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imgui_freetype: fixed divide by zero while handling FT_PIXEL_MODE_BGRA glyphs. (#7267, #3369)

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ocornut 2024-07-01 14:57:33 +02:00
parent dd5c30d2d7
commit 50a0f18e6a
2 changed files with 2 additions and 1 deletions
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2
misc/freetype/imgui_freetype.cpp
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@ -357,7 +357,7 @@ namespace
case FT_PIXEL_MODE_BGRA:
{
// FIXME: Converting pre-multiplied alpha to straight. Doesn't smell good.
#define DE_MULTIPLY(color, alpha) (ImU32)(255.0f * (float)color / (float)alpha + 0.5f)
#define DE_MULTIPLY(color, alpha) ImMin((ImU32)(255.0f * (float)color / (float)(alpha + FLT_MIN) + 0.5f), 255u)
if (multiply_table == nullptr)
{
for (uint32_t y = 0; y < h; y++, src += src_pitch, dst += dst_pitch)