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Ray 2023-03-22 11:08:46 +01:00
parent 8b8eddc8e2
commit ecb6a6af32
1 changed files with 9 additions and 3 deletions
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12
src/rtext.c
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@ -695,14 +695,20 @@ Image GenImageFontAtlas(const GlyphInfo *chars, Rectangle **charRecs, int glyphC
Rectangle *recs = (Rectangle *)RL_MALLOC(glyphCount*sizeof(Rectangle));
// Calculate image size based on total glyph width and glyph row count
int totalWidth = 0, maxGlyphWidth = 0;
int totalWidth = 0;
int maxGlyphWidth = 0;
for (int i = 0; i < glyphCount; i++)
{
if (chars[i].image.width > maxGlyphWidth) maxGlyphWidth = chars[i].image.width;
totalWidth += chars[i].image.width + 2*padding;
}
int rowCount = 0, imageSize = 64; // A minimum starting value to avoid unnecessary calculation steps for very small images
while (totalWidth > (imageSize - maxGlyphWidth)*rowCount) // maxGlyphWidth is maximum possible space left at the end of row
int rowCount = 0;
int imageSize = 64; // Define minimum starting value to avoid unnecessary calculation steps for very small images
// NOTE: maxGlyphWidth is maximum possible space left at the end of row
while (totalWidth > (imageSize - maxGlyphWidth)*rowCount)
{
imageSize *= 2; // Double the size of image (to keep POT)
rowCount = imageSize/(fontSize + 2*padding); // Calculate new row count for the new image size