fixed rendering of histogram with a lot of values

9 years ago · 93200a6c37
1 changed files with 1 additions and 1 deletions
--- a/imgui.cpp
+++ b/imgui.cpp
@ -6613,7 +6613,7 @@ void ImGui::PlotEx(ImGuiPlotType plot_type, const char* label, float (*values_ge
    for (int n = 0; n < res_w; n++)
    {
        const float t1 = t0 + t_step;
-        const int v_idx = (int)(t0 * values_count);
+        const int v_idx = (int)(t0 * values_count + 0.5f);
        IM_ASSERT(v_idx >= 0 && v_idx < values_count);
        const float v1 = values_getter(data, (v_idx + values_offset + 1) % values_count);
        const ImVec2 p1 = ImVec2( t1, 1.0f - ImSaturate((v1 - scale_min) / (scale_max - scale_min)) );