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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 XFA_SRC_FXBARCODE_COMMON_BC_COMMONPERSPECTIVETRANSFORM_H_
#define XFA_SRC_FXBARCODE_COMMON_BC_COMMONPERSPECTIVETRANSFORM_H_
#include "core/include/fxcrt/fx_basic.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 // XFA_SRC_FXBARCODE_COMMON_BC_COMMONPERSPECTIVETRANSFORM_H_
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