2 * Copyright (c) 2014 Samsung Electronics Co., Ltd.
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
8 * http://www.apache.org/licenses/LICENSE-2.0
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.
21 #include "shared/view.h"
22 #include <dali/dali.h>
23 #include <dali-toolkit/dali-toolkit.h>
26 using namespace Dali::Toolkit;
30 namespace // unnamed namespace
33 ////////////////////////////////////////////////////
35 // Demo setup parameters
38 //#define MULTIPLE_MOTION_BLURRED_ACTORS
39 #ifndef MULTIPLE_MOTION_BLURRED_ACTORS
41 const float MOTION_BLUR_ACTOR_WIDTH = 256; // actor size on screen
42 const float MOTION_BLUR_ACTOR_HEIGHT = 256; // ""
44 #else //#ifndef MULTIPLE_MOTION_BLURRED_ACTORS
46 const float MOTION_BLUR_ACTOR_WIDTH = 150; // actor size on screen
47 const float MOTION_BLUR_ACTOR_HEIGHT = 112; // ""
49 #endif //#ifndef MULTIPLE_MOTION_BLURRED_ACTORS
52 const unsigned int MOTION_BLUR_NUM_SAMPLES = 8;
54 const int MOTION_BLUR_NUM_ACTOR_IMAGES = 5;
55 const char* MOTION_BLUR_ACTOR_IMAGE1( DALI_IMAGE_DIR "image-with-border-1.jpg" );
56 const char* MOTION_BLUR_ACTOR_IMAGE2( DALI_IMAGE_DIR "image-with-border-2.jpg" );
57 const char* MOTION_BLUR_ACTOR_IMAGE3( DALI_IMAGE_DIR "image-with-border-3.jpg" );
58 const char* MOTION_BLUR_ACTOR_IMAGE4( DALI_IMAGE_DIR "image-with-border-4.jpg" );
59 const char* MOTION_BLUR_ACTOR_IMAGE5( DALI_IMAGE_DIR "image-with-border-1.jpg" );
61 const char* MOTION_BLUR_ACTOR_IMAGES[] = {
62 MOTION_BLUR_ACTOR_IMAGE1,
63 MOTION_BLUR_ACTOR_IMAGE2,
64 MOTION_BLUR_ACTOR_IMAGE3,
65 MOTION_BLUR_ACTOR_IMAGE4,
66 MOTION_BLUR_ACTOR_IMAGE5,
69 const int NUM_ACTOR_ANIMATIONS = 4;
70 const int NUM_CAMERA_ANIMATIONS = 2;
73 const char* BACKGROUND_IMAGE_PATH = DALI_IMAGE_DIR "background-default.png";
75 const char* TOOLBAR_IMAGE( DALI_IMAGE_DIR "top-bar.png" );
76 const char* LAYOUT_IMAGE( DALI_IMAGE_DIR "icon-change.png" );
77 const char* APPLICATION_TITLE( "Motion Blur" );
78 const char* EFFECTS_OFF_ICON( DALI_IMAGE_DIR "icon-effects-off.png" );
79 const char* EFFECTS_ON_ICON( DALI_IMAGE_DIR "icon-effects-on.png" );
81 const float UI_MARGIN = 4.0f; ///< Screen Margin for placement of UI buttons
83 const Vector3 BUTTON_SIZE_CONSTRAINT( 0.24f, 0.09f, 1.0f );
84 const Vector3 BUTTON_TITLE_LABEL_TAP_HERE_SIZE_CONSTRAINT( 0.55f, 0.06f, 1.0f );
85 const Vector3 BUTTON_TITLE_LABEL_INSTRUCTIONS_POPUP_SIZE_CONSTRAINT( 1.0f, 1.0f, 1.0f );
87 // move this button down a bit so it is visible on target and not covered up by toolbar
88 const float BUTTON_TITLE_LABEL_Y_OFFSET = 0.05f;
90 const float ORIENTATION_DURATION = 0.5f; ///< Time to rotate to new orientation.
93 * @brief Load an image, scaled-down to no more than the dimensions passed in.
95 * Uses ImageAttributes::ShrinkToFit which ensures the resulting image is
96 * smaller than or equal to the specified dimensions while preserving its
97 * original aspect ratio.
