animated-vector-images-example.cpp
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/*
* Copyright (c) 2022 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/controls/table-view/table-view.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>
#include <dali/dali.h>
#include <dali/devel-api/adaptor-framework/vector-animation-renderer.h>
#include <string>
#include "shared/view.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 "done.json",
DEMO_IMAGE_DIR "insta_camera.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.GetProperty<std::string>(Dali::Actor::Property::NAME);
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 window.
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.SetProperty(Actor::Property::ANCHOR_POINT, AnchorPoint::CENTER);
mTable.SetProperty(Actor::Property::PARENT_ORIGIN, ParentOrigin::CENTER);
mTable.SetResizePolicy(ResizePolicy::SIZE_RELATIVE_TO_PARENT, Dimension::ALL_DIMENSIONS);
Vector3 offset(0.9f, 0.70f, 0.0f);
mTable.SetProperty(Actor::Property::SIZE_MODE_FACTOR, 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].SetProperty(Actor::Property::PARENT_ORIGIN, ParentOrigin::TOP_CENTER);
mPlayButtons[x].SetProperty(Actor::Property::ANCHOR_POINT, 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].SetProperty(Dali::Actor::Property::NAME, s);
mTable.AddChild(mPlayButtons[x], TableView::CellPosition(CellPlacement::TOP_BUTTON, x));
mStopButtons[x] = PushButton::New();
mStopButtons[x].SetProperty(Button::Property::LABEL, "Stop");
mStopButtons[x].SetProperty(Actor::Property::PARENT_ORIGIN, ParentOrigin::BOTTOM_CENTER);
mStopButtons[x].SetProperty(Actor::Property::ANCHOR_POINT, 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].SetProperty(Dali::Actor::Property::NAME, 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].SetProperty(Actor::Property::PARENT_ORIGIN, ParentOrigin::CENTER);
mImageViews[x].SetProperty(Actor::Property::ANCHOR_POINT, AnchorPoint::CENTER);
mImageViews[x].SetResizePolicy(ResizePolicy::FILL_TO_PARENT, Dimension::ALL_DIMENSIONS);
mImageViews[x].SetProperty(Dali::Actor::Property::NAME, s);
DevelControl::VisualEventSignal(mImageViews[x]).Connect(this, &AnimatedVectorImageViewController::OnVisualEvent);
mTable.AddChild(mImageViews[x], TableView::CellPosition(CellPlacement::IMAGE, x));
}
DevelAnimatedVectorImageVisual::DynamicPropertyInfo info;
info.id = 1;
info.keyPath = "Shape Layer 1.Ellipse 1.Fill 1";
info.property = static_cast<int>(VectorAnimationRenderer::VectorProperty::FILL_COLOR);
info.callback = MakeCallback(this, &AnimatedVectorImageViewController::FillColorCallback);
DevelControl::DoActionExtension(mImageViews[0], ImageView::Property::IMAGE, DevelAnimatedVectorImageVisual::Action::SET_DYNAMIC_PROPERTY, Any(info));
info.id = 2;
info.keyPath = "**";
info.property = static_cast<int>(VectorAnimationRenderer::VectorProperty::STROKE_COLOR);
info.callback = MakeCallback(this, &AnimatedVectorImageViewController::StrokeColorCallback);
DevelControl::DoActionExtension(mImageViews[0], ImageView::Property::IMAGE, DevelAnimatedVectorImageVisual::Action::SET_DYNAMIC_PROPERTY, Any(info));
info.id = 3;
info.keyPath = "**";
info.property = static_cast<int>(VectorAnimationRenderer::VectorProperty::STROKE_WIDTH);
info.callback = MakeCallback(this, &AnimatedVectorImageViewController::StrokeWidthCallback);
DevelControl::DoActionExtension(mImageViews[0], ImageView::Property::IMAGE, DevelAnimatedVectorImageVisual::Action::SET_DYNAMIC_PROPERTY, Any(info));
info.id = 4;
info.keyPath = "Shape Layer 2.Shape 1";
info.property = static_cast<int>(VectorAnimationRenderer::VectorProperty::TRANSFORM_ROTATION);
info.callback = MakeCallback(this, &AnimatedVectorImageViewController::TransformRotationCallback);
DevelControl::DoActionExtension(mImageViews[0], ImageView::Property::IMAGE, DevelAnimatedVectorImageVisual::Action::SET_DYNAMIC_PROPERTY, Any(info));
application.GetWindow().KeyEventSignal().Connect(this, &AnimatedVectorImageViewController::OnKeyEvent);
}
private:
Property::Value FillColorCallback(int32_t id, VectorAnimationRenderer::VectorProperty property, uint32_t frameNumber)
{
if(frameNumber < 60)
{
return Vector3(0, 0, 1);
}
else
{
return Vector3(1, 0, 0);
}
}
Property::Value StrokeColorCallback(int32_t id, VectorAnimationRenderer::VectorProperty property, uint32_t frameNumber)
{
if(frameNumber < 60)
{
return Vector3(1, 0, 1);
}
else
{
return Vector3(1, 1, 0);
}
}
Property::Value StrokeWidthCallback(int32_t id, VectorAnimationRenderer::VectorProperty property, uint32_t frameNumber)
{
if(frameNumber < 60)
{
return 2.0f;
}
else
{
return 5.0f;
}
}
Property::Value TransformRotationCallback(int32_t id, VectorAnimationRenderer::VectorProperty property, uint32_t frameNumber)
{
return frameNumber * 20.0f;
}
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.GetState() == 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;
}