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// 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
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