examples/animated-vector-images-rive/animated-vector-images-rive-example.cpp

   1 /*
   2  * Copyright (c) 2021 Samsung Electronics Co., Ltd.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  * http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  *
  16  */
  17
  18 #include <dali-toolkit/dali-toolkit.h>
  19 #include <dali-toolkit/devel-api/controls/control-devel.h>
  20 #include <dali-toolkit/devel-api/controls/table-view/table-view.h>
  21 #include <dali-toolkit/devel-api/visuals/animated-vector-image-visual-actions-devel.h>
  22 #include <dali-toolkit/devel-api/visuals/animated-vector-image-visual-signals-devel.h>
  23 #include <dali-toolkit/devel-api/visuals/image-visual-properties-devel.h>
  24 #include <dali/dali.h>
  25 #include <string>
  26 #include "shared/view.h"
  27
  28 using namespace Dali;
  29 using namespace Dali::Toolkit;
  30
  31 namespace
  32 {
  33 const char* BACKGROUND_IMAGE(DEMO_IMAGE_DIR "background-gradient.jpg");
  34 const char* TOOLBAR_IMAGE(DEMO_IMAGE_DIR "top-bar.png");
  35 const char* APPLICATION_TITLE("Animated Vector Images Rive");
  36
  37 const char* IMAGE_PATH[] = {
  38   DEMO_IMAGE_DIR "juice.riv",
  39   };
  40
  41 const unsigned int NUMBER_OF_IMAGES = 1;
  42
  43 enum CellPlacement
  44 {
  45   TOP_BUTTON,
  46   LOWER_BUTTON,
  47   IMAGE,
  48   NUMBER_OF_ROWS
  49 };
  50
  51 unsigned int GetControlIndex(Control control)
  52 {
  53   std::string  controlName = control.GetProperty<std::string>(Dali::Actor::Property::NAME);
  54   unsigned int index       = 0;
  55
  56   if(controlName != "")
  57   {
  58     index = std::stoul(controlName);
  59   }
  60
  61   return index;
  62 }
  63
  64 } // namespace
  65
  66 // This example shows the usage of AnimatedVectorImageVisual(Rive).
  67 // It doesn't work on Ubuntu because the visual uses the external library to render frames.
  68 class AnimatedVectorImageViewController : public ConnectionTracker
  69 {
  70 public:
  71   AnimatedVectorImageViewController(Application& application)
  72   : mApplication(application)
  73   {
  74     // Connect to the Application's Init signal
  75     mApplication.InitSignal().Connect(this, &AnimatedVectorImageViewController::Create);
  76   }
  77
  78   void Create(Application& application)
  79   {
  80     // The Init signal is received once (only) during the Application lifetime
  81
  82     // Creates a default view with a default tool bar.
  83     // The view is added to the window.
  84     mContentLayer = DemoHelper::CreateView(application,
  85                                            mView,
  86                                            mToolBar,
  87                                            BACKGROUND_IMAGE,
  88                                            TOOLBAR_IMAGE,
  89                                            APPLICATION_TITLE);
  90
  91     // Create a table view to show a pair of buttons above each image.
  92     mTable = TableView::New(CellPlacement::NUMBER_OF_ROWS, NUMBER_OF_IMAGES);
  93     mTable.SetProperty(Actor::Property::ANCHOR_POINT, AnchorPoint::CENTER);
  94     mTable.SetProperty(Actor::Property::PARENT_ORIGIN, ParentOrigin::CENTER);
  95     mTable.SetResizePolicy(ResizePolicy::SIZE_RELATIVE_TO_PARENT, Dimension::ALL_DIMENSIONS);
  96     Vector3 offset(0.9f, 0.70f, 0.0f);
  97     mTable.SetProperty(Actor::Property::SIZE_MODE_FACTOR, offset);
  98     mTable.SetFitHeight(CellPlacement::TOP_BUTTON);
  99     mTable.SetFitHeight(CellPlacement::LOWER_BUTTON);
 100     mContentLayer.Add(mTable);
 101
 102     for(unsigned int x = 0; x < NUMBER_OF_IMAGES; x++)
 103     {
 104       mPlayButtons[x] = PushButton::New();
 105       mPlayButtons[x].SetProperty(Button::Property::LABEL, "Play");
 106       mPlayButtons[x].SetProperty(Actor::Property::PARENT_ORIGIN, ParentOrigin::TOP_CENTER);
 107       mPlayButtons[x].SetProperty(Actor::Property::ANCHOR_POINT, AnchorPoint::TOP_CENTER);
 108       mPlayButtons[x].ClickedSignal().Connect(this, &AnimatedVectorImageViewController::OnPlayButtonClicked);
 109       mPlayButtons[x].SetResizePolicy(ResizePolicy::FILL_TO_PARENT, Dimension::WIDTH);
