZE, thickness/2);
float xl = gp.CurrentPlot->PlotRect.Min.x;
float xr = gp.CurrentPlot->PlotRect.Max.x;
float y = IM_ROUND(PlotToPixels(0, *value,IMPLOT_AUTO,IMPLOT_AUTO).y);
const ImGuiID id = ImGui::GetCurrentWindow()->GetID(n_id);
ImRect rect(xl,y-grab_half_size,xr,y+grab_half_size);
bool hovered = false, held = false;
ImGui::KeepAliveID(id);
if (input)
ImGui::ButtonBehavior(rect,id,&hovered,&held);
if ((hovered || held) && show_curs)
ImGui::SetMouseCursor(ImGuiMouseCursor_ResizeNS);
float len = gp.Style.MajorTickLen.y;
ImVec4 color = IsColorAuto(col) ? ImGui::GetStyleColorVec4(ImGuiCol_Text) : col;
ImU32 col32 = ImGui::ColorConvertFloat4ToU32(color);
bool dragging = false;
if (held && ImGui::IsMouseDragging(0)) {
*value = ImPlot::GetPlotMousePos(IMPLOT_AUTO,IMPLOT_AUTO).y;
dragging = true;
}
PushPlotClipRect();
ImDrawList& DrawList = *GetPlotDrawList();
if (dragging && no_delay)
y = IM_ROUND(PlotToPixels(0, *value,IMPLOT_AUTO,IMPLOT_AUTO).y);
DrawList.AddLine(ImVec2(xl,y), ImVec2(xr,y), col32, thickness);
DrawList.AddLine(ImVec2(xl,y), ImVec2(xl+len,y), col32, 3*thickness);
DrawList.AddLine(ImVec2(xr,y), ImVec2(xr-len,y), col32, 3*thickness);
PopPlotClipRect();
ImGui::PopID();
return dragging;
}
bool DragRect(int n_id, double* x_min, double* y_min, double* x_max, double* y_max, const ImVec4& col, ImPlotDragToolFlags flags) {
ImGui::PushID("#IMPLOT_DRAG_RECT");
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IM_ASSERT_USER_ERROR(GImPlot->CurrentPlot != nullptr, "DragRect() needs to be called between BeginPlot() and EndPlot()!");
Initial Commit
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SetupLock();
if (!ImHasFlag(flags,ImPlotDragToolFlags_NoFit) && FitThisFrame()) {
FitPoint(ImPlotPoint(*x_min,*y_min));
FitPoint(ImPlotPoint(*x_max,*y_max));
}
const bool input = !ImHasFlag(flags, ImPlotDragToolFlags_NoInputs);
const bool show_curs = !ImHasFlag(flags, ImPlotDragToolFlags_NoCursors);
const bool no_delay = !ImHasFlag(flags, ImPlotDragToolFlags_Delayed);
bool h[] = {true,false,true,false};
double* x[] = {x_min,x_max,x_max,x_min};
double* y[] = {y_min,y_min,y_max,y_max};
ImVec2 p[4];
for (int i = 0; i < 4; ++i)
p[i] = PlotToPixels(*x[i],*y[i],IMPLOT_AUTO,IMPLOT_AUTO);
ImVec2 pc = PlotToPixels((*x_min+*x_max)/2,(*y_min+*y_max)/2,IMPLOT_AUTO,IMPLOT_AUTO);
ImRect rect(ImMin(p[0],p[2]),ImMax(p[0],p[2]));
ImRect rect_grab = rect; rect_grab.Expand(DRAG_GRAB_HALF_SIZE);
ImGuiMouseCursor cur[4];
if (show_curs) {
cur[0] = (rect.Min.x == p[0].x && rect.Min.y == p[0].y) || (rect.Max.x == p[0].x && rect.Max.y == p[0].y) ? ImGuiMouseCursor_ResizeNWSE : ImGuiMouseCursor_ResizeNESW;
cur[1] = cur[0] == ImGuiMouseCursor_ResizeNWSE ? ImGuiMouseCursor_ResizeNESW : ImGuiMouseCursor_ResizeNWSE;
cur[2] = cur[1] == ImGuiMouseCursor_ResizeNWSE ? ImGuiMouseCursor_ResizeNESW : ImGuiMouseCursor_ResizeNWSE;
cur[3] = cur[2] == ImGuiMouseCursor_ResizeNWSE ? ImGuiMouseCursor_ResizeNESW : ImGuiMouseCursor_ResizeNWSE;
}
ImVec4 color = IsColorAuto(col) ? ImGui::GetStyleColorVec4(ImGuiCol_Text) : col;
ImU32 col32 = ImGui::ColorConvertFloat4ToU32(color);
color.w *= 0.25f;
ImU32 col32_a = ImGui::ColorConvertFloat4ToU32(color);
const ImGuiID id = ImGui::GetCurrentWindow()->GetID(n_id);
bool dragging = false;
bool hovered = false, held = false;
ImRect b_rect(pc.x-DRAG_GRAB_HALF_SIZE,pc.y-DRAG_GRAB_HALF_SIZE,pc.x+DRAG_GRAB_HALF_SIZE,pc.y+DRAG_GRAB_HALF_SIZE);
ImGui::KeepAliveID(id);
if (input)
ImGui::ButtonBehavior(b_rect,id,&hovered,&held);
if ((hovered || held) && show_curs)
ImGui::SetMouseCursor(ImGuiMouseCursor_ResizeAll);
if (held && ImGui::IsMouseDragging(0)) {
for (int i = 0; i < 4; ++i) {
ImPlotPoint pp = PixelsToPlot(p[i] + ImGui::GetIO().MouseDelta,IMPLOT_AUTO,IMPLOT_AUTO);
*y[i] = pp.y;
*x[i] = pp.x;
}
dragging = true;
}
for (int i = 0; i < 4; ++i) {
// points
b_rect = ImRect(p[i].x-DRAG_GRAB_HALF_SIZE,p[i].y-DRAG_GRAB_HALF_SIZE,p[i].x+DRAG_GRAB_HALF_SIZE,p[i].y+DRAG_GRAB_HALF_SIZE);
ImGuiID p_id = id + i + 1;
ImGui::KeepAliveID(p_id);
if (input)
ImGui::ButtonBehavior(b_rect,p_id,&hovered,&held);
if ((hovered || held) && show_curs)
ImGui::SetMouseCursor(cur[i]);
if (held && ImGui::IsMouseDragging(0)) {
*x[i] = ImPlot::GetPlotMousePos(IMPLOT_AUTO,IMPLOT_AUTO).x;
*y[i] = ImPlot::GetPlotMousePos(IMPLOT_AUTO,IMPLOT_AUTO).y;
dragging = true;
}
// edges
ImVec2 e_min = ImMin(p[i],p[(i+1)%4]);
ImVec2 e_max = ImMax(p[i],p[(i+1)%4]);
b_rect = h[i] ? ImRect(e_min.x + DRAG_GRAB_HALF_SIZE, e_min.y - DRAG_GRAB_HALF_SIZE, e_max.x - DRAG_GRAB_HALF_SIZE, e_max.y + DRAG_GRAB_HALF_SIZE)
: ImRect(e_min.x - DRAG_GRAB_HALF_SIZE, e_min.y + DRAG_GRAB_HALF_SIZE, e_max.x + DRAG_GRAB_HALF_SIZE, e_max.y - DRAG_GRAB_HALF_SIZE);
ImGuiID e_id = id + i + 5;
ImGui::KeepAliveID(e_id);
if (input)
ImGui::ButtonBehavior(b_rect,e_id,&hovered,&held);
if ((hovered || held) && show_curs)
h[i] ? ImGui::SetMouseCursor(ImGuiMouseCursor_ResizeNS) : ImGui::SetMouseCursor(ImGuiMouseCursor_ResizeEW);
if (held && ImGui::IsMouseDragging(0)) {
if (h[i])
*y[i] = ImPlot::GetPlotMousePos(IMPLOT_AUTO,IMPLOT_AUTO).y;
else
*x[i] = ImPlot::GetPlotMousePos(IMPLOT_AUTO,IMPLOT_AUTO).x;
dragging = true;
}
if (hovered && ImGui::IsMouseDoubleClicked(0))
{
ImPlotRect b = GetPlotLimits(IMPLOT_AUTO,IMPLOT_AUTO);
if (h[i])
*y[i] = ((y[i] == y_min && *y_min < *y_max) || (y[i] == y_max && *y_max < *y_min)) ? b.Y.Min : b.Y.Max;
else
*x[i] = ((x[i] == x_min && *x_min < *x_max) || (x[i] == x_max && *x_max < *x_min)) ? b.X.Min : b.X.Max;
dragging = true;
}
}
PushPlotClipRect();
ImDrawList& DrawList = *GetPlotDrawList();
if (dragging && no_delay) {
for (int i = 0; i < 4; ++i)
p[i] = PlotToPixels(*x[i],*y[i],IMPLOT_AUTO,IMPLOT_AUTO);
pc = PlotToPixels((*x_min+*x_max)/2,(*y_min+*y_max)/2,IMPLOT_AUTO,IMPLOT_AUTO);
rect = ImRect(ImMin(p[0],p[2]),ImMax(p[0],p[2]));
}
DrawList.AddRectFilled(rect.Min, rect.Max, col32_a);
DrawList.AddRect(rect.Min, rect.Max, col32);
if (input && (dragging || rect_grab.Contains(ImGui::GetMousePos()))) {
DrawList.AddCircleFilled(pc,DRAG_GRAB_HALF_SIZE,col32);
for (int i = 0; i < 4; ++i)
DrawList.AddCircleFilled(p[i],DRAG_GRAB_HALF_SIZE,col32);
}
PopPlotClipRect();
ImGui::PopID();
return dragging;
}
bool DragRect(int id, ImPlotRect* bounds, const ImVec4& col, ImPlotDragToolFlags flags) {
return DragRect(id, &bounds->X.Min, &bounds->Y.Min,&bounds->X.Max, &bounds->Y.Max, col, flags);
}
//-----------------------------------------------------------------------------
// [SECTION] Legend Utils and Tools
//-----------------------------------------------------------------------------
bool IsLegendEntryHovered(const char* label_id) {
ImPlotContext& gp = *GImPlot;
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IM_ASSERT_USER_ERROR(gp.CurrentItems != nullptr, "IsPlotItemHighlight() needs to be called within an itemized context!");
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SetupLock();
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ImGuiID id = ImGui::GetIDWithSeed(label_id, nullptr, gp.CurrentItems->ID);
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ImPlotItem* item = gp.CurrentItems->GetItem(id);
return item && item->LegendHovered;
}
bool BeginLegendPopup(const char* label_id, ImGuiMouseButton mouse_button) {
ImPlotContext& gp = *GImPlot;
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IM_ASSERT_USER_ERROR(gp.CurrentItems != nullptr, "BeginLegendPopup() needs to be called within an itemized context!");
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SetupLock();
ImGuiWindow* window = GImGui->CurrentWindow;
if (window->SkipItems)
return false;
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ImGuiID id = ImGui::GetIDWithSeed(label_id, nullptr, gp.CurrentItems->ID);
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if (ImGui::IsMouseReleased(mouse_button)) {
ImPlotItem* item = gp.CurrentItems->GetItem(id);
if (item && item->LegendHovered)
ImGui::OpenPopupEx(id);
}
return ImGui::BeginPopupEx(id, ImGuiWindowFlags_AlwaysAutoResize | ImGuiWindowFlags_NoTitleBar | ImGuiWindowFlags_NoSavedSettings);
}
void EndLegendPopup() {
SetupLock();
ImGui::EndPopup();
}
void ShowAltLegend(const char* title_id, bool vertical, const ImVec2 size, bool interactable) {
ImPlotContext& gp = *GImPlot;
ImGuiContext &G = *GImGui;
ImGuiWindow * Window = G.CurrentWindow;
if (Window->SkipItems)
return;
ImDrawList &DrawList = *Window->DrawList;
ImPlotPlot* plot = GetPlot(title_id);
ImVec2 legend_size;
ImVec2 default_size = gp.Style.LegendPadding * 2;
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if (plot != nullptr) {
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legend_size = CalcLegendSize(plot->Items, gp.Style.LegendInnerPadding, gp.Style.LegendSpacing, vertical);
default_size = legend_size + gp.Style.LegendPadding * 2;
}
ImVec2 frame_size = ImGui::CalcItemSize(size, default_size.x, default_size.y);
