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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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