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gdi32: Implement synthesizing bold glyphs for bitmap fonts. 

Signed-off-by: Akihiro Sagawa <sagawa.aki@gmail.com>
Signed-off-by: Huw Davies <huw@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Akihiro Sagawa 2016-01-13 23:09:11 +09:00 committed by Alexandre Julliard
parent ba79c19d09
commit a8d426e93a
1 changed files with 24 additions and 5 deletions
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27
dlls/gdi32/freetype.c
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@ -6917,8 +6917,10 @@ static DWORD get_glyph_outline(GdiFont *incoming_font, UINT glyph, UINT format,
}
metrics = ft_face->glyph->metrics;
if(font->fake_bold)
get_bold_glyph_outline(ft_face->glyph, font->ppem, &metrics);
if(font->fake_bold) {
if (!get_bold_glyph_outline(ft_face->glyph, font->ppem, &metrics) && metrics.width)
metrics.width += 1 << 6;
}
/* Some poorly-created fonts contain glyphs that exceed the boundaries set
* by the text metrics. The proper behavior is to clip the glyph metrics to
@ -7068,7 +7070,17 @@ static DWORD get_glyph_outline(GdiFont *incoming_font, UINT glyph, UINT format,
INT w = min( pitch, (ft_face->glyph->bitmap.width + 7) >> 3 );
INT h = min( height, ft_face->glyph->bitmap.rows );
while(h--) {
if (!font->fake_bold)
memcpy(dst, src, w);
else {
INT x;
dst[0] = 0;
for (x = 0; x < w; x++) {
dst[x ] = (dst[x] & 0x80) | (src[x] >> 1) | src[x];
if (x+1 < pitch)
dst[x+1] = (src[x] & 0x01) << 7;
}
}
src += ft_face->glyph->bitmap.pitch;
dst += pitch;
}
@ -7124,8 +7136,12 @@ static DWORD get_glyph_outline(GdiFont *incoming_font, UINT glyph, UINT format,
INT x;
memset( buf, 0, needed );
while(h--) {
for(x = 0; x < pitch && x < ft_face->glyph->bitmap.width; x++)
if (src[x / 8] & masks[x % 8]) dst[x] = max_level;
for(x = 0; x < pitch && x < ft_face->glyph->bitmap.width; x++) {
if (src[x / 8] & masks[x % 8]) {
dst[x] = max_level;
if (font->fake_bold && x+1 < pitch) dst[x+1] = max_level;
}
}
src += ft_face->glyph->bitmap.pitch;
dst += pitch;
}
@ -7199,7 +7215,10 @@ static DWORD get_glyph_outline(GdiFont *incoming_font, UINT glyph, UINT format,
for (x = 0; x < width && x < ft_face->glyph->bitmap.width; x++)
{
if ( src[x / 8] & masks[x % 8] )
{
((unsigned int *)dst)[x] = ~0u;
if (font->fake_bold && x+1 < width) ((unsigned int *)dst)[x+1] = ~0u;
}
}
src += src_pitch;
dst += pitch;