LayerManagerExamples/LayerSceneDescriptionExample/src/LayerSceneProvider.cpp

   1 /***************************************************************************
   2  *
   3  * Copyright 2010,2011 BMW Car IT GmbH
   4  *
   5  *
   6  * Licensed under the Apache License, Version 2.0 (the "License");
   7  * you may not use this file except in compliance with the License.
   8  * You may obtain a copy of the License at
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  10  *        http://www.apache.org/licenses/LICENSE-2.0
  11  *
  12  * Unless required by applicable law or agreed to in writing, software
  13  * distributed under the License is distributed on an "AS IS" BASIS,
  14  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  15  * See the License for the specific language governing permissions and
  16  * limitations under the License.
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  18  ****************************************************************************/
  19
  20 #include "LayerSceneProvider.h"
  21
  22 LayerSceneProvider::LayerSceneProvider(ICommandExecutor* executor)
  23 : ISceneProvider(executor)
  24 {
  25 }
  26
  27 typedef struct t_layerScene
  28 {
  29     unsigned int layer;
  30     bool visibility;
  31     float opacity;
  32 } layerScene;
  33
  34 static layerScene gInitialLayerScene[] =
  35 {
  36     { LAYER_EXAMPLE_VIDEO_APPLICATIONS, true, 1.0 },
  37     { LAYER_EXAMPLE_GLES_APPLICATIONS, true, 1.0 },
  38     { LAYER_EXAMPLE_X_APPLICATIONS, true, 1.0 }
  39 };
  40
  41 bool LayerSceneProvider::delegateScene()
  42 {
  43     bool result = true;
  44     int i = 0;
  45     int numberOfLayers = sizeof(gInitialLayerScene) / sizeof (layerScene);
  46     unsigned int *renderOrder = new unsigned int [numberOfLayers];
  47     unsigned int* screenResolution = m_executor->getScreenResolution(0);
  48     if ( numberOfLayers > 0 )
  49     {
  50         /* setup inital layer scenery */
  51         for (i = 0;i<numberOfLayers;i++)
  52         {
  53             m_executor->execute(new CreateCommand(0, TypeLayer, PIXELFORMAT_R8, screenResolution[0], screenResolution[1], &(gInitialLayerScene[i].layer)));
  54             m_executor->execute(new SetSourceRectangleCommand(gInitialLayerScene[i].layer, TypeLayer, 0, 0, screenResolution[0], screenResolution[1]));
  55             m_executor->execute(new SetDestinationRectangleCommand(gInitialLayerScene[i].layer, TypeLayer, 0, 0, screenResolution[0], screenResolution[1]));
  56             m_executor->execute(new SetOpacityCommand(gInitialLayerScene[i].layer,TypeLayer,gInitialLayerScene[i].opacity) );
  57             m_executor->execute(new SetVisibilityCommand(gInitialLayerScene[i].layer,TypeLayer,gInitialLayerScene[i].visibility) );
  58             m_executor->execute(new CommitCommand());
  59             renderOrder[i]=gInitialLayerScene[i].layer;
  60         }
  61         /* Finally set the first executed renderorder */
  62         m_executor->execute(new SetLayerOrderCommand(renderOrder,numberOfLayers));
  63         m_executor->execute(new CommitCommand());
  64     }
  65     return result;
  66 }
  67
  68 extern "C" ISceneProvider* createLayerScene(ICommandExecutor* executor)
  69 {
  70     return new LayerSceneProvider(executor);
  71 }
  72
  73 extern "C" void destroyLayerScene(LayerSceneProvider* p)
  74 {
  75     delete p;
  76 }