| /* |
| * 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. |
| */ |
| |
| /** |
| * This class attempts to find finder patterns in a QR Code. Finder patterns are the square |
| * markers at three corners of a QR Code. |
| * |
| * This class is thread-safe but not reentrant. Each thread must allocate its own object. |
| */ |
| |
| extern int const FINDER_PATTERN_MIN_SKIP; |
| extern int const FINDER_PATTERN_MAX_MODULES; |
| |
| @class ZXBitMatrix, ZXDecodeHints, ZXFinderPatternInfo; |
| @protocol ZXResultPointCallback; |
| |
| @interface ZXFinderPatternFinder : NSObject |
| |
| @property (nonatomic, strong, readonly) ZXBitMatrix *image; |
| @property (nonatomic, strong, readonly) NSMutableArray *possibleCenters; |
| |
| - (id)initWithImage:(ZXBitMatrix *)image; |
| - (id)initWithImage:(ZXBitMatrix *)image resultPointCallback:(id<ZXResultPointCallback>)resultPointCallback; |
| - (ZXFinderPatternInfo *)find:(ZXDecodeHints *)hints error:(NSError **)error; |
| + (BOOL)foundPatternCross:(int[])stateCount; |
| - (BOOL)handlePossibleCenter:(int[])stateCount i:(int)i j:(int)j; |
| |
| @end |
