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Clarify docs.

This commit is contained in:
Alexei Podtelezhnikov 2019-04-23 21:51:42 -04:00
parent 6abce2c2b0
commit 432bb50ff5
1 changed files with 4 additions and 7 deletions
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11
include/freetype/ftimage.h
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@ -945,19 +945,16 @@ FT_BEGIN_HEADER
* This flag is set to indicate direct rendering. In this mode, client * This flag is set to indicate direct rendering. In this mode, client
* applications must provide their own span callback. This lets them * applications must provide their own span callback. This lets them
* directly draw or compose over an existing bitmap. If this bit is * directly draw or compose over an existing bitmap. If this bit is
* not set, the target pixmap's buffer _must_ be zeroed before * _not_ set, the target pixmap's buffer _must_ be zeroed before
* rendering. * rendering and the output will be clipped to its size.
* *
* Direct rendering is only possible with anti-aliased glyphs. * Direct rendering is only possible with anti-aliased glyphs.
* *
* FT_RASTER_FLAG_CLIP :: * FT_RASTER_FLAG_CLIP ::
* This flag is only used in direct rendering mode. If set, the output * This flag is only used in direct rendering mode. If set, the output
* will be clipped to a box specified in the `clip_box` field of the * will be clipped to a box specified in the `clip_box` field of the
* @FT_Raster_Params structure. * @FT_Raster_Params structure. Otherwise, the `clip_box` is
* * effectively set to the bounding box and all spans are generated.
* Note that by default, the glyph bitmap is clipped to the target
* pixmap, except in direct rendering mode where all spans are
* generated if no clipping box is set.
*/ */
#define FT_RASTER_FLAG_DEFAULT 0x0 #define FT_RASTER_FLAG_DEFAULT 0x0
#define FT_RASTER_FLAG_AA 0x1 #define FT_RASTER_FLAG_AA 0x1