Function SampleColormapU32

src/external/imgui/implot.cpp:4576–4581

}

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));