ImRect bb_frame = ImRect(Window->DC.CursorPos, Window->DC.CursorPos + frame_size);
ImGui::ItemSize(bb_frame);
if (!ImGui::ItemAdd(bb_frame, 0, &bb_frame))
return;
ImGui::RenderFrame(bb_frame.Min, bb_frame.Max, GetStyleColorU32(ImPlotCol_FrameBg), true, G.Style.FrameRounding);
DrawList.PushClipRect(bb_frame.Min, bb_frame.Max, true);
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if (plot != nullptr) {
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const ImVec2 legend_pos = GetLocationPos(bb_frame, legend_size, 0, gp.Style.LegendPadding);
const ImRect legend_bb(legend_pos, legend_pos + legend_size);
interactable = interactable && bb_frame.Contains(ImGui::GetIO().MousePos);
// render legend box
ImU32 col_bg = GetStyleColorU32(ImPlotCol_LegendBg);
ImU32 col_bd = GetStyleColorU32(ImPlotCol_LegendBorder);
DrawList.AddRectFilled(legend_bb.Min, legend_bb.Max, col_bg);
DrawList.AddRect(legend_bb.Min, legend_bb.Max, col_bd);
// render entries
ShowLegendEntries(plot->Items, legend_bb, interactable, gp.Style.LegendInnerPadding, gp.Style.LegendSpacing, vertical, DrawList);
}
DrawList.PopClipRect();
}
//-----------------------------------------------------------------------------
// [SECTION] Drag and Drop Utils
//-----------------------------------------------------------------------------
bool BeginDragDropTargetPlot() {
SetupLock();
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ImPlotContext& gp = *GImPlot;
ImRect rect = gp.CurrentPlot->PlotRect;
return ImGui::BeginDragDropTargetCustom(rect, gp.CurrentPlot->ID);
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}
bool BeginDragDropTargetAxis(ImAxis axis) {
SetupLock();
ImPlotPlot& plot = *GImPlot->CurrentPlot;
ImPlotAxis& ax = plot.Axes[axis];
ImRect rect = ax.HoverRect;
rect.Expand(-3.5f);
return ImGui::BeginDragDropTargetCustom(rect, ax.ID);
}
bool BeginDragDropTargetLegend() {
SetupLock();
ImPlotItemGroup& items = *GImPlot->CurrentItems;
ImRect rect = items.Legend.Rect;
return ImGui::BeginDragDropTargetCustom(rect, items.ID);
}
void EndDragDropTarget() {
SetupLock();
ImGui::EndDragDropTarget();
}
bool BeginDragDropSourcePlot(ImGuiDragDropFlags flags) {
SetupLock();
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ImPlotContext& gp = *GImPlot;
ImPlotPlot* plot = gp.CurrentPlot;
if (GImGui->IO.KeyMods == gp.InputMap.OverrideMod || GImGui->DragDropPayload.SourceId == plot->ID)
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return ImGui::ItemAdd(plot->PlotRect, plot->ID) && ImGui::BeginDragDropSource(flags);
return false;
}
bool BeginDragDropSourceAxis(ImAxis idx, ImGuiDragDropFlags flags) {
SetupLock();
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ImPlotContext& gp = *GImPlot;
ImPlotAxis& axis = gp.CurrentPlot->Axes[idx];
if (GImGui->IO.KeyMods == gp.InputMap.OverrideMod || GImGui->DragDropPayload.SourceId == axis.ID)
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return ImGui::ItemAdd(axis.HoverRect, axis.ID) && ImGui::BeginDragDropSource(flags);
return false;
}
bool BeginDragDropSourceItem(const char* label_id, ImGuiDragDropFlags flags) {
SetupLock();
ImPlotContext& gp = *GImPlot;
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IM_ASSERT_USER_ERROR(gp.CurrentItems != nullptr, "BeginDragDropSourceItem() needs to be called within an itemized context!");
ImGuiID item_id = ImGui::GetIDWithSeed(label_id, nullptr, gp.CurrentItems->ID);
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ImPlotItem* item = gp.CurrentItems->GetItem(item_id);
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if (item != nullptr) {
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return ImGui::ItemAdd(item->LegendHoverRect, item->ID) && ImGui::BeginDragDropSource(flags);
}
return false;
}
void EndDragDropSource() {
SetupLock();
ImGui::EndDragDropSource();
}
//-----------------------------------------------------------------------------
// [SECTION] Aligned Plots
//-----------------------------------------------------------------------------
bool BeginAlignedPlots(const char* group_id, bool vertical) {
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IM_ASSERT_USER_ERROR(GImPlot != nullptr, "No current context. Did you call ImPlot::CreateContext() or ImPlot::SetCurrentContext()?");
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ImPlotContext& gp = *GImPlot;
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IM_ASSERT_USER_ERROR(gp.CurrentAlignmentH == nullptr && gp.CurrentAlignmentV == nullptr, "Mismatched BeginAlignedPlots()/EndAlignedPlots()!");
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ImGuiContext &G = *GImGui;
ImGuiWindow * Window = G.CurrentWindow;
if (Window->SkipItems)
return false;
const ImGuiID ID = Window->GetID(group_id);
ImPlotAlignmentData* alignment = gp.AlignmentData.GetOrAddByKey(ID);
if (vertical)
gp.CurrentAlignmentV = alignment;
else
gp.CurrentAlignmentH = alignment;
if (alignment->Vertical != vertical)
alignment->Reset();
alignment->Vertical = vertical;
alignment->Begin();
return true;
}
void EndAlignedPlots() {
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IM_ASSERT_USER_ERROR(GImPlot != nullptr, "No current context. Did you call ImPlot::CreateContext() or ImPlot::SetCurrentContext()?");
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ImPlotContext& gp = *GImPlot;
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IM_ASSERT_USER_ERROR(gp.CurrentAlignmentH != nullptr || gp.CurrentAlignmentV != nullptr, "Mismatched BeginAlignedPlots()/EndAlignedPlots()!");
ImPlotAlignmentData* alignment = gp.CurrentAlignmentH != nullptr ? gp.CurrentAlignmentH : (gp.CurrentAlignmentV != nullptr ? gp.CurrentAlignmentV : nullptr);
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if (alignment)
alignment->End();
ResetCtxForNextAlignedPlots(GImPlot);
}
//-----------------------------------------------------------------------------
// [SECTION] Plot and Item Styling
//-----------------------------------------------------------------------------
ImPlotStyle& GetStyle() {
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IM_ASSERT_USER_ERROR(GImPlot != nullptr, "No current context. Did you call ImPlot::CreateContext() or ImPlot::SetCurrentContext()?");
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ImPlotContext& gp = *GImPlot;
return gp.Style;
}
void PushStyleColor(ImPlotCol idx, ImU32 col) {
ImPlotContext& gp = *GImPlot;
ImGuiColorMod backup;
backup.Col = (ImGuiCol)idx;
backup.BackupValue = gp.Style.Colors[idx];
gp.ColorModifiers.push_back(backup);
gp.Style.Colors[idx] = ImGui::ColorConvertU32ToFloat4(col);
}
void PushStyleColor(ImPlotCol idx, const ImVec4& col) {
ImPlotContext& gp = *GImPlot;
ImGuiColorMod backup;
backup.Col = (ImGuiCol)idx;
backup.BackupValue = gp.Style.Colors[idx];
gp.ColorModifiers.push_back(backup);
gp.Style.Colors[idx] = col;
}
void PopStyleColor(int count) {
ImPlotContext& gp = *GImPlot;
IM_ASSERT_USER_ERROR(count <= gp.ColorModifiers.Size, "You can't pop more modifiers than have been pushed!");
while (count > 0)
{
ImGuiColorMod& backup = gp.ColorModifiers.back();
gp.Style.Colors[backup.Col] = backup.BackupValue;
gp.ColorModifiers.pop_back();
count--;
}
}
void PushStyleVar(ImPlotStyleVar idx, float val) {
ImPlotContext& gp = *GImPlot;
const ImPlotStyleVarInfo* var_info = GetPlotStyleVarInfo(idx);
if (var_info->Type == ImGuiDataType_Float && var_info->Count == 1) {
float* pvar = (float*)var_info->GetVarPtr(&gp.Style);
gp.StyleModifiers.push_back(ImGuiStyleMod((ImGuiStyleVar)idx, *pvar));
*pvar = val;
return;
}
IM_ASSERT(0 && "Called PushStyleVar() float variant but variable is not a float!");
}
void PushStyleVar(ImPlotStyleVar idx, int val) {
ImPlotContext& gp = *GImPlot;
const ImPlotStyleVarInfo* var_info = GetPlotStyleVarInfo(idx);
if (var_info->Type == ImGuiDataType_S32 && var_info->Count == 1) {
int* pvar = (int*)var_info->GetVarPtr(&gp.Style);
gp.StyleModifiers.push_back(ImGuiStyleMod((ImGuiStyleVar)idx, *pvar));
*pvar = val;
return;
}
else if (var_info->Type == ImGuiDataType_Float && var_info->Count == 1) {
float* pvar = (float*)var_info->GetVarPtr(&gp.Style);
gp.StyleModifiers.push_back(ImGuiStyleMod((ImGuiStyleVar)idx, *pvar));
*pvar = (float)val;
return;
}
IM_ASSERT(0 && "Called PushStyleVar() int variant but variable is not a int!");
}
void PushStyleVar(ImPlotStyleVar idx, const ImVec2& val)
{
ImPlotContext& gp = *GImPlot;
const ImPlotStyleVarInfo* var_info = GetPlotStyleVarInfo(idx);
if (var_info->Type == ImGuiDataType_Float && var_info->Count == 2)
{
ImVec2* pvar = (ImVec2*)var_info->GetVarPtr(&gp.Style);
gp.StyleModifiers.push_back(ImGuiStyleMod((ImGuiStyleVar)idx, *pvar));
*pvar = val;
return;
}
IM_ASSERT(0 && "Called PushStyleVar() ImVec2 variant but variable is not a ImVec2!");
}
void PopStyleVar(int count) {
ImPlotContext& gp = *GImPlot;
