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winex11.drv: XRenderCompositeText has a problem with 0x0 glyphs, so we'll pretend they're 1x1.

This commit is contained in:
Huw Davies 2007-06-06 15:20:16 +01:00 committed by Alexandre Julliard
parent 0bb92b37a4
commit c9fd5a265f
1 changed files with 16 additions and 2 deletions
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18
dlls/winex11.drv/xrender.c
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@ -633,6 +633,7 @@ static BOOL UploadGlyph(X11DRV_PDEVICE *physDev, int glyph, AA_Type format)
gsCacheEntryFormat *formatEntry;
UINT ggo_format = GGO_GLYPH_INDEX;
XRenderPictFormat pf;
const char zero = 0;
switch(format) {
case AA_Grey:
@ -790,7 +791,6 @@ static BOOL UploadGlyph(X11DRV_PDEVICE *physDev, int glyph, AA_Type format)
}
}
memcpy(&formatEntry->gis[glyph], &gi, sizeof(gi));
if(formatEntry->glyphset) {
if(format == AA_None && BitmapBitOrder(gdi_display) != MSBFirst) {
@ -809,14 +809,28 @@ static BOOL UploadGlyph(X11DRV_PDEVICE *physDev, int glyph, AA_Type format)
}
}
gid = glyph;
/*
XRenderCompositeText seems to ignore 0x0 glyphs when
AA_None, which means we lose the advance width of glyphs
like the space. We'll pretend that such glyphs are 1x1
bitmaps.
*/
if(buflen == 0)
gi.width = gi.height = 1;
wine_tsx11_lock();
pXRenderAddGlyphs(gdi_display, formatEntry->glyphset, &gid, &gi, 1,
buf, buflen);
buflen ? buf : &zero, buflen ? buflen : 1);
wine_tsx11_unlock();
HeapFree(GetProcessHeap(), 0, buf);
} else {
formatEntry->bitmaps[glyph] = buf;
}
memcpy(&formatEntry->gis[glyph], &gi, sizeof(gi));
return TRUE;
}