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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 ZXQRCodeErrorCorrectionLevel;
-
- /**
- * Encapsulates a QR Code's format information, including the data mask used and
- * error correction level.
- */
- @interface ZXQRCodeFormatInformation : NSObject
-
- @property (nonatomic, strong, readonly) ZXQRCodeErrorCorrectionLevel *errorCorrectionLevel;
- @property (nonatomic, assign, readonly) int8_t dataMask;
-
- + (int)numBitsDiffering:(int)a b:(int)b;
-
- /**
- * @param maskedFormatInfo1 format info indicator, with mask still applied
- * @param maskedFormatInfo2 second copy of same info; both are checked at the same time
- * to establish best match
- * @return information about the format it specifies, or {@code null}
- * if doesn't seem to match any known pattern
- */
- + (ZXQRCodeFormatInformation *)decodeFormatInformation:(int)maskedFormatInfo1 maskedFormatInfo2:(int)maskedFormatInfo2;
-
- @end
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