dali/internal/event/common/projection.h

   1 #ifndef DALI_INTERNAL_PROJECTION_H
   2 #define DALI_INTERNAL_PROJECTION_H
   3
   4 /*
   5  * Copyright (c) 2021 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 struct Vector4;
  24 struct Vector2;
  25
  26 class Matrix;
  27
  28 namespace Internal
  29 {
  30 bool XyPlaneIntersect(const Dali::Vector4& pointA,
  31                       const Dali::Vector4& pointB,
  32                       Dali::Vector4&       intersect);
  33
  34 bool UnprojectFull(const Dali::Vector4& windowPos,
  35                    const Matrix&        modelView,
  36                    const Matrix&        projection,
  37                    float                viewportWidth,
  38                    float                viewportHeight,
  39                    Dali::Vector4&       objectPos);
  40
  41 bool Unproject(const Dali::Vector4& windowPos,
  42                const Matrix&        inverseMvp,
  43                float                viewportWidth,
  44                float                viewportHeight,
  45                Dali::Vector4&       objectPos);
  46
  47 bool ProjectFull(const Vector4& position,
  48                  const Matrix&  modelView,
  49                  const Matrix&  projection,
  50                  float          viewportX,
  51                  float          viewportY,
  52                  float          viewportWidth,
  53                  float          viewportHeight,
  54                  Vector4&       windowPos);
  55
  56 } // namespace Internal
  57
  58 } // namespace Dali
  59
  60 #endif // DALI_INTERNAL_PROJECTION_H