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https://github.com/gwm17/implot.git
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tidy up implot_internal.h
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4a584bad40
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9d9b145548
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@ -265,11 +265,6 @@ void AddTextVertical(ImDrawList *DrawList, ImVec2 pos, ImU32 col, const char *te
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}
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}
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ImVec2 CalcTextSizeVertical(const char *text) {
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ImVec2 sz = ImGui::CalcTextSize(text);
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return ImVec2(sz.y, sz.x);
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}
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double NiceNum(double x, bool round) {
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double f; /* fractional part of x */
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double nf; /* nice, rounded fraction */
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20
implot.h
20
implot.h
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@ -361,7 +361,7 @@ void PlotDigital(const char* label_id, const float* xs, const float* ys, int cou
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void PlotDigital(const char* label_id, const double* xs, const double* ys, int count, int offset = 0, int stride = sizeof(double));
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void PlotDigital(const char* label_id, ImPlotPoint (*getter)(void* data, int idx), void* data, int count, int offset = 0);
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// Plots a centered text label at point x,y with optional pixel offset. Text color can be changed with ImGui::PushStyleColor(ImGuiCol_Text, ...).
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// Plots a centered text label at point x,y with optional pixel offset. Text color can be changed with ImPlot::PushStyleColor(ImPlotCol_InlayText, ...).
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void PlotText(const char* text, float x, float y, bool vertical = false, const ImVec2& pixel_offset = ImVec2(0,0));
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void PlotText(const char* text, double x, double y, bool vertical = false, const ImVec2& pixel_offset = ImVec2(0,0));
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@ -494,10 +494,12 @@ void PushColormap(ImPlotColormap colormap);
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void PushColormap(const ImVec4* colormap, int size);
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// Undo temporary colormap modification.
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void PopColormap(int count = 1);
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// Permanently sets a custom colormap. The colors will be copied to internal memory. Prefer PushColormap instead of calling this each frame.
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void SetColormap(const ImVec4* colormap, int size);
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// Permanently switch to one of the built-in colormaps. If samples is greater than 1, the map will be linearly resampled. Don't call this each frame.
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void SetColormap(ImPlotColormap colormap, int samples = 0);
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// Returns the size of the current colormap.
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int GetColormapSize();
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// Returns a color from the Color map given an index >= 0 (modulo will be performed).
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@ -506,8 +508,10 @@ ImVec4 GetColormapColor(int index);
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ImVec4 LerpColormap(float t);
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// Returns the next unused colormap color and advances the colormap. Can be used to skip colors if desired.
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ImVec4 NextColormapColor();
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// Renders a vertical color scale using the current color map. Call this outside of Begin/EndPlot.
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void ShowColormapScale(double scale_min, double scale_max, float height);
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// Returns a null terminated string name for a built-in colormap.
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const char* GetColormapName(ImPlotColormap colormap);
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@ -533,13 +537,6 @@ void EndLegendPopup();
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// Allows changing how keyboard/mouse interaction works.
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ImPlotInputMap& GetInputMap();
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// Shows ImPlot style selector dropdown menu.
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bool ShowStyleSelector(const char* label);
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// Shows ImPlot style editor block (not a window).
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void ShowStyleEditor(ImPlotStyle* ref = NULL);
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// Add basic help/info block (not a window): how to manipulate ImPlot as an end-user.
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void ShowUserGuide();
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// Get the plot draw list for rendering to the current plot area.
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ImDrawList* GetPlotDrawList();
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// Push clip rect for rendering to current plot area.
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@ -547,6 +544,13 @@ void PushPlotClipRect();
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// Pop plot clip rect.
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void PopPlotClipRect();
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// Shows ImPlot style selector dropdown menu.
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bool ShowStyleSelector(const char* label);
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// Shows ImPlot style editor block (not a window).
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void ShowStyleEditor(ImPlotStyle* ref = NULL);
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// Add basic help/info block (not a window): how to manipulate ImPlot as an end-user.
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void ShowUserGuide();
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//-----------------------------------------------------------------------------
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// Demo (add implot_demo.cpp to your sources!)
