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