An LGPL/GPL-licensed artwork library
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  1. /* Libart_LGPL - library of basic graphic primitives
  2. * Copyright (C) 1998 Raph Levien
  3. *
  4. * This library is free software; you can redistribute it and/or
  5. * modify it under the terms of the GNU Library General Public
  6. * License as published by the Free Software Foundation; either
  7. * version 2 of the License, or (at your option) any later version.
  8. *
  9. * This library is distributed in the hope that it will be useful,
  10. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  12. * Library General Public License for more details.
  13. *
  14. * You should have received a copy of the GNU Library General Public
  15. * License along with this library; if not, write to the
  16. * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  17. * Boston, MA 02111-1307, USA.
  18. */
  19. #ifndef __ART_SVP_WIND_H__
  20. #define __ART_SVP_WIND_H__
  21. /* Primitive intersection and winding number operations on sorted
  22. vector paths. */
  23. #ifdef LIBART_COMPILATION
  24. #include "art_config.h"
  25. #include "art_svp.h"
  26. #else
  27. #include <libart_lgpl/art_config.h>
  28. #include <libart_lgpl/art_svp.h>
  29. #endif
  30. #ifdef __cplusplus
  31. extern "C" {
  32. #endif /* __cplusplus */
  33. #ifndef ART_WIND_RULE_DEFINED
  34. #define ART_WIND_RULE_DEFINED
  35. typedef enum {
  36. ART_WIND_RULE_NONZERO,
  37. ART_WIND_RULE_INTERSECT,
  38. ART_WIND_RULE_ODDEVEN,
  39. ART_WIND_RULE_POSITIVE
  40. } ArtWindRule;
  41. #endif
  42. LIBART_EXPORT ArtSVP *
  43. art_svp_uncross (ArtSVP *vp);
  44. LIBART_EXPORT ArtSVP *
  45. art_svp_rewind_uncrossed (ArtSVP *vp, ArtWindRule rule);
  46. #ifdef __cplusplus
  47. }
  48. #endif /* __cplusplus */
  49. #endif /* __ART_SVP_WIND_H__ */