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//-----------------------------------------------------------------------------
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@ -1302,15 +1302,14 @@ namespace ImPlot {
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struct BenchmarkItem {
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BenchmarkItem() {
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float y = RandomRange(0,1);
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Data = new ImVec2[1000];
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Data = new float[1000];
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for (int i = 0; i < 1000; ++i) {
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Data[i].x = i*0.001f;
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Data[i].y = y + RandomRange(-0.01f,0.01f);
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Data[i] = y + RandomRange(-0.01f,0.01f);
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}
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Col = ImVec4((float)RandomRange(0,1),(float)RandomRange(0,1),(float)RandomRange(0,1),1);
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}
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~BenchmarkItem() { delete[] Data; }
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ImVec2* Data;
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float* Data;
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ImVec4 Col;
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};
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@ -1364,7 +1363,7 @@ void ShowBenchmarkTool() {
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ImGui::ProgressBar((float)L / (float)(max_lines - 1));
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ImPlot::SetNextPlotLimits(0,1,0,1,ImGuiCond_Always);
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ImPlot::SetNextPlotLimits(0,1000,0,1,ImGuiCond_Always);
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if (ImPlot::BeginPlot("##Bench",NULL,NULL,ImVec2(-1,0),ImPlotFlags_NoChild,0,0,0,0)) {
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if (running) {
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for (int i = 0; i < L; ++i) {
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@ -484,11 +484,19 @@ struct ImPlotAxisScale
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namespace ImPlot {
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//-----------------------------------------------------------------------------
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// [SECTION] Context Utils
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//-----------------------------------------------------------------------------
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// Initializes an ImPlotContext
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void Initialize(ImPlotContext* ctx);
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// Resets an ImPlot context for the next call to BeginPlot
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void Reset(ImPlotContext* ctx);
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//-----------------------------------------------------------------------------
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// [SECTION] Plot Utils
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//-----------------------------------------------------------------------------
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// Gets a plot from the current ImPlotContext
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ImPlotState* GetPlot(const char* title);
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// Gets the current plot from the current ImPlotContext
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@ -496,16 +504,9 @@ ImPlotState* GetCurrentPlot();
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// Busts the cache for every plot in the current context
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void BustPlotCache();
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// Updates plot-to-pixel space transformation variables for the current plot.
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void UpdateTransformCache();
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// Extends the current plots axes so that it encompasses point p
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void FitPoint(const ImPlotPoint& p);
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// Returns true if the user has requested data to be fit.
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inline bool FitThisFrame() { return GImPlot->FitThisFrame; }
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// Gets the current y-axis for the current plot
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inline int GetCurrentYAxis() { return GImPlot->CurrentPlot->CurrentYAxis; }
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// Gets the XY scale for the current plot and y-axis
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inline ImPlotScale GetCurrentScale() { return GImPlot->Scales[GetCurrentYAxis()]; }
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//-----------------------------------------------------------------------------
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// [SECTION] Item Utils
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//-----------------------------------------------------------------------------
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// Begins a new item. Returns false if the item should not be plotted. Pushes PlotClipRect.
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bool BeginItem(const char* label_id, ImPlotCol recolor_from = -1);
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@ -525,24 +526,45 @@ ImPlotItem* GetCurrentItem();
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// Busts the cache for every item for every plot in the current context.
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void BustItemCache();
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// Get styling data for next item (call between Begin/EndItem)
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inline const ImPlotItemStyle& GetItemStyle() { return GImPlot->NextItemStyle; }
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//-----------------------------------------------------------------------------
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// [SECTION] Axis Utils
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//-----------------------------------------------------------------------------
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// Recolors an item legend icon from an the current ImPlotCol if it is not automatic (i.e. alpha != -1)
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inline void TryRecolorItem(ImPlotItem* item, ImPlotCol idx) {
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if (GImPlot->Style.Colors[idx].w != -1)
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item->Color = GImPlot->Style.Colors[idx];
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}
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// Gets the current y-axis for the current plot
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inline int GetCurrentYAxis() { return GImPlot->CurrentPlot->CurrentYAxis; }
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// Constrains an axis range
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void ConstrainAxis(ImPlotAxis& axis);
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// Updates axis ticks, lins, and label colors
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void UpdateAxisColors(int axis_flag, ImPlotAxisColor* col);
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// Updates plot-to-pixel space transformation variables for the current plot.
