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https://github.com/zhigang1992/shadowsocks-iOS.git
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40 lines
1.4 KiB
Objective-C
40 lines
1.4 KiB
Objective-C
/*
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* Copyright 2012 ZXing authors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/**
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* This class is the core bitmap class used by ZXing to represent 1 bit data. Reader objects
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* accept a BinaryBitmap and attempt to decode it.
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*/
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@class ZXBinarizer, ZXBitArray, ZXBitMatrix;
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@interface ZXBinaryBitmap : NSObject
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@property (nonatomic, readonly) int width;
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@property (nonatomic, readonly) int height;
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@property (nonatomic, readonly) BOOL cropSupported;
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@property (nonatomic, readonly) BOOL rotateSupported;
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- (id)initWithBinarizer:(ZXBinarizer *)binarizer;
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+ (id)binaryBitmapWithBinarizer:(ZXBinarizer *)binarizer;
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- (ZXBitArray *)blackRow:(int)y row:(ZXBitArray *)row error:(NSError **)error;
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- (ZXBitMatrix *)blackMatrixWithError:(NSError **)error;
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- (ZXBinaryBitmap *)crop:(int)left top:(int)top width:(int)width height:(int)height;
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- (ZXBinaryBitmap *)rotateCounterClockwise;
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- (ZXBinaryBitmap *)rotateCounterClockwise45;
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@end
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