IM_ASSERT_USER_ERROR(count <= gp.StyleModifiers.Size, "You can't pop more modifiers than have been pushed!");
while (count > 0) {
ImGuiStyleMod& backup = gp.StyleModifiers.back();
const ImPlotStyleVarInfo* info = GetPlotStyleVarInfo(backup.VarIdx);
void* data = info->GetVarPtr(&gp.Style);
if (info->Type == ImGuiDataType_Float && info->Count == 1) {
((float*)data)[0] = backup.BackupFloat[0];
}
else if (info->Type == ImGuiDataType_Float && info->Count == 2) {
((float*)data)[0] = backup.BackupFloat[0];
((float*)data)[1] = backup.BackupFloat[1];
}
else if (info->Type == ImGuiDataType_S32 && info->Count == 1) {
((int*)data)[0] = backup.BackupInt[0];
}
gp.StyleModifiers.pop_back();
count--;
}
}
//------------------------------------------------------------------------------
// [Section] Colormaps
//------------------------------------------------------------------------------
ImPlotColormap AddColormap(const char* name, const ImVec4* colormap, int size, bool qual) {
ImPlotContext& gp = *GImPlot;
IM_ASSERT_USER_ERROR(size > 1, "The colormap size must be greater than 1!");
IM_ASSERT_USER_ERROR(gp.ColormapData.GetIndex(name) == -1, "The colormap name has already been used!");
ImVector<ImU32> buffer;
buffer.resize(size);
for (int i = 0; i < size; ++i)
buffer[i] = ImGui::ColorConvertFloat4ToU32(colormap[i]);
return gp.ColormapData.Append(name, buffer.Data, size, qual);
}
ImPlotColormap AddColormap(const char* name, const ImU32* colormap, int size, bool qual) {
ImPlotContext& gp = *GImPlot;
IM_ASSERT_USER_ERROR(size > 1, "The colormap size must be greater than 1!");
IM_ASSERT_USER_ERROR(gp.ColormapData.GetIndex(name) == -1, "The colormap name has already be used!");
return gp.ColormapData.Append(name, colormap, size, qual);
}
int GetColormapCount() {
ImPlotContext& gp = *GImPlot;
return gp.ColormapData.Count;
}
const char* GetColormapName(ImPlotColormap colormap) {
ImPlotContext& gp = *GImPlot;
return gp.ColormapData.GetName(colormap);
}
ImPlotColormap GetColormapIndex(const char* name) {
ImPlotContext& gp = *GImPlot;
return gp.ColormapData.GetIndex(name);
}
void PushColormap(ImPlotColormap colormap) {
ImPlotContext& gp = *GImPlot;
IM_ASSERT_USER_ERROR(colormap >= 0 && colormap < gp.ColormapData.Count, "The colormap index is invalid!");
gp.ColormapModifiers.push_back(gp.Style.Colormap);
gp.Style.Colormap = colormap;
}
void PushColormap(const char* name) {
ImPlotContext& gp = *GImPlot;
ImPlotColormap idx = gp.ColormapData.GetIndex(name);
IM_ASSERT_USER_ERROR(idx != -1, "The colormap name is invalid!");
PushColormap(idx);
}
void PopColormap(int count) {
ImPlotContext& gp = *GImPlot;
IM_ASSERT_USER_ERROR(count <= gp.ColormapModifiers.Size, "You can't pop more modifiers than have been pushed!");
while (count > 0) {
const ImPlotColormap& backup = gp.ColormapModifiers.back();
gp.Style.Colormap = backup;
gp.ColormapModifiers.pop_back();
count--;
}
}
ImU32 NextColormapColorU32() {
ImPlotContext& gp = *GImPlot;
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IM_ASSERT_USER_ERROR(gp.CurrentItems != nullptr, "NextColormapColor() needs to be called between BeginPlot() and EndPlot()!");
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int idx = gp.CurrentItems->ColormapIdx % gp.ColormapData.GetKeyCount(gp.Style.Colormap);
ImU32 col = gp.ColormapData.GetKeyColor(gp.Style.Colormap, idx);
gp.CurrentItems->ColormapIdx++;
return col;
}
ImVec4 NextColormapColor() {
return ImGui::ColorConvertU32ToFloat4(NextColormapColorU32());
}
int GetColormapSize(ImPlotColormap cmap) {
ImPlotContext& gp = *GImPlot;
cmap = cmap == IMPLOT_AUTO ? gp.Style.Colormap : cmap;
IM_ASSERT_USER_ERROR(cmap >= 0 && cmap < gp.ColormapData.Count, "Invalid colormap index!");
return gp.ColormapData.GetKeyCount(cmap);
}
ImU32 GetColormapColorU32(int idx, ImPlotColormap cmap) {
ImPlotContext& gp = *GImPlot;
cmap = cmap == IMPLOT_AUTO ? gp.Style.Colormap : cmap;
IM_ASSERT_USER_ERROR(cmap >= 0 && cmap < gp.ColormapData.Count, "Invalid colormap index!");
idx = idx % gp.ColormapData.GetKeyCount(cmap);
return gp.ColormapData.GetKeyColor(cmap, idx);
}
ImVec4 GetColormapColor(int idx, ImPlotColormap cmap) {
return ImGui::ColorConvertU32ToFloat4(GetColormapColorU32(idx,cmap));
}
ImU32 SampleColormapU32(float t, ImPlotColormap cmap) {
ImPlotContext& gp = *GImPlot;
cmap = cmap == IMPLOT_AUTO ? gp.Style.Colormap : cmap;
IM_ASSERT_USER_ERROR(cmap >= 0 && cmap < gp.ColormapData.Count, "Invalid colormap index!");
return gp.ColormapData.LerpTable(cmap, t);
}
ImVec4 SampleColormap(float t, ImPlotColormap cmap) {
return ImGui::ColorConvertU32ToFloat4(SampleColormapU32(t,cmap));
}
void RenderColorBar(const ImU32* colors, int size, ImDrawList& DrawList, const ImRect& bounds, bool vert, bool reversed, bool continuous) {
const int n = continuous ? size - 1 : size;
ImU32 col1, col2;
if (vert) {
const float step = bounds.GetHeight() / n;
ImRect rect(bounds.Min.x, bounds.Min.y, bounds.Max.x, bounds.Min.y + step);
for (int i = 0; i < n; ++i) {
if (reversed) {
col1 = colors[size-i-1];
col2 = continuous ? colors[size-i-2] : col1;
}
else {
col1 = colors[i];
col2 = continuous ? colors[i+1] : col1;
}
DrawList.AddRectFilledMultiColor(rect.Min, rect.Max, col1, col1, col2, col2);
rect.TranslateY(step);
}
}
else {
const float step = bounds.GetWidth() / n;
ImRect rect(bounds.Min.x, bounds.Min.y, bounds.Min.x + step, bounds.Max.y);
for (int i = 0; i < n; ++i) {
if (reversed) {
col1 = colors[size-i-1];
col2 = continuous ? colors[size-i-2] : col1;
}
else {
col1 = colors[i];
col2 = continuous ? colors[i+1] : col1;
}
DrawList.AddRectFilledMultiColor(rect.Min, rect.Max, col1, col2, col2, col1);
rect.TranslateX(step);
}
}
}
void ColormapScale(const char* label, double scale_min, double scale_max, const ImVec2& size, const char* format, ImPlotColormapScaleFlags flags, ImPlotColormap cmap) {
ImGuiContext &G = *GImGui;
ImGuiWindow * Window = G.CurrentWindow;
if (Window->SkipItems)
return;
const ImGuiID ID = Window->GetID(label);
ImVec2 label_size(0,0);
if (!ImHasFlag(flags, ImPlotColormapScaleFlags_NoLabel)) {
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label_size = ImGui::CalcTextSize(label,nullptr,true);
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}
ImPlotContext& gp = *GImPlot;
cmap = cmap == IMPLOT_AUTO ? gp.Style.Colormap : cmap;
IM_ASSERT_USER_ERROR(cmap >= 0 && cmap < gp.ColormapData.Count, "Invalid colormap index!");
ImVec2 frame_size = ImGui::CalcItemSize(size, 0, gp.Style.PlotDefaultSize.y);
if (frame_size.y < gp.Style.PlotMinSize.y && size.y < 0.0f)
frame_size.y = gp.Style.PlotMinSize.y;
ImPlotRange range(ImMin(scale_min,scale_max), ImMax(scale_min,scale_max));
gp.CTicker.Reset();
Locator_Default(gp.CTicker, range, frame_size.y, true, Formatter_Default, (void*)format);
const bool rend_label = label_size.x > 0;
const float txt_off = gp.Style.LabelPadding.x;
const float pad = txt_off + gp.CTicker.MaxSize.x + (rend_label ? txt_off + label_size.y : 0);
float bar_w = 20;
if (frame_size.x == 0)
frame_size.x = bar_w + pad + 2 * gp.Style.PlotPadding.x;
else {
bar_w = frame_size.x - (pad + 2 * gp.Style.PlotPadding.x);
if (bar_w < gp.Style.MajorTickLen.y)
bar_w = gp.Style.MajorTickLen.y;
}
ImDrawList &DrawList = *Window->DrawList;
ImRect bb_frame = ImRect(Window->DC.CursorPos, Window->DC.CursorPos + frame_size);
ImGui::ItemSize(bb_frame);
if (!ImGui::ItemAdd(bb_frame, ID, &bb_frame))
return;
ImGui::RenderFrame(bb_frame.Min, bb_frame.Max, GetStyleColorU32(ImPlotCol_FrameBg), true, G.Style.FrameRounding);
const bool opposite = ImHasFlag(flags, ImPlotColormapScaleFlags_Opposite);
const bool inverted = ImHasFlag(flags, ImPlotColormapScaleFlags_Invert);
const bool reversed = scale_min > scale_max;
float bb_grad_shift = opposite ? pad : 0;
ImRect bb_grad(bb_frame.Min + gp.Style.PlotPadding + ImVec2(bb_grad_shift, 0),
bb_frame.Min + ImVec2(bar_w + gp.Style.PlotPadding.x + bb_grad_shift,
frame_size.y - gp.Style.PlotPadding.y));
ImGui::PushClipRect(bb_frame.Min, bb_frame.Max, true);
const ImU32 col_text = ImGui::GetColorU32(ImGuiCol_Text);
const bool invert_scale = inverted ? (reversed ? false : true) : (reversed ? true : false);
const float y_min = invert_scale ? bb_grad.Max.y : bb_grad.Min.y;
const float y_max = invert_scale ? bb_grad.Min.y : bb_grad.Max.y;
RenderColorBar(gp.ColormapData.GetKeys(cmap), gp.ColormapData.GetKeyCount(cmap), DrawList, bb_grad, true, !inverted, !gp.ColormapData.IsQual(cmap));
for (int i = 0; i < gp.CTicker.TickCount(); ++i) {
const double y_pos_plt = gp.CTicker.Ticks[i].PlotPos;
const float y_pos = ImRemap((float)y_pos_plt, (float)range.Max, (float)range.Min, y_min, y_max);
const float tick_width = gp.CTicker.Ticks[i].Major ? gp.Style.MajorTickLen.y : gp.Style.MinorTickLen.y;
const float tick_thick = gp.CTicker.Ticks[i].Major ? gp.Style.MajorTickSize.y : gp.Style.MinorTickSize.y;
