mirror of https://github.com/status-im/qzxing.git
57 lines
1.6 KiB
C
57 lines
1.6 KiB
C
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#ifndef __WHITERECTANGLEDETECTOR_H__
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#define __WHITERECTANGLEDETECTOR_H__
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/*
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* WhiteRectangleDetector.h
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*
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*
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* Created by Luiz Silva on 09/02/2010.
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* Copyright 2010 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 <vector>
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#include <zxing/ReaderException.h>
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#include <zxing/ResultPoint.h>
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#include <zxing/common/BitMatrix.h>
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#include <zxing/common/Counted.h>
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#include <zxing/ResultPoint.h>
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namespace zxing {
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class WhiteRectangleDetector : public Counted {
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private:
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static int INIT_SIZE;
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static int CORR;
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Ref<BitMatrix> image_;
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int width_;
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int height_;
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public:
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WhiteRectangleDetector(Ref<BitMatrix> image);
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std::vector<Ref<ResultPoint> > detect();
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private:
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int round(float a);
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Ref<ResultPoint> getBlackPointOnSegment(float aX, float aY, float bX, float bY);
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int distanceL2(float aX, float aY, float bX, float bY);
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std::vector<Ref<ResultPoint> > centerEdges(Ref<ResultPoint> y, Ref<ResultPoint> z,
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Ref<ResultPoint> x, Ref<ResultPoint> t);
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bool containsBlackPoint(int a, int b, int fixed, bool horizontal);
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};
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}
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#endif
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