arc-visual-example.cpp
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/*
* Copyright (c) 2020 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 <dali-toolkit/dali-toolkit.h>
#include <dali-toolkit/devel-api/controls/control-devel.h>
#include <dali-toolkit/devel-api/visuals/visual-properties-devel.h>
#include <dali-toolkit/devel-api/visuals/arc-visual-properties-devel.h>
#include <dali-toolkit/devel-api/visuals/arc-visual-actions-devel.h>
#include <dali-toolkit/devel-api/visuals/visual-properties-devel.h>
#include <dali-toolkit/devel-api/visual-factory/transition-data.h>
using namespace Dali;
using namespace Dali::Toolkit;
namespace
{
const float START_ANGLE_INITIAL_VALUE( 0.0f );
const float START_ANGLE_TARGET_VALUE( 360.0f );
const float SWEEP_ANGLE_INITIAL_VALUE( 90.0f );
const float SWEEP_ANGLE_TARGET_VALUE( 360.0f );
const float ANIMATION_DURATION( 3.0f );
const Property::Value BACKGROUND
{
{ Visual::Property::TYPE, DevelVisual::ARC },
{ Visual::Property::MIX_COLOR, Color::RED },
{ DevelArcVisual::Property::START_ANGLE, 0.0f },
{ DevelArcVisual::Property::SWEEP_ANGLE, 90.0f },
{ DevelArcVisual::Property::CAP, DevelArcVisual::Cap::ROUND },
{ DevelArcVisual::Property::THICKNESS, 20.0f }
};
const Property::Value TEXT_BACKGROUND
{
{ Visual::Property::TYPE, Visual::COLOR },
{ ColorVisual::Property::MIX_COLOR, Vector4( 0.8f, 0.8f, 0.8f, 1.0f ) },
{ DevelVisual::Property::CORNER_RADIUS, 0.5f },
{ DevelVisual::Property::CORNER_RADIUS_POLICY, Toolkit::Visual::Transform::Policy::RELATIVE }
};
const Property::Value TRANSITION_ANIMATOR
{
{ "timePeriod", Property::Map().Add( "duration", ANIMATION_DURATION ) }
};
const Property::Value TRANSITION_START_ANGLE
{
{ "target", "background" },
{ "property", "startAngle" },
{ "initialValue", START_ANGLE_INITIAL_VALUE },
{ "targetValue", START_ANGLE_TARGET_VALUE },
{ "animator", TRANSITION_ANIMATOR }
};
const Property::Value TRANSITION_SWEEP_ANGLE
{
{ "target", "background" },
{ "property", "sweepAngle" },
{ "initialValue", SWEEP_ANGLE_INITIAL_VALUE },
{ "targetValue", SWEEP_ANGLE_TARGET_VALUE },
{ "animator", TRANSITION_ANIMATOR }
};
} // namespace
// This example shows the properties of the arc visual - thickness, startAngle and sweepAngle and animates them.
//
class ArcVisualExample : public ConnectionTracker
{
public:
ArcVisualExample( Application& application )
: mApplication( application ),
mSelectedPoperty( DevelArcVisual::Property::START_ANGLE )
{
// Connect to the Application's Init signal
mApplication.InitSignal().Connect( this, &ArcVisualExample::Create );
}
~ArcVisualExample() = default;
private:
// The Init signal is received once (only) during the Application lifetime
void Create( Application& application )
{
// Get a handle to the stage
Stage stage = Stage::GetCurrent();
stage.SetBackgroundColor( Color::WHITE );
mControl = Control::New();
mControl.SetProperty( Actor::Property::PARENT_ORIGIN, ParentOrigin::CENTER );
mControl.SetProperty( Actor::Property::SIZE, Vector2( 300.0f, 300.0f ) );
mControl.SetProperty( Control::Property::BACKGROUND, BACKGROUND );
stage.Add( mControl );
mStartAngleLabel = TextLabel::New( "1" );