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void UpdateTransformCache();
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// Gets the XY scale for the current plot and y-axis
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inline ImPlotScale GetCurrentScale() { return GImPlot->Scales[GetCurrentYAxis()]; }
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// Returns true if the user has requested data to be fit.
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inline bool FitThisFrame() { return GImPlot->FitThisFrame; }
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// Extends the current plots axes so that it encompasses point p
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void FitPoint(const ImPlotPoint& p);
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//-----------------------------------------------------------------------------
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// [SECTION] Legend Utils
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//-----------------------------------------------------------------------------
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// Returns the number of entries in the current legend
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int GetLegendCount();
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// Gets the ith entry string for the current legend
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const char* GetLegendLabel(int i);
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//-----------------------------------------------------------------------------
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// [SECTION] Tick Utils
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//-----------------------------------------------------------------------------
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// Label a tick with default formatting
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void LabelTickDefault(ImPlotTick& tick, ImGuiTextBuffer& buffer);
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// Label a tick with scientific formating
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void LabelTickScientific(ImPlotTick& tick, ImGuiTextBuffer& buffer);
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// Populates a list of ImPlotTicks with normal spaced and formatted ticks
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void AddTicksDefault(const ImPlotRange& range, int nMajor, int nMinor, ImPlotTickCollection& ticks);
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// Populates a list of ImPlotTicks with logarithmic space and formatted ticks
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@ -550,18 +572,44 @@ void AddTicksLogarithmic(const ImPlotRange& range, int nMajor, ImPlotTickCollect
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// Populates a list of ImPlotTicks with custom spaced and labeled ticks
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void AddTicksCustom(const double* values, const char** labels, int n, ImPlotTickCollection& ticks);
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// Constrains an axis range
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void ConstrainAxis(ImPlotAxis& axis);
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// Updates axis ticks, lins, and label colors
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void UpdateAxisColors(int axis_flag, ImPlotAxisColor* col);
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//-----------------------------------------------------------------------------
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// [SECTION] Styling Utils
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//-----------------------------------------------------------------------------
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// Get styling data for next item (call between Begin/EndItem)
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inline const ImPlotItemStyle& GetItemStyle() { return GImPlot->NextItemStyle; }
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// Returns true if a color is set to be automatically determined
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inline bool IsColorAuto(const ImVec4& col) { return col.w == -1; }
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// Returns true if a style color is set to be automaticaly determined
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inline bool IsColorAuto(ImPlotCol idx) { return IsColorAuto(GImPlot->Style.Colors[idx]); }
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// Returns the automatically deduced style color
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ImVec4 GetAutoColor(ImPlotCol idx);
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// Returns the style color whether it is automatic or custom set
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inline ImVec4 GetStyleColorVec4(ImPlotCol idx) { return IsColorAuto(idx) ? GetAutoColor(idx) : GImPlot->Style.Colors[idx]; }
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inline ImU32 GetStyleColorU32(ImPlotCol idx) { return ImGui::ColorConvertFloat4ToU32(GetStyleColorVec4(idx)); }
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// Get built-in colormap data and size
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const ImVec4* GetColormap(ImPlotColormap colormap, int* size_out);
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// Linearly interpolates a color from the current colormap given t between 0 and 1.
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ImVec4 LerpColormap(const ImVec4* colormap, int size, float t);
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// Resamples a colormap. #size_out must be greater than 1.
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void ResampleColormap(const ImVec4* colormap_in, int size_in, ImVec4* colormap_out, int size_out);
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// Rounds x to powers of 2,5 and 10 for generating axis labels (from Graphics Gems 1 Chapter 11.2)
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double NiceNum(double x, bool round);
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// Draws vertical text. The position is the bottom left of the text rect.
