qzxing/source/zxing/qrcode/detector/QREdgeDetector.h

49 lines
1.6 KiB
C++

#ifndef __QREDGEDETECTOR_H__
#define __QREDGEDETECTOR_H__
/*
* QREdgeDetector.h
* zxing
*
* Copyright 2010 ZXing authors All rights reserved.
*
* 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.
*/
#include <zxing/qrcode/detector/Detector.h>
#include <zxing/common/Point.h>
namespace zxing {
namespace qrcode {
class QREdgeDetector : public Detector {
public:
QREdgeDetector(Ref<BitMatrix> image);
virtual Ref<PerspectiveTransform> createTransform(Ref<ResultPoint> topLeft, Ref<ResultPoint> topRight, Ref <
ResultPoint > bottomLeft, Ref<ResultPoint> alignmentPattern, int dimension);
private:
Point findCorner(const BitMatrix& image, Point topLeft, Point topRight, Point bottomLeft, int dimension);
Line findPatternEdge(const BitMatrix& image, Point pattern, Point opposite, Point direction, bool invert);
Point endOfReverseBlackWhiteBlackRun(const BitMatrix& image, Point from, Point to);
Ref<PerspectiveTransform> get1CornerTransform(Point topLeft, Point topRight, Point bottomLeft, Point corner, int dimension);
};
}
}
#endif // QREDGEDETECTOR_H_