const float tick_t = (float)((y_pos_plt - scale_min) / (scale_max - scale_min));
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const ImU32 tick_col = CalcTextColor(gp.ColormapData.LerpTable(cmap,tick_t));
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if (y_pos < bb_grad.Max.y - 2 && y_pos > bb_grad.Min.y + 2) {
DrawList.AddLine(opposite ? ImVec2(bb_grad.Min.x+1, y_pos) : ImVec2(bb_grad.Max.x-1, y_pos),
opposite ? ImVec2(bb_grad.Min.x + tick_width, y_pos) : ImVec2(bb_grad.Max.x - tick_width, y_pos),
tick_col,
tick_thick);
}
const float txt_x = opposite ? bb_grad.Min.x - txt_off - gp.CTicker.Ticks[i].LabelSize.x : bb_grad.Max.x + txt_off;
const float txt_y = y_pos - gp.CTicker.Ticks[i].LabelSize.y * 0.5f;
DrawList.AddText(ImVec2(txt_x, txt_y), col_text, gp.CTicker.GetText(i));
}
if (rend_label) {
const float pos_x = opposite ? bb_frame.Min.x + gp.Style.PlotPadding.x : bb_grad.Max.x + 2 * txt_off + gp.CTicker.MaxSize.x;
const float pos_y = bb_grad.GetCenter().y + label_size.x * 0.5f;
const char* label_end = ImGui::FindRenderedTextEnd(label);
AddTextVertical(&DrawList,ImVec2(pos_x,pos_y),col_text,label,label_end);
}
DrawList.AddRect(bb_grad.Min, bb_grad.Max, GetStyleColorU32(ImPlotCol_PlotBorder));
ImGui::PopClipRect();
}
bool ColormapSlider(const char* label, float* t, ImVec4* out, const char* format, ImPlotColormap cmap) {
*t = ImClamp(*t,0.0f,1.0f);
ImGuiContext &G = *GImGui;
ImGuiWindow * Window = G.CurrentWindow;
if (Window->SkipItems)
return false;
ImPlotContext& gp = *GImPlot;
cmap = cmap == IMPLOT_AUTO ? gp.Style.Colormap : cmap;
IM_ASSERT_USER_ERROR(cmap >= 0 && cmap < gp.ColormapData.Count, "Invalid colormap index!");
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const ImU32* keys = gp.ColormapData.GetKeys(cmap);
const int count = gp.ColormapData.GetKeyCount(cmap);
const bool qual = gp.ColormapData.IsQual(cmap);
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const ImVec2 pos = ImGui::GetCurrentWindow()->DC.CursorPos;
const float w = ImGui::CalcItemWidth();
const float h = ImGui::GetFrameHeight();
const ImRect rect = ImRect(pos.x,pos.y,pos.x+w,pos.y+h);
RenderColorBar(keys,count,*ImGui::GetWindowDrawList(),rect,false,false,!qual);
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const ImU32 grab = CalcTextColor(gp.ColormapData.LerpTable(cmap,*t));
// const ImU32 text = CalcTextColor(gp.ColormapData.LerpTable(cmap,0.5f));
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ImGui::PushStyleColor(ImGuiCol_FrameBg,IM_COL32_BLACK_TRANS);
ImGui::PushStyleColor(ImGuiCol_FrameBgActive,IM_COL32_BLACK_TRANS);
ImGui::PushStyleColor(ImGuiCol_FrameBgHovered,ImVec4(1,1,1,0.1f));
ImGui::PushStyleColor(ImGuiCol_SliderGrab,grab);
ImGui::PushStyleColor(ImGuiCol_SliderGrabActive, grab);
ImGui::PushStyleVar(ImGuiStyleVar_GrabMinSize,2);
ImGui::PushStyleVar(ImGuiStyleVar_FrameRounding,0);
const bool changed = ImGui::SliderFloat(label,t,0,1,format);
ImGui::PopStyleColor(5);
ImGui::PopStyleVar(2);
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if (out != nullptr)
*out = ImGui::ColorConvertU32ToFloat4(gp.ColormapData.LerpTable(cmap,*t));
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return changed;
}
bool ColormapButton(const char* label, const ImVec2& size_arg, ImPlotColormap cmap) {
ImGuiContext &G = *GImGui;
const ImGuiStyle& style = G.Style;
ImGuiWindow * Window = G.CurrentWindow;
if (Window->SkipItems)
return false;
ImPlotContext& gp = *GImPlot;
cmap = cmap == IMPLOT_AUTO ? gp.Style.Colormap : cmap;
IM_ASSERT_USER_ERROR(cmap >= 0 && cmap < gp.ColormapData.Count, "Invalid colormap index!");
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const ImU32* keys = gp.ColormapData.GetKeys(cmap);
const int count = gp.ColormapData.GetKeyCount(cmap);
const bool qual = gp.ColormapData.IsQual(cmap);
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const ImVec2 pos = ImGui::GetCurrentWindow()->DC.CursorPos;
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const ImVec2 label_size = ImGui::CalcTextSize(label, nullptr, true);
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ImVec2 size = ImGui::CalcItemSize(size_arg, label_size.x + style.FramePadding.x * 2.0f, label_size.y + style.FramePadding.y * 2.0f);
const ImRect rect = ImRect(pos.x,pos.y,pos.x+size.x,pos.y+size.y);
RenderColorBar(keys,count,*ImGui::GetWindowDrawList(),rect,false,false,!qual);
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const ImU32 text = CalcTextColor(gp.ColormapData.LerpTable(cmap,G.Style.ButtonTextAlign.x));
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ImGui::PushStyleColor(ImGuiCol_Button,IM_COL32_BLACK_TRANS);
ImGui::PushStyleColor(ImGuiCol_ButtonHovered,ImVec4(1,1,1,0.1f));
ImGui::PushStyleColor(ImGuiCol_ButtonActive,ImVec4(1,1,1,0.2f));
ImGui::PushStyleColor(ImGuiCol_Text,text);
ImGui::PushStyleVar(ImGuiStyleVar_FrameRounding,0);
const bool pressed = ImGui::Button(label,size);
ImGui::PopStyleColor(4);
ImGui::PopStyleVar(1);
return pressed;
}
//-----------------------------------------------------------------------------
// [Section] Miscellaneous
//-----------------------------------------------------------------------------
ImPlotInputMap& GetInputMap() {
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IM_ASSERT_USER_ERROR(GImPlot != nullptr, "No current context. Did you call ImPlot::CreateContext() or ImPlot::SetCurrentContext()?");
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ImPlotContext& gp = *GImPlot;
return gp.InputMap;
}
void MapInputDefault(ImPlotInputMap* dst) {
ImPlotInputMap& map = dst ? *dst : GetInputMap();
map.Pan = ImGuiMouseButton_Left;
map.PanMod = ImGuiMod_None;
map.Fit = ImGuiMouseButton_Left;
map.Menu = ImGuiMouseButton_Right;
map.Select = ImGuiMouseButton_Right;
map.SelectMod = ImGuiMod_None;
map.SelectCancel = ImGuiMouseButton_Left;
map.SelectHorzMod = ImGuiMod_Alt;
map.SelectVertMod = ImGuiMod_Shift;
map.OverrideMod = ImGuiMod_Ctrl;
map.ZoomMod = ImGuiMod_None;
map.ZoomRate = 0.1f;
}
void MapInputReverse(ImPlotInputMap* dst) {
ImPlotInputMap& map = dst ? *dst : GetInputMap();
map.Pan = ImGuiMouseButton_Right;
map.PanMod = ImGuiMod_None;
map.Fit = ImGuiMouseButton_Left;
map.Menu = ImGuiMouseButton_Right;
map.Select = ImGuiMouseButton_Left;
map.SelectMod = ImGuiMod_None;
map.SelectCancel = ImGuiMouseButton_Right;
map.SelectHorzMod = ImGuiMod_Alt;
map.SelectVertMod = ImGuiMod_Shift;
map.OverrideMod = ImGuiMod_Ctrl;
map.ZoomMod = ImGuiMod_None;
map.ZoomRate = 0.1f;
}
//-----------------------------------------------------------------------------
// [Section] Miscellaneous
//-----------------------------------------------------------------------------
void ItemIcon(const ImVec4& col) {
ItemIcon(ImGui::ColorConvertFloat4ToU32(col));
}
void ItemIcon(ImU32 col) {
const float txt_size = ImGui::GetTextLineHeight();
ImVec2 size(txt_size-4,txt_size);
ImGuiWindow* window = ImGui::GetCurrentWindow();
ImVec2 pos = window->DC.CursorPos;
ImGui::GetWindowDrawList()->AddRectFilled(pos + ImVec2(0,2), pos + size - ImVec2(0,2), col);
ImGui::Dummy(size);
}
void ColormapIcon(ImPlotColormap cmap) {
ImPlotContext& gp = *GImPlot;
const float txt_size = ImGui::GetTextLineHeight();
ImVec2 size(txt_size-4,txt_size);
ImGuiWindow* window = ImGui::GetCurrentWindow();
ImVec2 pos = window->DC.CursorPos;
ImRect rect(pos+ImVec2(0,2),pos+size-ImVec2(0,2));
ImDrawList& DrawList = *ImGui::GetWindowDrawList();
RenderColorBar(gp.ColormapData.GetKeys(cmap),gp.ColormapData.GetKeyCount(cmap),DrawList,rect,false,false,!gp.ColormapData.IsQual(cmap));
ImGui::Dummy(size);
}
ImDrawList* GetPlotDrawList() {
return ImGui::GetWindowDrawList();
}
void PushPlotClipRect(float expand) {
ImPlotContext& gp = *GImPlot;
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IM_ASSERT_USER_ERROR(gp.CurrentPlot != nullptr, "PushPlotClipRect() needs to be called between BeginPlot() and EndPlot()!");
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SetupLock();
ImRect rect = gp.CurrentPlot->PlotRect;
rect.Expand(expand);
ImGui::PushClipRect(rect.Min, rect.Max, true);
}
void PopPlotClipRect() {
SetupLock();
ImGui::PopClipRect();
}
static void HelpMarker(const char* desc) {
ImGui::TextDisabled("(?)");
if (ImGui::IsItemHovered()) {
ImGui::BeginTooltip();
ImGui::PushTextWrapPos(ImGui::GetFontSize() * 35.0f);
ImGui::TextUnformatted(desc);
ImGui::PopTextWrapPos();
ImGui::EndTooltip();
}
}
bool ShowStyleSelector(const char* label)
{
static int style_idx = -1;
if (ImGui::Combo(label, &style_idx, "Auto\0Classic\0Dark\0Light\0"))
{
switch (style_idx)
{
case 0: StyleColorsAuto(); break;
case 1: StyleColorsClassic(); break;
case 2: StyleColorsDark(); break;
case 3: StyleColorsLight(); break;
}
return true;
}
return false;
}
bool ShowColormapSelector(const char* label) {
ImPlotContext& gp = *GImPlot;
bool set = false;
if (ImGui::BeginCombo(label, gp.ColormapData.GetName(gp.Style.Colormap))) {
