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REVIEWED: LoadFontData(), load image only if glyph has been found in font

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Ray
2023-12-03 20:17:16 +01:00
parent 84ae189953
commit a016b4ded2
1 changed files with 12 additions and 10 deletions
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6
src/rtext.c
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@@ -604,7 +604,6 @@ GlyphInfo *LoadFontData(const unsigned char *fileData, int dataSize, int fontSiz
// Fill fontChars in case not provided externally // Fill fontChars in case not provided externally
// NOTE: By default we fill glyphCount consecutively, starting at 32 (Space) // NOTE: By default we fill glyphCount consecutively, starting at 32 (Space)
if (codepoints == NULL) if (codepoints == NULL)
{ {
codepoints = (int *)RL_MALLOC(codepointCount*sizeof(int)); codepoints = (int *)RL_MALLOC(codepointCount*sizeof(int));
@@ -612,7 +611,7 @@ GlyphInfo *LoadFontData(const unsigned char *fileData, int dataSize, int fontSiz
genFontChars = true; genFontChars = true;
} }
chars = (GlyphInfo *)RL_MALLOC(codepointCount*sizeof(GlyphInfo)); chars = (GlyphInfo *)RL_CALLOC(codepointCount, sizeof(GlyphInfo));
// NOTE: Using simple packaging, one char after another // NOTE: Using simple packaging, one char after another
for (int i = 0; i < codepointCount; i++) for (int i = 0; i < codepointCount; i++)
@@ -630,6 +629,8 @@ GlyphInfo *LoadFontData(const unsigned char *fileData, int dataSize, int fontSiz
else if (ch != 32) chars[i].image.data = stbtt_GetCodepointSDF(&fontInfo, scaleFactor, ch, FONT_SDF_CHAR_PADDING, FONT_SDF_ON_EDGE_VALUE, FONT_SDF_PIXEL_DIST_SCALE, &chw, &chh, &chars[i].offsetX, &chars[i].offsetY); else if (ch != 32) chars[i].image.data = stbtt_GetCodepointSDF(&fontInfo, scaleFactor, ch, FONT_SDF_CHAR_PADDING, FONT_SDF_ON_EDGE_VALUE, FONT_SDF_PIXEL_DIST_SCALE, &chw, &chh, &chars[i].offsetX, &chars[i].offsetY);
else chars[i].image.data = NULL; else chars[i].image.data = NULL;
if (chars[i].image.data != NULL) // Glyph data has been found in the font
{
stbtt_GetCodepointHMetrics(&fontInfo, ch, &chars[i].advanceX, NULL); stbtt_GetCodepointHMetrics(&fontInfo, ch, &chars[i].advanceX, NULL);
chars[i].advanceX = (int)((float)chars[i].advanceX*scaleFactor); chars[i].advanceX = (int)((float)chars[i].advanceX*scaleFactor);
@@ -640,6 +641,7 @@ GlyphInfo *LoadFontData(const unsigned char *fileData, int dataSize, int fontSiz
chars[i].image.format = PIXELFORMAT_UNCOMPRESSED_GRAYSCALE; chars[i].image.format = PIXELFORMAT_UNCOMPRESSED_GRAYSCALE;
chars[i].offsetY += (int)((float)ascent*scaleFactor); chars[i].offsetY += (int)((float)ascent*scaleFactor);
}
// NOTE: We create an empty image for space character, it could be further required for atlas packing // NOTE: We create an empty image for space character, it could be further required for atlas packing
if (ch == 32) if (ch == 32)