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imgui_freetype: Fixed a crash in build font atlas when using merged fonts and the first font in a merged set has no loaded glyph. (#8081)

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ocornut
2024-11-07 14:39:54 +01:00
parent 3543dfda95
commit 3b683927ee
2 changed files with 5 additions and 2 deletions
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5
misc/freetype/imgui_freetype.cpp
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@@ -681,8 +681,6 @@ bool ImFontAtlasBuildWithFreeTypeEx(FT_Library ft_library, ImFontAtlas* atlas, u
for (int src_i = 0; src_i < src_tmp_array.Size; src_i++)
{
ImFontBuildSrcDataFT& src_tmp = src_tmp_array[src_i];
if (src_tmp.GlyphsCount == 0)
continue;
// When merging fonts with MergeMode=true:
// - We can have multiple input fonts writing into a same destination font.
@@ -693,6 +691,9 @@ bool ImFontAtlasBuildWithFreeTypeEx(FT_Library ft_library, ImFontAtlas* atlas, u
const float ascent = src_tmp.Font.Info.Ascender;
const float descent = src_tmp.Font.Info.Descender;
ImFontAtlasBuildSetupFont(atlas, dst_font, &cfg, ascent, descent);
if (src_tmp.GlyphsCount == 0)
continue;
const float font_off_x = cfg.GlyphOffset.x;
const float font_off_y = cfg.GlyphOffset.y + IM_ROUND(dst_font->Ascent);