Dali 3D User Interface Engine
projection.h
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1 #ifndef __DALI_INTERNAL_PROJECTION_H__
2 #define __DALI_INTERNAL_PROJECTION_H__
3 
4 /*
5  * Copyright (c) 2014 Samsung Electronics Co., Ltd.
6  *
7  * Licensed under the Apache License, Version 2.0 (the "License");
8  * you may not use this file except in compliance with the License.
9  * You may obtain a copy of the License at
10  *
11  * http://www.apache.org/licenses/LICENSE-2.0
12  *
13  * Unless required by applicable law or agreed to in writing, software
14  * distributed under the License is distributed on an "AS IS" BASIS,
15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16  * See the License for the specific language governing permissions and
17  * limitations under the License.
18  *
19  */
20 
21 namespace Dali
22 {
23 
24 struct Vector4;
25 struct Vector2;
26 
27 class Matrix;
28 
29 namespace Internal
30 {
31 
32 bool XyPlaneIntersect(const Dali::Vector4& pointA,
33  const Dali::Vector4& pointB,
34  Dali::Vector4& intersect);
35 
36 bool UnprojectFull(const Dali::Vector4& windowPos,
37  const Matrix& modelView,
38  const Matrix& projection,
39  float viewportWidth,
40  float viewportHeight,
41  Dali::Vector4& objectPos);
42 
43 bool Unproject(const Dali::Vector4& windowPos,
44  const Matrix& inverseMvp,
45  float viewportWidth,
46  float viewportHeight,
47  Dali::Vector4& objectPos);
48 
49 bool ProjectFull( const Vector4& position,
50  const Matrix& modelView,
51  const Matrix& projection,
52  float viewportX,
53  float viewportY,
54  float viewportWidth,
55  float viewportHeight,
56  Vector4& windowPos );
57 
58 } // namespace Internal
59 
60 } // namespace Dali
61 
62 #endif // __DALI_INTERNAL_PROJECTION_H__
63 
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