Method DebugNodeFont

imgui_tiny_app/imgui/imgui.cpp:23278–23428

[DEBUG] Display details for a single font, called by ShowStyleEditor().

// [DEBUG] Display details for a single font, called by ShowStyleEditor().
void ImGui::DebugNodeFont(ImFont* font)
{
    ImGuiContext& g = *GImGui;
    ImGuiMetricsConfig* cfg = &g.DebugMetricsConfig;
    ImFontAtlas* atlas = font->OwnerAtlas;
    bool opened = TreeNode(font, "Font: \"%s\": %d sources(s)", font->GetDebugName(), font->Sources.Size);

    // Display preview text
    if (!opened)
        Indent();
    Indent();
    if (cfg->ShowFontPreview)
    {
        PushFont(font, 0.0f);
        Text("The quick brown fox jumps over the lazy dog");
        PopFont();
    }
    if (!opened)
    {
        Unindent();
        Unindent();
        return;
    }
    if (SmallButton("Set as default"))
        GetIO().FontDefault = font;
    SameLine();
    BeginDisabled(atlas->Fonts.Size <= 1 || atlas->Locked);
    if (SmallButton("Remove"))
        atlas->RemoveFont(font);
    EndDisabled();
    SameLine();
    if (SmallButton("Clear bakes"))
        ImFontAtlasFontDiscardBakes(atlas, font, 0);
    SameLine();
    if (SmallButton("Clear unused"))
        ImFontAtlasFontDiscardBakes(atlas, font, 2);

    // Display details
#ifndef IMGUI_DISABLE_OBSOLETE_FUNCTIONS
    SetNextItemWidth(GetFontSize() * 8);
    DragFloat("Font scale", &font->Scale, 0.005f, 0.3f, 2.0f, "%.1f");
    /*SameLine(); MetricsHelpMarker(
        "Note that the default embedded font is NOT meant to be scaled.\n\n"
        "Font are currently rendered into bitmaps at a given size at the time of building the atlas. "
        "You may oversample them to get some flexibility with scaling. "
        "You can also render at multiple sizes and select which one to use at runtime.\n\n"
        "(Glimmer of hope: the atlas system will be rewritten in the future to make scaling more flexible.)");*/
#endif

    char c_str[5];
    ImTextCharToUtf8(c_str, font->FallbackChar);
    Text("Fallback character: '%s' (U+%04X)", c_str, font->FallbackChar);
    ImTextCharToUtf8(c_str, font->EllipsisChar);
    Text("Ellipsis character: '%s' (U+%04X)", c_str, font->EllipsisChar);

    for (int src_n = 0; src_n < font->Sources.Size; src_n++)
    {
        ImFontConfig* src = font->Sources[src_n];