// signal handler, called when the pan gesture is detected
void DissolveEffectApp::OnPanGesture( Actor actor, const PanGesture& gesture )
{
// does not response when the animation has not finished
if( mIsTransiting || mSlideshow )
{
return;
}
if( gesture.state == Gesture::Continuing )
{
if( gesture.displacement.x < 0)
{
mIndex = (mIndex + 1)%NUM_IMAGES;
}
else
{
mIndex = (mIndex + NUM_IMAGES -1)%NUM_IMAGES;
}
mNextImage = CreateStageFillingImageView( IMAGES[ mIndex ] );
mNextImage.SetParentOrigin( ParentOrigin::CENTER );
mNextImage.SetResizePolicy( ResizePolicy::FILL_TO_PARENT, Dimension::ALL_DIMENSIONS );
mNextImage.SetSizeScalePolicy( SizeScalePolicy::FIT_WITH_ASPECT_RATIO );
mNextImage.SetZ(INITIAL_DEPTH);
mParent.Add( mNextImage );
Vector2 size = Vector2( mCurrentImage.GetCurrentSize() );
StartTransition( gesture.position / size, gesture.displacement * Vector2(1.0, size.x/size.y));
}
}
void DissolveEffectApp::OnInit( Application& application )
{
Stage::GetCurrent().KeyEventSignal().Connect(this, &DissolveEffectApp::OnKeyEvent);
// Creates a default view with a default tool bar, the view is added to the stage.
mContent = DemoHelper::CreateView( application, mView,mToolBar, "", TOOLBAR_IMAGE, "" );
// Add an effect-changing button on the right of the tool bar.
mEffectChangeButton = Toolkit::PushButton::New();
mEffectChangeButton.SetProperty( Toolkit::Button::Property::UNSELECTED_STATE_IMAGE, EFFECT_HIGHP_IMAGE );
mEffectChangeButton.SetProperty( Toolkit::Button::Property::SELECTED_STATE_IMAGE, EFFECT_HIGHP_IMAGE_SELECTED );
mEffectChangeButton.ClickedSignal().Connect( this, &DissolveEffectApp::OnEffectButtonClicked );
mToolBar.AddControl( mEffectChangeButton, DemoHelper::DEFAULT_VIEW_STYLE.mToolBarButtonPercentage, Toolkit::Alignment::HorizontalRight, DemoHelper::DEFAULT_MODE_SWITCH_PADDING );
// Add title to the tool bar.
mTitleActor = DemoHelper::CreateToolBarLabel( APPLICATION_TITLE_HIGHP );
mToolBar.AddControl( mTitleActor, DemoHelper::DEFAULT_VIEW_STYLE.mToolBarTitlePercentage, Toolkit::Alignment::HorizontalCenter );
// Add an slide-show button on the right of the title
mPlayStopButton = Toolkit::PushButton::New();
mPlayStopButton.SetProperty( Toolkit::Button::Property::UNSELECTED_STATE_IMAGE, PLAY_ICON );
mPlayStopButton.SetProperty( Toolkit::Button::Property::SELECTED_STATE_IMAGE, PLAY_ICON_SELECTED );
mPlayStopButton.ClickedSignal().Connect( this, &DissolveEffectApp::OnSildeshowButtonClicked );
mToolBar.AddControl( mPlayStopButton, DemoHelper::DEFAULT_VIEW_STYLE.mToolBarButtonPercentage, Toolkit::Alignment::HorizontalCenter, DemoHelper::DEFAULT_PLAY_PADDING );
// use pan gesture to detect the cursor or finger movement
mPanGestureDetector = PanGestureDetector::New();
mPanGestureDetector.DetectedSignal().Connect( this, &DissolveEffectApp::OnPanGesture );
mViewTimer = Timer::New( VIEWINGTIME );
mViewTimer.TickSignal().Connect( this, &DissolveEffectApp::OnTimerTick );
mTimerReady = true;
// Set size to stage size to avoid seeing a black border on transition
mParent = Actor::New();
mParent.SetSize( Stage::GetCurrent().GetSize() );
mParent.SetParentOrigin( ParentOrigin::CENTER );
mContent.Add( mParent );
// show the first image
mCurrentImage = CreateStageFillingImageView( IMAGES[mIndex] );
mCurrentImage.SetParentOrigin( ParentOrigin::CENTER );
mCurrentImage.SetResizePolicy( ResizePolicy::FILL_TO_PARENT, Dimension::ALL_DIMENSIONS );
mCurrentImage.SetSizeScalePolicy( SizeScalePolicy::FIT_WITH_ASPECT_RATIO );
mParent.Add( mCurrentImage );
mPanGestureDetector.Attach( mCurrentImage );
mDissolveEffect = Dali::Toolkit::CreateDissolveEffect( mUseHighPrecision );
Property::Map emptyShaderMap;
mEmptyEffect.Insert( "shader", emptyShaderMap );
}
bool DissolveEffectApp::OnTimerTick()
{
mTimerReady = true;
if(mSlideshow)
{
mIndex = (mIndex + 1)%NUM_IMAGES;
mNextImage = CreateStageFillingImageView( IMAGES[ mIndex ] );
mNextImage.SetParentOrigin( ParentOrigin::CENTER );
mNextImage.SetResizePolicy( ResizePolicy::FILL_TO_PARENT, Dimension::ALL_DIMENSIONS );
mNextImage.SetSizeScalePolicy( SizeScalePolicy::FIT_WITH_ASPECT_RATIO );
mNextImage.SetZ(INITIAL_DEPTH);
mParent.Add( mNextImage );
switch( mCentralLineIndex%4 )
{
case 0:
{
StartTransition(Vector2(1.0f,0.5f), Vector2(-1.0f, 0.0f));
break;
}
case 1:
{
StartTransition(Vector2(0.5f,0.0f), Vector2(0.0f, 1.0f));
break;
}
case 2:
{
StartTransition(Vector2(0.0f,0.5f), Vector2(1.0f, 0.0f));
break;
}
default:
{
StartTransition(Vector2(0.5f,1.0f), Vector2(0.0f, -1.0f));
break;
}
}
mCentralLineIndex++;
}
return false; //return false to stop the timer
}