93 lines
3.1 KiB
C
93 lines
3.1 KiB
C
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// -*- mode:c++; tab-width:2; indent-tabs-mode:nil; c-basic-offset:2 -*-
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/*
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* Detector.h
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* zxing
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*
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* Created by Lukas Stabe on 08/02/2012.
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* Copyright 2012 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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#ifndef __ZXING_AZTEC_DETECTOR_DETECTOR_H__
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#define __ZXING_AZTEC_DETECTOR_DETECTOR_H__
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#include <vector>
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#include <zxing/common/BitArray.h>
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#include <zxing/ResultPoint.h>
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#include <zxing/common/BitMatrix.h>
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#include <zxing/DecodeHints.h>
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#include <zxing/aztec/AztecDetectorResult.h>
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namespace zxing {
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namespace aztec {
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class Point : public Counted {
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private:
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const int x;
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const int y;
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public:
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Ref<ResultPoint> toResultPoint() {
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return Ref<ResultPoint>(new ResultPoint(float(x), float(y)));
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}
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Point(int ax, int ay) : x(ax), y(ay) {}
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int getX() const { return x; }
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int getY() const { return y; }
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};
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class Detector : public Counted {
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private:
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Ref<BitMatrix> image_;
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bool compact_;
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int nbLayers_;
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int nbDataBlocks_;
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int nbCenterLayers_;
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int shift_;
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void extractParameters(std::vector<Ref<Point> > bullEyeCornerPoints);
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ArrayRef< Ref<ResultPoint> > getMatrixCornerPoints(std::vector<Ref<Point> > bullEyeCornerPoints);
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static void correctParameterData(Ref<BitArray> parameterData, bool compact);
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std::vector<Ref<Point> > getBullEyeCornerPoints(Ref<Point> pCenter);
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Ref<Point> getMatrixCenter();
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Ref<BitMatrix> sampleGrid(Ref<BitMatrix> image,
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Ref<ResultPoint> topLeft,
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Ref<ResultPoint> bottomLeft,
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Ref<ResultPoint> bottomRight,
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Ref<ResultPoint> topRight);
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void getParameters(Ref<BitArray> parameterData);
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Ref<BitArray> sampleLine(Ref<Point> p1, Ref<Point> p2, int size);
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bool isWhiteOrBlackRectangle(Ref<Point> p1,
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Ref<Point> p2,
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Ref<Point> p3,
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Ref<Point> p4);
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int getColor(Ref<Point> p1, Ref<Point> p2);
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Ref<Point> getFirstDifferent(Ref<Point> init, bool color, int dx, int dy);
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bool isValid(int x, int y);
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static float distance(Ref<Point> a, Ref<Point> b);
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public:
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Detector(Ref<BitMatrix> image);
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Ref<AztecDetectorResult> detect();
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};
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}
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}
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#endif
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