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Make DirectWrite backend to work with different font sizes 

Actually copyedited same logic from Uniscribe to make it just work
This commit is contained in:
Ebrahim Byagowi 2016-03-30 20:15:09 +00:00
parent 0251b0cc5c
commit 1c00a46c7a
1 changed files with 6 additions and 1 deletions
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7
src/hb-directwrite.cc
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@ -739,6 +739,11 @@ _hb_directwrite_shape(hb_shape_plan_t *shape_plan,
#undef ALLOCATE_ARRAY #undef ALLOCATE_ARRAY
int font_size = font->face->get_upem();
if (font_size < 0)
font_size = -font_size;
int x_mult = (double)font->x_scale / font_size;
hr = analyzer->GetGlyphPlacements(pchars, hr = analyzer->GetGlyphPlacements(pchars,
clusters, clusters,
textProperties, textProperties,
@ -747,7 +752,7 @@ _hb_directwrite_shape(hb_shape_plan_t *shape_plan,
glyphProperties, glyphProperties,
actualGlyphs, actualGlyphs,
fontFace, fontFace,
face->get_upem(), font_size * x_mult,
FALSE, FALSE,
FALSE, FALSE,
&runHead->mScript, &runHead->mScript,