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- /*
- * Copyright 2012 ZXing authors
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
- @class ZXBitMatrix, ZXByteArray, ZXQRCodeFormatInformation, ZXQRCodeVersion;
-
- @interface ZXQRCodeBitMatrixParser : NSObject
-
- /**
- * @param bitMatrix ZXBitMatrix to parse
- * @return nil if dimension is not >= 21 and 1 mod 4
- */
- - (id)initWithBitMatrix:(ZXBitMatrix *)bitMatrix error:(NSError **)error;
-
- /**
- * Reads format information from one of its two locations within the QR Code.
- *
- * @return ZXFormatInformation encapsulating the QR Code's format info
- * @return nil if both format information locations cannot be parsed as
- * the valid encoding of format information
- */
- - (ZXQRCodeFormatInformation *)readFormatInformationWithError:(NSError **)error;
-
- /**
- * Reads version information from one of its two locations within the QR Code.
- *
- * @return ZXQRCodeVersion encapsulating the QR Code's version or nil
- * if both version information locations cannot be parsed as
- * the valid encoding of version information
- */
- - (ZXQRCodeVersion *)readVersionWithError:(NSError **)error;
-
- /**
- * Reads the bits in the ZXBitMatrix representing the finder pattern in the
- * correct order in order to reconstruct the codewords bytes contained within the
- * QR Code.
- *
- * @return bytes encoded within the QR Code or nil if the exact number of bytes expected is not read
- */
- - (ZXByteArray *)readCodewordsWithError:(NSError **)error;
-
- /**
- * Revert the mask removal done while reading the code words. The bit matrix should revert to its original state.
- */
- - (void)remask;
-
- /**
- * Prepare the parser for a mirrored operation.
- * This flag has effect only on the readFormatInformation and the
- * readVersion. Before proceeding with readCodewords the
- * mirror method should be called.
- *
- * @param mirror Whether to read version and format information mirrored.
- */
- - (void)setMirror:(BOOL)mirror;
-
- /** Mirror the bit matrix in order to attempt a second reading. */
- - (void)mirror;
-
- @end
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