mStartAngleLabel.SetProperty( Actor::Property::PARENT_ORIGIN, ParentOrigin::CENTER );
mStartAngleLabel.SetProperty( Actor::Property::ANCHOR_POINT, AnchorPoint::BOTTOM_RIGHT );
mStartAngleLabel.SetProperty( Actor::Property::POSITION, Vector2( -30.0f, -10.0f ) );
mStartAngleLabel.SetProperty( Control::Property::BACKGROUND, TEXT_BACKGROUND );
mStartAngleLabel.SetProperty( Actor::Property::WIDTH_RESIZE_POLICY, ResizePolicy::USE_NATURAL_SIZE );
mStartAngleLabel.SetProperty( Actor::Property::HEIGHT_RESIZE_POLICY, ResizePolicy::USE_NATURAL_SIZE );
mStartAngleLabel.SetProperty( Control::Property::PADDING, Extents( 20.0f, 20.0f, 10.0f, 10.0f ) );
mStartAngleLabel.TouchSignal().Connect( this, &ArcVisualExample::OnButtonTouch );
stage.Add( mStartAngleLabel );
mSweepAngleLabel = TextLabel::New( "2" );
mSweepAngleLabel.SetProperty( Actor::Property::PARENT_ORIGIN, ParentOrigin::CENTER );
mSweepAngleLabel.SetProperty( Actor::Property::ANCHOR_POINT, AnchorPoint::BOTTOM_CENTER );
mSweepAngleLabel.SetProperty( Actor::Property::POSITION, Vector2( 0.0f, -10.0f ) );
mSweepAngleLabel.SetProperty( Control::Property::BACKGROUND, TEXT_BACKGROUND );
mSweepAngleLabel.SetProperty( Actor::Property::WIDTH_RESIZE_POLICY, ResizePolicy::USE_NATURAL_SIZE );
mSweepAngleLabel.SetProperty( Actor::Property::HEIGHT_RESIZE_POLICY, ResizePolicy::USE_NATURAL_SIZE );
mSweepAngleLabel.SetProperty( Control::Property::PADDING, Extents( 20.0f, 20.0f, 10.0f, 10.0f ) );
mSweepAngleLabel.TouchSignal().Connect( this, &ArcVisualExample::OnButtonTouch );
stage.Add( mSweepAngleLabel );
mThicknessLabel = TextLabel::New( "3" );
mThicknessLabel.SetProperty( Actor::Property::PARENT_ORIGIN, ParentOrigin::CENTER );
mThicknessLabel.SetProperty( Actor::Property::ANCHOR_POINT, AnchorPoint::BOTTOM_LEFT );
mThicknessLabel.SetProperty( Actor::Property::POSITION, Vector2( 30.0f, -10.0f ) );
mThicknessLabel.SetProperty( Control::Property::BACKGROUND, TEXT_BACKGROUND );
mThicknessLabel.SetProperty( Actor::Property::WIDTH_RESIZE_POLICY, ResizePolicy::USE_NATURAL_SIZE );
mThicknessLabel.SetProperty( Actor::Property::HEIGHT_RESIZE_POLICY, ResizePolicy::USE_NATURAL_SIZE );
mThicknessLabel.SetProperty( Control::Property::PADDING, Extents( 20.0f, 20.0f, 10.0f, 10.0f ) );
mThicknessLabel.TouchSignal().Connect( this, &ArcVisualExample::OnButtonTouch );
stage.Add( mThicknessLabel );
mPlusTextLabel = TextLabel::New( "+" );
mPlusTextLabel.SetProperty( Actor::Property::PARENT_ORIGIN, ParentOrigin::CENTER );
mPlusTextLabel.SetProperty( Actor::Property::ANCHOR_POINT, AnchorPoint::TOP_LEFT );
mPlusTextLabel.SetProperty( Actor::Property::POSITION, Vector2( 20.0f, 10.0f ) );
mPlusTextLabel.SetProperty( Control::Property::BACKGROUND, TEXT_BACKGROUND );
mPlusTextLabel.SetProperty( Actor::Property::WIDTH_RESIZE_POLICY, ResizePolicy::USE_NATURAL_SIZE );
mPlusTextLabel.SetProperty( Actor::Property::HEIGHT_RESIZE_POLICY, ResizePolicy::USE_NATURAL_SIZE );
mPlusTextLabel.SetProperty( Control::Property::PADDING, Extents( 20.0f, 20.0f, 10.0f, 10.0f ) );
mPlusTextLabel.TouchSignal().Connect( this, &ArcVisualExample::OnButtonTouch );
stage.Add( mPlusTextLabel );
mMinusTextLabel = TextLabel::New( "-" );
