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ZXMultiFormatReader.h 1.4KB

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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 "ZXReader.h"
  17. @class ZXDecodeHints;
  18. /**
  19. * ZXMultiFormatReader is a convenience class and the main entry point into the library for most uses.
  20. * By default it attempts to decode all barcode formats that the library supports. Optionally, you
  21. * can provide a hints object to request different behavior, for example only decoding QR codes.
  22. */
  23. @interface ZXMultiFormatReader : NSObject <ZXReader>
  24. @property (nonatomic, strong) ZXDecodeHints *hints;
  25. + (id)reader;
  26. /**
  27. * Decode an image using the state set up by calling setHints() previously. Continuous scan
  28. * clients will get a <b>large</b> speed increase by using this instead of decode().
  29. *
  30. * @param image The pixel data to decode
  31. * @return The contents of the image or nil if any errors occurred
  32. */
  33. - (ZXResult *)decodeWithState:(ZXBinaryBitmap *)image error:(NSError **)error;
  34. @end