for (int i = 0; i < gp.ColormapData.Count; ++i) {
const char* name = gp.ColormapData.GetName(i);
if (ImGui::Selectable(name, gp.Style.Colormap == i)) {
gp.Style.Colormap = i;
ImPlot::BustItemCache();
set = true;
}
}
ImGui::EndCombo();
}
return set;
}
bool ShowInputMapSelector(const char* label) {
static int map_idx = -1;
if (ImGui::Combo(label, &map_idx, "Default\0Reversed\0"))
{
switch (map_idx)
{
case 0: MapInputDefault(); break;
case 1: MapInputReverse(); break;
}
return true;
}
return false;
}
void ShowStyleEditor(ImPlotStyle* ref) {
ImPlotContext& gp = *GImPlot;
ImPlotStyle& style = GetStyle();
static ImPlotStyle ref_saved_style;
// Default to using internal storage as reference
static bool init = true;
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if (init && ref == nullptr)
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ref_saved_style = style;
init = false;
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if (ref == nullptr)
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ref = &ref_saved_style;
if (ImPlot::ShowStyleSelector("Colors##Selector"))
ref_saved_style = style;
// Save/Revert button
if (ImGui::Button("Save Ref"))
*ref = ref_saved_style = style;
ImGui::SameLine();
if (ImGui::Button("Revert Ref"))
style = *ref;
ImGui::SameLine();
HelpMarker("Save/Revert in local non-persistent storage. Default Colors definition are not affected. "
"Use \"Export\" below to save them somewhere.");
if (ImGui::BeginTabBar("##StyleEditor")) {
if (ImGui::BeginTabItem("Variables")) {
ImGui::Text("Item Styling");
ImGui::SliderFloat("LineWeight", &style.LineWeight, 0.0f, 5.0f, "%.1f");
ImGui::SliderFloat("MarkerSize", &style.MarkerSize, 2.0f, 10.0f, "%.1f");
ImGui::SliderFloat("MarkerWeight", &style.MarkerWeight, 0.0f, 5.0f, "%.1f");
ImGui::SliderFloat("FillAlpha", &style.FillAlpha, 0.0f, 1.0f, "%.2f");
ImGui::SliderFloat("ErrorBarSize", &style.ErrorBarSize, 0.0f, 10.0f, "%.1f");
ImGui::SliderFloat("ErrorBarWeight", &style.ErrorBarWeight, 0.0f, 5.0f, "%.1f");
ImGui::SliderFloat("DigitalBitHeight", &style.DigitalBitHeight, 0.0f, 20.0f, "%.1f");
ImGui::SliderFloat("DigitalBitGap", &style.DigitalBitGap, 0.0f, 20.0f, "%.1f");
ImGui::Text("Plot Styling");
ImGui::SliderFloat("PlotBorderSize", &style.PlotBorderSize, 0.0f, 2.0f, "%.0f");
ImGui::SliderFloat("MinorAlpha", &style.MinorAlpha, 0.0f, 1.0f, "%.2f");
ImGui::SliderFloat2("MajorTickLen", (float*)&style.MajorTickLen, 0.0f, 20.0f, "%.0f");
ImGui::SliderFloat2("MinorTickLen", (float*)&style.MinorTickLen, 0.0f, 20.0f, "%.0f");
ImGui::SliderFloat2("MajorTickSize", (float*)&style.MajorTickSize, 0.0f, 2.0f, "%.1f");
ImGui::SliderFloat2("MinorTickSize", (float*)&style.MinorTickSize, 0.0f, 2.0f, "%.1f");
ImGui::SliderFloat2("MajorGridSize", (float*)&style.MajorGridSize, 0.0f, 2.0f, "%.1f");
ImGui::SliderFloat2("MinorGridSize", (float*)&style.MinorGridSize, 0.0f, 2.0f, "%.1f");
ImGui::SliderFloat2("PlotDefaultSize", (float*)&style.PlotDefaultSize, 0.0f, 1000, "%.0f");
ImGui::SliderFloat2("PlotMinSize", (float*)&style.PlotMinSize, 0.0f, 300, "%.0f");
ImGui::Text("Plot Padding");
ImGui::SliderFloat2("PlotPadding", (float*)&style.PlotPadding, 0.0f, 20.0f, "%.0f");
ImGui::SliderFloat2("LabelPadding", (float*)&style.LabelPadding, 0.0f, 20.0f, "%.0f");
ImGui::SliderFloat2("LegendPadding", (float*)&style.LegendPadding, 0.0f, 20.0f, "%.0f");
ImGui::SliderFloat2("LegendInnerPadding", (float*)&style.LegendInnerPadding, 0.0f, 10.0f, "%.0f");
ImGui::SliderFloat2("LegendSpacing", (float*)&style.LegendSpacing, 0.0f, 5.0f, "%.0f");
ImGui::SliderFloat2("MousePosPadding", (float*)&style.MousePosPadding, 0.0f, 20.0f, "%.0f");
ImGui::SliderFloat2("AnnotationPadding", (float*)&style.AnnotationPadding, 0.0f, 5.0f, "%.0f");
ImGui::SliderFloat2("FitPadding", (float*)&style.FitPadding, 0, 0.2f, "%.2f");
ImGui::EndTabItem();
}
if (ImGui::BeginTabItem("Colors")) {
static int output_dest = 0;
static bool output_only_modified = false;
if (ImGui::Button("Export", ImVec2(75,0))) {
if (output_dest == 0)
ImGui::LogToClipboard();
else
ImGui::LogToTTY();
ImGui::LogText("ImVec4* colors = ImPlot::GetStyle().Colors;\n");
for (int i = 0; i < ImPlotCol_COUNT; i++) {
const ImVec4& col = style.Colors[i];
const char* name = ImPlot::GetStyleColorName(i);
if (!output_only_modified || memcmp(&col, &ref->Colors[i], sizeof(ImVec4)) != 0) {
if (IsColorAuto(i))
ImGui::LogText("colors[ImPlotCol_%s]%*s= IMPLOT_AUTO_COL;\n",name,14 - (int)strlen(name), "");
else
ImGui::LogText("colors[ImPlotCol_%s]%*s= ImVec4(%.2ff, %.2ff, %.2ff, %.2ff);\n",
name, 14 - (int)strlen(name), "", col.x, col.y, col.z, col.w);
}
}
ImGui::LogFinish();
}
ImGui::SameLine(); ImGui::SetNextItemWidth(120); ImGui::Combo("##output_type", &output_dest, "To Clipboard\0To TTY\0");
ImGui::SameLine(); ImGui::Checkbox("Only Modified Colors", &output_only_modified);
static ImGuiTextFilter filter;
filter.Draw("Filter colors", ImGui::GetFontSize() * 16);
static ImGuiColorEditFlags alpha_flags = ImGuiColorEditFlags_AlphaPreviewHalf;
if (ImGui::RadioButton("Opaque", alpha_flags == ImGuiColorEditFlags_None)) { alpha_flags = ImGuiColorEditFlags_None; } ImGui::SameLine();
if (ImGui::RadioButton("Alpha", alpha_flags == ImGuiColorEditFlags_AlphaPreview)) { alpha_flags = ImGuiColorEditFlags_AlphaPreview; } ImGui::SameLine();
if (ImGui::RadioButton("Both", alpha_flags == ImGuiColorEditFlags_AlphaPreviewHalf)) { alpha_flags = ImGuiColorEditFlags_AlphaPreviewHalf; } ImGui::SameLine();
HelpMarker(
"In the color list:\n"
"Left-click on colored square to open color picker,\n"
"Right-click to open edit options menu.");
ImGui::Separator();
ImGui::PushItemWidth(-160);
for (int i = 0; i < ImPlotCol_COUNT; i++) {
const char* name = ImPlot::GetStyleColorName(i);
if (!filter.PassFilter(name))
continue;
ImGui::PushID(i);
ImVec4 temp = GetStyleColorVec4(i);
const bool is_auto = IsColorAuto(i);
if (!is_auto)
ImGui::PushStyleVar(ImGuiStyleVar_Alpha, 0.25f);
if (ImGui::Button("Auto")) {
if (is_auto)
style.Colors[i] = temp;
else
style.Colors[i] = IMPLOT_AUTO_COL;
BustItemCache();
}
if (!is_auto)
ImGui::PopStyleVar();
ImGui::SameLine();
if (ImGui::ColorEdit4(name, &temp.x, ImGuiColorEditFlags_NoInputs | alpha_flags)) {
style.Colors[i] = temp;
BustItemCache();
}
if (memcmp(&style.Colors[i], &ref->Colors[i], sizeof(ImVec4)) != 0) {
ImGui::SameLine(175); if (ImGui::Button("Save")) { ref->Colors[i] = style.Colors[i]; }
ImGui::SameLine(); if (ImGui::Button("Revert")) {
style.Colors[i] = ref->Colors[i];
BustItemCache();
}
}
ImGui::PopID();
}
ImGui::PopItemWidth();
ImGui::Separator();
ImGui::Text("Colors that are set to Auto (i.e. IMPLOT_AUTO_COL) will\n"
"be automatically deduced from your ImGui style or the\n"
"current ImPlot Colormap. If you want to style individual\n"
"plot items, use Push/PopStyleColor around its function.");
ImGui::EndTabItem();
}
if (ImGui::BeginTabItem("Colormaps")) {
static int output_dest = 0;
if (ImGui::Button("Export", ImVec2(75,0))) {
if (output_dest == 0)
ImGui::LogToClipboard();
else
ImGui::LogToTTY();
int size = GetColormapSize();
const char* name = GetColormapName(gp.Style.Colormap);
ImGui::LogText("static const ImU32 %s_Data[%d] = {\n", name, size);
for (int i = 0; i < size; ++i) {
ImU32 col = GetColormapColorU32(i,gp.Style.Colormap);
ImGui::LogText(" %u%s\n", col, i == size - 1 ? "" : ",");
}
ImGui::LogText("};\nImPlotColormap %s = ImPlot::AddColormap(\"%s\", %s_Data, %d);", name, name, name, size);
ImGui::LogFinish();
}
ImGui::SameLine(); ImGui::SetNextItemWidth(120); ImGui::Combo("##output_type", &output_dest, "To Clipboard\0To TTY\0");
ImGui::SameLine();
static bool edit = false;
ImGui::Checkbox("Edit Mode",&edit);
// built-in/added
ImGui::Separator();
for (int i = 0; i < gp.ColormapData.Count; ++i) {
ImGui::PushID(i);
int size = gp.ColormapData.GetKeyCount(i);
bool selected = i == gp.Style.Colormap;
const char* name = GetColormapName(i);
if (!selected)
ImGui::PushStyleVar(ImGuiStyleVar_Alpha, 0.25f);
if (ImGui::Button(name, ImVec2(100,0))) {
gp.Style.Colormap = i;
BustItemCache();
}
if (!selected)
ImGui::PopStyleVar();
ImGui::SameLine();
ImGui::BeginGroup();
if (edit) {
for (int c = 0; c < size; ++c) {
ImGui::PushID(c);
ImVec4 col4 = ImGui::ColorConvertU32ToFloat4(gp.ColormapData.GetKeyColor(i,c));
if (ImGui::ColorEdit4("",&col4.x,ImGuiColorEditFlags_NoInputs)) {
ImU32 col32 = ImGui::ColorConvertFloat4ToU32(col4);
gp.ColormapData.SetKeyColor(i,c,col32);
BustItemCache();
}
if ((c + 1) % 12 != 0 && c != size -1)
ImGui::SameLine();
ImGui::PopID();
}
}
else {
if (ImPlot::ColormapButton("##",ImVec2(-1,0),i))
edit = true;
}
ImGui::EndGroup();
ImGui::PopID();
}
static ImVector<ImVec4> custom;
if (custom.Size == 0) {
custom.push_back(ImVec4(1,0,0,1));
custom.push_back(ImVec4(0,1,0,1));
custom.push_back(ImVec4(0,0,1,1));
}
ImGui::Separator();
ImGui::BeginGroup();
