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Code Issues 9 Releases Wiki Activity

Update documentation for `FT_LOAD_COLOR`.

This commit is contained in:
Werner Lemberg 2022-01-25 08:49:41 +01:00
parent 5e9caaee78
commit 6a8e95b7a0
1 changed files with 16 additions and 8 deletions
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24
include/freetype/freetype.h
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@ -3032,16 +3032,24 @@ FT_BEGIN_HEADER
* Disable the auto-hinter. See also the note below.
*
* FT_LOAD_COLOR ::
* Load colored glyphs. There are slight differences depending on the
* font format.
* Load colored glyphs. FreeType searches in the following order;
* there are slight differences depending on the font format.
*
* [Since 2.5] Load embedded color bitmap images. The resulting color
* bitmaps, if available, will have the @FT_PIXEL_MODE_BGRA format,
* with pre-multiplied color channels. If the flag is not set and
* color bitmaps are found, they are converted to 256-level gray
* bitmaps, using the @FT_PIXEL_MODE_GRAY format.
* [Since 2.5] Load embedded color bitmap images (provided
* @FT_LOAD_NO_BITMAP is not set). The resulting color bitmaps, if
* available, have the @FT_PIXEL_MODE_BGRA format, with pre-multiplied
* color channels. If the flag is not set and color bitmaps are found,
* they are converted to 256-level gray bitmaps, using the
* @FT_PIXEL_MODE_GRAY format.
*
* [Since 2.10, experimental] If the glyph index contains an entry in
* [Since 2.12] If the glyph index maps to an entry in the face's
* 'SVG~' table, load the associated SVG document from this table and
* set the `format` field of @FT_GlyphSlotRec to @FT_GLYPH_FORMAT_SVG.
* Note that FreeType itself can't render SVG documents; however, the
* library provides hooks to seamlessly integrate an external renderer.
* See sections @ot_svg_driver and @svg_fonts for more.
*
* [Since 2.10, experimental] If the glyph index maps to an entry in
* the face's 'COLR' table with a 'CPAL' palette table (as defined in
* the OpenType specification), make @FT_Render_Glyph provide a default
* blending of the color glyph layers associated with the glyph index,