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REVIEWED: GenImageFontAtlas() #2556

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Just reviewed font atlas size estimation, now it considers `fontSize` instead of `chars[i].image.height`, increasing considerably the atlas size estimation.
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Ray 2022-07-29 12:01:18 +02:00
parent 241d6526b0
commit bb6b43b7cb
1 changed files with 3 additions and 3 deletions
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6
src/rtext.c
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@ -686,13 +686,13 @@ Image GenImageFontAtlas(const GlyphInfo *chars, Rectangle **charRecs, int glyphC
// NOTE 2: SDF font characters already contain an internal padding, // NOTE 2: SDF font characters already contain an internal padding,
// 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)*(fontSize + 2*padding));
float guessSize = sqrtf(requiredArea)*1.4f; 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
atlas.height = imageSize; // Atlas bitmap height atlas.height = imageSize; // Atlas bitmap height
atlas.data = (unsigned char *)RL_CALLOC(1, atlas.width*atlas.height); // Create a bitmap to store characters (8 bpp) atlas.data = (unsigned char *)RL_CALLOC(1, atlas.width*atlas.height); // Create a bitmap to store characters (8 bpp)
atlas.format = PIXELFORMAT_UNCOMPRESSED_GRAYSCALE; atlas.format = PIXELFORMAT_UNCOMPRESSED_GRAYSCALE;
atlas.mipmaps = 1; atlas.mipmaps = 1;