src/sfnt/ttcolr.h

   1 /****************************************************************************
   2  *
   3  * ttcolr.h
   4  *
   5  *   TrueType and OpenType colored glyph layer support (specification).
   6  *
   7  * Copyright (C) 2018-2023 by
   8  * David Turner, Robert Wilhelm, and Werner Lemberg.
   9  *
  10  * Originally written by Shao Yu Zhang <shaozhang@fb.com>.
  11  *
  12  * This file is part of the FreeType project, and may only be used,
  13  * modified, and distributed under the terms of the FreeType project
  14  * license, LICENSE.TXT.  By continuing to use, modify, or distribute
  15  * this file you indicate that you have read the license and
  16  * understand and accept it fully.
  17  *
  18  */
  19
  20
  21 #ifndef __TTCOLR_H__
  22 #define __TTCOLR_H__
  23
  24
  25 #include "ttload.h"
  26
  27
  28 FT_BEGIN_HEADER
  29
  30
  31   FT_LOCAL( FT_Error )
  32   tt_face_load_colr( TT_Face    face,
  33                      FT_Stream  stream );
  34
  35   FT_LOCAL( void )
  36   tt_face_free_colr( TT_Face  face );
  37
  38   FT_LOCAL( FT_Bool )
  39   tt_face_get_colr_layer( TT_Face            face,
  40                           FT_UInt            base_glyph,
  41                           FT_UInt           *aglyph_index,
  42                           FT_UInt           *acolor_index,
  43                           FT_LayerIterator*  iterator );
  44
  45   FT_LOCAL( FT_Bool )
  46   tt_face_get_colr_glyph_paint( TT_Face                  face,
  47                                 FT_UInt                  base_glyph,
  48                                 FT_Color_Root_Transform  root_transform,
  49                                 FT_OpaquePaint*          paint );
  50
  51   FT_LOCAL( FT_Bool )
  52   tt_face_get_color_glyph_clipbox( TT_Face      face,
  53                                    FT_UInt      base_glyph,
  54                                    FT_ClipBox*  clip_box );
  55
  56   FT_LOCAL( FT_Bool )
  57   tt_face_get_paint_layers( TT_Face            face,
  58                             FT_LayerIterator*  iterator,
  59                             FT_OpaquePaint*    paint );
  60
  61   FT_LOCAL( FT_Bool )
  62   tt_face_get_colorline_stops( TT_Face                face,
  63                                FT_ColorStop*          color_stop,
  64                                FT_ColorStopIterator*  iterator );
  65
  66   FT_LOCAL( FT_Bool )
  67   tt_face_get_paint( TT_Face         face,
  68                      FT_OpaquePaint  opaque_paint,
  69                      FT_COLR_Paint*  paint );
  70
  71   FT_LOCAL( FT_Error )
  72   tt_face_colr_blend_layer( TT_Face       face,
  73                             FT_UInt       color_index,
  74                             FT_GlyphSlot  dstSlot,
  75                             FT_GlyphSlot  srcSlot );
  76
  77
  78 FT_END_HEADER
  79
  80
  81 #endif /* __TTCOLR_H__ */
  82
  83 /* END */