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| 1 // Copyright 2014 PDFium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com | |
| 6 | |
| 7 #ifndef _BC_COMMONPERSPECTIVETRANSFORM_H_ | |
| 8 #define _BC_COMMONPERSPECTIVETRANSFORM_H_ | |
| 9 class CBC_CommonPerspectiveTransform; | |
| 10 class CBC_CommonPerspectiveTransform : public CFX_Object | |
| 11 { | |
| 12 public: | |
| 13 CBC_CommonPerspectiveTransform(FX_FLOAT a11, FX_FLOAT a21, FX_FLOAT a31, | |
| 14 FX_FLOAT a12, FX_FLOAT a22, FX_FLOAT a32, | |
| 15 FX_FLOAT a13, FX_FLOAT a23, FX_FLOAT a33); | |
| 16 virtual ~CBC_CommonPerspectiveTransform(); | |
| 17 static CBC_CommonPerspectiveTransform *QuadrilateralToQuadrilateral(FX_FLOAT
x0, FX_FLOAT y0, | |
| 18 FX_FLOAT x1, FX_FLOAT y1, | |
| 19 FX_FLOAT x2, FX_FLOAT y2, | |
| 20 FX_FLOAT x3, FX_FLOAT y3, | |
| 21 FX_FLOAT x0p, FX_FLOAT y0p, | |
| 22 FX_FLOAT x1p, FX_FLOAT y1p, | |
| 23 FX_FLOAT x2p, FX_FLOAT y2p, | |
| 24 FX_FLOAT x3p, FX_FLOAT y3p); | |
| 25 static CBC_CommonPerspectiveTransform *SquareToQuadrilateral(FX_FLOAT x0, FX
_FLOAT y0, | |
| 26 FX_FLOAT x1, FX_FLOAT y1, | |
| 27 FX_FLOAT x2, FX_FLOAT y2, | |
| 28 FX_FLOAT x3, FX_FLOAT y3); | |
| 29 static CBC_CommonPerspectiveTransform *QuadrilateralToSquare(FX_FLOAT x0, FX
_FLOAT y0, | |
| 30 FX_FLOAT x1, FX_FLOAT y1, | |
| 31 FX_FLOAT x2, FX_FLOAT y2, | |
| 32 FX_FLOAT x3, FX_FLOAT y3); | |
| 33 CBC_CommonPerspectiveTransform *BuildAdjoint(); | |
| 34 CBC_CommonPerspectiveTransform *Times(CBC_CommonPerspectiveTransform &other)
; | |
| 35 void TransformPoints(CFX_FloatArray *points); | |
| 36 private: | |
| 37 FX_FLOAT m_a11, m_a12, m_a13, m_a21, m_a22, m_a23, m_a31, m_a32, m_a33; | |
| 38 }; | |
| 39 #endif | |
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