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Fonts: fixed an issue when a font using MergeMode has a reference size specified but the target font doesn't.

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ocornut
2025-08-04 18:21:38 +09:00
parent 90025a62c7
commit 7e701c18c8
2 changed files with 8 additions and 3 deletions
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7
imgui_draw.cpp
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@@ -4573,15 +4573,16 @@ static bool ImGui_ImplStbTrueType_FontSrcInit(ImFontAtlas* atlas, ImFontConfig*
}
src->FontLoaderData = bd_font_data;
const float ref_size = src->DstFont->Sources[0]->SizePixels;
if (src->MergeMode && src->SizePixels == 0.0f)
src->SizePixels = src->DstFont->Sources[0]->SizePixels;
src->SizePixels = ref_size;
if (src->SizePixels >= 0.0f)
bd_font_data->ScaleFactor = stbtt_ScaleForPixelHeight(&bd_font_data->FontInfo, 1.0f);
else
bd_font_data->ScaleFactor = stbtt_ScaleForMappingEmToPixels(&bd_font_data->FontInfo, 1.0f);
if (src->MergeMode && src->SizePixels != 0.0f)
bd_font_data->ScaleFactor *= src->SizePixels / src->DstFont->Sources[0]->SizePixels; // FIXME-NEWATLAS: Should tidy up that a bit
if (src->MergeMode && src->SizePixels != 0.0f && ref_size != 0.0f)
bd_font_data->ScaleFactor *= src->SizePixels / ref_size; // FIXME-NEWATLAS: Should tidy up that a bit
return true;
}