/src/freetype/src/autofit/afwarp.h

https://bitbucket.org/cabalistic/ogredeps/ · C++ Header · 64 lines · 28 code · 19 blank · 17 comment · 0 complexity · 35ccc0b1a73ccd7e8550ba0cc0da1cc0 MD5 · raw file 

    

  1. /***************************************************************************/
    2. 

  2. /*                                                                         */
    3. 

  3. /*  afwarp.h                                                               */
    4. 

  4. /*                                                                         */
    5. 

  5. /*    Auto-fitter warping algorithm (specification).                       */
    6. 

  6. /*                                                                         */
    7. 

  7. /*  Copyright 2006, 2007 by                                                */
    8. 

  8. /*  David Turner, Robert Wilhelm, and Werner Lemberg.                      */
    9. 

  9. /*                                                                         */
    10. 

  10. /*  This file is part of the FreeType project, and may only be used,       */
    11. 

  11. /*  modified, and distributed under the terms of the FreeType project      */
    12. 

  12. /*  license, LICENSE.TXT.  By continuing to use, modify, or distribute     */
    13. 

  13. /*  this file you indicate that you have read the license and              */
    14. 

  14. /*  understand and accept it fully.                                        */
    15. 

  15. /*                                                                         */
    16. 

  16. /***************************************************************************/
    17. 

  17. 

  18. 

  19. #ifndef __AFWARP_H__
    20. 

  20. #define __AFWARP_H__
    21. 

  21. 

  22. #include "afhints.h"
    23. 

  23. 

  24. FT_BEGIN_HEADER
    25. 

  25. 

  26. #define AF_WARPER_SCALE
    27. 

  27. 

  28. #define AF_WARPER_FLOOR( x )  ( (x) & ~63 )
    29. 

  29. #define AF_WARPER_CEIL( x )   AF_WARPER_FLOOR( (x) + 63 )
    30. 

  30. 

  31. 

  32.   typedef FT_Int32  AF_WarpScore;
    33. 

  33. 

  34.   typedef struct  AF_WarperRec_
    35. 

  35.   {
    36. 

  36.     FT_Pos        x1, x2;
    37. 

  37.     FT_Pos        t1, t2;
    38. 

  38.     FT_Pos        x1min, x1max;
    39. 

  39.     FT_Pos        x2min, x2max;
    40. 

  40.     FT_Pos        w0, wmin, wmax;
    41. 

  41. 

  42.     FT_Fixed      best_scale;
    43. 

  43.     FT_Pos        best_delta;
    44. 

  44.     AF_WarpScore  best_score;
    45. 

  45.     AF_WarpScore  best_distort;
    46. 

  46. 

  47.   } AF_WarperRec, *AF_Warper;
    48. 

  48. 

  49. 

  50.   FT_LOCAL( void )
    51. 

  51.   af_warper_compute( AF_Warper      warper,
    52. 

  52.                      AF_GlyphHints  hints,
    53. 

  53.                      AF_Dimension   dim,
    54. 

  54.                      FT_Fixed      *a_scale,
    55. 

  55.                      FT_Fixed      *a_delta );
    56. 

  56. 

  57. 

  58. FT_END_HEADER
    59. 

  59. 

  60. 

  61. #endif /* __AFWARP_H__ */
    62. 

  62. 

  63. 

  64. /* END */
    65.