のねのBlog

パソコンの問題や、ソフトウェアの開発で起きた問題など書いていきます。よろしくお願いします^^。

freetype all pointsの処理

  /*************************************************************************/
  /*                                                                       */
  /* The macro ALL_POINTS is used in `ft_var_readpackedpoints'.  It        */
  /* indicates that there is a delta for every point without needing to    */
  /* enumerate all of them.                                                */
  /*                                                                       */

  /* ensure that value `0' has the same width as a pointer */
#define ALL_POINTS  (FT_UShort*)~(FT_PtrDist)0
  static FT_UShort*
  ft_var_readpackedpoints( FT_Stream  stream,
                           FT_UInt   *point_cnt )
  {
    FT_UShort *points = NULL;
    FT_Int     n;
    FT_Int     runcnt;
    FT_Int     i;
    FT_Int     j;
    FT_Int     first;
    FT_Memory  memory = stream->memory;
    FT_Error   error  = FT_Err_Ok;

    FT_UNUSED( error );


    *point_cnt = n = FT_GET_BYTE();
    if ( n == 0 )
      return ALL_POINTS;


github.com