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.RotateTo( mView, Degree( -orientation ), Vector3::ZAXIS, AlphaFunctions::EaseOut );
330 mRotateAnimation.Resize( mView, targetSize.width, targetSize.height );
331 mRotateAnimation.Play();
335 // set the rotation to match the orientation
336 mView.SetOrientation( Degree( -orientation ), Vector3::ZAXIS );
337 mView.SetSize( targetSize );
342 // for first time just set size
343 mView.SetSize( targetSize );
348 //////////////////////////////////////////////////////////////
354 // move to point on screen that was tapped
355 void OnTap( Actor actor, const TapGesture& tapGesture )
358 float originOffsetX, originOffsetY;
360 // rotate offset (from top left origin to centre) into actor space
361 Vector2 stageSize = Dali::Stage::GetCurrent().GetSize();
362 actor.ScreenToLocal(originOffsetX, originOffsetY, stageSize.width * 0.5f, stageSize.height * 0.5f);
364 // get dest point in local actor space
365 destPos.x = tapGesture.localPoint.x - originOffsetX;
366 destPos.y = tapGesture.localPoint.y - originOffsetY;
369 float animDuration = 0.5f;
370 mActorTapMovementAnimation = Animation::New( animDuration );
371 if ( mMotionBlurImageActor )
373 mActorTapMovementAnimation.AnimateTo( Property(mMotionBlurImageActor, Actor::Property::POSITION), destPos, AlphaFunctions::EaseInOutSine, TimePeriod(animDuration) );
375 mActorTapMovementAnimation.SetEndAction( Animation::Bake );
376 mActorTapMovementAnimation.Play();
379 // perform some spinning etc
380 if(mActorEffectsEnabled)
382 switch(mCurrentActorAnimation)
387 float animDuration = 1.0f;
388 mActorAnimation = Animation::New(animDuration);
389 mActorAnimation.RotateBy(mMotionBlurImageActor, Degree(720), Vector3::YAXIS, AlphaFunctions::EaseInOut);
390 mActorAnimation.SetEndAction( Animation::Bake );
391 mActorAnimation.Play();
398 float animDuration = 1.0f;
399 mActorAnimation = Animation::New(animDuration);
400 mActorAnimation.RotateBy(mMotionBlurImageActor, Degree(720), Vector3::ZAXIS, AlphaFunctions::EaseInOut);
401 mActorAnimation.SetEndAction( Animation::Bake );
402 mActorAnimation.Play();
406 // spin around y and z
409 float animDuration = 1.0f;
410 mActorAnimation = Animation::New(animDuration);
411 mActorAnimation.RotateBy(mMotionBlurImageActor, Degree(360), Vector3::YAXIS, AlphaFunctions::EaseInOut);
412 mActorAnimation.RotateBy(mMotionBlurImageActor, Degree(360), Vector3::ZAXIS, AlphaFunctions::EaseInOut);
413 mActorAnimation.SetEndAction( Animation::Bake );
414 mActorAnimation.Play();
421 float animDuration = 1.0f;
422 mActorAnimation = Animation::New(animDuration);
423 mActorAnimation.ScaleBy(mMotionBlurImageActor, Vector3(2.0f, 2.0f, 2.0f), AlphaFunctions::Bounce, 0.0f, 1.0f);
424 mActorAnimation.SetEndAction( Animation::Bake );
425 mActorAnimation.Play();
433 mCurrentActorAnimation++;
434 if(NUM_ACTOR_ANIMATIONS == mCurrentActorAnimation)
436 mCurrentActorAnimation = 0;
441 void ToggleActorEffects()
443 if(!mActorEffectsEnabled)
445 mActorEffectsEnabled = true;
446 mActorEffectsButton.SetBackgroundImage( mIconEffectsOn );
450 mActorEffectsEnabled = false;
451 mActorEffectsButton.SetBackgroundImage( mIconEffectsOff );
455 //////////////////////////////////////////////////////////////
461 bool OnLayoutButtonClicked( Toolkit::Button button )
467 bool OnEffectButtonClicked( Toolkit::Button button )
469 ToggleActorEffects();
474 * Main key event handler
476 void OnKeyEvent(const KeyEvent& event)
478 if(event.state == KeyEvent::Down)
480 if( IsKey( event, Dali::DALI_KEY_ESCAPE) || IsKey( event, Dali::DALI_KEY_BACK) )
487 //////////////////////////////////////////////////////////////
497 if(MOTION_BLUR_NUM_ACTOR_IMAGES == mCurrentImage)
502 Image blurImage = LoadImageFittedInBox( MOTION_BLUR_ACTOR_IMAGES[mCurrentImage], mMotionBlurActorSize.x, mMotionBlurActorSize.y );
503 mMotionBlurImageActor.SetImage(blurImage);
508 Application& mApplication; ///< Application instance
510 Toolkit::ToolBar mToolBar;
511 Image mIconEffectsOff;
512 Image mIconEffectsOn;
514 Layer mContentLayer; ///< Content layer (contains actor for this blur demo)
516 PushButton mActorEffectsButton; ///< The actor effects toggling Button.
519 MotionBlurEffect mMotionBlurEffect;
520 ImageActor mMotionBlurImageActor;
521 Size mMotionBlurActorSize;
523 #ifdef MULTIPLE_MOTION_BLURRED_ACTORS
524 MotionBlurEffect mMotionBlurEffect2;
525 MotionBlurEffect mMotionBlurEffect3;
526 MotionBlurEffect mMotionBlurEffect4;
527 MotionBlurEffect mMotionBlurEffect5;
529 ImageActor mMotionBlurImageActor2;
530 ImageActor mMotionBlurImageActor3;
531 ImageActor mMotionBlurImageActor4;
532 ImageActor mMotionBlurImageActor5;
533 #endif //#ifdef MULTIPLE_MOTION_BLURRED_ACTORS
535 // animate actor to position where user taps screen
536 Animation mActorTapMovementAnimation;
538 // show different animations to demonstrate blur effect working on an object only movement basis
539 bool mActorEffectsEnabled;
540 Animation mActorAnimation;
541 int mCurrentActorAnimation;
543 // offer a selection of images that user can cycle between
546 TapGestureDetector mTapGestureDetector;
548 DeviceOrientation mOrientation; ///< Current Device orientation
549 Animation mRotateAnimation; ///< Animation for rotating between landscape and portrait.
551 Popup mInstructionsPopup; ///< Info Popup
554 void RunTest(Application& app)
556 MotionBlurExampleApp test(app);
561 // Entry point for Linux & Tizen applications
563 int main(int argc, char **argv)
565 Application app = Application::New(&argc, &argv);