examples/new-window/new-window-example.cpp

   1 /*
   2  * Copyright (c) 2017 Samsung Electronics Co., Ltd.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  * http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 // EXTERNAL INCLUDES
  18 #include <dali/devel-api/images/texture-set-image.h>
  19 #include <dali/public-api/rendering/renderer.h>
  20 #include <dali-toolkit/dali-toolkit.h>
  21 #include <dali-toolkit/devel-api/controls/bubble-effect/bubble-emitter.h>
  22 #include <dali-toolkit/devel-api/controls/buttons/button-devel.h>
  23 #include <dali-toolkit/devel-api/controls/gaussian-blur-view/gaussian-blur-view.h>
  24
  25 #include <cstdio>
  26 #include <iostream>
  27
  28 // INTERNAL INCLUDES
  29 #include "shared/view.h"
  30 #include "shared/utility.h"
  31
  32 using namespace Dali;
  33 using namespace Dali::Toolkit;
  34
  35 class NewWindowController;
  36
  37 namespace
  38 {
  39 const char * const BACKGROUND_IMAGE( DEMO_IMAGE_DIR "background-2.jpg" );
  40 const char * const TOOLBAR_IMAGE( DEMO_IMAGE_DIR "top-bar.png" );
  41 const char * const LOSE_CONTEXT_IMAGE( DEMO_IMAGE_DIR "icon-cluster-wobble.png" );
  42 const char * const LOSE_CONTEXT_IMAGE_SELECTED( DEMO_IMAGE_DIR "icon-cluster-wobble-selected.png" );
  43 const char * const BASE_IMAGE( DEMO_IMAGE_DIR "gallery-large-14.jpg" );
  44 const char * const EFFECT_IMAGE( DEMO_IMAGE_DIR "gallery-large-18.jpg" );
  45 const char * const LOGO_IMAGE(DEMO_IMAGE_DIR "dali-logo.png");
  46
  47 const float EXPLOSION_DURATION(1.2f);
  48 const unsigned int EMIT_INTERVAL_IN_MS(40);
  49 const float TRACK_DURATION_IN_MS(970);
  50
  51 Application gApplication;
  52 NewWindowController* gNewWindowController(NULL);
  53
  54 #define MAKE_SHADER(A)#A
  55
  56 const char* VERTEX_COLOR_MESH = MAKE_SHADER(
  57 attribute mediump vec3  aPosition;\n
  58 attribute lowp    vec3  aColor;\n
  59 uniform   mediump mat4  uMvpMatrix;\n
  60 uniform   mediump vec3  uSize;\n
  61 varying   lowp    vec3  vColor;\n
  62 \n
  63 void main()\n
  64 {\n
  65   gl_Position = uMvpMatrix * vec4( aPosition*uSize, 1.0 );\n
  66   vColor = aColor;\n
  67 }\n
  68 );
  69
  70 const char* FRAGMENT_COLOR_MESH = MAKE_SHADER(
  71 uniform lowp vec4  uColor;\n
  72 varying lowp vec3  vColor;\n
  73 \n
  74 void main()\n
  75 {\n
  76   gl_FragColor = vec4(vColor,1.0)*uColor;
  77 }\n
  78 );
  79
  80 const char* VERTEX_TEXTURE_MESH = MAKE_SHADER(
  81 attribute mediump vec3  aPosition;\n
  82 attribute highp   vec2  aTexCoord;\n
  83 uniform   mediump mat4  uMvpMatrix;\n
  84 uniform   mediump vec3  uSize;\n
  85 varying   mediump vec2  vTexCoord;\n
  86 \n
  87 void main()\n
  88 {\n
  89   gl_Position = uMvpMatrix * vec4( aPosition*uSize, 1.0 );\n
  90   vTexCoord = aTexCoord;\n
  91 }\n
  92 );
  93
  94 const char* FRAGMENT_TEXTURE_MESH = MAKE_SHADER(
  95 varying mediump vec2  vTexCoord;\n
  96 uniform lowp    vec4  uColor;\n
  97 uniform sampler2D     sTexture;\n
  98 \n
  99 void main()\n
 100 {\n
 101   gl_FragColor = texture2D( sTexture, vTexCoord ) * uColor;
 102 }\n
 103 );
 104
