arc-visual-example.cpp
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/*
* Copyright (c) 2021 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/visual-factory/transition-data.h>
#include <dali-toolkit/devel-api/visuals/visual-actions-devel.h>
#include <dali-toolkit/devel-api/visuals/arc-visual-properties-devel.h>
#include <dali-toolkit/devel-api/visuals/visual-properties-devel.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}};
} // 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 window
Window window = application.GetWindow();
window.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);
window.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.TouchedSignal().Connect(this, &ArcVisualExample::OnButtonTouch);
window.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.TouchedSignal().Connect(this, &ArcVisualExample::OnButtonTouch);
window.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.TouchedSignal().Connect(this, &ArcVisualExample::OnButtonTouch);
window.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.TouchedSignal().Connect(this, &ArcVisualExample::OnButtonTouch);
window.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.TouchedSignal().Connect(this, &ArcVisualExample::OnButtonTouch);
window.Add(mMinusTextLabel);
// Respond to a click anywhere on the window
window.GetRootLayer().TouchedSignal().Connect(this, &ArcVisualExample::OnTouch);
// Respond to key events
window.KeyEventSignal().Connect(this, &ArcVisualExample::OnKeyEvent);
}
bool OnButtonTouch(Actor actor, const TouchEvent& 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, DevelVisual::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, DevelVisual::Action::UPDATE_PROPERTY, Property::Map().Add(mSelectedPoperty, value->Get<float>() - 5.0f));
}
}
}
return true;
}
bool OnTouch(Actor actor, const TouchEvent& touch)
{
if(touch.GetState(0) == PointState::UP)
{
DevelControl::DoAction(mControl,
Control::Property::BACKGROUND,
DevelVisual::Action::UPDATE_PROPERTY,
Property::Map()
.Add(DevelArcVisual::Property::START_ANGLE, START_ANGLE_INITIAL_VALUE)
.Add(DevelArcVisual::Property::SWEEP_ANGLE, SWEEP_ANGLE_INITIAL_VALUE));
Animation animation = Animation::New(ANIMATION_DURATION);
animation.AnimateTo(DevelControl::GetVisualProperty(mControl, Control::Property::BACKGROUND, DevelArcVisual::Property::START_ANGLE), START_ANGLE_TARGET_VALUE);
animation.AnimateTo(DevelControl::GetVisualProperty(mControl, Control::Property::BACKGROUND, DevelArcVisual::Property::SWEEP_ANGLE), SWEEP_ANGLE_TARGET_VALUE);
animation.Play();
}
return true;
}
void OnKeyEvent(const KeyEvent& event)
{
if(event.GetState() == 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;
}