2018-05-01 17:16:46 +02:00
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/*
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* Copyright © 2016 Google, Inc.
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*
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* This is part of HarfBuzz, a text shaping library.
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*
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* Permission is hereby granted, without written agreement and without
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* license or royalty fees, to use, copy, modify, and distribute this
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* software and its documentation for any purpose, provided that the
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* above copyright notice and the following two paragraphs appear in
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* all copies of this software.
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*
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* IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
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* DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
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* ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
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* IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
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* DAMAGE.
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*
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* THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
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* BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
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* FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
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* ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
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* PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
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*
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* Google Author(s): Sascha Brawer
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*/
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#ifndef HB_OT_H_IN
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#error "Include <hb-ot.h> instead."
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#endif
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#ifndef HB_OT_COLOR_H
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#define HB_OT_COLOR_H
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#include "hb.h"
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HB_BEGIN_DECLS
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/*
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* CPAL -- Color Palette
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* https://docs.microsoft.com/en-us/typography/opentype/spec/cpal
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*/
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#define HB_OT_TAG_CPAL HB_TAG('C','P','A','L')
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/**
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* hb_ot_color_t:
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* ARGB data type for holding color values.
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*
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* Since: REPLACEME
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*/
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typedef uint32_t hb_ot_color_t;
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2018-10-19 16:53:42 +02:00
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#define hb_ot_color_get_alpha(color) (color & 0xFF)
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#define hb_ot_color_get_red(color) ((color >> 8) & 0xFF)
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#define hb_ot_color_get_green(color) ((color >> 16) & 0xFF)
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#define hb_ot_color_get_blue(color) ((color >> 24) & 0xFF)
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2018-05-01 17:16:46 +02:00
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HB_EXTERN hb_bool_t
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hb_ot_color_has_cpal_data (hb_face_t *face);
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HB_EXTERN hb_bool_t
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hb_ot_color_has_colr_data (hb_face_t *face);
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HB_EXTERN unsigned int
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hb_ot_color_get_palette_count (hb_face_t *face);
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// HB_EXTERN unsigned int
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// hb_ot_color_get_palette_name_id (hb_face_t *face, unsigned int palette);
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// HB_EXTERN hb_ot_color_palette_flags_t
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// hb_ot_color_get_palette_flags (hb_face_t *face, unsigned int palette);
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HB_EXTERN unsigned int
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hb_ot_color_get_palette_colors (hb_face_t *face,
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unsigned int palette, /* default=0 */
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unsigned int start_offset,
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unsigned int *color_count /* IN/OUT */,
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hb_ot_color_t *colors /* OUT */);
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HB_EXTERN unsigned int
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hb_ot_color_get_color_layers (hb_face_t *face,
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2018-10-19 16:53:42 +02:00
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hb_codepoint_t gid,
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unsigned int offset,
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unsigned int *count, /* IN/OUT */
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hb_codepoint_t *gids, /* OUT */
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unsigned int *color_indices /* OUT */);
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2018-05-01 17:16:46 +02:00
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HB_END_DECLS
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#endif /* HB_OT_COLOR_H */
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