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ZXMultiFinderPatternFinder.h 1.2KB

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  1. /*
  2. * Copyright 2012 ZXing authors
  3. *
  4. * Licensed under the Apache License, Version 2.0 (the "License");
  5. * you may not use this file except in compliance with the License.
  6. * You may obtain a copy of the License at
  7. *
  8. * http://www.apache.org/licenses/LICENSE-2.0
  9. *
  10. * Unless required by applicable law or agreed to in writing, software
  11. * distributed under the License is distributed on an "AS IS" BASIS,
  12. * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13. * See the License for the specific language governing permissions and
  14. * limitations under the License.
  15. */
  16. #import "ZXQRCodeFinderPatternFinder.h"
  17. @class ZXDecodeHints;
  18. /**
  19. * This class attempts to find finder patterns in a QR Code. Finder patterns are the square
  20. * markers at three corners of a QR Code.
  21. *
  22. * This class is thread-safe but not reentrant. Each thread must allocate its own object.
  23. *
  24. * In contrast to ZXFinderPatternFinder, this class will return an array of all possible
  25. * QR code locations in the image.
  26. *
  27. * Use the tryHarder hint to ask for a more thorough detection.
  28. */
  29. @interface ZXMultiFinderPatternFinder : ZXQRCodeFinderPatternFinder
  30. - (NSArray *)findMulti:(ZXDecodeHints *)hints error:(NSError **)error;
  31. @end