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PlotDigital updates on ImPlot v0.2
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ozlb
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109
implot.h
109
implot.h
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@ -20,10 +20,10 @@
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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// SOFTWARE.
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// ImPlot v0.1 WIP
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// ImPlot v0.2 WIP
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#pragma once
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#include <imgui.h>
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#include "imgui.h"
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//-----------------------------------------------------------------------------
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// Basic types and flags
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@ -37,16 +37,19 @@ typedef int ImMarker;
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// Options for plots
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enum ImPlotFlags_ {
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ImPlotFlags_MousePos = 1 << 0, // the mouse position, in plot coordinates, will be displayed in the bottom-right
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ImPlotFlags_Legend = 1 << 1, // a legend will be displayed in the top-left
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ImPlotFlags_Highlight = 1 << 2, // plot items will be highlighted when their legend entry is hovered
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ImPlotFlags_Selection = 1 << 3, // the user will be able to box-select with right-mouse
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ImPlotFlags_PixelQuery = 1 << 4, // query ranges will not change their pixel position if the plot is scrolled/zoomed
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ImPlotFlags_ContextMenu = 1 << 5, // the user will be able to open a context menu with double-right click
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ImPlotFlags_Crosshairs = 1 << 6, // the default mouse cursor will be replaced with a crosshair when hovered
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ImPlotFlags_CullData = 1 << 7, // plot data outside the plot area will be culled from rendering
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ImPlotFlags_AntiAliased = 1 << 8, // lines and fills will be anti-aliased (not recommended)
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ImPlotFlags_NoChild = 1 << 9, // a child window region will not be used to capture mouse scroll (can boost performance for single ImGui window applications)
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ImPlotFlags_MousePos = 1 << 0, // the mouse position, in plot coordinates, will be displayed in the bottom-right
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ImPlotFlags_Legend = 1 << 1, // a legend will be displayed in the top-left
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ImPlotFlags_Highlight = 1 << 2, // plot items will be highlighted when their legend entry is hovered
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ImPlotFlags_Selection = 1 << 3, // the user will be able to box-select with right-mouse
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ImPlotFlags_Query = 1 << 4, // the user will be able to draw query rects with middle-mouse
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ImPlotFlags_ContextMenu = 1 << 5, // the user will be able to open a context menu with double-right click
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ImPlotFlags_Crosshairs = 1 << 6, // the default mouse cursor will be replaced with a crosshair when hovered
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ImPlotFlags_CullData = 1 << 7, // plot data outside the plot area will be culled from rendering
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ImPlotFlags_AntiAliased = 1 << 8, // lines and fills will be anti-aliased (not recommended)
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ImPlotFlags_NoChild = 1 << 9, // a child window region will not be used to capture mouse scroll (can boost performance for single ImGui window applications)
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ImPlotFlags_YAxis2 = 1 << 10, // enable a 2nd y axis
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ImPlotFlags_YAxis3 = 1 << 11, // enable a 3rd y axis
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ImPlotFlags_QueryX = 1 << 12,// show x-axis query
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ImPlotFlags_Default = ImPlotFlags_MousePos | ImPlotFlags_Legend | ImPlotFlags_Highlight | ImPlotFlags_Selection | ImPlotFlags_ContextMenu | ImPlotFlags_CullData
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};
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@ -61,7 +64,8 @@ enum ImAxisFlags_ {
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ImAxisFlags_Adaptive = 1 << 6, // grid divisions will adapt to the current pixel size the axis
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ImAxisFlags_LogScale = 1 << 7, // a logartithmic (base 10) axis scale will be used
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ImAxisFlags_Scientific = 1 << 8, // scientific notation will be used for tick labels if displayed (WIP, not very good yet)
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ImAxisFlags_Default = ImAxisFlags_GridLines | ImAxisFlags_TickMarks | ImAxisFlags_TickLabels | ImAxisFlags_Adaptive
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ImAxisFlags_Default = ImAxisFlags_GridLines | ImAxisFlags_TickMarks | ImAxisFlags_TickLabels | ImAxisFlags_Adaptive,
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ImAxisFlags_Auxiliary = ImAxisFlags_Default & ~ImAxisFlags_GridLines,
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};
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// Plot styling colors
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@ -74,13 +78,17 @@ enum ImPlotCol_ {
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ImPlotCol_FrameBg, // plot frame background color (defaults to ImGuiCol_FrameBg)
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ImPlotCol_PlotBg, // plot area background color (defaults to ImGuiCol_WindowBg)