99 ResourceImage LoadImageFittedInBox( const char * const imagePath, uint32_t maxWidth, uint32_t maxHeight )
101 // Load the image nicely scaled-down to fit within the specified max width and height:
102 ImageAttributes attributes;
103 attributes.SetSize( maxWidth, maxHeight);
104 attributes.SetFilterMode( ImageAttributes::BoxThenLinear );
105 attributes.SetScalingMode( ImageAttributes::ShrinkToFit );
106 return ResourceImage::New( imagePath, attributes );
109 } // unnamed namespace
113 class MotionBlurExampleApp : public ConnectionTracker
118 * DeviceOrientation describes the four different
119 * orientations the device can be in based on accelerometer reports.
121 enum DeviceOrientation
125 PORTRAIT_INVERSE = 180,
126 LANDSCAPE_INVERSE = 270
131 * @param application class, stored as reference
133 MotionBlurExampleApp(Application &app)
135 mActorEffectsEnabled(false),
136 mCurrentActorAnimation(0),
139 // Connect to the Application's Init signal
140 app.InitSignal().Connect(this, &MotionBlurExampleApp::OnInit);
143 ~MotionBlurExampleApp()
145 // Nothing to do here; everything gets deleted automatically
149 * This method gets called once the main loop of application is up and running
151 void OnInit(Application& app)
153 // The Init signal is received once (only) during the Application lifetime
155 Stage::GetCurrent().KeyEventSignal().Connect(this, &MotionBlurExampleApp::OnKeyEvent);
158 // Creates a default view with a default tool bar.
159 // The view is added to the stage.
160 mContentLayer = DemoHelper::CreateView( mApplication,
163 BACKGROUND_IMAGE_PATH,
167 //Add an effects icon on the right of the title
168 mIconEffectsOff = ResourceImage::New( EFFECTS_OFF_ICON );
169 mIconEffectsOn = ResourceImage::New( EFFECTS_ON_ICON );
170 mActorEffectsButton = Toolkit::PushButton::New();
171 mActorEffectsButton.SetBackgroundImage( mIconEffectsOff );
172 mActorEffectsButton.ClickedSignal().Connect( this, &MotionBlurExampleApp::OnEffectButtonClicked );
173 mToolBar.AddControl( mActorEffectsButton, DemoHelper::DEFAULT_VIEW_STYLE.mToolBarButtonPercentage, Toolkit::Alignment::HorizontalCenter, DemoHelper::DEFAULT_PLAY_PADDING );
175 // Creates a mode button.
176 // Create a effect toggle button. (right of toolbar)
177 Image imageLayout = ResourceImage::New( LAYOUT_IMAGE );
178 Toolkit::PushButton layoutButton = Toolkit::PushButton::New();
179 layoutButton.SetBackgroundImage(imageLayout);
180 layoutButton.ClickedSignal().Connect( this, &MotionBlurExampleApp::OnLayoutButtonClicked);
181 layoutButton.SetLeaveRequired( true );
182 mToolBar.AddControl( layoutButton, DemoHelper::DEFAULT_VIEW_STYLE.mToolBarButtonPercentage, Toolkit::Alignment::HorizontalRight, DemoHelper::DEFAULT_MODE_SWITCH_PADDING );
185 mTapGestureDetector = TapGestureDetector::New();
186 mTapGestureDetector.Attach( mContentLayer );
187 mTapGestureDetector.DetectedSignal().Connect( this, &MotionBlurExampleApp::OnTap );
189 Dali::Window winHandle = app.GetWindow();
190 winHandle.AddAvailableOrientation( Dali::Window::PORTRAIT );
191 winHandle.AddAvailableOrientation( Dali::Window::LANDSCAPE );
192 winHandle.AddAvailableOrientation( Dali::Window::PORTRAIT_INVERSE );
193 winHandle.AddAvailableOrientation( Dali::Window::LANDSCAPE_INVERSE );
195 // set initial orientation
196 app.GetOrientation().ChangedSignal().Connect( this, &MotionBlurExampleApp::OnOrientationChanged );
197 unsigned int degrees = app.GetOrientation().GetDegrees();
198 Rotate( static_cast< DeviceOrientation >( degrees ) );
