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[base] Fill 'COLR' v1 API templates to make them work (#59703). 

* src/base/ftobjs.c (FT_Get_Color_Glyph_Paint, FT_Get_Paint_Layers,
FT_Get_Paint, FT_Get_Colorline_Stops): Add basic sanity checks,
check for existence of `FT_Face`, check arguments and delegate calls
for the respective 'COLR' v1 API to the SFNT driver.
This commit is contained in:
Dominik Röttsches 2020-12-16 17:18:56 +02:00 committed by Werner Lemberg
parent d3e95d97a0
commit 4b58cf47cc
2 changed files with 85 additions and 4 deletions
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9
ChangeLog
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@ -1,3 +1,12 @@
2020-12-16 Dominik Röttsches <drott@chromium.org>
[base] Fill 'COLR' v1 API templates to make them work (#59703).
* src/base/ftobjs.c (FT_Get_Color_Glyph_Paint, FT_Get_Paint_Layers,
FT_Get_Paint, FT_Get_Colorline_Stops): Add basic sanity checks,
check for existence of `FT_Face`, check arguments and delegate calls
for the respective 'COLR' v1 API to the SFNT driver.
2020-12-16 Dominik Röttsches <drott@chromium.org>
[sfnt] Register 'COLR' v1 API in driver (#59703).

80
src/base/ftobjs.c
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@ -5568,39 +5568,111 @@
}
/* documentation is in freetype.h */
FT_EXPORT_DEF ( FT_Bool )
FT_Get_Color_Glyph_Paint( FT_Face face,
FT_UInt base_glyph,
FT_OpaquePaint* paint )
{
return 0;
TT_Face ttface;
SFNT_Service sfnt;
if ( !face || !paint )
return 0;
if ( !FT_IS_SFNT( face ) )
return 0;
ttface = (TT_Face)face;
sfnt = (SFNT_Service)ttface->sfnt;
if ( sfnt->get_colr_layer )
return sfnt->get_colr_glyph_paint( ttface, base_glyph, paint );
else
return 0;
}
/* documentation is in freetype.h */
FT_EXPORT_DEF ( FT_Bool )
FT_Get_Paint_Layers( FT_Face face,
FT_LayerIterator* layer_iterator,
FT_OpaquePaint* paint )
{
return 0;
TT_Face ttface;
SFNT_Service sfnt;
if ( !face || !paint || !layer_iterator )
return 0;
if ( !FT_IS_SFNT( face ) )
return 0;
ttface = (TT_Face)face;
sfnt = (SFNT_Service)ttface->sfnt;
if ( sfnt->get_paint_layers )
return sfnt->get_paint_layers( ttface, layer_iterator, paint );
else
return 0;
}
/* documentation is in freetype.h */
FT_EXPORT_DEF( FT_Bool )
FT_Get_Paint( FT_Face face,
FT_OpaquePaint opaque_paint,
FT_COLR_Paint* paint )
{
return 0;
TT_Face ttface;
SFNT_Service sfnt;
if ( !face || !paint || !paint )
return 0;
if ( !FT_IS_SFNT( face ) )
return 0;
ttface = (TT_Face)face;
sfnt = (SFNT_Service)ttface->sfnt;
if ( sfnt->get_paint )
return sfnt->get_paint( ttface, opaque_paint, paint );
else
return 0;
}
/* documentation is in freetype.h */
FT_EXPORT_DEF ( FT_Bool )
FT_Get_Colorline_Stops ( FT_Face face,
FT_ColorStop * color_stop,
FT_ColorStopIterator *iterator )
{
return 0;
TT_Face ttface;
SFNT_Service sfnt;
if ( !face || !color_stop || !iterator )
return 0;
if ( !FT_IS_SFNT( face ) )
return 0;
ttface = (TT_Face)face;
sfnt = (SFNT_Service)ttface->sfnt;
if ( sfnt->get_colorline_stops )
return sfnt->get_colorline_stops ( ttface, color_stop, iterator );
else
return 0;
}