2 * Copyright (c) 2018 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>
24 #include <dali-toolkit/devel-api/controls/buttons/button-devel.h>
25 #include <dali-toolkit/devel-api/shader-effects/motion-blur-effect.h>
28 using namespace Dali::Toolkit;
32 namespace // unnamed namespace
35 ////////////////////////////////////////////////////
37 // Demo setup parameters
40 const float MOTION_BLUR_ACTOR_WIDTH = 256; // actor size on screen
41 const float MOTION_BLUR_ACTOR_HEIGHT = 256; // ""
42 const unsigned int MOTION_BLUR_NUM_SAMPLES = 8;
44 const int MOTION_BLUR_NUM_ACTOR_IMAGES = 5;
45 const char* MOTION_BLUR_ACTOR_IMAGE1( DEMO_IMAGE_DIR "image-with-border-1.jpg" );
46 const char* MOTION_BLUR_ACTOR_IMAGE2( DEMO_IMAGE_DIR "image-with-border-2.jpg" );
47 const char* MOTION_BLUR_ACTOR_IMAGE3( DEMO_IMAGE_DIR "image-with-border-3.jpg" );
48 const char* MOTION_BLUR_ACTOR_IMAGE4( DEMO_IMAGE_DIR "image-with-border-4.jpg" );
49 const char* MOTION_BLUR_ACTOR_IMAGE5( DEMO_IMAGE_DIR "image-with-border-1.jpg" );
51 const char* MOTION_BLUR_ACTOR_IMAGES[] = {
52 MOTION_BLUR_ACTOR_IMAGE1,
53 MOTION_BLUR_ACTOR_IMAGE2,
54 MOTION_BLUR_ACTOR_IMAGE3,
55 MOTION_BLUR_ACTOR_IMAGE4,
56 MOTION_BLUR_ACTOR_IMAGE5,
59 const int NUM_ACTOR_ANIMATIONS = 4;
60 const int NUM_CAMERA_ANIMATIONS = 2;
63 const char* BACKGROUND_IMAGE_PATH = DEMO_IMAGE_DIR "background-default.png";
65 const char* TOOLBAR_IMAGE( DEMO_IMAGE_DIR "top-bar.png" );
66 const char* LAYOUT_IMAGE( DEMO_IMAGE_DIR "icon-change.png" );
67 const char* LAYOUT_IMAGE_SELECTED( DEMO_IMAGE_DIR "icon-change-selected.png" );
68 const char* APPLICATION_TITLE( "Motion Blur" );
69 const char* EFFECTS_OFF_ICON( DEMO_IMAGE_DIR "icon-effects-off.png" );
70 const char* EFFECTS_OFF_ICON_SELECTED( DEMO_IMAGE_DIR "icon-effects-off-selected.png" );
71 const char* EFFECTS_ON_ICON( DEMO_IMAGE_DIR "icon-effects-on.png" );
72 const char* EFFECTS_ON_ICON_SELECTED( DEMO_IMAGE_DIR "icon-effects-on-selected.png" );
74 const float UI_MARGIN = 4.0f; ///< Screen Margin for placement of UI buttons
76 const Vector3 BUTTON_SIZE_CONSTRAINT( 0.24f, 0.09f, 1.0f );
77 const Vector3 BUTTON_TITLE_LABEL_TAP_HERE_SIZE_CONSTRAINT( 0.55f, 0.06f, 1.0f );
78 const Vector3 BUTTON_TITLE_LABEL_INSTRUCTIONS_POPUP_SIZE_CONSTRAINT( 1.0f, 1.0f, 1.0f );
80 // move this button down a bit so it is visible on target and not covered up by toolbar
81 const float BUTTON_TITLE_LABEL_Y_OFFSET = 0.05f;
83 const float ORIENTATION_DURATION = 0.5f; ///< Time to rotate to new orientation.
86 * @brief Set an image to image view, scaled-down to no more than the dimensions passed in.
88 * Uses SHRINK_TO_FIT which ensures the resulting image is
89 * smaller than or equal to the specified dimensions while preserving its original aspect ratio.