static char name[16] = "MyColormap";
if (ImGui::Button("+", ImVec2((100 - ImGui::GetStyle().ItemSpacing.x)/2,0)))
custom.push_back(ImVec4(0,0,0,1));
ImGui::SameLine();
if (ImGui::Button("-", ImVec2((100 - ImGui::GetStyle().ItemSpacing.x)/2,0)) && custom.Size > 2)
custom.pop_back();
ImGui::SetNextItemWidth(100);
ImGui::InputText("##Name",name,16,ImGuiInputTextFlags_CharsNoBlank);
static bool qual = true;
ImGui::Checkbox("Qualitative",&qual);
if (ImGui::Button("Add", ImVec2(100, 0)) && gp.ColormapData.GetIndex(name)==-1)
AddColormap(name,custom.Data,custom.Size,qual);
ImGui::EndGroup();
ImGui::SameLine();
ImGui::BeginGroup();
for (int c = 0; c < custom.Size; ++c) {
ImGui::PushID(c);
if (ImGui::ColorEdit4("##Col1", &custom[c].x, ImGuiColorEditFlags_NoInputs)) {
}
if ((c + 1) % 12 != 0)
ImGui::SameLine();
ImGui::PopID();
}
ImGui::EndGroup();
ImGui::EndTabItem();
}
ImGui::EndTabBar();
}
}
void ShowUserGuide() {
ImGui::BulletText("Left-click drag within the plot area to pan X and Y axes.");
ImGui::Indent();
ImGui::BulletText("Left-click drag on axis labels to pan an individual axis.");
ImGui::Unindent();
ImGui::BulletText("Scroll in the plot area to zoom both X any Y axes.");
ImGui::Indent();
ImGui::BulletText("Scroll on axis labels to zoom an individual axis.");
ImGui::Unindent();
ImGui::BulletText("Right-click drag to box select data.");
ImGui::Indent();
ImGui::BulletText("Hold Alt to expand box selection horizontally.");
ImGui::BulletText("Hold Shift to expand box selection vertically.");
ImGui::BulletText("Left-click while box selecting to cancel the selection.");
ImGui::Unindent();
ImGui::BulletText("Double left-click to fit all visible data.");
ImGui::Indent();
ImGui::BulletText("Double left-click axis labels to fit the individual axis.");
ImGui::Unindent();
ImGui::BulletText("Right-click open the full plot context menu.");
ImGui::Indent();
ImGui::BulletText("Right-click axis labels to open an individual axis context menu.");
ImGui::Unindent();
ImGui::BulletText("Click legend label icons to show/hide plot items.");
}
void ShowTicksMetrics(const ImPlotTicker& ticker) {
ImGui::BulletText("Size: %d", ticker.TickCount());
ImGui::BulletText("MaxSize: [%f,%f]", ticker.MaxSize.x, ticker.MaxSize.y);
}
void ShowAxisMetrics(const ImPlotPlot& plot, const ImPlotAxis& axis) {
ImGui::BulletText("Label: %s", axis.LabelOffset == -1 ? "[none]" : plot.GetAxisLabel(axis));
ImGui::BulletText("Flags: 0x%08X", axis.Flags);
ImGui::BulletText("Range: [%f,%f]",axis.Range.Min, axis.Range.Max);
ImGui::BulletText("Pixels: %f", axis.PixelSize());
ImGui::BulletText("Aspect: %f", axis.GetAspect());
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ImGui::BulletText(axis.OrthoAxis == nullptr ? "OrtherAxis: NULL" : "OrthoAxis: 0x%08X", axis.OrthoAxis->ID);
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ImGui::BulletText("LinkedMin: %p", (void*)axis.LinkedMin);
ImGui::BulletText("LinkedMax: %p", (void*)axis.LinkedMax);
ImGui::BulletText("HasRange: %s", axis.HasRange ? "true" : "false");
ImGui::BulletText("Hovered: %s", axis.Hovered ? "true" : "false");
ImGui::BulletText("Held: %s", axis.Held ? "true" : "false");
if (ImGui::TreeNode("Transform")) {
ImGui::BulletText("PixelMin: %f", axis.PixelMin);
ImGui::BulletText("PixelMax: %f", axis.PixelMax);
ImGui::BulletText("ScaleToPixel: %f", axis.ScaleToPixel);
ImGui::BulletText("ScaleMax: %f", axis.ScaleMax);
ImGui::TreePop();
}
if (ImGui::TreeNode("Ticks")) {
ShowTicksMetrics(axis.Ticker);
ImGui::TreePop();
}
}
void ShowMetricsWindow(bool* p_popen) {
static bool show_plot_rects = false;
static bool show_axes_rects = false;
static bool show_axis_rects = false;
static bool show_canvas_rects = false;
static bool show_frame_rects = false;
static bool show_subplot_frame_rects = false;
static bool show_subplot_grid_rects = false;
ImDrawList& fg = *ImGui::GetForegroundDrawList();
ImPlotContext& gp = *GImPlot;
// ImGuiContext& g = *GImGui;
ImGuiIO& io = ImGui::GetIO();
ImGui::Begin("ImPlot Metrics", p_popen);
ImGui::Text("ImPlot " IMPLOT_VERSION);
ImGui::Text("Application average %.3f ms/frame (%.1f FPS)", 1000.0f / io.Framerate, io.Framerate);
ImGui::Text("Mouse Position: [%.0f,%.0f]", io.MousePos.x, io.MousePos.y);
ImGui::Separator();
if (ImGui::TreeNode("Tools")) {
if (ImGui::Button("Bust Plot Cache"))
BustPlotCache();
ImGui::SameLine();
if (ImGui::Button("Bust Item Cache"))
BustItemCache();
ImGui::Checkbox("Show Frame Rects", &show_frame_rects);
ImGui::Checkbox("Show Canvas Rects",&show_canvas_rects);
ImGui::Checkbox("Show Plot Rects", &show_plot_rects);
ImGui::Checkbox("Show Axes Rects", &show_axes_rects);
ImGui::Checkbox("Show Axis Rects", &show_axis_rects);
ImGui::Checkbox("Show Subplot Frame Rects", &show_subplot_frame_rects);
ImGui::Checkbox("Show Subplot Grid Rects", &show_subplot_grid_rects);
ImGui::TreePop();
}
const int n_plots = gp.Plots.GetBufSize();
const int n_subplots = gp.Subplots.GetBufSize();
// render rects
for (int p = 0; p < n_plots; ++p) {
ImPlotPlot* plot = gp.Plots.GetByIndex(p);
if (show_frame_rects)
fg.AddRect(plot->FrameRect.Min, plot->FrameRect.Max, IM_COL32(255,0,255,255));
if (show_canvas_rects)
fg.AddRect(plot->CanvasRect.Min, plot->CanvasRect.Max, IM_COL32(0,255,255,255));
if (show_plot_rects)
fg.AddRect(plot->PlotRect.Min, plot->PlotRect.Max, IM_COL32(255,255,0,255));
if (show_axes_rects)
fg.AddRect(plot->AxesRect.Min, plot->AxesRect.Max, IM_COL32(0,255,128,255));
if (show_axis_rects) {
for (int i = 0; i < ImAxis_COUNT; ++i) {
if (plot->Axes[i].Enabled)
fg.AddRect(plot->Axes[i].HoverRect.Min, plot->Axes[i].HoverRect.Max, IM_COL32(0,255,0,255));
}
}
}
for (int p = 0; p < n_subplots; ++p) {
ImPlotSubplot* subplot = gp.Subplots.GetByIndex(p);
if (show_subplot_frame_rects)
fg.AddRect(subplot->FrameRect.Min, subplot->FrameRect.Max, IM_COL32(255,0,0,255));
if (show_subplot_grid_rects)
fg.AddRect(subplot->GridRect.Min, subplot->GridRect.Max, IM_COL32(0,0,255,255));
}
if (ImGui::TreeNode("Plots","Plots (%d)", n_plots)) {
for (int p = 0; p < n_plots; ++p) {
// plot
ImPlotPlot& plot = *gp.Plots.GetByIndex(p);
ImGui::PushID(p);
if (ImGui::TreeNode("Plot", "Plot [0x%08X]", plot.ID)) {
int n_items = plot.Items.GetItemCount();
if (ImGui::TreeNode("Items", "Items (%d)", n_items)) {
for (int i = 0; i < n_items; ++i) {
ImPlotItem* item = plot.Items.GetItemByIndex(i);
ImGui::PushID(i);
if (ImGui::TreeNode("Item", "Item [0x%08X]", item->ID)) {
ImGui::Bullet(); ImGui::Checkbox("Show", &item->Show);
ImGui::Bullet();
ImVec4 temp = ImGui::ColorConvertU32ToFloat4(item->Color);
if (ImGui::ColorEdit4("Color",&temp.x, ImGuiColorEditFlags_NoInputs))
item->Color = ImGui::ColorConvertFloat4ToU32(temp);
ImGui::BulletText("NameOffset: %d",item->NameOffset);
ImGui::BulletText("Name: %s", item->NameOffset != -1 ? plot.Items.Legend.Labels.Buf.Data + item->NameOffset : "N/A");
ImGui::BulletText("Hovered: %s",item->LegendHovered ? "true" : "false");
ImGui::TreePop();
}
ImGui::PopID();
}
ImGui::TreePop();
}
char buff[16];
for (int i = 0; i < IMPLOT_NUM_X_AXES; ++i) {
ImFormatString(buff,16,"X-Axis %d", i+1);
if (plot.XAxis(i).Enabled && ImGui::TreeNode(buff, "X-Axis %d [0x%08X]", i+1, plot.XAxis(i).ID)) {
ShowAxisMetrics(plot, plot.XAxis(i));
ImGui::TreePop();
}
}
for (int i = 0; i < IMPLOT_NUM_Y_AXES; ++i) {
ImFormatString(buff,16,"Y-Axis %d", i+1);
if (plot.YAxis(i).Enabled && ImGui::TreeNode(buff, "Y-Axis %d [0x%08X]", i+1, plot.YAxis(i).ID)) {
ShowAxisMetrics(plot, plot.YAxis(i));
ImGui::TreePop();
}
}
ImGui::BulletText("Title: %s", plot.HasTitle() ? plot.GetTitle() : "none");
ImGui::BulletText("Flags: 0x%08X", plot.Flags);
ImGui::BulletText("Initialized: %s", plot.Initialized ? "true" : "false");
ImGui::BulletText("Selecting: %s", plot.Selecting ? "true" : "false");
ImGui::BulletText("Selected: %s", plot.Selected ? "true" : "false");
ImGui::BulletText("Hovered: %s", plot.Hovered ? "true" : "false");
ImGui::BulletText("Held: %s", plot.Held ? "true" : "false");
ImGui::BulletText("LegendHovered: %s", plot.Items.Legend.Hovered ? "true" : "false");
ImGui::BulletText("ContextLocked: %s", plot.ContextLocked ? "true" : "false");
ImGui::TreePop();
}
ImGui::PopID();
}
ImGui::TreePop();
}
if (ImGui::TreeNode("Subplots","Subplots (%d)", n_subplots)) {
for (int p = 0; p < n_subplots; ++p) {
// plot
ImPlotSubplot& plot = *gp.Subplots.GetByIndex(p);
ImGui::PushID(p);
if (ImGui::TreeNode("Subplot", "Subplot [0x%08X]", plot.ID)) {
int n_items = plot.Items.GetItemCount();
if (ImGui::TreeNode("Items", "Items (%d)", n_items)) {
for (int i = 0; i < n_items; ++i) {
ImPlotItem* item = plot.Items.GetItemByIndex(i);
ImGui::PushID(i);
if (ImGui::TreeNode("Item", "Item [0x%08X]", item->ID)) {
ImGui::Bullet(); ImGui::Checkbox("Show", &item->Show);
ImGui::Bullet();
ImVec4 temp = ImGui::ColorConvertU32ToFloat4(item->Color);
if (ImGui::ColorEdit4("Color",&temp.x, ImGuiColorEditFlags_NoInputs))
