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make PlotHeatmap autoscaling by default

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epezent 2021-03-19 22:43:03 -06:00
parent 1d9381a004
commit eea12d6b4c
2 changed files with 8 additions and 2 deletions
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4
implot.h
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@ -474,8 +474,8 @@ template <typename T> IMPLOT_API void PlotHLines(const char* label_id, const T*
// Plots a pie chart. If the sum of values > 1 or normalize is true, each value will be normalized. Center and radius are in plot units. #label_fmt can be set to NULL for no labels. // Plots a pie chart. If the sum of values > 1 or normalize is true, each value will be normalized. Center and radius are in plot units. #label_fmt can be set to NULL for no labels.
template <typename T> IMPLOT_API void PlotPieChart(const char* const label_ids[], const T* values, int count, double x, double y, double radius, bool normalize=false, const char* label_fmt="%.1f", double angle0=90); template <typename T> IMPLOT_API void PlotPieChart(const char* const label_ids[], const T* values, int count, double x, double y, double radius, bool normalize=false, const char* label_fmt="%.1f", double angle0=90);
// Plots a 2D heatmap chart. Values are expected to be in row-major order. #label_fmt can be set to NULL for no labels. // Plots a 2D heatmap chart. Values are expected to be in row-major order. Leave #scale_min and scale_max both at 0 for automatic color scaling, or set them to a predefined range. #label_fmt can be set to NULL for no labels.
template <typename T> IMPLOT_API void PlotHeatmap(const char* label_id, const T* values, int rows, int cols, double scale_min, double scale_max, const char* label_fmt="%.1f", const ImPlotPoint& bounds_min=ImPlotPoint(0,0), const ImPlotPoint& bounds_max=ImPlotPoint(1,1)); template <typename T> IMPLOT_API void PlotHeatmap(const char* label_id, const T* values, int rows, int cols, double scale_min=0, double scale_max=0, const char* label_fmt="%.1f", const ImPlotPoint& bounds_min=ImPlotPoint(0,0), const ImPlotPoint& bounds_max=ImPlotPoint(1,1));
// Plots a horizontal histogram. #bins can be a positive integer or an ImPlotBin_ method. If #cumulative is true, each bin contains its count plus the counts of all previous bins. // Plots a horizontal histogram. #bins can be a positive integer or an ImPlotBin_ method. If #cumulative is true, each bin contains its count plus the counts of all previous bins.
// If #density is true, the PDF is visualized. If both are true, the CDF is visualized. If #range is left unspecified, the min/max of #values will be used as the range. // If #density is true, the PDF is visualized. If both are true, the CDF is visualized. If #range is left unspecified, the min/max of #values will be used as the range.

6
implot_items.cpp
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@ -1847,6 +1847,12 @@ struct GetterHeatmap {
template <typename T, typename Transformer> template <typename T, typename Transformer>
void RenderHeatmap(Transformer transformer, ImDrawList& DrawList, const T* values, int rows, int cols, double scale_min, double scale_max, const char* fmt, const ImPlotPoint& bounds_min, const ImPlotPoint& bounds_max, bool reverse_y) { void RenderHeatmap(Transformer transformer, ImDrawList& DrawList, const T* values, int rows, int cols, double scale_min, double scale_max, const char* fmt, const ImPlotPoint& bounds_min, const ImPlotPoint& bounds_max, bool reverse_y) {
ImPlotContext& gp = *GImPlot; ImPlotContext& gp = *GImPlot;
if (scale_min == 0 && scale_max == 0) {
T temp_min, temp_max;
ImMinMaxArray(values,rows*cols,&temp_min,&temp_max);
scale_min = (double)temp_min;
scale_max = (double)temp_max;
}
if (scale_min == scale_max) { if (scale_min == scale_max) {
ImVec2 a = transformer(bounds_min); ImVec2 a = transformer(bounds_min);
ImVec2 b = transformer(bounds_max); ImVec2 b = transformer(bounds_max);