monitor.h 1.6 KB

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  1. /*
  2. Copyright 1999 ImageMagick Studio LLC, a non-profit organization
  3. dedicated to making software imaging solutions freely available.
  4. You may not use this file except in compliance with the License. You may
  5. obtain a copy of the License at
  6. https://imagemagick.org/script/license.php
  7. Unless required by applicable law or agreed to in writing, software
  8. distributed under the License is distributed on an "AS IS" BASIS,
  9. WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  10. See the License for the specific language governing permissions and
  11. limitations under the License.
  12. MagickCore progress monitor methods.
  13. */
  14. #ifndef MAGICKCORE_MONITOR_H
  15. #define MAGICKCORE_MONITOR_H
  16. #if defined(__cplusplus) || defined(c_plusplus)
  17. extern "C" {
  18. #endif
  19. typedef MagickBooleanType
  20. (*MagickProgressMonitor)(const char *,const MagickOffsetType,
  21. const MagickSizeType,void *);
  22. MagickExport MagickBooleanType
  23. SetImageProgress(const Image *,const char *,const MagickOffsetType,
  24. const MagickSizeType);
  25. MagickExport MagickProgressMonitor
  26. SetImageProgressMonitor(Image *,const MagickProgressMonitor,void *),
  27. SetImageInfoProgressMonitor(ImageInfo *,const MagickProgressMonitor,void *);
  28. static inline MagickBooleanType QuantumTick(const MagickOffsetType offset,
  29. const MagickSizeType span)
  30. {
  31. if (span <= 100)
  32. return(MagickTrue);
  33. if (offset == (MagickOffsetType) (span-1))
  34. return(MagickTrue);
  35. if ((offset % (MagickOffsetType) (span/100)) == 0)
  36. return(MagickTrue);
  37. return(MagickFalse);
  38. }
  39. #if defined(__cplusplus) || defined(c_plusplus)
  40. }
  41. #endif
  42. #endif