201 ///////////////////////////////////////////////////////
203 // Motion blurred actor
206 // Scale down actor to fit on very low resolution screens with space to interact:
207 Size stageSize = Stage::GetCurrent().GetSize();
208 mMotionBlurActorSize = Size( std::min( stageSize.x * 0.3f, MOTION_BLUR_ACTOR_WIDTH ), std::min( stageSize.y * 0.3f, MOTION_BLUR_ACTOR_HEIGHT ) );
209 mMotionBlurActorSize = Size( std::min( mMotionBlurActorSize.x, mMotionBlurActorSize.y ), std::min( mMotionBlurActorSize.x, mMotionBlurActorSize.y ) );
211 Image image = LoadImageFittedInBox( MOTION_BLUR_ACTOR_IMAGE1, mMotionBlurActorSize.x, mMotionBlurActorSize.y );
212 mMotionBlurImageActor = ImageActor::New(image);
213 mMotionBlurImageActor.SetParentOrigin( ParentOrigin::CENTER );
214 mMotionBlurImageActor.SetSize(mMotionBlurActorSize.x, mMotionBlurActorSize.y);
216 mContentLayer.Add( mMotionBlurImageActor );
218 // Create shader used for doing motion blur
219 mMotionBlurEffect = MotionBlurEffect::Apply(mMotionBlurImageActor);
222 #ifdef MULTIPLE_MOTION_BLURRED_ACTORS
224 ///////////////////////////////////////////////////////
226 // Motion blurred actor 2
229 mMotionBlurImageActor2 = ImageActor::New(image);
230 mMotionBlurImageActor2.SetParentOrigin( ParentOrigin::CENTER );
231 mMotionBlurImageActor2.SetSize(mMotionBlurActorSize.x, mMotionBlurActorSize.y);
232 mMotionBlurImageActor2.SetPosition(mMotionBlurActorSize.x * 1.1f, 0.0f);
233 mMotionBlurImageActor.Add( mMotionBlurImageActor2 );
235 // Create shader used for doing motion blur
236 mMotionBlurEffect2 = MotionBlurEffect::New(MOTION_BLUR_NUM_SAMPLES);
238 // set actor shader to the blur one
239 mMotionBlurImageActor2.SetShaderEffect( mMotionBlurEffect2 );
242 ///////////////////////////////////////////////////////
244 // Motion blurred actor 3
247 mMotionBlurImageActor3 = ImageActor::New(image);
248 mMotionBlurImageActor3.SetParentOrigin( ParentOrigin::CENTER );
249 mMotionBlurImageActor3.SetSize(mMotionBlurActorSize.x, mMotionBlurActorSize.y);
250 mMotionBlurImageActor3.SetPosition(-mMotionBlurActorSize.x * 1.1f, 0.0f);
251 mMotionBlurImageActor.Add( mMotionBlurImageActor3 );
253 // Create shader used for doing motion blur
254 mMotionBlurEffect3 = MotionBlurEffect::New(MOTION_BLUR_NUM_SAMPLES);
256 // set actor shader to the blur one
257 mMotionBlurImageActor3.SetShaderEffect( mMotionBlurEffect3 );
260 ///////////////////////////////////////////////////////
262 // Motion blurred actor 4
265 mMotionBlurImageActor4 = ImageActor::New(image);
266 mMotionBlurImageActor4.SetParentOrigin( ParentOrigin::CENTER );
267 mMotionBlurImageActor4.SetSize(mMotionBlurActorSize.x, mMotionBlurActorSize.y);
268 mMotionBlurImageActor4.SetPosition(0.0f, mMotionBlurActorSize.y * 1.1f);
269 mMotionBlurImageActor.Add( mMotionBlurImageActor4 );
271 // Create shader used for doing motion blur
272 mMotionBlurEffect4 = MotionBlurEffect::New(MOTION_BLUR_NUM_SAMPLES);
274 // set actor shader to the blur one
275 mMotionBlurImageActor4.SetShaderEffect( mMotionBlurEffect4 );
278 ///////////////////////////////////////////////////////
280 // Motion blurred actor 5
283 mMotionBlurImageActor5 = ImageActor::New(image);
284 mMotionBlurImageActor5.SetParentOrigin( ParentOrigin::CENTER );
285 mMotionBlurImageActor5.SetSize(mMotionBlurActorSize.x, mMotionBlurActorSize.y);
286 mMotionBlurImageActor5.SetPosition(0.0f, -mMotionBlurActorSize.y * 1.1f);
287 mMotionBlurImageActor.Add( mMotionBlurImageActor5 );
289 // Create shader used for doing motion blur