 105 const char* FRAGMENT_BLEND_SHADER = MAKE_SHADER(
 106 varying mediump vec2  vTexCoord;\n
 107 uniform sampler2D sTexture;\n
 108 uniform sampler2D sEffect;\n
 109 uniform mediump float alpha;\n
 110 \n
 111 void main()\n
 112 {\n
 113   mediump vec4 fragColor = texture2D(sTexture, vTexCoord);\n
 114   mediump vec4 fxColor   = texture2D(sEffect, vTexCoord);\n
 115   gl_FragColor = mix(fragColor,fxColor, alpha);\n
 116 }\n
 117 );
 118
 119 }; // anonymous namespace
 120
 121
 122 class NewWindowController : public ConnectionTracker
 123 {
 124 public:
 125   NewWindowController( Application& app );
 126   void Create( Application& app );
 127   void Destroy( Application& app );
 128
 129   void AddBubbles( Actor& parentActor, const Vector2& stageSize);
 130   void AddMeshActor( Actor& parentActor );
 131   void AddBlendingImageActor( Actor& parentActor );
 132   void AddTextLabel( Actor& parentActor );
 133
 134   ImageView CreateBlurredMirrorImage(const char* imageName);
 135   FrameBufferImage CreateFrameBufferForImage( const char* imageName, Property::Map& shaderEffect, const Vector3& rgbDelta );
 136   void SetUpBubbleEmission( const Vector2& emitPosition, const Vector2& direction );
 137   Geometry CreateMeshGeometry();
 138   Dali::Property::Map CreateColorModifierer();
 139
 140   static void NewWindow(void);
 141
 142   bool OnTrackTimerTick();
 143   void OnKeyEvent(const KeyEvent& event);
 144   bool OnLoseContextButtonClicked( Toolkit::Button button );
 145   void OnContextLost();
 146   void OnContextRegained();
 147
 148 private:
 149   Application                mApplication;
 150   TextLabel                  mTextActor;
 151
 152   Toolkit::Control           mView;                              ///< The View instance.
 153   Toolkit::ToolBar           mToolBar;                           ///< The View's Toolbar.
 154   TextLabel                  mTitleActor;                        ///< The Toolbar's Title.
 155   Layer                      mContentLayer;                      ///< Content layer (scrolling cluster content)
 156   Toolkit::PushButton        mLoseContextButton;
 157
 158   Toolkit::BubbleEmitter     mEmitter;
 159   Timer                      mEmitTrackTimer;
 160   bool                       mNeedNewAnimation;
 161   unsigned int               mAnimateComponentCount;
 162   Animation                  mEmitAnimation;
 163 };
 164
 165
 166 NewWindowController::NewWindowController( Application& application )
 167 : mApplication(application),
 168   mNeedNewAnimation(true),
 169   mAnimateComponentCount( 0 )
 170 {
 171   mApplication.InitSignal().Connect(this, &NewWindowController::Create);
 172   mApplication.TerminateSignal().Connect(this, &NewWindowController::Destroy);
 173 }
 174
 175 void NewWindowController::Create( Application& app )
 176 {
 177   Stage stage = Stage::GetCurrent();
 178   stage.SetBackgroundColor(Color::YELLOW);
 179
 180   stage.KeyEventSignal().Connect(this, &NewWindowController::OnKeyEvent);
 181
 182   // The Init signal is received once (only) during the Application lifetime
 183
 184   // Hide the indicator bar
