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docs: Clarify 0xFFFF as palette index 

Mention that a palette index of 0xFFFF
means to use the foreground color.
This commit is contained in:
Matthias Clasen 2022-07-09 21:57:25 -04:00 committed by Behdad Esfahbod
parent 0cd404d0b8
commit d826a5920c
1 changed files with 4 additions and 0 deletions
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4
src/hb-ot-color.h
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@ -102,6 +102,10 @@ hb_ot_color_has_layers (hb_face_t *face);
* *
* Pairs of glyph and color index. * Pairs of glyph and color index.
* *
* A color index of 0xFFFF does not refer to a palette
* color, but indicates that the foreground color should
* be used.
*
* Since: 2.1.0 * Since: 2.1.0
**/ **/
typedef struct hb_ot_color_layer_t { typedef struct hb_ot_color_layer_t {