code_device/hgdriver/ImageProcess/include/zxing/qrcode/detector/Detector.h

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// -*- mode:c++; tab-width:2; indent-tabs-mode:nil; c-basic-offset:2 -*-
#ifndef __DETECTOR_H__
#define __DETECTOR_H__
/*
* Detector.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/common/Counted.h>
#include <zxing/common/DetectorResult.h>
#include <zxing/common/BitMatrix.h>
#include <zxing/qrcode/detector/AlignmentPattern.h>
#include <zxing/common/PerspectiveTransform.h>
#include <zxing/ResultPointCallback.h>
#include <zxing/qrcode/detector/FinderPatternInfo.h>
namespace zxing {
class DecodeHints;
namespace qrcode {
class Detector : public Counted {
private:
Ref<BitMatrix> image_;
Ref<ResultPointCallback> callback_;
protected:
Ref<BitMatrix> getImage() const;
Ref<ResultPointCallback> getResultPointCallback() const;
static Ref<BitMatrix> sampleGrid(Ref<BitMatrix> image, int dimension, Ref<PerspectiveTransform>);
static int computeDimension(Ref<ResultPoint> topLeft, Ref<ResultPoint> topRight, Ref<ResultPoint> bottomLeft,
float moduleSize);
float calculateModuleSize(Ref<ResultPoint> topLeft, Ref<ResultPoint> topRight, Ref<ResultPoint> bottomLeft);
float calculateModuleSizeOneWay(Ref<ResultPoint> pattern, Ref<ResultPoint> otherPattern);
float sizeOfBlackWhiteBlackRunBothWays(int fromX, int fromY, int toX, int toY);
float sizeOfBlackWhiteBlackRun(int fromX, int fromY, int toX, int toY);
Ref<AlignmentPattern> findAlignmentInRegion(float overallEstModuleSize, int estAlignmentX, int estAlignmentY,
float allowanceFactor);
Ref<DetectorResult> processFinderPatternInfo(Ref<FinderPatternInfo> info);
public:
virtual Ref<PerspectiveTransform> createTransform(Ref<ResultPoint> topLeft, Ref<ResultPoint> topRight, Ref <
ResultPoint > bottomLeft, Ref<ResultPoint> alignmentPattern, int dimension);
Detector(Ref<BitMatrix> image);
Ref<DetectorResult> detect(DecodeHints const& hints);
};
}
}
#endif // __DETECTOR_H__