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ImPlotCol_PlotBorder, // plot area border color (defaults to ImGuiCol_Text)
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ImPlotCol_XAxis, // x-axis grid/label color (defaults to ImGuiCol_Text)
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ImPlotCol_YAxis, // x-axis grid/label color (defaults to ImGuiCol_Text)
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ImPlotCol_XAxis, // x-axis grid/label color (defaults to 25% ImGuiCol_Text)
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ImPlotCol_YAxis, // y-axis grid/label color (defaults to 25% ImGuiCol_Text)
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ImPlotCol_YAxis2, // 2nd y-axis grid/label color (defaults to 25% ImGuiCol_Text)
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ImPlotCol_YAxis3, // 3rd y-axis grid/label color (defaults to 25% ImGuiCol_Text)
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ImPlotCol_Selection, // box-selection color (defaults to yellow)
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ImPlotCol_Query, // box-query color (defaults to green)
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ImPlotCol_QueryX, // x-axis query color (defaults to red)
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ImPlotCol_COUNT
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};
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// Plot styling variables
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enum ImPlotStyleVar_ {
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ImPlotStyleVar_LineWeight, // float, line weight in pixels
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ImPlotStyleVar_Marker, // int, marker specification
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@ -108,11 +116,19 @@ enum ImMarker_ {
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ImMarker_Asterisk = 1 << 10, // a asterisk marker will be rendered at each point (not filled)
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};
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/// Plot range utility struct
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// A range defined by a min/max value. Used for plot axes ranges.
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struct ImPlotRange {
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float XMin, XMax, YMin, YMax;
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float Min, Max;
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ImPlotRange();
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bool Contains(const ImVec2& p);
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bool Contains(float value) const;
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float Size() const;
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};
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// Combination of two ranges for X and Y axes.
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struct ImPlotLimits {
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ImPlotRange X, Y;
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ImPlotLimits();
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bool Contains(const ImVec2& p) const;
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};
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// Plot style structure
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@ -139,15 +155,16 @@ namespace ImGui {
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// be called, e.g. "if (BeginPlot(...)) { ... EndPlot(); }"". #title_id must
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// be unique. If you need to avoid ID collisions or don't want to display a
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// title in the plot, use double hashes (e.g. "MyPlot##Hidden"). If #x_label
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// and/or #y_label are provided, axes labels will be displayed. Flags are only
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// set ONCE during the first call to BeginPlot.
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// and/or #y_label are provided, axes labels will be displayed.
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bool BeginPlot(const char* title_id,
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const char* x_label = NULL,
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const char* y_label = NULL,
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const ImVec2& size = ImVec2(-1,-1),
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ImPlotFlags flags = ImPlotFlags_Default,
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ImAxisFlags x_flags = ImAxisFlags_Default,
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ImAxisFlags y_flags = ImAxisFlags_Default);
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const char* x_label = NULL,
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const char* y_label = NULL,
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const ImVec2& size = ImVec2(-1,-1),
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ImPlotFlags flags = ImPlotFlags_Default,
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ImAxisFlags x_flags = ImAxisFlags_Default,
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ImAxisFlags y_flags = ImAxisFlags_Default,
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ImAxisFlags y2_flags = ImAxisFlags_Auxiliary,
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ImAxisFlags y3_flags = ImAxisFlags_Auxiliary);
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// Only call EndPlot() if BeginPlot() returns true! Typically called at the end
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// of an if statement conditioned on BeginPlot().
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void EndPlot();
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@ -156,7 +173,7 @@ void EndPlot();
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// Plot Items
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//-----------------------------------------------------------------------------
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// Plots a standard 2D line and/or scatter plot .
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// Plots a standard 2D line and/or scatter plot.