91 void SetImageFittedInBox( ImageView& imageView, Property::Map& shaderEffect, const char * const imagePath, int maxWidth, int maxHeight )
94 map[Visual::Property::TYPE] = Visual::IMAGE;
95 map[ImageVisual::Property::URL] = imagePath;
96 // Load the image nicely scaled-down to fit within the specified max width and height:
97 map[ImageVisual::Property::DESIRED_WIDTH] = maxWidth;
98 map[ImageVisual::Property::DESIRED_HEIGHT] = maxHeight;
99 map[ImageVisual::Property::FITTING_MODE] = FittingMode::SHRINK_TO_FIT;
100 map[ImageVisual::Property::SAMPLING_MODE] = SamplingMode::BOX_THEN_LINEAR;
101 map.Merge( shaderEffect );
103 imageView.SetProperty( ImageView::Property::IMAGE, map );
106 } // unnamed namespace
110 class MotionBlurExampleApp : public ConnectionTracker
115 * DeviceOrientation describes the four different
116 * orientations the device can be in based on accelerometer reports.
118 enum DeviceOrientation
122 PORTRAIT_INVERSE = 180,
123 LANDSCAPE_INVERSE = 270
128 * @param application class, stored as reference
130 MotionBlurExampleApp(Application &app)
132 mActorEffectsEnabled(false),
133 mCurrentActorAnimation(0),
135 mOrientation( PORTRAIT )
137 // Connect to the Application's Init signal
138 app.InitSignal().Connect(this, &MotionBlurExampleApp::OnInit);
141 ~MotionBlurExampleApp()
143 // Nothing to do here; everything gets deleted automatically
147 * This method gets called once the main loop of application is up and running
149 void OnInit(Application& app)
151 // The Init signal is received once (only) during the Application lifetime
153 Stage::GetCurrent().KeyEventSignal().Connect(this, &MotionBlurExampleApp::OnKeyEvent);
156 // Creates a default view with a default tool bar.
157 // The view is added to the stage.
158 mContentLayer = DemoHelper::CreateView( mApplication,
161 BACKGROUND_IMAGE_PATH,
165 // Ensure the content layer is a square so the touch area works in all orientations
166 Vector2 stageSize = Stage::GetCurrent().GetSize();
167 float size = std::max( stageSize.width, stageSize.height );
168 mContentLayer.SetSize( size, size );
170 //Add an effects icon on the right of the title
171 mActorEffectsButton = Toolkit::PushButton::New();
172 mActorEffectsButton.SetProperty( Toolkit::DevelButton::Property::UNSELECTED_BACKGROUND_VISUAL, EFFECTS_OFF_ICON );
173 mActorEffectsButton.SetProperty( Toolkit::DevelButton::Property::SELECTED_BACKGROUND_VISUAL, EFFECTS_OFF_ICON_SELECTED );
174 mActorEffectsButton.ClickedSignal().Connect( this, &MotionBlurExampleApp::OnEffectButtonClicked );
175 mToolBar.AddControl( mActorEffectsButton, DemoHelper::DEFAULT_VIEW_STYLE.mToolBarButtonPercentage, Toolkit::Alignment::HorizontalCenter, DemoHelper::DEFAULT_PLAY_PADDING );
177 // Creates a mode button.
178 // Create a effect toggle button. (right of toolbar)
179 Toolkit::PushButton layoutButton = Toolkit::PushButton::New();
180 layoutButton.SetProperty( Toolkit::DevelButton::Property::UNSELECTED_BACKGROUND_VISUAL, LAYOUT_IMAGE );
181 layoutButton.SetProperty( Toolkit::DevelButton::Property::SELECTED_BACKGROUND_VISUAL, LAYOUT_IMAGE_SELECTED );
182 layoutButton.ClickedSignal().Connect( this, &MotionBlurExampleApp::OnLayoutButtonClicked);
183 layoutButton.SetLeaveRequired( true );
184 mToolBar.AddControl( layoutButton, DemoHelper::DEFAULT_VIEW_STYLE.mToolBarButtonPercentage, Toolkit::Alignment::HorizontalRight, DemoHelper::DEFAULT_MODE_SWITCH_PADDING );
187 mTapGestureDetector = TapGestureDetector::New();
188 mTapGestureDetector.Attach( mContentLayer );
189 mTapGestureDetector.DetectedSignal().Connect( this, &MotionBlurExampleApp::OnTap );
191 Dali::Window winHandle = app.GetWindow();
192 winHandle.AddAvailableOrientation( Dali::Window::PORTRAIT );
193 winHandle.AddAvailableOrientation( Dali::Window::LANDSCAPE );