 185   mApplication.GetWindow().ShowIndicator( Dali::Window::INVISIBLE );
 186
 187   mContentLayer = DemoHelper::CreateView( app,
 188                                           mView,
 189                                           mToolBar,
 190                                           "",
 191                                           TOOLBAR_IMAGE,
 192                                           "Context recovery" );
 193
 194   Size stageSize = stage.GetSize();
 195   ImageView backgroundActor = ImageView::New( BACKGROUND_IMAGE, Dali::ImageDimensions( stageSize.x, stageSize.y ) );
 196   backgroundActor.SetParentOrigin( ParentOrigin::CENTER );
 197   mContentLayer.Add(backgroundActor);
 198
 199   // Point the default render task at the view
 200   RenderTaskList taskList = stage.GetRenderTaskList();
 201   RenderTask defaultTask = taskList.GetTask( 0u );
 202   if ( defaultTask )
 203   {
 204     defaultTask.SetSourceActor( mView );
 205   }
 206
 207   mLoseContextButton = Toolkit::PushButton::New();
 208   mLoseContextButton.SetProperty( Toolkit::DevelButton::Property::UNSELECTED_BACKGROUND_VISUAL, LOSE_CONTEXT_IMAGE );
 209   mLoseContextButton.SetProperty( Toolkit::DevelButton::Property::SELECTED_BACKGROUND_VISUAL, LOSE_CONTEXT_IMAGE_SELECTED );
 210   mLoseContextButton.ClickedSignal().Connect( this, &NewWindowController::OnLoseContextButtonClicked );
 211   mToolBar.AddControl( mLoseContextButton, DemoHelper::DEFAULT_VIEW_STYLE.mToolBarButtonPercentage, Toolkit::Alignment::HorizontalRight, DemoHelper::DEFAULT_MODE_SWITCH_PADDING );
 212
 213   Actor logoLayoutActor = Actor::New();
 214   logoLayoutActor.SetParentOrigin(ParentOrigin::CENTER);
 215   logoLayoutActor.SetPosition(0.0f, -200.0f, 0.0f);
 216   logoLayoutActor.SetScale(0.5f);
 217   backgroundActor.Add(logoLayoutActor);
 218
 219   ImageView imageView = ImageView::New( LOGO_IMAGE );
 220   imageView.SetName("daliLogo");
 221   imageView.SetParentOrigin(ParentOrigin::CENTER);
 222   imageView.SetAnchorPoint(AnchorPoint::BOTTOM_CENTER);
 223   logoLayoutActor.Add(imageView);
 224
 225   ImageView mirrorImageView = CreateBlurredMirrorImage(LOGO_IMAGE);
 226   mirrorImageView.SetParentOrigin(ParentOrigin::TOP_CENTER);
 227   mirrorImageView.SetAnchorPoint(AnchorPoint::BOTTOM_CENTER);
 228   logoLayoutActor.Add(mirrorImageView);
 229
 230   AddBubbles( backgroundActor, stage.GetSize());
 231   AddMeshActor( backgroundActor );
 232   AddBlendingImageActor( backgroundActor );
 233   AddTextLabel( backgroundActor );
 234
 235   stage.ContextLostSignal().Connect(this, &NewWindowController::OnContextLost);
 236   stage.ContextRegainedSignal().Connect(this, &NewWindowController::OnContextRegained);
 237 }
 238
 239 void NewWindowController::Destroy( Application& app )
 240 {
 241   UnparentAndReset(mTextActor);
 242 }
 243
 244 void NewWindowController::AddBubbles( Actor& parentActor, const Vector2& stageSize)
 245 {
 246   mEmitter = Toolkit::BubbleEmitter::New( stageSize,
 247                                           DemoHelper::LoadTexture( DEMO_IMAGE_DIR "bubble-ball.png" ),