290 mMotionBlurEffect5 = MotionBlurEffect::New(MOTION_BLUR_NUM_SAMPLES);
292 // set actor shader to the blur one
293 mMotionBlurImageActor5.SetShaderEffect( mMotionBlurEffect5 );
294 #endif //#ifdef MULTIPLE_MOTION_BLURRED_ACTORS
297 //////////////////////////////////////////////////////////////
299 // Device Orientation Support
303 void OnOrientationChanged( Orientation orientation )
305 unsigned int degrees = orientation.GetDegrees();
306 Rotate( static_cast< DeviceOrientation >( degrees ) );
309 void Rotate( DeviceOrientation orientation )
311 // Resize the root actor
312 Vector2 stageSize = Stage::GetCurrent().GetSize();
313 Vector2 targetSize = stageSize;
314 if( orientation == LANDSCAPE ||
315 orientation == LANDSCAPE_INVERSE )
317 targetSize = Vector2( stageSize.y, stageSize.x );
320 if( mOrientation != orientation )
322 mOrientation = orientation;
324 // check if actor is on stage
325 if( mView.GetParent() )
327 // has parent so we expect it to be on stage, start animation
328 mRotateAnimation = Animation::New( ORIENTATION_DURATION );
329 mRotateAnimation.AnimateTo( Property( mView, Actor::Property::ORIENTATION ), Quaternion( Radian( Degree( -orientation ) ), Vector3::ZAXIS ), AlphaFunctions::EaseOut );
330 mRotateAnimation.AnimateTo( Property( mView, Actor::Property::SIZE_WIDTH ), targetSize.width );
331 mRotateAnimation.AnimateTo( Property( mView, Actor::Property::SIZE_HEIGHT ), targetSize.height );
332 mRotateAnimation.Play();
336 // set the rotation to match the orientation
337 mView.SetOrientation( Degree( -orientation ), Vector3::ZAXIS );
338 mView.SetSize( targetSize );
343 // for first time just set size
344 mView.SetSize( targetSize );
349 //////////////////////////////////////////////////////////////
355 // move to point on screen that was tapped
356 void OnTap( Actor actor, const TapGesture& tapGesture )
359 float originOffsetX, originOffsetY;
361 // rotate offset (from top left origin to centre) into actor space
362 Vector2 stageSize = Dali::Stage::GetCurrent().GetSize();
363 actor.ScreenToLocal(originOffsetX, originOffsetY, stageSize.width * 0.5f, stageSize.height * 0.5f);
365 // get dest point in local actor space
366 destPos.x = tapGesture.localPoint.x - originOffsetX;
367 destPos.y = tapGesture.localPoint.y - originOffsetY;
370 float animDuration = 0.5f;
371 mActorTapMovementAnimation = Animation::New( animDuration );
372 if ( mMotionBlurImageActor )
374 mActorTapMovementAnimation.AnimateTo( Property(mMotionBlurImageActor, Actor::Property::POSITION), destPos, AlphaFunctions::EaseInOutSine, TimePeriod(animDuration) );
376 mActorTapMovementAnimation.SetEndAction( Animation::Bake );
377 mActorTapMovementAnimation.Play();
380 // perform some spinning etc
381 if(mActorEffectsEnabled)
383 switch(mCurrentActorAnimation)
388 float animDuration = 1.0f;
389 mActorAnimation = Animation::New(animDuration);
390 mActorAnimation.AnimateBy( Property( mMotionBlurImageActor, Actor::Property::ORIENTATION ), Quaternion( Radian( Degree(360.0f) ), Vector3::YAXIS ), AlphaFunctions::EaseInOut );
391 mActorAnimation.SetEndAction( Animation::Bake );
392 mActorAnimation.Play();
399 float animDuration = 1.0f;
400 mActorAnimation = Animation::New(animDuration);
401 mActorAnimation.AnimateBy( Property( mMotionBlurImageActor, Actor::Property::ORIENTATION ), Quaternion( Radian( Degree(360.0f) ), Vector3::ZAXIS ), AlphaFunctions::EaseInOut );
402 mActorAnimation.SetEndAction( Animation::Bake );
403 mActorAnimation.Play();
407 // spin around y and z
410 float animDuration = 1.0f;
