// Copyright 2014 PDFium Authors. All rights reserved. | |
// Use of this source code is governed by a BSD-style license that can be | |
// found in the LICENSE file. | |
// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com | |
#ifndef _BC_COMMONPERSPECTIVETRANSFORM_H_ | |
#define _BC_COMMONPERSPECTIVETRANSFORM_H_ | |
class CBC_CommonPerspectiveTransform { | |
public: | |
CBC_CommonPerspectiveTransform(FX_FLOAT a11, | |
FX_FLOAT a21, | |
FX_FLOAT a31, | |
FX_FLOAT a12, | |
FX_FLOAT a22, | |
FX_FLOAT a32, | |
FX_FLOAT a13, | |
FX_FLOAT a23, | |
FX_FLOAT a33); | |
virtual ~CBC_CommonPerspectiveTransform(); | |
static CBC_CommonPerspectiveTransform* QuadrilateralToQuadrilateral( | |
FX_FLOAT x0, | |
FX_FLOAT y0, | |
FX_FLOAT x1, | |
FX_FLOAT y1, | |
FX_FLOAT x2, | |
FX_FLOAT y2, | |
FX_FLOAT x3, | |
FX_FLOAT y3, | |
FX_FLOAT x0p, | |
FX_FLOAT y0p, | |
FX_FLOAT x1p, | |
FX_FLOAT y1p, | |
FX_FLOAT x2p, | |
FX_FLOAT y2p, | |
FX_FLOAT x3p, | |
FX_FLOAT y3p); | |
static CBC_CommonPerspectiveTransform* SquareToQuadrilateral(FX_FLOAT x0, | |
FX_FLOAT y0, | |
FX_FLOAT x1, | |
FX_FLOAT y1, | |
FX_FLOAT x2, | |
FX_FLOAT y2, | |
FX_FLOAT x3, | |
FX_FLOAT y3); | |
static CBC_CommonPerspectiveTransform* QuadrilateralToSquare(FX_FLOAT x0, | |
FX_FLOAT y0, | |
FX_FLOAT x1, | |
FX_FLOAT y1, | |
FX_FLOAT x2, | |
FX_FLOAT y2, | |
FX_FLOAT x3, | |
FX_FLOAT y3); | |
CBC_CommonPerspectiveTransform* BuildAdjoint(); | |
CBC_CommonPerspectiveTransform* Times(CBC_CommonPerspectiveTransform& other); | |
void TransformPoints(CFX_FloatArray* points); | |
private: | |
FX_FLOAT m_a11, m_a12, m_a13, m_a21, m_a22, m_a23, m_a31, m_a32, m_a33; | |
}; | |
#endif |