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bug fix, suggested by Tor Lillqvist

This commit is contained in:
David Turner 2000-06-07 20:06:18 +00:00
parent de6523ee05
commit b770a4ab6d
1 changed files with 13 additions and 1 deletions
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14
src/sfnt/ttcmap.c
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@ -452,11 +452,22 @@
/* check against the last segment */
seg4 = cmap4->last_segment;
/* the following is equivalent to performing two tests, as in : */
/* */
/* if ( charCode >= seg4->startCount && charCode <= seg4->endCount */
/* */
/* Yes, that's a bit strange, but it's faster, and the idea behind */
/* the cache is to significantly speed up charcode to glyph index */
/* conversion.. */
/* */
/* Sorry if it isn't clear to your eyes.. */
/* */
if ( (TT_ULong)(charCode - seg4->startCount) <
(TT_ULong)(seg4->endCount - seg4->startCount) )
goto Found;
for ( seg4 = cmap4->segments; seg4 < limit; seg4++, segCount-- )
for ( seg4 = cmap4->segments; seg4 < limit; seg4++ )
{
/* the ranges are sorted in increasing order. If we are out of */
/* the range here, the char code isn't in the charmap, so exit. */
@ -481,6 +492,7 @@
/* otherwise, we must use the glyphIdArray to do it */
index1 = seg4->idRangeOffset / 2
+ ( charCode - seg4->startCount )
+ ( seg4 - cmap4->segments )
- segCount;
if ( index1 < cmap4->numGlyphId &&