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void AddTextVertical(ImDrawList *DrawList, ImVec2 pos, ImU32 col, const char* text_begin, const char* text_end = NULL);
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// Calculates the size of vertical text
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ImVec2 CalcTextSizeVertical(const char *text);
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inline ImVec2 CalcTextSizeVertical(const char *text) { ImVec2 sz = ImGui::CalcTextSize(text); return ImVec2(sz.y, sz.x); }
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// Returns white or black text given background color
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inline ImU32 CalcTextColor(const ImVec4& bg) { return (bg.x * 0.299 + bg.y * 0.587 + bg.z * 0.114) > 0.729 ? IM_COL32_BLACK : IM_COL32_WHITE; }
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//-----------------------------------------------------------------------------
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// [SECTION] Math and Misc Utils
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//-----------------------------------------------------------------------------
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// Rounds x to powers of 2,5 and 10 for generating axis labels (from Graphics Gems 1 Chapter 11.2)
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double NiceNum(double x, bool round);
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// Returns true if val is NAN or INFINITY
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inline bool NanOrInf(double val) { return val == HUGE_VAL || val == -HUGE_VAL || isnan(val); }
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// Turns NANs to 0s
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@ -570,7 +618,6 @@ inline double ConstrainNan(double val) { return isnan(val) ? 0 : val; }
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inline double ConstrainInf(double val) { return val == HUGE_VAL ? DBL_MAX : val == -HUGE_VAL ? - DBL_MAX : val; }
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// Turns numbers less than or equal to 0 to 0.001 (sort of arbitrary, is there a better way?)
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inline double ConstrainLog(double val) { return val <= 0 ? 0.001f : val; }
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// Computes order of magnitude of double.
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inline int OrderOfMagnitude(double val) { return val == 0 ? 0 : (int)(floor(log10(fabs(val)))); }
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// Returns the precision required for a order of magnitude.
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@ -580,8 +627,7 @@ inline int Precision(double val) { return OrderToPrecision(OrderOfMagnitude(val)
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// Returns the intersection point of two lines A and B (assumes they are not parallel!)
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inline ImVec2 Intersection(const ImVec2& a1, const ImVec2& a2, const ImVec2& b1, const ImVec2& b2) {
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float v1 = (a1.x * a2.y - a1.y * a2.x);
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float v2 = (b1.x * b2.y - b1.y * b2.x);
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float v1 = (a1.x * a2.y - a1.y * a2.x); float v2 = (b1.x * b2.y - b1.y * b2.x);
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float v3 = ((a1.x - a2.x) * (b1.y - b2.y) - (a1.y - a2.y) * (b1.x - b2.x));
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return ImVec2((v1 * (b1.x - b2.x) - v2 * (a1.x - a2.x)) / v3, (v1 * (b1.y - b2.y) - v2 * (a1.y - a2.y)) / v3);
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}
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@ -603,25 +649,6 @@ inline T OffsetAndStride(const T* data, int idx, int count, int offset, int stri
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return *(const T*)(const void*)((const unsigned char*)data + (size_t)idx * stride);
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}
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// Get built-in colormap data and size
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const ImVec4* GetColormap(ImPlotColormap colormap, int* size_out);
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// Linearly interpolates a color from the current colormap given t between 0 and 1.
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ImVec4 LerpColormap(const ImVec4* colormap, int size, float t);
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// Resamples a colormap. #size_out must be greater than 1.
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void ResampleColormap(const ImVec4* colormap_in, int size_in, ImVec4* colormap_out, int size_out);
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// Returns true if a color is set to be automatically determined
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inline bool IsColorAuto(const ImVec4& col) { return col.w == -1; }
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// Returns true if a style color is set to be automaticaly determined
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inline bool IsColorAuto(ImPlotCol idx) { return IsColorAuto(GImPlot->Style.Colors[idx]); }
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// Returns the automatically deduced style color
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ImVec4 GetAutoColor(ImPlotCol idx);
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// Returns the style color whether it is automatic or custom set
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inline ImVec4 GetStyleColorVec4(ImPlotCol idx) {return IsColorAuto(idx) ? GetAutoColor(idx) : GImPlot->Style.Colors[idx]; }
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inline ImU32 GetStyleColorU32(ImPlotCol idx) { return ImGui::ColorConvertFloat4ToU32(GetStyleColorVec4(idx)); }
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// Returns white or black text given background color
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inline ImU32 CalcTextColor(const ImVec4& bg) { return (bg.x * 0.299 + bg.y * 0.587 + bg.z * 0.114) > 0.729 ? IM_COL32_BLACK : IM_COL32_WHITE; }
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//-----------------------------------------------------------------------------
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// [SECTION] Internal / Experimental Plotters
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// No guarantee of forward compatibility here!
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