godot/thirdparty/freetype/src/sfnt/ttcpal.c

/****************************************************************************
 *
 * ttcpal.c
 *
 *   TrueType and OpenType color palette support (body).
 *
 * Copyright (C) 2018-2023 by
 * David Turner, Robert Wilhelm, and Werner Lemberg.
 *
 * Originally written by Shao Yu Zhang <[email protected]>.
 *
 * This file is part of the FreeType project, and may only be used,
 * modified, and distributed under the terms of the FreeType project
 * license, LICENSE.TXT.  By continuing to use, modify, or distribute
 * this file you indicate that you have read the license and
 * understand and accept it fully.
 *
 */


  /**************************************************************************
   *
   * `CPAL' table specification:
   *
   *   https://www.microsoft.com/typography/otspec/cpal.htm
   *
   */


#include <freetype/internal/ftdebug.h>
#include <freetype/internal/ftstream.h>
#include <freetype/tttags.h>
#include <freetype/ftcolor.h>


#ifdef TT_CONFIG_OPTION_COLOR_LAYERS

#include "ttcpal.h"


  /* NOTE: These are the table sizes calculated through the specs. */
#define CPAL_V0_HEADER_BASE_SIZE …
#define COLOR_SIZE …


  /* all data from `CPAL' not covered in FT_Palette_Data */
  Cpal;


  /**************************************************************************
   *
   * The macro FT_COMPONENT is used in trace mode.  It is an implicit
   * parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log
   * messages during execution.
   */
#undef  FT_COMPONENT
#define FT_COMPONENT …


  FT_LOCAL_DEF( FT_Error )
  tt_face_load_cpal( TT_Face    face,
                     FT_Stream  stream )
  { … }


  FT_LOCAL_DEF( void )
  tt_face_free_cpal( TT_Face  face )
  { … }


  FT_LOCAL_DEF( FT_Error )
  tt_face_palette_set( TT_Face  face,
                       FT_UInt  palette_index )
  { … }


#else /* !TT_CONFIG_OPTION_COLOR_LAYERS */

  /* ANSI C doesn't like empty source files */
  typedef int  tt_cpal_dummy_;

#endif /* !TT_CONFIG_OPTION_COLOR_LAYERS */

/* EOF */