xfa/src/fxbarcode/common/BC_CommonPerspectiveTransform.h

// 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;
class CBC_CommonPerspectiveTransform : public CFX_Object
{
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