mMinusTextLabel.SetProperty( Actor::Property::PARENT_ORIGIN, ParentOrigin::CENTER );
mMinusTextLabel.SetProperty( Actor::Property::ANCHOR_POINT, AnchorPoint::TOP_RIGHT );
mMinusTextLabel.SetProperty( Actor::Property::POSITION, Vector2( -20.0f, 10.0f ) );
mMinusTextLabel.SetProperty( Control::Property::BACKGROUND, TEXT_BACKGROUND );
mMinusTextLabel.SetProperty( Actor::Property::WIDTH_RESIZE_POLICY, ResizePolicy::USE_NATURAL_SIZE );
mMinusTextLabel.SetProperty( Actor::Property::HEIGHT_RESIZE_POLICY, ResizePolicy::USE_NATURAL_SIZE );
mMinusTextLabel.SetProperty( Control::Property::PADDING, Extents( 25.0f, 25.0f, 10.0f, 10.0f ) );
mMinusTextLabel.TouchSignal().Connect( this, &ArcVisualExample::OnButtonTouch );
stage.Add( mMinusTextLabel );
// Respond to a click anywhere on the stage
stage.GetRootLayer().TouchSignal().Connect( this, &ArcVisualExample::OnTouch );
// Respond to key events
stage.KeyEventSignal().Connect( this, &ArcVisualExample::OnKeyEvent );
}
bool OnButtonTouch( Actor actor, const TouchData& touch )
{
if( touch.GetState( 0 ) == PointState::UP )
{
Control control = Control::DownCast( actor );
if( control == mStartAngleLabel )
{
mSelectedPoperty = DevelArcVisual::Property::START_ANGLE;
}
else if( control == mSweepAngleLabel )
{
mSelectedPoperty = DevelArcVisual::Property::SWEEP_ANGLE;
}
else if( control == mThicknessLabel )
{
mSelectedPoperty = DevelArcVisual::Property::THICKNESS;
}
else if( control == mPlusTextLabel )
{
Property::Map map = mControl.GetProperty< Property::Map >( Control::Property::BACKGROUND );
Property::Value* value = map.Find( mSelectedPoperty );
if( value )
{
DevelControl::DoAction( mControl, Control::Property::BACKGROUND, DevelArcVisual::Action::UPDATE_PROPERTY,
Property::Map().Add( mSelectedPoperty, value->Get< float >() + 5.0f ) );
}
}
else
{
Property::Map map = mControl.GetProperty< Property::Map >( Control::Property::BACKGROUND );
Property::Value* value = map.Find( mSelectedPoperty );
if( value )
{
DevelControl::DoAction( mControl, Control::Property::BACKGROUND, DevelArcVisual::Action::UPDATE_PROPERTY,
Property::Map().Add( mSelectedPoperty, value->Get< float >() - 5.0f ) );
}
}
}
return true;
}
bool OnTouch( Actor actor, const TouchData& touch )
{
if( touch.GetState( 0 ) == PointState::UP )
{
Property::Array array;
array.PushBack( TRANSITION_START_ANGLE );
array.PushBack( TRANSITION_SWEEP_ANGLE );
TransitionData transitionData = TransitionData::New( array );
Animation animation = DevelControl::CreateTransition( Toolkit::Internal::GetImplementation( mControl ), transitionData );
animation.Play();
}
return true;
}
void OnKeyEvent( const KeyEvent& event )
{
if( event.state == KeyEvent::Up )
{
if( IsKey( event, DALI_KEY_ESCAPE) || IsKey( event, DALI_KEY_BACK ) )
{
mApplication.Quit();
}
}
}
private:
Application& mApplication;
Control mControl;
TextLabel mStartAngleLabel;
TextLabel mSweepAngleLabel;
TextLabel mThicknessLabel;
TextLabel mPlusTextLabel;
TextLabel mMinusTextLabel;
Property::Index mSelectedPoperty;
};
int DALI_EXPORT_API main( int argc, char **argv )
{
Application application = Application::New( &argc, &argv );
ArcVisualExample test( application );
application.MainLoop();
return 0;
}