animated-vector-images-example.cpp
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/*
* Copyright (c) 2019 Samsung Electronics Co., Ltd.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
#include <string>
#include "shared/view.h"
#include <dali/dali.h>
#include <dali-toolkit/dali-toolkit.h>
#include <dali-toolkit/devel-api/controls/control-devel.h>
#include <dali-toolkit/devel-api/visuals/animated-vector-image-visual-actions-devel.h>
#include <dali-toolkit/devel-api/visuals/animated-vector-image-visual-signals-devel.h>
#include <dali-toolkit/devel-api/visuals/image-visual-properties-devel.h>
using namespace Dali;
using namespace Dali::Toolkit;
namespace
{
const char* BACKGROUND_IMAGE( DEMO_IMAGE_DIR "background-gradient.jpg" );
const char* TOOLBAR_IMAGE( DEMO_IMAGE_DIR "top-bar.png" );
const char* APPLICATION_TITLE( "Animated Vector Images" );
const char* IMAGE_PATH[] = {
DEMO_IMAGE_DIR "insta_camera.json",
DEMO_IMAGE_DIR "you're_in!.json",
DEMO_IMAGE_DIR "jolly_walker.json"
};
const unsigned int NUMBER_OF_IMAGES = 3;
enum CellPlacement
{
TOP_BUTTON,
LOWER_BUTTON,
IMAGE,
NUMBER_OF_ROWS
};
unsigned int GetControlIndex( Control control )
{
std::string controlName = control.GetName();
unsigned int index = 0;
if ( controlName != "")
{
index = std::stoul( controlName );
}
return index;
}
} // namespace
// This example shows the usage of AnimatedVectorImageVisual.
// It doesn't work on Ubuntu because the visual uses the external library to render frames.
class AnimatedVectorImageViewController: public ConnectionTracker
{
public:
AnimatedVectorImageViewController( Application& application )
: mApplication( application )
{
// Connect to the Application's Init signal
mApplication.InitSignal().Connect( this, &AnimatedVectorImageViewController::Create );
}
void Create( Application& application )
{
// The Init signal is received once (only) during the Application lifetime
// Creates a default view with a default tool bar.
// The view is added to the stage.
mContentLayer = DemoHelper::CreateView( application,
mView,
mToolBar,
BACKGROUND_IMAGE,
TOOLBAR_IMAGE,
APPLICATION_TITLE );
// Create a table view to show a pair of buttons above each image.
mTable = TableView::New( CellPlacement::NUMBER_OF_ROWS, NUMBER_OF_IMAGES );
mTable.SetAnchorPoint( AnchorPoint::CENTER );
mTable.SetParentOrigin( ParentOrigin::CENTER );
mTable.SetResizePolicy( ResizePolicy::SIZE_RELATIVE_TO_PARENT, Dimension::ALL_DIMENSIONS );
Vector3 offset( 0.9f, 0.70f, 0.0f );
mTable.SetSizeModeFactor( offset );
mTable.SetFitHeight(CellPlacement::TOP_BUTTON);
mTable.SetFitHeight(CellPlacement::LOWER_BUTTON);
mContentLayer.Add( mTable );
for( unsigned int x = 0; x < NUMBER_OF_IMAGES; x++ )
{
mPlayButtons[x] = PushButton::New();
mPlayButtons[x].SetProperty( Button::Property::LABEL, "Play" );
mPlayButtons[x].SetParentOrigin( ParentOrigin::TOP_CENTER );
mPlayButtons[x].SetAnchorPoint( AnchorPoint::TOP_CENTER );
mPlayButtons[x].ClickedSignal().Connect( this, &AnimatedVectorImageViewController::OnPlayButtonClicked );
mPlayButtons[x].SetResizePolicy( ResizePolicy::FILL_TO_PARENT, Dimension::WIDTH );
mPlayButtons[x].SetResizePolicy( ResizePolicy::USE_NATURAL_SIZE, Dimension::HEIGHT );
std::string s = std::to_string(x);
mPlayButtons[x].SetName( s );
mTable.AddChild( mPlayButtons[x], TableView::CellPosition( CellPlacement::TOP_BUTTON, x ) );
mStopButtons[x] = PushButton::New();
mStopButtons[x].SetProperty( Button::Property::LABEL, "Stop" );
mStopButtons[x].SetParentOrigin( ParentOrigin::BOTTOM_CENTER );
mStopButtons[x].SetAnchorPoint( AnchorPoint::BOTTOM_CENTER );
