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add stbtt_GetFontXHeight

This commit is contained in:
brianush1 2021-02-28 20:40:22 -05:00
parent d668889235
commit a7d77f264e
1 changed files with 13 additions and 0 deletions
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13
ttf.d
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@ -2758,6 +2758,19 @@ public int stbtt_GetFontVMetricsOS2(stbtt_fontinfo* info, int *typoAscent, int
return 1; return 1;
} }
public int stbtt_GetFontXHeight(stbtt_fontinfo* info, int *xHeight)
{
int tab = stbtt__find_table(info.data, info.fontstart, "OS/2");
if (!tab)
return 0;
if (xHeight) {
auto height = ttSHORT(info.data+tab + 86);
if (height == 0) height = ttSHORT(info.data+tab + 2);
*xHeight = height;
}
return 1;
}
public void stbtt_GetFontBoundingBox(const(stbtt_fontinfo)* info, int *x0, int *y0, int *x1, int *y1) public void stbtt_GetFontBoundingBox(const(stbtt_fontinfo)* info, int *x0, int *y0, int *x1, int *y1)
{ {
*x0 = ttSHORT(info.data + info.head + 36); *x0 = ttSHORT(info.data + info.head + 36);