item->Color = ImGui::ColorConvertFloat4ToU32(temp);
ImGui::BulletText("NameOffset: %d",item->NameOffset);
ImGui::BulletText("Name: %s", item->NameOffset != -1 ? plot.Items.Legend.Labels.Buf.Data + item->NameOffset : "N/A");
ImGui::BulletText("Hovered: %s",item->LegendHovered ? "true" : "false");
ImGui::TreePop();
}
ImGui::PopID();
}
ImGui::TreePop();
}
ImGui::BulletText("Flags: 0x%08X", plot.Flags);
ImGui::BulletText("FrameHovered: %s", plot.FrameHovered ? "true" : "false");
ImGui::BulletText("LegendHovered: %s", plot.Items.Legend.Hovered ? "true" : "false");
ImGui::TreePop();
}
ImGui::PopID();
}
ImGui::TreePop();
}
if (ImGui::TreeNode("Colormaps")) {
ImGui::BulletText("Colormaps: %d", gp.ColormapData.Count);
ImGui::BulletText("Memory: %d bytes", gp.ColormapData.Tables.Size * 4);
if (ImGui::TreeNode("Data")) {
for (int m = 0; m < gp.ColormapData.Count; ++m) {
if (ImGui::TreeNode(gp.ColormapData.GetName(m))) {
int count = gp.ColormapData.GetKeyCount(m);
int size = gp.ColormapData.GetTableSize(m);
bool qual = gp.ColormapData.IsQual(m);
ImGui::BulletText("Qualitative: %s", qual ? "true" : "false");
ImGui::BulletText("Key Count: %d", count);
ImGui::BulletText("Table Size: %d", size);
ImGui::Indent();
static float t = 0.5;
ImVec4 samp;
float wid = 32 * 10 - ImGui::GetFrameHeight() - ImGui::GetStyle().ItemSpacing.x;
ImGui::SetNextItemWidth(wid);
ImPlot::ColormapSlider("##Sample",&t,&samp,"%.3f",m);
ImGui::SameLine();
ImGui::ColorButton("Sampler",samp);
ImGui::PushStyleColor(ImGuiCol_FrameBg, ImVec4(0,0,0,0));
ImGui::PushStyleVar(ImGuiStyleVar_ItemSpacing, ImVec2(0,0));
for (int c = 0; c < size; ++c) {
ImVec4 col = ImGui::ColorConvertU32ToFloat4(gp.ColormapData.GetTableColor(m,c));
ImGui::PushID(m*1000+c);
ImGui::ColorButton("",col,0,ImVec2(10,10));
ImGui::PopID();
if ((c + 1) % 32 != 0 && c != size - 1)
ImGui::SameLine();
}
ImGui::PopStyleVar();
ImGui::PopStyleColor();
ImGui::Unindent();
ImGui::TreePop();
}
}
ImGui::TreePop();
}
ImGui::TreePop();
}
ImGui::End();
}
bool ShowDatePicker(const char* id, int* level, ImPlotTime* t, const ImPlotTime* t1, const ImPlotTime* t2) {
ImGui::PushID(id);
ImGui::BeginGroup();
ImGuiStyle& style = ImGui::GetStyle();
ImVec4 col_txt = style.Colors[ImGuiCol_Text];
ImVec4 col_dis = style.Colors[ImGuiCol_TextDisabled];
ImVec4 col_btn = style.Colors[ImGuiCol_Button];
ImGui::PushStyleColor(ImGuiCol_Button, ImVec4(0,0,0,0));
ImGui::PushStyleVar(ImGuiStyleVar_ItemSpacing, ImVec2(0,0));
const float ht = ImGui::GetFrameHeight();
ImVec2 cell_size(ht*1.25f,ht);
char buff[32];
bool clk = false;
tm& Tm = GImPlot->Tm;
const int min_yr = 1970;
const int max_yr = 2999;
// t1 parts
int t1_mo = 0; int t1_md = 0; int t1_yr = 0;
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if (t1 != nullptr) {
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GetTime(*t1,&Tm);
t1_mo = Tm.tm_mon;
t1_md = Tm.tm_mday;
t1_yr = Tm.tm_year + 1900;
}
// t2 parts
int t2_mo = 0; int t2_md = 0; int t2_yr = 0;
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if (t2 != nullptr) {
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GetTime(*t2,&Tm);
t2_mo = Tm.tm_mon;
t2_md = Tm.tm_mday;
t2_yr = Tm.tm_year + 1900;
}
// day widget
if (*level == 0) {
*t = FloorTime(*t, ImPlotTimeUnit_Day);
GetTime(*t, &Tm);
const int this_year = Tm.tm_year + 1900;
const int last_year = this_year - 1;
const int next_year = this_year + 1;
const int this_mon = Tm.tm_mon;
const int last_mon = this_mon == 0 ? 11 : this_mon - 1;
const int next_mon = this_mon == 11 ? 0 : this_mon + 1;
const int days_this_mo = GetDaysInMonth(this_year, this_mon);
const int days_last_mo = GetDaysInMonth(this_mon == 0 ? last_year : this_year, last_mon);
ImPlotTime t_first_mo = FloorTime(*t,ImPlotTimeUnit_Mo);
GetTime(t_first_mo,&Tm);
const int first_wd = Tm.tm_wday;
// month year
ImFormatString(buff, 32, "%s %d", MONTH_NAMES[this_mon], this_year);
if (ImGui::Button(buff))
*level = 1;
ImGui::SameLine(5*cell_size.x);
BeginDisabledControls(this_year <= min_yr && this_mon == 0);
if (ImGui::ArrowButtonEx("##Up",ImGuiDir_Up,cell_size))
*t = AddTime(*t, ImPlotTimeUnit_Mo, -1);
EndDisabledControls(this_year <= min_yr && this_mon == 0);
ImGui::SameLine();
BeginDisabledControls(this_year >= max_yr && this_mon == 11);
if (ImGui::ArrowButtonEx("##Down",ImGuiDir_Down,cell_size))
*t = AddTime(*t, ImPlotTimeUnit_Mo, 1);
EndDisabledControls(this_year >= max_yr && this_mon == 11);
// render weekday abbreviations
ImGui::PushItemFlag(ImGuiItemFlags_Disabled, true);
for (int i = 0; i < 7; ++i) {
ImGui::Button(WD_ABRVS[i],cell_size);
if (i != 6) { ImGui::SameLine(); }
}
ImGui::PopItemFlag();
// 0 = last mo, 1 = this mo, 2 = next mo
int mo = first_wd > 0 ? 0 : 1;
int day = mo == 1 ? 1 : days_last_mo - first_wd + 1;
for (int i = 0; i < 6; ++i) {
for (int j = 0; j < 7; ++j) {
if (mo == 0 && day > days_last_mo) {
mo = 1;
day = 1;
}
else if (mo == 1 && day > days_this_mo) {
mo = 2;
day = 1;
}
const int now_yr = (mo == 0 && this_mon == 0) ? last_year : ((mo == 2 && this_mon == 11) ? next_year : this_year);
const int now_mo = mo == 0 ? last_mon : (mo == 1 ? this_mon : next_mon);
const int now_md = day;
const bool off_mo = mo == 0 || mo == 2;
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const bool t1_or_t2 = (t1 != nullptr && t1_mo == now_mo && t1_yr == now_yr && t1_md == now_md) ||
(t2 != nullptr && t2_mo == now_mo && t2_yr == now_yr && t2_md == now_md);
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if (off_mo)
ImGui::PushStyleColor(ImGuiCol_Text, col_dis);
if (t1_or_t2) {
ImGui::PushStyleColor(ImGuiCol_Button, col_btn);
ImGui::PushStyleColor(ImGuiCol_Text, col_txt);
}
ImGui::PushID(i*7+j);
ImFormatString(buff,32,"%d",day);
if (now_yr == min_yr-1 || now_yr == max_yr+1) {
ImGui::Dummy(cell_size);
}
else if (ImGui::Button(buff,cell_size) && !clk) {
*t = MakeTime(now_yr, now_mo, now_md);
clk = true;
}
ImGui::PopID();
if (t1_or_t2)
ImGui::PopStyleColor(2);
if (off_mo)
ImGui::PopStyleColor();
if (j != 6)
ImGui::SameLine();
day++;
}
}
}
// month widget
else if (*level == 1) {
*t = FloorTime(*t, ImPlotTimeUnit_Mo);
GetTime(*t, &Tm);
int this_yr = Tm.tm_year + 1900;
ImFormatString(buff, 32, "%d", this_yr);
if (ImGui::Button(buff))
*level = 2;
BeginDisabledControls(this_yr <= min_yr);
ImGui::SameLine(5*cell_size.x);
if (ImGui::ArrowButtonEx("##Up",ImGuiDir_Up,cell_size))
*t = AddTime(*t, ImPlotTimeUnit_Yr, -1);
EndDisabledControls(this_yr <= min_yr);
ImGui::SameLine();
BeginDisabledControls(this_yr >= max_yr);
if (ImGui::ArrowButtonEx("##Down",ImGuiDir_Down,cell_size))
*t = AddTime(*t, ImPlotTimeUnit_Yr, 1);
EndDisabledControls(this_yr >= max_yr);
// ImGui::Dummy(cell_size);
cell_size.x *= 7.0f/4.0f;
cell_size.y *= 7.0f/3.0f;
int mo = 0;
for (int i = 0; i < 3; ++i) {
for (int j = 0; j < 4; ++j) {
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const bool t1_or_t2 = (t1 != nullptr && t1_yr == this_yr && t1_mo == mo) ||
(t2 != nullptr && t2_yr == this_yr && t2_mo == mo);
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if (t1_or_t2)
ImGui::PushStyleColor(ImGuiCol_Button, col_btn);
if (ImGui::Button(MONTH_ABRVS[mo],cell_size) && !clk) {
*t = MakeTime(this_yr, mo);
*level = 0;
}
if (t1_or_t2)
ImGui::PopStyleColor();
if (j != 3)
ImGui::SameLine();
mo++;
}
}
}
else if (*level == 2) {
*t = FloorTime(*t, ImPlotTimeUnit_Yr);
int this_yr = GetYear(*t);
int yr = this_yr - this_yr % 20;
ImGui::PushItemFlag(ImGuiItemFlags_Disabled, true);
ImFormatString(buff,32,"%d-%d",yr,yr+19);
ImGui::Button(buff);
ImGui::PopItemFlag();
ImGui::SameLine(5*cell_size.x);
BeginDisabledControls(yr <= min_yr);
if (ImGui::ArrowButtonEx("##Up",ImGuiDir_Up,cell_size))
*t = MakeTime(yr-20);
EndDisabledControls(yr <= min_yr);
ImGui::SameLine();
BeginDisabledControls(yr + 20 >= max_yr);
if (ImGui::ArrowButtonEx("##Down",ImGuiDir_Down,cell_size))
*t = MakeTime(yr+20);
EndDisabledControls(yr+ 20 >= max_yr);
// ImGui::Dummy(cell_size);
cell_size.x *= 7.0f/4.0f;
cell_size.y *= 7.0f/5.0f;
for (int i = 0; i < 5; ++i) {
for (int j = 0; j < 4; ++j) {
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const bool t1_or_t2 = (t1 != nullptr && t1_yr == yr) || (t2 != nullptr && t2_yr == yr);
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if (t1_or_t2)
ImGui::PushStyleColor(ImGuiCol_Button, col_btn);
ImFormatString(buff,32,"%d",yr);
if (yr<1970||yr>3000) {
ImGui::Dummy(cell_size);
}
else if (ImGui::Button(buff,cell_size)) {
*t = MakeTime(yr);
*level = 1;
}
if (t1_or_t2)
ImGui::PopStyleColor();
if (j != 3)
ImGui::SameLine();
yr++;
}
}
}
ImGui::PopStyleVar();
ImGui::PopStyleColor();
ImGui::EndGroup();
ImGui::PopID();
return clk;
}
bool ShowTimePicker(const char* id, ImPlotTime* t) {
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ImPlotContext& gp = *GImPlot;
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ImGui::PushID(id);