mStopButtons[x].ClickedSignal().Connect( this, &AnimatedVectorImageViewController::OnStopButtonClicked );
mStopButtons[x].SetResizePolicy( ResizePolicy::FILL_TO_PARENT, Dimension::WIDTH );
mStopButtons[x].SetResizePolicy( ResizePolicy::USE_NATURAL_SIZE, Dimension::HEIGHT );
mStopButtons[x].SetName( s );
mTable.AddChild( mStopButtons[x], TableView::CellPosition( CellPlacement::LOWER_BUTTON, x ) );
mImageViews[x] = ImageView::New( );
Property::Map imagePropertyMap;
imagePropertyMap.Insert( Visual::Property::TYPE, Visual::IMAGE );
imagePropertyMap.Insert( ImageVisual::Property::URL, IMAGE_PATH[ x ] );
imagePropertyMap.Insert( DevelImageVisual::Property::LOOP_COUNT, 3 );
mImageViews[x].SetProperty( ImageView::Property::IMAGE, imagePropertyMap );
mImageViews[x].SetParentOrigin( ParentOrigin::CENTER );
mImageViews[x].SetAnchorPoint( AnchorPoint::CENTER );
mImageViews[x].SetResizePolicy( ResizePolicy::FILL_TO_PARENT, Dimension::ALL_DIMENSIONS );
mImageViews[x].SetName( s );
DevelControl::VisualEventSignal( mImageViews[x] ).Connect( this, &AnimatedVectorImageViewController::OnVisualEvent );
mTable.AddChild( mImageViews[x], TableView::CellPosition( CellPlacement::IMAGE, x ) );
}
Stage::GetCurrent().KeyEventSignal().Connect(this, &AnimatedVectorImageViewController::OnKeyEvent);
}
private:
bool OnPlayButtonClicked( Button button )
{
unsigned int controlIndex = GetControlIndex( button );
ImageView imageView = mImageViews[controlIndex];
Property::Map map = imageView.GetProperty< Property::Map >( ImageView::Property::IMAGE );
Property::Value* value = map.Find( DevelImageVisual::Property::PLAY_STATE );
if( value )
{
if( value->Get< int >() != static_cast< int >( DevelImageVisual::PlayState::PLAYING ) )
{
mPlayButtons[controlIndex].SetProperty( Button::Property::LABEL, "Pause" );
DevelControl::DoAction( imageView, ImageView::Property::IMAGE, DevelAnimatedVectorImageVisual::Action::PLAY, Property::Value() );
}
else
{
mPlayButtons[controlIndex].SetProperty( Button::Property::LABEL, "Play" );
DevelControl::DoAction( imageView, ImageView::Property::IMAGE, DevelAnimatedVectorImageVisual::Action::PAUSE, Property::Value() );
}
}
return true;
}
bool OnStopButtonClicked( Button button )
{
unsigned int controlIndex = GetControlIndex( button );
ImageView imageView = mImageViews[controlIndex];
DevelControl::DoAction( imageView, ImageView::Property::IMAGE, DevelAnimatedVectorImageVisual::Action::STOP, Property::Value() );
return true;
}
void OnVisualEvent( Control control, Dali::Property::Index visualIndex, Dali::Property::Index signalId )
{
unsigned int controlIndex = GetControlIndex( control );
if( visualIndex == ImageView::Property::IMAGE && signalId == DevelAnimatedVectorImageVisual::Signal::ANIMATION_FINISHED )
{
mPlayButtons[controlIndex].SetProperty( Button::Property::LABEL, "Play" );
}
}
/**
* Main key event handler
*/
void OnKeyEvent( const KeyEvent& event )
{
if( event.state == KeyEvent::Down )
{
if( IsKey( event, DALI_KEY_ESCAPE) || IsKey( event, DALI_KEY_BACK ) )
{
mApplication.Quit();
}
}
}
private:
Application& mApplication;
Control mView; ///< The View instance.
ToolBar mToolBar; ///< The View's Toolbar.
Layer mContentLayer; ///< Content layer
TableView mTable;
ImageView mImageViews[ NUMBER_OF_IMAGES ];
PushButton mPlayButtons[ NUMBER_OF_IMAGES ];
PushButton mStopButtons[ NUMBER_OF_IMAGES ];
};
int DALI_EXPORT_API main( int argc, char **argv )
{
Application application = Application::New( &argc, &argv, DEMO_THEME_PATH );
AnimatedVectorImageViewController test( application );
application.MainLoop();
return 0;
}