Function SampleColormapU32

implot3d.cpp:3240–3245

ImVec4 GetColormapColor(int idx, ImPlot3DColormap cmap) { return ImGui::ColorConvertU32ToFloat4(GetColormapColorU32(idx, cmap)); }

ImU32 SampleColormapU32(float t, ImPlot3DColormap cmap) {
    ImPlot3DContext& gp = *GImPlot3D;
    cmap = cmap == IMPLOT3D_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, ImPlot3DColormap cmap) { return ImGui::ColorConvertU32ToFloat4(SampleColormapU32(t, cmap)); }