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[rtext] Adjust font atlas area calculation so padding area is not underestimated at small font sizes. #3719

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merged 1 commit into from
Jan 10, 2024
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[rtext] Adjust font atlas area calculation so padding area is not underestimated at small font sizes. #3719

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5 changes: 3 additions & 2 deletions src/rtext.c
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Original file line number Diff line number Diff line change
Expand Up @@ -725,7 +725,7 @@ Image GenImageFontAtlas(const GlyphInfo *glyphs, Rectangle **glyphRecs, int glyp
for (int i = 0; i < glyphCount; i++)
{
if (glyphs[i].image.width > maxGlyphWidth) maxGlyphWidth = glyphs[i].image.width;
totalWidth += glyphs[i].image.width + 4*padding;
totalWidth += glyphs[i].image.width + 2*padding;
}

//#define SUPPORT_FONT_ATLAS_SIZE_CONSERVATIVE
Expand All @@ -743,8 +743,9 @@ Image GenImageFontAtlas(const GlyphInfo *glyphs, Rectangle **glyphRecs, int glyp
atlas.width = imageSize; // Atlas bitmap width
atlas.height = imageSize; // Atlas bitmap height
#else
int paddedFontSize = fontSize + 2*padding;
// No need for a so-conservative atlas generation
float totalArea = totalWidth*fontSize*1.2f;
float totalArea = totalWidth*paddedFontSize*1.2f;
float imageMinSize = sqrtf(totalArea);
int imageSize = (int)powf(2, ceilf(logf(imageMinSize)/logf(2)));

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