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optimize cache_get n shiet

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Alessandro Mauri 2023-02-25 00:02:48 +01:00
parent ae8bbc0077
commit 9de467eae9
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GPG key ID: 2B7BF9531FF03BE8
6 changed files with 20 additions and 30 deletions
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5
text_rendering/font.c
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@ -46,7 +46,8 @@ struct font_atlas * font_init(void)
// loads a font into memory, storing all the ASCII characters in the atlas, each font
// atlas structure holds glyphs of a specific size
// atlas structure holds glyphs of a specific size in pixels
// NOTE: size includes ascend and descend (so 12 does not mean that 'A' is 12px tall)
int font_load(struct font_atlas *atlas, const char *path, int size)
{
if (!atlas || !path)
@ -62,9 +63,9 @@ int font_load(struct font_atlas *atlas, const char *path, int size)
int ascent, descent, linegap, baseline;
int x0,y0,x1,y1;
float scale;
scale = stbtt_ScaleForPixelHeight(&(PRIV(atlas)->stb), size);
stbtt_GetFontVMetrics(&(PRIV(atlas)->stb), &ascent, &descent, &linegap);
stbtt_GetFontBoundingBox(&(PRIV(atlas)->stb), &x0, &y0, &x1, &y1);
scale = stbtt_ScaleForPixelHeight(&(PRIV(atlas)->stb), size);
baseline = scale * -y0;
atlas->glyph_max_w = (scale*x1) - (scale*x0);
atlas->glyph_max_h = (baseline+scale*y1) - (baseline+scale*y0);