 248                                           200, Vector2( 5.0f, 5.0f ) );
 249
 250   Texture background = DemoHelper::LoadTexture(BACKGROUND_IMAGE);
 251   mEmitter.SetBackground( background, Vector3(0.5f, 0.f,0.5f) );
 252   mEmitter.SetBubbleDensity( 9.f );
 253   Actor bubbleRoot = mEmitter.GetRootActor();
 254   parentActor.Add( bubbleRoot );
 255   bubbleRoot.SetParentOrigin(ParentOrigin::CENTER);
 256   bubbleRoot.SetZ(0.1f);
 257
 258   mEmitTrackTimer = Timer::New( EMIT_INTERVAL_IN_MS );
 259   mEmitTrackTimer.TickSignal().Connect(this, &NewWindowController::OnTrackTimerTick);
 260   mEmitTrackTimer.Start();
 261 }
 262
 263 void NewWindowController::AddMeshActor( Actor& parentActor )
 264 {
 265   Geometry meshGeometry = CreateMeshGeometry();
 266
 267   // Create a coloured mesh
 268   Shader shaderColorMesh = Shader::New( VERTEX_COLOR_MESH, FRAGMENT_COLOR_MESH );
 269   Renderer colorMeshRenderer = Renderer::New( meshGeometry, shaderColorMesh );
 270
 271   Actor colorMeshActor = Actor::New();
 272   colorMeshActor.AddRenderer( colorMeshRenderer );
 273   colorMeshActor.SetSize( 175.f,175.f, 175.f );
 274   colorMeshActor.SetParentOrigin( ParentOrigin::CENTER );
 275   colorMeshActor.SetAnchorPoint(AnchorPoint::TOP_CENTER);
 276   colorMeshActor.SetPosition(Vector3(0.0f, 50.0f, 0.0f));
 277   colorMeshActor.SetOrientation( Degree(75.f), Vector3::XAXIS );
 278   colorMeshActor.SetName("ColorMeshActor");
 279
 280  // Create a textured mesh
 281   Texture effectTexture = DemoHelper::LoadTexture(EFFECT_IMAGE);
 282   Shader shaderTextureMesh = Shader::New( VERTEX_TEXTURE_MESH, FRAGMENT_TEXTURE_MESH );
 283   TextureSet textureSet = TextureSet::New();
 284   textureSet.SetTexture( 0u, effectTexture );
 285   Renderer textureMeshRenderer = Renderer::New( meshGeometry, shaderTextureMesh );
 286   textureMeshRenderer.SetTextures( textureSet );
 287
 288   Actor textureMeshActor = Actor::New();
 289   textureMeshActor.AddRenderer( textureMeshRenderer );
 290   textureMeshActor.SetSize( 175.f,175.f, 175.f );
 291   textureMeshActor.SetParentOrigin( ParentOrigin::CENTER );
 292   textureMeshActor.SetAnchorPoint(AnchorPoint::TOP_CENTER);
 293   textureMeshActor.SetPosition(Vector3(0.0f, 200.0f, 0.0f));
 294   textureMeshActor.SetOrientation( Degree(75.f), Vector3::XAXIS );
 295   textureMeshActor.SetName("TextureMeshActor");
 296
 297   Layer layer3d = Layer::New();
 298   layer3d.SetParentOrigin( ParentOrigin::CENTER );
 299   layer3d.SetAnchorPoint( AnchorPoint::CENTER );
 300   layer3d.SetBehavior(Layer::LAYER_3D);
 301
 302   layer3d.Add( colorMeshActor );
 303   layer3d.Add( textureMeshActor );
 304   parentActor.Add(layer3d);
 305 }
 306
 307 void NewWindowController::AddBlendingImageActor( Actor& parentActor )
 308 {
 309   Property::Map colorModifier = CreateColorModifierer();
 310
 311   FrameBufferImage fb2 = CreateFrameBufferForImage( EFFECT_IMAGE, colorModifier, Vector3( 0.5f, 0.5f, 0.5f ) );
 312
 313   ImageView tmpActor = ImageView::New(fb2);
 314   parentActor.Add(tmpActor);
 315   tmpActor.SetParentOrigin(ParentOrigin::CENTER_RIGHT);
