godot/thirdparty/freetype/src/gxvalid/gxvmorx5.c

/****************************************************************************
 *
 * gxvmorx5.c
 *
 *   TrueTypeGX/AAT morx table validation
 *   body for type5 (Contextual Glyph Insertion) 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 "gxvmorx.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 …


  /*
   * `morx' subtable type5 (Contextual Glyph Insertion)
   * has format of a StateTable with insertion-glyph-list
   * without name.  However, the 32bit offset from the head
   * of subtable to the i-g-l is given after `entryTable',
   * without variable name specification (the existence of
   * this offset to the table is different from mort type5).
   */


  GXV_morx_subtable_type5_StateOptRecData;


#define GXV_MORX_SUBTABLE_TYPE5_HEADER_SIZE …


  static void
  gxv_morx_subtable_type5_insertionGlyphList_load( FT_Bytes       table,
                                                   FT_Bytes       limit,
                                                   GXV_Validator  gxvalid )
  { … }


  static void
  gxv_morx_subtable_type5_subtable_setup( FT_ULong       table_size,
                                          FT_ULong       classTable,
                                          FT_ULong       stateArray,
                                          FT_ULong       entryTable,
                                          FT_ULong*      classTable_length_p,
                                          FT_ULong*      stateArray_length_p,
                                          FT_ULong*      entryTable_length_p,
                                          GXV_Validator  gxvalid )
  { … }


  static void
  gxv_morx_subtable_type5_InsertList_validate( FT_UShort      table_index,
                                               FT_UShort      count,
                                               FT_Bytes       table,
                                               FT_Bytes       limit,
                                               GXV_Validator  gxvalid )
  { … }


  static void
  gxv_morx_subtable_type5_entry_validate(
    FT_UShort                       state,
    FT_UShort                       flags,
    GXV_StateTable_GlyphOffsetCPtr  glyphOffset_p,
    FT_Bytes                        table,
    FT_Bytes                        limit,
    GXV_Validator                   gxvalid )
  { … }


  FT_LOCAL_DEF( void )
  gxv_morx_subtable_type5_validate( FT_Bytes       table,
                                    FT_Bytes       limit,
                                    GXV_Validator  gxvalid )
  { … }


/* END */