kc3-lang/freetype/src/cid/cidgload.h

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• Hash : be15811c
  Author :
  Date : 2023-05-03T01:31:37
  

  [t1cid] Improve cid_get_cid_from_glyph_index(). Update cid_get_cid_from_glyph_index() to return an error and CID=0 in the case that the specified glyph index points to an invalid entry. cidgload.h (cid_compute_fd_and_offsets): Declare new helper function to set the fd_select and 2 offsets to access the glyph description data. cidgload.c (cid_compute_fd_and_offsets): Move the part loading fd_select and 2 offsets from cid_load_glyph() to here. If the loaded parameters are broken, return the Invalid_Offset error. This function does not load the glyph data, only fills these parameters. (cid_load_glyph): Use new helper function in above. cidriver.c (cid_get_cid_from_glyph_index): Check whether the requested glyph index points to a valid entry, by calling cid_compute_fd_and_offsets(). If it is valid, fill the cid by the glyph index (=CID). If it is invalid, return an error and fill the cid by 0.

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• src/cid/cidgload.h

• /****************************************************************************
   *
   * cidgload.h
   *
   *   OpenType Glyph Loader (specification).
   *
   * Copyright (C) 1996-2023 by
   * 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.
   *
   */
  
  
  #ifndef CIDGLOAD_H_
  #define CIDGLOAD_H_
  
  
  #include "cidobjs.h"
  
  
  FT_BEGIN_HEADER
  
  
  #if 0
  
    /* Compute the maximum advance width of a font through quick parsing */
    FT_LOCAL( FT_Error )
    cid_face_compute_max_advance( CID_Face  face,
                                  FT_Int*   max_advance );
  
  #endif /* 0 */
  
    FT_LOCAL( FT_Error )
    cid_slot_load_glyph( FT_GlyphSlot  glyph,         /* CID_Glyph_Slot */
                         FT_Size       size,          /* CID_Size       */
                         FT_UInt       glyph_index,
                         FT_Int32      load_flags );
  
  
    FT_LOCAL( FT_Error )
    cid_compute_fd_and_offsets( CID_Face   face,
                                FT_UInt    glyph_index,
                                FT_ULong*  fd_select_p,
                                FT_ULong*  off1_p,
                                FT_ULong*  off2_p );
  
  
  FT_END_HEADER
  
  #endif /* CIDGLOAD_H_ */
  
  
  /* END */
  

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