 316   tmpActor.SetAnchorPoint(AnchorPoint::TOP_RIGHT);
 317   tmpActor.SetPosition(Vector3(0.0f, 150.0f, 0.0f));
 318   tmpActor.SetScale(0.25f);
 319
 320   // create blending shader effect
 321   Property::Map customShader;
 322   customShader[ "fragmentShader" ] = FRAGMENT_BLEND_SHADER;
 323   Property::Map map;
 324   map[ "shader" ] = customShader;
 325
 326   ImageView blendActor = ImageView::New( BASE_IMAGE );
 327   blendActor.SetProperty( ImageView::Property::IMAGE, map );
 328   blendActor.RegisterProperty( "alpha", 0.5f );
 329
 330   blendActor.SetParentOrigin(ParentOrigin::CENTER_RIGHT);
 331   blendActor.SetAnchorPoint(AnchorPoint::BOTTOM_RIGHT);
 332   blendActor.SetPosition(Vector3(0.0f, 100.0f, 0.0f));
 333   blendActor.SetSize(140, 140);
 334   parentActor.Add(blendActor);
 335
 336   TextureSet textureSet = blendActor.GetRendererAt(0u).GetTextures();
 337   TextureSetImage( textureSet, 1u, fb2 );
 338 }
 339
 340 void NewWindowController::AddTextLabel( Actor& parentActor )
 341 {
 342   mTextActor = TextLabel::New("Some text");
 343   mTextActor.SetParentOrigin(ParentOrigin::CENTER);
 344   mTextActor.SetColor(Color::RED);
 345   mTextActor.SetName("PushMe text");
 346   parentActor.Add( mTextActor );
 347 }
 348
 349 ImageView NewWindowController::CreateBlurredMirrorImage(const char* imageName)
 350 {
 351   Image image = DemoHelper::LoadImage(imageName);
 352
 353   Vector2 FBOSize = Vector2( image.GetWidth(), image.GetHeight() );
 354   FrameBufferImage fbo = FrameBufferImage::New( FBOSize.width, FBOSize.height, Pixel::RGBA8888);
 355
 356   GaussianBlurView gbv = GaussianBlurView::New(5, 2.0f, Pixel::RGBA8888, 0.5f, 0.5f, true);
 357   gbv.SetBackgroundColor(Color::TRANSPARENT);
 358   gbv.SetUserImageAndOutputRenderTarget( image, fbo );
 359   gbv.SetSize(FBOSize);
 360   Stage::GetCurrent().Add(gbv);
 361   gbv.ActivateOnce();
 362
 363   ImageView blurredActor = ImageView::New(fbo);
 364   blurredActor.SetSize(FBOSize);
 365   blurredActor.SetScale(1.0f, -1.0f, 1.0f);
 366   return blurredActor;
 367 }
 368
 369 FrameBufferImage NewWindowController::CreateFrameBufferForImage(const char* imageName, Property::Map& shaderEffect, const Vector3& rgbDelta )
 370 {
 371   Stage stage = Stage::GetCurrent();
 372   Uint16Pair intFboSize = ResourceImage::GetImageSize( imageName );
 373   Vector2 FBOSize = Vector2(intFboSize.GetWidth(), intFboSize.GetHeight());
 374
 375   FrameBufferImage framebuffer = FrameBufferImage::New(FBOSize.x, FBOSize.y );
 376
 377   RenderTask renderTask = stage.GetRenderTaskList().CreateTask();
 378
 379   ImageView imageView = ImageView::New( imageName );
 380   imageView.SetName("Source image actor");
 381   imageView.SetProperty( ImageView::Property::IMAGE, shaderEffect );
 382   imageView.RegisterProperty( "uRGBDelta", rgbDelta );
 383
 384   imageView.SetParentOrigin(ParentOrigin::CENTER);
 385   imageView.SetAnchorPoint(AnchorPoint::CENTER);
 386   imageView.SetScale(1.0f, -1.0f, 1.0f);
 387   stage.Add(imageView); // Not in default image view
 388
