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Fix a TrueType CMAP decoding bug and add a NotoSans-Regular test page.

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This commit is contained in:
Michael R Sweet
2023-11-18 22:15:52 -05:00
parent a5dfac7495
commit d36df63b57
3 changed files with 39 additions and 15 deletions
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5
ttf.c
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@@ -479,7 +479,7 @@ ttfCreate(const char *filename, // I - Filename
}
#ifdef DEBUG
if (i >= ' ' && i < 127)
if (i >= ' ' && i < 127 && font->widths[0])
TTF_DEBUG("ttfCreate: width['%c']=%d(%d)\n", (char)i, font->widths[0][i].width, font->widths[0][i].left_bearing);
#endif // DEBUG
}
@@ -1307,8 +1307,9 @@ read_cmap(ttf_t *font) // I - Font
{
// Use an "obscure indexing trick" (words from the spec, not
// mine) to look up the glyph index...
temp = segment->idRangeOffset / 2 + ch - segment->startCode + seg - segCount;
temp = segment->idRangeOffset / 2 - segCount + (ch - segment->startCode) + (seg - segCount);
TTF_DEBUG("read_cmap: ch=%d, temp=%d\n", ch, temp);
if (temp < 0 || temp >= numGlyphIdArray)
glyph = -1;
else