[Tizen] Implement partial update
[platform/core/uifw/dali-core.git] / dali / internal / event / common / projection.h
1 #ifndef DALI_INTERNAL_PROJECTION_H
2 #define DALI_INTERNAL_PROJECTION_H
3
4 /*
5  * Copyright (c) 2019 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