 389   CameraActor cameraActor = CameraActor::New(FBOSize);
 390   cameraActor.SetParentOrigin(ParentOrigin::CENTER);
 391   cameraActor.SetFieldOfView(Math::PI*0.25f);
 392   cameraActor.SetNearClippingPlane(1.0f);
 393   cameraActor.SetAspectRatio(FBOSize.width / FBOSize.height);
 394   cameraActor.SetType(Dali::Camera::FREE_LOOK); // camera orientation based solely on actor
 395   cameraActor.SetPosition(0.0f, 0.0f, ((FBOSize.height * 0.5f) / tanf(Math::PI * 0.125f)));
 396   stage.Add(cameraActor);
 397
 398   renderTask.SetSourceActor(imageView);
 399   renderTask.SetInputEnabled(false);
 400   renderTask.SetTargetFrameBuffer(framebuffer);
 401   renderTask.SetCameraActor( cameraActor );
 402   renderTask.SetClearColor( Color::TRANSPARENT );
 403   renderTask.SetClearEnabled( true );
 404   renderTask.SetRefreshRate(RenderTask::REFRESH_ONCE);
 405
 406   return framebuffer;
 407 }
 408
 409 void NewWindowController::SetUpBubbleEmission( const Vector2& emitPosition, const Vector2& direction)
 410 {
 411   if( mNeedNewAnimation )
 412   {
 413     float duration = Random::Range(1.f, 1.5f);
 414     mEmitAnimation = Animation::New( duration );
 415     mNeedNewAnimation = false;
 416     mAnimateComponentCount = 0;
 417   }
 418
 419   mEmitter.EmitBubble( mEmitAnimation, emitPosition, direction, Vector2(10,10) );
 420
 421   mAnimateComponentCount++;
 422
 423   if( mAnimateComponentCount % 6 ==0 )
 424   {
 425     mEmitAnimation.Play();
 426     mNeedNewAnimation = true;
 427   }
 428 }
 429
 430 Geometry NewWindowController::CreateMeshGeometry()
 431 {
 432   // Create vertices and specify their color
 433   struct Vertex
 434   {
 435     Vector3 position;
 436     Vector2 textureCoordinates;
 437     Vector3 color;
 438   };
 439
 440   Vertex vertexData[5] = {
 441     { Vector3(  0.0f,  0.0f, 0.5f ), Vector2(0.5f, 0.5f), Vector3(1.0f, 1.0f, 1.0f) },
 442     { Vector3( -0.5f, -0.5f, 0.0f ), Vector2(0.0f, 0.0f), Vector3(1.0f, 0.0f, 0.0f) },
 443     { Vector3(  0.5f, -0.5f, 0.0f ), Vector2(1.0f, 0.0f), Vector3(1.0f, 1.0f, 0.0f) },
 444     { Vector3( -0.5f,  0.5f, 0.0f ), Vector2(0.0f, 1.0f), Vector3(0.0f, 1.0f, 0.0f) },
 445     { Vector3(  0.5f,  0.5f, 0.0f ), Vector2(1.0f, 1.0f), Vector3(0.0f, 0.0f, 1.0f) }  };
 446
 447   Property::Map vertexFormat;
 448   vertexFormat["aPosition"] = Property::VECTOR3;
 449   vertexFormat["aTexCoord"] = Property::VECTOR2;
 450   vertexFormat["aColor"] = Property::VECTOR3;
 451   PropertyBuffer vertices = PropertyBuffer::New( vertexFormat );
 452   vertices.SetData( vertexData, 5 );
 453
 454   // Specify all the faces
 455   unsigned short indexData[12] = { 0,1,3,0,2,4,0,3,4,0,2,1 };
 456
 457   // Create the geometry object
 458   Geometry geometry = Geometry::New();
 459   geometry.AddVertexBuffer( vertices );
 460   geometry.SetIndexBuffer( &indexData[0], 12 );
 461
 462   return geometry;
 463 }
 464
 465 Dali::Property::Map NewWindowController::CreateColorModifierer()
 466 {
 467  const char* fragmentShader ( DALI_COMPOSE_SHADER (
 468    precision highp float;\n
 469    uniform vec3 uRGBDelta;\n
 470    uniform float uIgnoreAlpha;\n
