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bug 719410 pt 1 - don't use subpixel AA under GDI/DirectWrite if ClearType is disabled system-wide. r=bas

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This commit is contained in:
Jonathan Kew 2012-03-06 17:38:55 +00:00
parent a31674b55c
commit 49eeb01f2a
1 changed files with 11 additions and 1 deletions
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12
gfx/cairo/cairo/src/cairo-dwrite-font.cpp
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@ -1157,7 +1157,17 @@ _dwrite_draw_glyphs_to_gdi_surface_gdi(cairo_win32_surface_t *surface,
surface->dc,
area.left, area.top,
SRCCOPY | NOMIRRORBITMAP);
HRESULT hr = rt->DrawGlyphRun(0, 0, DWRITE_MEASURING_MODE_NATURAL, run, params, color);
DWRITE_MEASURING_MODE measureMode;
switch (scaled_font->rendering_mode) {
case cairo_d2d_surface_t::TEXT_RENDERING_GDI_CLASSIC:
case cairo_d2d_surface_t::TEXT_RENDERING_NO_CLEARTYPE:
measureMode = DWRITE_MEASURING_MODE_GDI_CLASSIC;
break;
default:
measureMode = DWRITE_MEASURING_MODE_NATURAL;
break;
}
HRESULT hr = rt->DrawGlyphRun(0, 0, measureMode, run, params, color);
BitBlt(surface->dc,
area.left, area.top,
area.right - area.left, area.bottom - area.top,