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[NTGDI:FREETYPE] Account for non-breaking spaces in x-dim of IntExtTextOutW (#7479)

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CORE-19768
Follow up of PR #7274. This stop WARN's from FF 28 as well.

* Make del and nbsp const's based on reviewer comments.
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Doug Lyons 2024-10-26 16:44:39 -05:00 committed by GitHub
parent 3736938030
commit 3bb1e64408
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1 changed files with 7 additions and 5 deletions
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12
win32ss/gdi/ntgdi/freetype.c
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@ -6795,7 +6795,8 @@ IntExtTextOutW(
FONT_CACHE_ENTRY Cache;
FT_Matrix mat;
BOOL bNoTransform;
DWORD ch0, ch1, etx = 3; // etx is ASCII End of Text
DWORD ch0, ch1;
const DWORD del = 0x7f, nbsp = 0xa0; // DEL is ASCII DELETE and nbsp is a non-breaking space
FONTLINK_CHAIN Chain;
SIZE spaceWidth;
@ -7063,13 +7064,14 @@ IntExtTextOutW(
bitSize.cx = realglyph->bitmap.width;
bitSize.cy = realglyph->bitmap.rows;
/* Do chars other than space and etx have a bitSize.cx of zero? */
if (ch0 != L' ' && ch0 != etx && bitSize.cx == 0)
/* Do chars > space & not DEL & not nbsp have a bitSize.cx of zero? */
if (ch0 > L' ' && ch0 != del && ch0 != nbsp && bitSize.cx == 0)
DPRINT1("WARNING: WChar 0x%04x has a bitSize.cx of zero\n", ch0);
/* Don't ignore spaces when computing offset.
/* Don't ignore spaces or non-breaking spaces when computing offset.
* This completes the fix of CORE-11787. */
if ((pdcattr->flTextAlign & TA_UPDATECP) && ch0 == L' ' && bitSize.cx == 0)
if ((pdcattr->flTextAlign & TA_UPDATECP) && bitSize.cx == 0 &&
(ch0 == L' ' || ch0 == nbsp)) // Space chars needing x-dim widths
{
IntUnLockFreeType();
/* Get the width of the space character */