 471    \n
 472    varying mediump vec2 vTexCoord;\n
 473    uniform sampler2D sTexture;\n
 474    \n
 475    float rand(vec2 co) \n
 476    {\n
 477      return fract(sin(dot(co.xy ,vec2(12.9898,78.233))) * 43758.5453); \n}
 478    \n
 479    void main() {\n
 480      vec4 color = texture2D(sTexture, vTexCoord); \n
 481      // modify the hsv Value
 482      color.rgb += uRGBDelta * rand(vTexCoord); \n
 483      // if the new vale exceeds one, then decrease it
 484      color.rgb -= max(color.rgb*2.0 - vec3(2.0), 0.0);\n
 485      // if the new vale drops below zero, then increase it
 486      color.rgb -= min(color.rgb*2.0, 0.0);\n
 487      gl_FragColor = color; \n
 488    }\n
 489  ) );
 490
 491  Property::Map map;
 492  Property::Map customShader;
 493  customShader[ "fragmentShader" ] = fragmentShader;
 494  map[ "shader" ] = customShader;
 495
 496  return map;
 497 }
 498
 499 void NewWindowController::NewWindow(void)
 500 {
 501   PositionSize posSize(0, 0, 720, 1280);
 502   gApplication.ReplaceWindow(posSize, "NewWindow"); // Generates a new window
 503 }
 504
 505 bool NewWindowController::OnLoseContextButtonClicked( Toolkit::Button button )
 506 {
 507   // Add as an idle callback to avoid ProcessEvents being recursively called.
 508   mApplication.AddIdle( MakeCallback( NewWindowController::NewWindow ) );
 509   return true;
 510 }
 511
 512 bool NewWindowController::OnTrackTimerTick()
 513 {
 514   static int time=0;
 515   const float radius(250.0f);
 516
 517   time += EMIT_INTERVAL_IN_MS;
 518   float modTime = time / TRACK_DURATION_IN_MS;
 519   float angle = 2.0f*Math::PI*modTime;
 520
 521   Vector2 position(radius*cosf(angle), radius*-sinf(angle));
 522   Vector2 aimPos(radius*2*sinf(angle), radius*2*-cosf(angle));
 523   Vector2 direction = aimPos-position;
 524   Vector2 stageSize = Stage::GetCurrent().GetSize();
 525
 526   SetUpBubbleEmission( stageSize*0.5f+position, direction );
 527   SetUpBubbleEmission( stageSize*0.5f+position*0.75f, direction );
 528   SetUpBubbleEmission( stageSize*0.5f+position*0.7f, direction );
 529
 530   return true;
 531 }
 532
 533 void NewWindowController::OnKeyEvent(const KeyEvent& event)
 534 {
 535   if(event.state == KeyEvent::Down)
 536   {
 537     if( IsKey( event, Dali::DALI_KEY_ESCAPE) || IsKey( event, Dali::DALI_KEY_BACK) )
 538     {
 539       mApplication.Quit();
 540     }
 541   }
 542 }
 543
 544 void NewWindowController::OnContextLost()
 545 {
 546   printf("Stage reporting context loss\n");
 547 }
 548
 549 void NewWindowController::OnContextRegained()
 550 {
 551   printf("Stage reporting context regain\n");
 552 }
 553
 554 void RunTest(Application& app)
 555 {
 556   gNewWindowController = new NewWindowController(app);
 557   app.MainLoop(Configuration::APPLICATION_DOES_NOT_HANDLE_CONTEXT_LOSS);
 558 }
 559
 560 // Entry point for Linux & Tizen applications
 561 //
 562 int DALI_EXPORT_API main(int argc, char **argv)
 563 {
 564   gApplication = Application::New(&argc, &argv, DEMO_THEME_PATH);
 565   RunTest(gApplication);
 566
 567   return 0;
 568 }