hb-shape.h 2.1 KB

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  1. /*
  2. * Copyright © 2009 Red Hat, Inc.
  3. * Copyright © 2012 Google, Inc.
  4. *
  5. * This is part of HarfBuzz, a text shaping library.
  6. *
  7. * Permission is hereby granted, without written agreement and without
  8. * license or royalty fees, to use, copy, modify, and distribute this
  9. * software and its documentation for any purpose, provided that the
  10. * above copyright notice and the following two paragraphs appear in
  11. * all copies of this software.
  12. *
  13. * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
  14. * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
  15. * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
  16. * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
  17. * DAMAGE.
  18. *
  19. * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
  20. * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
  21. * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
  22. * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
  23. * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
  24. *
  25. * Red Hat Author(s): Behdad Esfahbod
  26. * Google Author(s): Behdad Esfahbod
  27. */
  28. #ifndef HB_H_IN
  29. #error "Include <hb.h> instead."
  30. #endif
  31. #ifndef HB_SHAPE_H
  32. #define HB_SHAPE_H
  33. #include "hb-common.h"
  34. #include "hb-buffer.h"
  35. #include "hb-font.h"
  36. HB_BEGIN_DECLS
  37. typedef struct hb_feature_t {
  38. hb_tag_t tag;
  39. uint32_t value;
  40. unsigned int start;
  41. unsigned int end;
  42. } hb_feature_t;
  43. HB_EXTERN hb_bool_t
  44. hb_feature_from_string (const char *str, int len,
  45. hb_feature_t *feature);
  46. HB_EXTERN void
  47. hb_feature_to_string (hb_feature_t *feature,
  48. char *buf, unsigned int size);
  49. HB_EXTERN void
  50. hb_shape (hb_font_t *font,
  51. hb_buffer_t *buffer,
  52. const hb_feature_t *features,
  53. unsigned int num_features);
  54. HB_EXTERN hb_bool_t
  55. hb_shape_full (hb_font_t *font,
  56. hb_buffer_t *buffer,
  57. const hb_feature_t *features,
  58. unsigned int num_features,
  59. const char * const *shaper_list);
  60. HB_EXTERN const char **
  61. hb_shape_list_shapers (void);
  62. HB_END_DECLS
  63. #endif /* HB_SHAPE_H */