Color glyph framework and rendering (3/3).

* include/freetype/config/ftmodule.h, src/smooth/module.mk:
Register color renderer.
* include/freetype/freetype.h (FT_RENDER_MODE_BGRA): Introduce it.
* src/base/ftobjs.c (ft_glyphslot_preset_bitmap): Handle BGRA mode.
* src/smooth/ftsmooth.c (ft_smooth_render_bgra): Implement it.
(ft_smooth_bgra_renderer_class): Define it.
* src/smooth/ftsmooth.h: Declare it.
7 files changed