super-blur-view-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/super-blur-view/super-blur-view.h>
#include <dali/dali.h>
using namespace Dali;
using Dali::Toolkit::Button;
using Dali::Toolkit::PushButton;
using Dali::Toolkit::SuperBlurView;
namespace
{
const char* const BACKGROUND_IMAGE(DEMO_IMAGE_DIR "background-4.jpg");
const unsigned int DEFAULT_BLUR_LEVEL(5u); ///< The default blur level when creating SuperBlurView from the type registry
} // namespace
/**
* This example shows a background image which is "super blurred" while the push-button control is pressed.
*/
class SuperBlurViewExample : public ConnectionTracker
{
public:
SuperBlurViewExample(Application& application)
: mApplication(application)
{
mApplication.InitSignal().Connect(this, &SuperBlurViewExample::Create);
}
~SuperBlurViewExample() = default;
private:
void Create(Application& application)
{
Window window = application.GetWindow();
window.KeyEventSignal().Connect(this, &SuperBlurViewExample::OnKeyEvent);
mSuperBlurView = SuperBlurView::New(DEFAULT_BLUR_LEVEL);
mSuperBlurView.SetProperty(Actor::Property::PARENT_ORIGIN, ParentOrigin::CENTER);
mSuperBlurView.SetProperty(Actor::Property::ANCHOR_POINT, AnchorPoint::CENTER);
mSuperBlurView.SetProperty(Actor::Property::SIZE, Vector2(800, 1280));
mSuperBlurView.SetProperty(SuperBlurView::Property::IMAGE_URL, BACKGROUND_IMAGE);
window.Add(mSuperBlurView);
mBlurAnimation = Animation::New(1.0f);
mBlurAnimation.AnimateTo(Property(mSuperBlurView, mSuperBlurView.GetBlurStrengthPropertyIndex()), 1.0f);
mClearAnimation = Animation::New(1.0f);
mClearAnimation.AnimateTo(Property(mSuperBlurView, mSuperBlurView.GetBlurStrengthPropertyIndex()), 0.0f);
mPushButton = PushButton::New();
mPushButton.SetProperty(Actor::Property::PARENT_ORIGIN, ParentOrigin::BOTTOM_CENTER);
mPushButton.SetProperty(Actor::Property::ANCHOR_POINT, AnchorPoint::BOTTOM_CENTER);
mPushButton.SetProperty(Button::Property::LABEL, "Blur");
mPushButton.PressedSignal().Connect(this, &SuperBlurViewExample::OnButtonPressed);
mPushButton.ReleasedSignal().Connect(this, &SuperBlurViewExample::OnButtonReleased);
window.Add(mPushButton);
}
bool OnButtonPressed(Button button)
{
mBlurAnimation.Play();
return true;
}
bool OnButtonReleased(Button button)
{
mClearAnimation.Play();
return true;
}
void OnKeyEvent(const KeyEvent& event)
{
if(event.GetState() == KeyEvent::DOWN)
{
if(IsKey(event, Dali::DALI_KEY_ESCAPE) || IsKey(event, Dali::DALI_KEY_BACK))
{
mApplication.Quit();
}
}
}
private:
Application& mApplication;
SuperBlurView mSuperBlurView;
PushButton mPushButton;
Animation mBlurAnimation;
Animation mClearAnimation;
};
int DALI_EXPORT_API main(int argc, char** argv)
{
Application application = Application::New(&argc, &argv);
SuperBlurViewExample test(application);
application.MainLoop();
return 0;
}