godot/thirdparty/freetype/src/base/ftadvanc.c

/****************************************************************************
 *
 * ftadvanc.c
 *
 *   Quick computation of advance widths (body).
 *
 * Copyright (C) 2008-2023 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.
 *
 */


#include <freetype/internal/ftdebug.h>

#include <freetype/ftadvanc.h>
#include <freetype/internal/ftobjs.h>


  static FT_Error
  ft_face_scale_advances_( FT_Face    face,
                           FT_Fixed*  advances,
                           FT_UInt    count,
                           FT_Int32   flags )
  { … }


   /* at the moment, we can perform fast advance retrieval only in */
   /* the following cases:                                         */
   /*                                                              */
   /*  - unscaled load                                             */
   /*  - unhinted load                                             */
   /*  - light-hinted load                                         */
   /*  - if a variations font, it must have an `HVAR' or `VVAR'    */
   /*    table (thus the old MM or GX fonts don't qualify; this    */
   /*    gets checked by the driver-specific functions)            */

#define LOAD_ADVANCE_FAST_CHECK( face, flags ) …


  /* documentation is in ftadvanc.h */

  FT_EXPORT_DEF( FT_Error )
  FT_Get_Advance( FT_Face    face,
                  FT_UInt    gindex,
                  FT_Int32   flags,
                  FT_Fixed  *padvance )
  { … }


  /* documentation is in ftadvanc.h */

  FT_EXPORT_DEF( FT_Error )
  FT_Get_Advances( FT_Face    face,
                   FT_UInt    start,
                   FT_UInt    count,
                   FT_Int32   flags,
                   FT_Fixed  *padvances )
  { … }


/* END */