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tm& Tm = gp.Tm;
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GetTime(*t,&Tm);
static const char* nums[] = { "00","01","02","03","04","05","06","07","08","09",
"10","11","12","13","14","15","16","17","18","19",
"20","21","22","23","24","25","26","27","28","29",
"30","31","32","33","34","35","36","37","38","39",
"40","41","42","43","44","45","46","47","48","49",
"50","51","52","53","54","55","56","57","58","59"};
static const char* am_pm[] = {"am","pm"};
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bool hour24 = gp.Style.Use24HourClock;
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int hr = hour24 ? Tm.tm_hour : ((Tm.tm_hour == 0 || Tm.tm_hour == 12) ? 12 : Tm.tm_hour % 12);
int min = Tm.tm_min;
int sec = Tm.tm_sec;
int ap = Tm.tm_hour < 12 ? 0 : 1;
bool changed = false;
ImVec2 spacing = ImGui::GetStyle().ItemSpacing;
spacing.x = 0;
float width = ImGui::CalcTextSize("888").x;
float height = ImGui::GetFrameHeight();
ImGui::PushStyleVar(ImGuiStyleVar_ItemSpacing, spacing);
ImGui::PushStyleVar(ImGuiStyleVar_ScrollbarSize,2.0f);
ImGui::PushStyleColor(ImGuiCol_FrameBg, ImVec4(0,0,0,0));
ImGui::PushStyleColor(ImGuiCol_Button, ImVec4(0,0,0,0));
ImGui::PushStyleColor(ImGuiCol_FrameBgHovered, ImGui::GetStyleColorVec4(ImGuiCol_ButtonHovered));
ImGui::SetNextItemWidth(width);
if (ImGui::BeginCombo("##hr",nums[hr],ImGuiComboFlags_NoArrowButton)) {
const int ia = hour24 ? 0 : 1;
const int ib = hour24 ? 24 : 13;
for (int i = ia; i < ib; ++i) {
if (ImGui::Selectable(nums[i],i==hr)) {
hr = i;
changed = true;
}
}
ImGui::EndCombo();
}
ImGui::SameLine();
ImGui::Text(":");
ImGui::SameLine();
ImGui::SetNextItemWidth(width);
if (ImGui::BeginCombo("##min",nums[min],ImGuiComboFlags_NoArrowButton)) {
for (int i = 0; i < 60; ++i) {
if (ImGui::Selectable(nums[i],i==min)) {
min = i;
changed = true;
}
}
ImGui::EndCombo();
}
ImGui::SameLine();
ImGui::Text(":");
ImGui::SameLine();
ImGui::SetNextItemWidth(width);
if (ImGui::BeginCombo("##sec",nums[sec],ImGuiComboFlags_NoArrowButton)) {
for (int i = 0; i < 60; ++i) {
if (ImGui::Selectable(nums[i],i==sec)) {
sec = i;
changed = true;
}
}
ImGui::EndCombo();
}
if (!hour24) {
ImGui::SameLine();
if (ImGui::Button(am_pm[ap],ImVec2(0,height))) {
ap = 1 - ap;
changed = true;
}
}
ImGui::PopStyleColor(3);
ImGui::PopStyleVar(2);
ImGui::PopID();
if (changed) {
if (!hour24)
hr = hr % 12 + ap * 12;
Tm.tm_hour = hr;
Tm.tm_min = min;
Tm.tm_sec = sec;
*t = MkTime(&Tm);
}
return changed;
}
void StyleColorsAuto(ImPlotStyle* dst) {
ImPlotStyle* style = dst ? dst : &ImPlot::GetStyle();
ImVec4* colors = style->Colors;
style->MinorAlpha = 0.25f;
colors[ImPlotCol_Line] = IMPLOT_AUTO_COL;
colors[ImPlotCol_Fill] = IMPLOT_AUTO_COL;
colors[ImPlotCol_MarkerOutline] = IMPLOT_AUTO_COL;
colors[ImPlotCol_MarkerFill] = IMPLOT_AUTO_COL;
colors[ImPlotCol_ErrorBar] = IMPLOT_AUTO_COL;
colors[ImPlotCol_FrameBg] = IMPLOT_AUTO_COL;
colors[ImPlotCol_PlotBg] = IMPLOT_AUTO_COL;
colors[ImPlotCol_PlotBorder] = IMPLOT_AUTO_COL;
colors[ImPlotCol_LegendBg] = IMPLOT_AUTO_COL;
colors[ImPlotCol_LegendBorder] = IMPLOT_AUTO_COL;
colors[ImPlotCol_LegendText] = IMPLOT_AUTO_COL;
colors[ImPlotCol_TitleText] = IMPLOT_AUTO_COL;
colors[ImPlotCol_InlayText] = IMPLOT_AUTO_COL;
colors[ImPlotCol_PlotBorder] = IMPLOT_AUTO_COL;
colors[ImPlotCol_AxisText] = IMPLOT_AUTO_COL;
colors[ImPlotCol_AxisGrid] = IMPLOT_AUTO_COL;
colors[ImPlotCol_AxisTick] = IMPLOT_AUTO_COL;
colors[ImPlotCol_AxisBg] = IMPLOT_AUTO_COL;
colors[ImPlotCol_AxisBgHovered] = IMPLOT_AUTO_COL;
colors[ImPlotCol_AxisBgActive] = IMPLOT_AUTO_COL;
colors[ImPlotCol_Selection] = IMPLOT_AUTO_COL;
colors[ImPlotCol_Crosshairs] = IMPLOT_AUTO_COL;
}
void StyleColorsClassic(ImPlotStyle* dst) {
ImPlotStyle* style = dst ? dst : &ImPlot::GetStyle();
ImVec4* colors = style->Colors;
style->MinorAlpha = 0.5f;
colors[ImPlotCol_Line] = IMPLOT_AUTO_COL;
colors[ImPlotCol_Fill] = IMPLOT_AUTO_COL;
colors[ImPlotCol_MarkerOutline] = IMPLOT_AUTO_COL;
colors[ImPlotCol_MarkerFill] = IMPLOT_AUTO_COL;
colors[ImPlotCol_ErrorBar] = ImVec4(0.90f, 0.90f, 0.90f, 1.00f);
colors[ImPlotCol_FrameBg] = ImVec4(0.43f, 0.43f, 0.43f, 0.39f);
colors[ImPlotCol_PlotBg] = ImVec4(0.00f, 0.00f, 0.00f, 0.35f);
colors[ImPlotCol_PlotBorder] = ImVec4(0.50f, 0.50f, 0.50f, 0.50f);
colors[ImPlotCol_LegendBg] = ImVec4(0.11f, 0.11f, 0.14f, 0.92f);
colors[ImPlotCol_LegendBorder] = ImVec4(0.50f, 0.50f, 0.50f, 0.50f);
colors[ImPlotCol_LegendText] = ImVec4(0.90f, 0.90f, 0.90f, 1.00f);
colors[ImPlotCol_TitleText] = ImVec4(0.90f, 0.90f, 0.90f, 1.00f);
colors[ImPlotCol_InlayText] = ImVec4(0.90f, 0.90f, 0.90f, 1.00f);
colors[ImPlotCol_AxisText] = ImVec4(0.90f, 0.90f, 0.90f, 1.00f);
colors[ImPlotCol_AxisGrid] = ImVec4(0.90f, 0.90f, 0.90f, 0.25f);
colors[ImPlotCol_AxisTick] = IMPLOT_AUTO_COL; // TODO
colors[ImPlotCol_AxisBg] = IMPLOT_AUTO_COL; // TODO
colors[ImPlotCol_AxisBgHovered] = IMPLOT_AUTO_COL; // TODO
colors[ImPlotCol_AxisBgActive] = IMPLOT_AUTO_COL; // TODO
colors[ImPlotCol_Selection] = ImVec4(0.97f, 0.97f, 0.39f, 1.00f);
colors[ImPlotCol_Crosshairs] = ImVec4(0.50f, 0.50f, 0.50f, 0.75f);
}
void StyleColorsDark(ImPlotStyle* dst) {
ImPlotStyle* style = dst ? dst : &ImPlot::GetStyle();
ImVec4* colors = style->Colors;
style->MinorAlpha = 0.25f;
colors[ImPlotCol_Line] = IMPLOT_AUTO_COL;
colors[ImPlotCol_Fill] = IMPLOT_AUTO_COL;
colors[ImPlotCol_MarkerOutline] = IMPLOT_AUTO_COL;
colors[ImPlotCol_MarkerFill] = IMPLOT_AUTO_COL;
colors[ImPlotCol_ErrorBar] = IMPLOT_AUTO_COL;
colors[ImPlotCol_FrameBg] = ImVec4(1.00f, 1.00f, 1.00f, 0.07f);
colors[ImPlotCol_PlotBg] = ImVec4(0.00f, 0.00f, 0.00f, 0.50f);
colors[ImPlotCol_PlotBorder] = ImVec4(0.43f, 0.43f, 0.50f, 0.50f);
colors[ImPlotCol_LegendBg] = ImVec4(0.08f, 0.08f, 0.08f, 0.94f);
colors[ImPlotCol_LegendBorder] = ImVec4(0.43f, 0.43f, 0.50f, 0.50f);
colors[ImPlotCol_LegendText] = ImVec4(1.00f, 1.00f, 1.00f, 1.00f);
colors[ImPlotCol_TitleText] = ImVec4(1.00f, 1.00f, 1.00f, 1.00f);
colors[ImPlotCol_InlayText] = ImVec4(1.00f, 1.00f, 1.00f, 1.00f);
colors[ImPlotCol_AxisText] = ImVec4(1.00f, 1.00f, 1.00f, 1.00f);
colors[ImPlotCol_AxisGrid] = ImVec4(1.00f, 1.00f, 1.00f, 0.25f);
colors[ImPlotCol_AxisTick] = IMPLOT_AUTO_COL; // TODO
colors[ImPlotCol_AxisBg] = IMPLOT_AUTO_COL; // TODO
colors[ImPlotCol_AxisBgHovered] = IMPLOT_AUTO_COL; // TODO
colors[ImPlotCol_AxisBgActive] = IMPLOT_AUTO_COL; // TODO
colors[ImPlotCol_Selection] = ImVec4(1.00f, 0.60f, 0.00f, 1.00f);
colors[ImPlotCol_Crosshairs] = ImVec4(1.00f, 1.00f, 1.00f, 0.50f);
}
void StyleColorsLight(ImPlotStyle* dst) {
ImPlotStyle* style = dst ? dst : &ImPlot::GetStyle();
ImVec4* colors = style->Colors;
style->MinorAlpha = 1.0f;
colors[ImPlotCol_Line] = IMPLOT_AUTO_COL;
colors[ImPlotCol_Fill] = IMPLOT_AUTO_COL;
colors[ImPlotCol_MarkerOutline] = IMPLOT_AUTO_COL;
colors[ImPlotCol_MarkerFill] = IMPLOT_AUTO_COL;
colors[ImPlotCol_ErrorBar] = IMPLOT_AUTO_COL;
colors[ImPlotCol_FrameBg] = ImVec4(1.00f, 1.00f, 1.00f, 1.00f);
colors[ImPlotCol_PlotBg] = ImVec4(0.42f, 0.57f, 1.00f, 0.13f);
colors[ImPlotCol_PlotBorder] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f);
colors[ImPlotCol_LegendBg] = ImVec4(1.00f, 1.00f, 1.00f, 0.98f);
colors[ImPlotCol_LegendBorder] = ImVec4(0.82f, 0.82f, 0.82f, 0.80f);
colors[ImPlotCol_LegendText] = ImVec4(0.00f, 0.00f, 0.00f, 1.00f);
colors[ImPlotCol_TitleText] = ImVec4(0.00f, 0.00f, 0.00f, 1.00f);
colors[ImPlotCol_InlayText] = ImVec4(0.00f, 0.00f, 0.00f, 1.00f);
colors[ImPlotCol_AxisText] = ImVec4(0.00f, 0.00f, 0.00f, 1.00f);
colors[ImPlotCol_AxisGrid] = ImVec4(1.00f, 1.00f, 1.00f, 1.00f);
colors[ImPlotCol_AxisTick] = ImVec4(0.00f, 0.00f, 0.00f, 0.25f);
colors[ImPlotCol_AxisBg] = IMPLOT_AUTO_COL; // TODO
colors[ImPlotCol_AxisBgHovered] = IMPLOT_AUTO_COL; // TODO
colors[ImPlotCol_AxisBgActive] = IMPLOT_AUTO_COL; // TODO
colors[ImPlotCol_Selection] = ImVec4(0.82f, 0.64f, 0.03f, 1.00f);
colors[ImPlotCol_Crosshairs] = ImVec4(0.00f, 0.00f, 0.00f, 0.50f);
}
//-----------------------------------------------------------------------------
// [SECTION] Obsolete Functions/Types
//-----------------------------------------------------------------------------
#ifndef IMPLOT_DISABLE_OBSOLETE_FUNCTIONS
bool BeginPlot(const char* title, const char* x_label, const char* y1_label, const ImVec2& size,
ImPlotFlags flags, ImPlotAxisFlags x_flags, ImPlotAxisFlags y1_flags, ImPlotAxisFlags y2_flags, ImPlotAxisFlags y3_flags,
const char* y2_label, const char* y3_label)
{
if (!BeginPlot(title, size, flags))
return false;
SetupAxis(ImAxis_X1, x_label, x_flags);
SetupAxis(ImAxis_Y1, y1_label, y1_flags);
if (ImHasFlag(flags, ImPlotFlags_YAxis2))
SetupAxis(ImAxis_Y2, y2_label, y2_flags);
if (ImHasFlag(flags, ImPlotFlags_YAxis3))
SetupAxis(ImAxis_Y3, y3_label, y3_flags);
return true;
}
#endif
} // namespace ImPlot