godot/thirdparty/freetype/src/gxvalid/gxvmort1.c

/****************************************************************************
 *
 * gxvmort1.c
 *
 *   TrueTypeGX/AAT mort table validation
 *   body for type1 (Contextual Substitution) subtable.
 *
 * Copyright (C) 2005-2023 by
 * suzuki toshiya, Masatake YAMATO, Red Hat K.K.,
 * David Turner, Robert Wilhelm, and Werner Lemberg.
 *
 * 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.
 *
 */

/****************************************************************************
 *
 * gxvalid is derived from both gxlayout module and otvalid module.
 * Development of gxlayout is supported by the Information-technology
 * Promotion Agency(IPA), Japan.
 *
 */


#include "gxvmort.h"


  /**************************************************************************
   *
   * 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 …


  GXV_mort_subtable_type1_StateOptRecData;

#define GXV_MORT_SUBTABLE_TYPE1_HEADER_SIZE …


  static void
  gxv_mort_subtable_type1_substitutionTable_load( FT_Bytes       table,
                                                  FT_Bytes       limit,
                                                  GXV_Validator  gxvalid )
  { … }


  static void
  gxv_mort_subtable_type1_subtable_setup( FT_UShort      table_size,
                                          FT_UShort      classTable,
                                          FT_UShort      stateArray,
                                          FT_UShort      entryTable,
                                          FT_UShort*     classTable_length_p,
                                          FT_UShort*     stateArray_length_p,
                                          FT_UShort*     entryTable_length_p,
                                          GXV_Validator  gxvalid )
  { … }


  static void
  gxv_mort_subtable_type1_offset_to_subst_validate(
    FT_Short          wordOffset,
    const FT_String*  tag,
    FT_Byte           state,
    GXV_Validator     gxvalid )
  { … }


  static void
  gxv_mort_subtable_type1_entry_validate(
    FT_Byte                         state,
    FT_UShort                       flags,
    GXV_StateTable_GlyphOffsetCPtr  glyphOffset_p,
    FT_Bytes                        table,
    FT_Bytes                        limit,
    GXV_Validator                   gxvalid )
  { … }


  static void
  gxv_mort_subtable_type1_substTable_validate( FT_Bytes       table,
                                               FT_Bytes       limit,
                                               GXV_Validator  gxvalid )
  { … }


  /*
   * subtable for Contextual glyph substitution is a modified StateTable.
   * In addition to classTable, stateArray, and entryTable, the field
   * `substitutionTable' is added.
   */
  FT_LOCAL_DEF( void )
  gxv_mort_subtable_type1_validate( FT_Bytes       table,
                                    FT_Bytes       limit,
                                    GXV_Validator  gxvalid )
  { … }


/* END */