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Fonts: amend assert when glyph range data seems incorrect. (#7856)

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This commit is contained in:
ocornut 2024-08-03 15:25:47 +02:00
parent 6864a7f839
commit 8cc6eee295
2 changed files with 6 additions and 4 deletions
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5
imgui_draw.cpp
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@ -2815,8 +2815,9 @@ static bool ImFontAtlasBuildWithStbTruetype(ImFontAtlas* atlas)
for (const ImWchar* src_range = src_tmp.SrcRanges; src_range[0] && src_range[1]; src_range += 2)
{
// Check for valid range. This may also help detect *some* dangling pointers, because a common
// user error is to setup ImFontConfig::GlyphRanges with a pointer to data that isn't persistent.
IM_ASSERT(src_range[0] <= src_range[1]);
// user error is to setup ImFontConfig::GlyphRanges with a pointer to data that isn't persistent,
// or to forget to zero-terminate the glyph range array.
IM_ASSERT(src_range[0] <= src_range[1] && "Invalid range: is your glyph range array persistent? it is zero-terminated?");
src_tmp.GlyphsHighest = ImMax(src_tmp.GlyphsHighest, (int)src_range[1]);
}
dst_tmp.SrcCount++;

5
misc/freetype/imgui_freetype.cpp
View File

@ -480,8 +480,9 @@ bool ImFontAtlasBuildWithFreeTypeEx(FT_Library ft_library, ImFontAtlas* atlas, u
for (const ImWchar* src_range = src_tmp.SrcRanges; src_range[0] && src_range[1]; src_range += 2)
{
// Check for valid range. This may also help detect *some* dangling pointers, because a common
// user error is to setup ImFontConfig::GlyphRanges with a pointer to data that isn't persistent.
IM_ASSERT(src_range[0] <= src_range[1]);
// user error is to setup ImFontConfig::GlyphRanges with a pointer to data that isn't persistent,
// or to forget to zero-terminate the glyph range array.
IM_ASSERT(src_range[0] <= src_range[1] && "Invalid range: is your glyph range array persistent? it is zero-terminated?");
src_tmp.GlyphsHighest = ImMax(src_tmp.GlyphsHighest, (int)src_range[1]);
}
dst_tmp.SrcCount++;