mirror of https://github.com/status-im/qzxing.git
50 lines
1.9 KiB
C++
50 lines
1.9 KiB
C++
#ifndef __PERSPECTIVE_TANSFORM_H__
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#define __PERSPECTIVE_TANSFORM_H__
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/*
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* PerspectiveTransform.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 <zxing/common/Counted.h>
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#include <vector>
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namespace zxing {
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class PerspectiveTransform : public Counted {
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private:
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float a11, a12, a13, a21, a22, a23, a31, a32, a33;
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PerspectiveTransform(float a11, float a21, float a31, float a12, float a22, float a32, float a13, float a23,
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float a33);
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public:
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static Ref<PerspectiveTransform>
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quadrilateralToQuadrilateral(float x0, float y0, float x1, float y1, float x2, float y2, float x3, float y3,
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float x0p, float y0p, float x1p, float y1p, float x2p, float y2p, float x3p, float y3p);
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static Ref<PerspectiveTransform> squareToQuadrilateral(float x0, float y0, float x1, float y1, float x2, float y2,
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float x3, float y3);
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static Ref<PerspectiveTransform> quadrilateralToSquare(float x0, float y0, float x1, float y1, float x2, float y2,
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float x3, float y3);
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Ref<PerspectiveTransform> buildAdjoint();
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Ref<PerspectiveTransform> times(Ref<PerspectiveTransform> other);
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void transformPoints(std::vector<float> &points);
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friend std::ostream& operator<<(std::ostream& out, const PerspectiveTransform &pt);
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};
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}
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#endif // __PERSPECTIVE_TANSFORM_H__
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