69 lines
2.3 KiB
C
69 lines
2.3 KiB
C
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#ifndef __ALIGNMENT_PATTERN_FINDER_H__
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#define __ALIGNMENT_PATTERN_FINDER_H__
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/*
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* AlignmentPatternFinder.h
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* zxing
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*
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* Copyright 2010 ZXing authors All rights reserved.
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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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#include "AlignmentPattern.h"
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#include <zxing/common/Counted.h>
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#include <zxing/common/BitMatrix.h>
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#include <zxing/ResultPointCallback.h>
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#include <vector>
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namespace zxing {
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namespace qrcode {
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class AlignmentPatternFinder : public Counted {
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private:
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static int CENTER_QUORUM;
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static int MIN_SKIP;
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static int MAX_MODULES;
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Ref<BitMatrix> image_;
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std::vector<AlignmentPattern*>* possibleCenters_;
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int startX_;
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int startY_;
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int width_;
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int height_;
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float moduleSize_;
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static float centerFromEnd(std::vector<int>& stateCount, int end);
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bool foundPatternCross(std::vector<int>& stateCount);
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float crossCheckVertical(int startI, int centerJ, int maxCount, int originalStateCountTotal);
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Ref<AlignmentPattern> handlePossibleCenter(std::vector<int>& stateCount, int i, int j);
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public:
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AlignmentPatternFinder(Ref<BitMatrix> image, int startX, int startY, int width, int height,
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float moduleSize, Ref<ResultPointCallback>const& callback);
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~AlignmentPatternFinder();
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Ref<AlignmentPattern> find();
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private:
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AlignmentPatternFinder(const AlignmentPatternFinder&);
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AlignmentPatternFinder& operator =(const AlignmentPatternFinder&);
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Ref<ResultPointCallback> callback_;
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};
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}
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}
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#endif // __ALIGNMENT_PATTERN_FINDER_H__
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