194 winHandle.AddAvailableOrientation( Dali::Window::PORTRAIT_INVERSE );
195 winHandle.AddAvailableOrientation( Dali::Window::LANDSCAPE_INVERSE );
196 winHandle.ResizedSignal().Connect( this, &MotionBlurExampleApp::OnWindowResized );
198 // set initial orientation
201 ///////////////////////////////////////////////////////
203 // Motion blurred actor
206 // Scale down actor to fit on very low resolution screens with space to interact:
207 mMotionBlurActorSize = Size( std::min( stageSize.x * 0.3f, MOTION_BLUR_ACTOR_WIDTH ), std::min( stageSize.y * 0.3f, MOTION_BLUR_ACTOR_HEIGHT ) );
208 mMotionBlurActorSize = Size( std::min( mMotionBlurActorSize.x, mMotionBlurActorSize.y ), std::min( mMotionBlurActorSize.x, mMotionBlurActorSize.y ) );
210 mMotionBlurEffect = CreateMotionBlurEffect();
211 mMotionBlurImageView = ImageView::New();
212 SetImageFittedInBox( mMotionBlurImageView, mMotionBlurEffect, MOTION_BLUR_ACTOR_IMAGE1, mMotionBlurActorSize.x, mMotionBlurActorSize.y );
213 mMotionBlurImageView.SetParentOrigin( ParentOrigin::CENTER );
214 mMotionBlurImageView.SetSize(mMotionBlurActorSize.x, mMotionBlurActorSize.y);
216 mContentLayer.Add( mMotionBlurImageView );
218 // Create shader used for doing motion blur
219 mMotionBlurEffect = CreateMotionBlurEffect();
221 // set actor shader to the blur one
222 Toolkit::SetMotionBlurProperties( mMotionBlurImageView, MOTION_BLUR_NUM_SAMPLES );
226 //////////////////////////////////////////////////////////////
228 // Device Orientation Support
232 void OnWindowResized( Window::WindowSize size )
234 Rotate( size.GetWidth() > size.GetHeight() ? LANDSCAPE : PORTRAIT );
237 void Rotate( DeviceOrientation orientation )
239 // Resize the root actor
240 const Vector2 targetSize = Stage::GetCurrent().GetSize();
242 if( mOrientation != orientation )
244 mOrientation = orientation;
246 // check if actor is on stage
247 if( mView.GetParent() )
249 // has parent so we expect it to be on stage, start animation
250 mRotateAnimation = Animation::New( ORIENTATION_DURATION );
251 mRotateAnimation.AnimateTo( Property( mView, Actor::Property::SIZE_WIDTH ), targetSize.width );
252 mRotateAnimation.AnimateTo( Property( mView, Actor::Property::SIZE_HEIGHT ), targetSize.height );
253 mRotateAnimation.Play();
257 mView.SetSize( targetSize );
262 // for first time just set size
263 mView.SetSize( targetSize );
268 //////////////////////////////////////////////////////////////
274 // move to point on screen that was tapped
275 void OnTap( Actor actor, const TapGesture& tapGesture )
278 float originOffsetX, originOffsetY;
280 // rotate offset (from top left origin to centre) into actor space
281 Vector2 stageSize = Dali::Stage::GetCurrent().GetSize();
282 actor.ScreenToLocal(originOffsetX, originOffsetY, stageSize.width * 0.5f, stageSize.height * 0.5f);
284 // get dest point in local actor space
285 destPos.x = tapGesture.localPoint.x - originOffsetX;
286 destPos.y = tapGesture.localPoint.y - originOffsetY;
289 float animDuration = 0.5f;
290 mActorTapMovementAnimation = Animation::New( animDuration );
291 if ( mMotionBlurImageView )
293 mActorTapMovementAnimation.AnimateTo( Property(mMotionBlurImageView, Actor::Property::POSITION), destPos, AlphaFunction::EASE_IN_OUT_SINE, TimePeriod(animDuration) );
295 mActorTapMovementAnimation.SetEndAction( Animation::Bake );
296 mActorTapMovementAnimation.Play();
299 // perform some spinning etc
300 if(mActorEffectsEnabled)
302 switch(mCurrentActorAnimation)
307 float animDuration = 1.0f;
308 mActorAnimation = Animation::New(animDuration);
309 mActorAnimation.AnimateBy( Property( mMotionBlurImageView, Actor::Property::ORIENTATION ), Quaternion( Radian( Degree(360.0f) ), Vector3::YAXIS ), AlphaFunction::EASE_IN_OUT );
310 mActorAnimation.SetEndAction( Animation::Bake );
