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Fonts: avoid baking ExtraSizeScale twice into Ascent/Descent.

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Amend 55ad3b4
With extreme values of ExtraSizeScale offset would be noticeable in Descent - TextLink() function - or Ascent - TableAngledHeadersRow() function.
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ocornut
2026-02-05 16:46:15 +01:00
parent 524f01d248
commit 1bcc23ef12
2 changed files with 2 additions and 2 deletions
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2
misc/freetype/imgui_freetype.cpp
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@@ -451,7 +451,7 @@ static bool ImGui_ImplFreeType_FontBakedInit(ImFontAtlas* atlas, ImFontConfig* s
{
// Read metrics
FT_Size_Metrics metrics = bd_baked_data->FtSize->metrics;
const float scale = 1.0f / rasterizer_density;
const float scale = 1.0f / (rasterizer_density * src->ExtraSizeScale);
baked->Ascent = (float)FT_CEIL(metrics.ascender) * scale; // The pixel extents above the baseline in pixels (typically positive).
baked->Descent = (float)FT_CEIL(metrics.descender) * scale; // The extents below the baseline in pixels (typically negative).
//LineSpacing = (float)FT_CEIL(metrics.height) * scale; // The baseline-to-baseline distance. Note that it usually is larger than the sum of the ascender and descender taken as absolute values. There is also no guarantee that no glyphs extend above or below subsequent baselines when using this distance. Think of it as a value the designer of the font finds appropriate.