411 mActorAnimation = Animation::New(animDuration);
412 mActorAnimation.AnimateBy( Property( mMotionBlurImageActor, Actor::Property::ORIENTATION ), Quaternion( Radian( Degree(360.0f) ), Vector3::YAXIS ), AlphaFunctions::EaseInOut );
413 mActorAnimation.AnimateBy( Property( mMotionBlurImageActor, Actor::Property::ORIENTATION ), Quaternion( Radian( Degree(360.0f) ), Vector3::ZAXIS ), AlphaFunctions::EaseInOut );
414 mActorAnimation.SetEndAction( Animation::Bake );
415 mActorAnimation.Play();
422 float animDuration = 1.0f;
423 mActorAnimation = Animation::New(animDuration);
424 mActorAnimation.AnimateBy( Property( mMotionBlurImageActor, Actor::Property::SCALE ), Vector3(2.0f, 2.0f, 2.0f), AlphaFunctions::Bounce, TimePeriod( 0.0f, 1.0f ) );
425 mActorAnimation.SetEndAction( Animation::Bake );
426 mActorAnimation.Play();
434 mCurrentActorAnimation++;
435 if(NUM_ACTOR_ANIMATIONS == mCurrentActorAnimation)
437 mCurrentActorAnimation = 0;
442 void ToggleActorEffects()
444 if(!mActorEffectsEnabled)
446 mActorEffectsEnabled = true;
447 mActorEffectsButton.SetBackgroundImage( mIconEffectsOn );
451 mActorEffectsEnabled = false;
452 mActorEffectsButton.SetBackgroundImage( mIconEffectsOff );
456 //////////////////////////////////////////////////////////////
462 bool OnLayoutButtonClicked( Toolkit::Button button )
468 bool OnEffectButtonClicked( Toolkit::Button button )
470 ToggleActorEffects();
475 * Main key event handler
477 void OnKeyEvent(const KeyEvent& event)
479 if(event.state == KeyEvent::Down)
481 if( IsKey( event, Dali::DALI_KEY_ESCAPE) || IsKey( event, Dali::DALI_KEY_BACK) )
488 //////////////////////////////////////////////////////////////
498 if(MOTION_BLUR_NUM_ACTOR_IMAGES == mCurrentImage)
503 Image blurImage = LoadImageFittedInBox( MOTION_BLUR_ACTOR_IMAGES[mCurrentImage], mMotionBlurActorSize.x, mMotionBlurActorSize.y );
504 mMotionBlurImageActor.SetImage(blurImage);
509 Application& mApplication; ///< Application instance
511 Toolkit::ToolBar mToolBar;
512 Image mIconEffectsOff;
513 Image mIconEffectsOn;
515 Layer mContentLayer; ///< Content layer (contains actor for this blur demo)
517 PushButton mActorEffectsButton; ///< The actor effects toggling Button.
520 MotionBlurEffect mMotionBlurEffect;
521 ImageActor mMotionBlurImageActor;
522 Size mMotionBlurActorSize;
524 #ifdef MULTIPLE_MOTION_BLURRED_ACTORS
525 MotionBlurEffect mMotionBlurEffect2;
526 MotionBlurEffect mMotionBlurEffect3;
527 MotionBlurEffect mMotionBlurEffect4;
528 MotionBlurEffect mMotionBlurEffect5;
530 ImageActor mMotionBlurImageActor2;
531 ImageActor mMotionBlurImageActor3;
532 ImageActor mMotionBlurImageActor4;
533 ImageActor mMotionBlurImageActor5;
534 #endif //#ifdef MULTIPLE_MOTION_BLURRED_ACTORS
536 // animate actor to position where user taps screen
537 Animation mActorTapMovementAnimation;
539 // show different animations to demonstrate blur effect working on an object only movement basis
540 bool mActorEffectsEnabled;
541 Animation mActorAnimation;
542 int mCurrentActorAnimation;
544 // offer a selection of images that user can cycle between
547 TapGestureDetector mTapGestureDetector;
549 DeviceOrientation mOrientation; ///< Current Device orientation
550 Animation mRotateAnimation; ///< Animation for rotating between landscape and portrait.
552 Popup mInstructionsPopup; ///< Info Popup
555 void RunTest(Application& app)
557 MotionBlurExampleApp test(app);
562 // Entry point for Linux & Tizen applications
564 int main(int argc, char **argv)
566 Application app = Application::New(&argc, &argv);