311 mActorAnimation.Play();
318 float animDuration = 1.0f;
319 mActorAnimation = Animation::New(animDuration);
320 mActorAnimation.AnimateBy( Property( mMotionBlurImageView, Actor::Property::ORIENTATION ), Quaternion( Radian( Degree(360.0f) ), Vector3::ZAXIS ), AlphaFunction::EASE_IN_OUT );
321 mActorAnimation.SetEndAction( Animation::Bake );
322 mActorAnimation.Play();
326 // spin around y and z
329 float animDuration = 1.0f;
330 mActorAnimation = Animation::New(animDuration);
331 mActorAnimation.AnimateBy( Property( mMotionBlurImageView, Actor::Property::ORIENTATION ), Quaternion( Radian( Degree(360.0f) ), Vector3::YAXIS ), AlphaFunction::EASE_IN_OUT );
332 mActorAnimation.AnimateBy( Property( mMotionBlurImageView, Actor::Property::ORIENTATION ), Quaternion( Radian( Degree(360.0f) ), Vector3::ZAXIS ), AlphaFunction::EASE_IN_OUT );
333 mActorAnimation.SetEndAction( Animation::Bake );
334 mActorAnimation.Play();
341 float animDuration = 1.0f;
342 mActorAnimation = Animation::New(animDuration);
343 mActorAnimation.AnimateBy( Property( mMotionBlurImageView, Actor::Property::SCALE ), Vector3(2.0f, 2.0f, 2.0f), AlphaFunction::BOUNCE, TimePeriod( 0.0f, 1.0f ) );
344 mActorAnimation.SetEndAction( Animation::Bake );
345 mActorAnimation.Play();
353 mCurrentActorAnimation++;
354 if(NUM_ACTOR_ANIMATIONS == mCurrentActorAnimation)
356 mCurrentActorAnimation = 0;
361 void ToggleActorEffects()
363 if(!mActorEffectsEnabled)
365 mActorEffectsEnabled = true;
366 mActorEffectsButton.SetProperty( Toolkit::DevelButton::Property::UNSELECTED_BACKGROUND_VISUAL, EFFECTS_ON_ICON );
367 mActorEffectsButton.SetProperty( Toolkit::DevelButton::Property::SELECTED_BACKGROUND_VISUAL, EFFECTS_ON_ICON_SELECTED );
371 mActorEffectsEnabled = false;
372 mActorEffectsButton.SetProperty( Toolkit::DevelButton::Property::UNSELECTED_BACKGROUND_VISUAL, EFFECTS_OFF_ICON );
373 mActorEffectsButton.SetProperty( Toolkit::DevelButton::Property::SELECTED_BACKGROUND_VISUAL, EFFECTS_OFF_ICON_SELECTED );
377 //////////////////////////////////////////////////////////////
383 bool OnLayoutButtonClicked( Toolkit::Button button )
389 bool OnEffectButtonClicked( Toolkit::Button button )
391 ToggleActorEffects();
396 * Main key event handler
398 void OnKeyEvent(const KeyEvent& event)
400 if(event.state == KeyEvent::Down)
402 if( IsKey( event, Dali::DALI_KEY_ESCAPE) || IsKey( event, Dali::DALI_KEY_BACK) )
409 //////////////////////////////////////////////////////////////
419 if(MOTION_BLUR_NUM_ACTOR_IMAGES == mCurrentImage)
423 SetImageFittedInBox( mMotionBlurImageView, mMotionBlurEffect, MOTION_BLUR_ACTOR_IMAGES[mCurrentImage], mMotionBlurActorSize.x, mMotionBlurActorSize.y );
429 Application& mApplication; ///< Application instance
430 Toolkit::Control mView;
431 Toolkit::ToolBar mToolBar;
433 Layer mContentLayer; ///< Content layer (contains actor for this blur demo)
435 PushButton mActorEffectsButton; ///< The actor effects toggling Button.
438 Property::Map mMotionBlurEffect;
439 ImageView mMotionBlurImageView;
440 Size mMotionBlurActorSize;
442 // animate actor to position where user taps screen
443 Animation mActorTapMovementAnimation;
445 // show different animations to demonstrate blur effect working on an object only movement basis
446 bool mActorEffectsEnabled;
447 Animation mActorAnimation;
448 int mCurrentActorAnimation;
450 // offer a selection of images that user can cycle between
453 TapGestureDetector mTapGestureDetector;
455 DeviceOrientation mOrientation; ///< Current Device orientation
456 Animation mRotateAnimation; ///< Animation for rotating between landscape and portrait.
459 int DALI_EXPORT_API main(int argc, char **argv)
461 Application app = Application::New(&argc, &argv, DEMO_THEME_PATH);
462 MotionBlurExampleApp test(app);