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Increase atlas size guesstimate; print warnings if atlas size is too small (#2365)

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megagrump 2022-03-01 11:26:48 +01:00 • committed by GitHub
parent 7bbaba38e4
commit 7584ce6f48
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1 changed files with 14 additions and 2 deletions
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16
src/rtext.c
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@ -683,7 +683,7 @@ Image GenImageFontAtlas(const GlyphInfo *chars, Rectangle **charRecs, int glyphC
// so image size would result bigger than default font type // so image size would result bigger than default font type
float requiredArea = 0; float requiredArea = 0;
for (int i = 0; i < glyphCount; i++) requiredArea += ((chars[i].image.width + 2*padding)*(chars[i].image.height + 2*padding)); for (int i = 0; i < glyphCount; i++) requiredArea += ((chars[i].image.width + 2*padding)*(chars[i].image.height + 2*padding));
float guessSize = sqrtf(requiredArea)*1.3f; float guessSize = sqrtf(requiredArea)*1.4f;
int imageSize = (int)powf(2, ceilf(logf((float)guessSize)/logf(2))); // Calculate next POT int imageSize = (int)powf(2, ceilf(logf((float)guessSize)/logf(2))); // Calculate next POT
atlas.width = imageSize; // Atlas bitmap width atlas.width = imageSize; // Atlas bitmap width
@ -730,7 +730,19 @@ Image GenImageFontAtlas(const GlyphInfo *chars, Rectangle **charRecs, int glyphC
// height is bigger than fontSize, it could be up to (fontSize + 8) // height is bigger than fontSize, it could be up to (fontSize + 8)
offsetY += (fontSize + 2*padding); offsetY += (fontSize + 2*padding);
if (offsetY > (atlas.height - fontSize - padding)) break; if (offsetY > (atlas.height - fontSize - padding))
{
for(int j = i + 1; j < glyphCount; j++)
{
TRACELOG(LOG_WARNING, "FONT: Failed to package character (%i)", j);
// make sure remaining recs contain valid data
recs[j].x = 0;
recs[j].y = 0;
recs[j].width = 0;
recs[j].height = 0;
}
break;
}
} }
} }
} }