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void Plot(const char* label_id, const float* values, int count, int offset = 0, int stride = sizeof(float));
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void Plot(const char* label_id, const float* xs, const float* ys, int count, int offset = 0, int stride = sizeof(float));
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void Plot(const char* label_id, const ImVec2* data, int count, int offset = 0);
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@ -187,15 +204,16 @@ void PlotDigital(const char* label_id, ImVec2 (*getter)(void* data, int idx), vo
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/// Returns true if the plot area in the current or most recent plot is hovered.
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bool IsPlotHovered();
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/// Returns the mouse position in x,y coordinates of the current or most recent plot.
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ImVec2 GetPlotMousePos();
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/// Returns the current or most recent plot axis range.
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ImPlotRange GetPlotRange();
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/// Returns the mouse position in x,y coordinates of the current or most recent plot. A negative y_axis uses the current value of SetPlotYAxis (0 initially).
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ImVec2 GetPlotMousePos(int y_axis = -1);
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/// Returns the current or most recent plot axis range. A negative y_axis uses the current value of SetPlotYAxis (0 initially).
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ImPlotLimits GetPlotLimits(int y_axis = -1);
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/// Returns true if the current or most recent plot is being queried.
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bool IsPlotQueried();
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/// Returns the current or most recent plot querey range.
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ImPlotRange GetPlotQuery();
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/// Returns the current or most recent plot query bounds.
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ImPlotLimits GetPlotQuery(int y_axis = -1);
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/// Returns the current x-axis query range.
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ImPlotLimits GetPlotQueryX();
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//-----------------------------------------------------------------------------
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// Plot Styling
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//-----------------------------------------------------------------------------
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@ -226,22 +244,25 @@ void PopPlotStyleVar(int count = 1);
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// Plot Utils
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//-----------------------------------------------------------------------------
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/// Set the axes ranges of the next plot. Call right before BeginPlot(). If ImGuiCond_Always is used, the axes will be locked.
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void SetNextPlotRange(float x_min, float x_max, float y_min, float y_max, ImGuiCond cond = ImGuiCond_Once);
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/// Set the X axis range of the next plot. Call right before BeginPlot(). If ImGuiCond_Always is used, the axis will be locked.
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void SetNextPlotRangeX(float x_min, float x_max, ImGuiCond cond = ImGuiCond_Once);
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/// Set the X axis range of the next plot. Call right before BeginPlot(). If ImGuiCond_Always is used, the axis will be locked.
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void SetNextPlotRangeY(float y_min, float y_max, ImGuiCond cond = ImGuiCond_Once);
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/// Set the axes range limits of the next plot. Call right before BeginPlot(). If ImGuiCond_Always is used, the axes limits will be locked.
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void SetNextPlotLimits(float x_min, float x_max, float y_min, float y_max, ImGuiCond cond = ImGuiCond_Once);
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/// Set the X axis range limits of the next plot. Call right before BeginPlot(). If ImGuiCond_Always is used, the axis limits will be locked.
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void SetNextPlotLimitsX(float x_min, float x_max, ImGuiCond cond = ImGuiCond_Once);
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/// Set the Y axis range limits of the next plot. Call right before BeginPlot(). If ImGuiCond_Always is used, the axis limits will be locked.
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void SetNextPlotLimitsY(float y_min, float y_max, ImGuiCond cond = ImGuiCond_Once, int y_axis = 0);
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/// Select which Y axis will be used for subsequent plot elements. The default is '0', or the first Y axis.
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void SetPlotYAxis(int y_axis);
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// Get the current Plot position (top-left) in pixels.
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ImVec2 GetPlotPos();
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// Get the curent Plot size in pixels.
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ImVec2 GetPlotSize();
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// Convert pixels to a position in the current plot's coordinate system.
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ImVec2 PixelsToPlot(const ImVec2& pix);
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// Convert a position in the current plot's coordinate system to pixels.
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ImVec2 PlotToPixels(const ImVec2& plt);
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// Convert pixels to a position in the current plot's coordinate system. A negative y_axis uses the current value of SetPlotYAxis (0 initially).
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ImVec2 PixelsToPlot(const ImVec2& pix, int y_axis = -1);
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// Convert a position in the current plot's coordinate system to pixels. A negative y_axis uses the current value of SetPlotYAxis (0 initially).
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ImVec2 PlotToPixels(const ImVec2& plt, int y_axis = -1);
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// Push clip rect for rendering to current plot area
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void PushPlotClipRect();
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