 110       mPlayButtons[x].SetResizePolicy(ResizePolicy::USE_NATURAL_SIZE, Dimension::HEIGHT);
 111       std::string s = std::to_string(x);
 112       mPlayButtons[x].SetProperty(Dali::Actor::Property::NAME, s);
 113       mTable.AddChild(mPlayButtons[x], TableView::CellPosition(CellPlacement::TOP_BUTTON, x));
 114
 115       mStopButtons[x] = PushButton::New();
 116       mStopButtons[x].SetProperty(Button::Property::LABEL, "Stop");
 117       mStopButtons[x].SetProperty(Actor::Property::PARENT_ORIGIN, ParentOrigin::BOTTOM_CENTER);
 118       mStopButtons[x].SetProperty(Actor::Property::ANCHOR_POINT, AnchorPoint::BOTTOM_CENTER);
 119       mStopButtons[x].ClickedSignal().Connect(this, &AnimatedVectorImageViewController::OnStopButtonClicked);
 120       mStopButtons[x].SetResizePolicy(ResizePolicy::FILL_TO_PARENT, Dimension::WIDTH);
 121       mStopButtons[x].SetResizePolicy(ResizePolicy::USE_NATURAL_SIZE, Dimension::HEIGHT);
 122       mStopButtons[x].SetProperty(Dali::Actor::Property::NAME, s);
 123       mTable.AddChild(mStopButtons[x], TableView::CellPosition(CellPlacement::LOWER_BUTTON, x));
 124
 125       mImageViews[x] = ImageView::New();
 126       Property::Map imagePropertyMap;
 127       imagePropertyMap.Insert(Visual::Property::TYPE, Visual::IMAGE);
 128       imagePropertyMap.Insert(ImageVisual::Property::URL, IMAGE_PATH[x]);
 129       imagePropertyMap.Insert(DevelImageVisual::Property::LOOP_COUNT, 3);
 130       mImageViews[x].SetProperty(ImageView::Property::IMAGE, imagePropertyMap);
 131
 132       mImageViews[x].SetProperty(Actor::Property::PARENT_ORIGIN, ParentOrigin::CENTER);
 133       mImageViews[x].SetProperty(Actor::Property::ANCHOR_POINT, AnchorPoint::CENTER);
 134       mImageViews[x].SetResizePolicy(ResizePolicy::FILL_TO_PARENT, Dimension::ALL_DIMENSIONS);
 135       mImageViews[x].SetProperty(Dali::Actor::Property::NAME, s);
 136
 137       DevelControl::VisualEventSignal(mImageViews[x]).Connect(this, &AnimatedVectorImageViewController::OnVisualEvent);
 138
 139       mTable.AddChild(mImageViews[x], TableView::CellPosition(CellPlacement::IMAGE, x));
 140     }
 141
 142     application.GetWindow().KeyEventSignal().Connect(this, &AnimatedVectorImageViewController::OnKeyEvent);
 143   }
 144
 145 private:
 146   bool OnPlayButtonClicked(Button button)
 147   {
 148     unsigned int controlIndex = GetControlIndex(button);
 149
 150     ImageView imageView = mImageViews[controlIndex];
 151
 152     Property::Map    map   = imageView.GetProperty<Property::Map>(ImageView::Property::IMAGE);
 153     Property::Value* value = map.Find(DevelImageVisual::Property::PLAY_STATE);
 154
 155     if(value)
 156     {
 157       if(value->Get<int>() != static_cast<int>(DevelImageVisual::PlayState::PLAYING))
 158       {
 159         mPlayButtons[controlIndex].SetProperty(Button::Property::LABEL, "Pause");
 160
 161         DevelControl::DoAction(imageView, ImageView::Property::IMAGE, DevelAnimatedVectorImageVisual::Action::PLAY, Property::Value());
 162       }
 163       else
 164       {
 165         mPlayButtons[controlIndex].SetProperty(Button::Property::LABEL, "Play");
 166
 167         DevelControl::DoAction(imageView, ImageView::Property::IMAGE, DevelAnimatedVectorImageVisual::Action::PAUSE, Property::Value());
 168       }
 169     }
 170
 171     return true;
 172   }
 173
 174   bool OnStopButtonClicked(Button button)
 175   {
 176     unsigned int controlIndex = GetControlIndex(button);
 177     ImageView    imageView    = mImageViews[controlIndex];
 178     DevelControl::DoAction(imageView, ImageView::Property::IMAGE, DevelAnimatedVectorImageVisual::Action::STOP, Property::Value());
 179
 180     return true;
 181   }
 182
 183   void OnVisualEvent(Control control, Dali::Property::Index visualIndex, Dali::Property::Index signalId)
 184   {
 185     unsigned int controlIndex = GetControlIndex(control);
 186
 187     if(visualIndex == ImageView::Property::IMAGE && signalId == DevelAnimatedVectorImageVisual::Signal::ANIMATION_FINISHED)
 188     {
 189       mPlayButtons[controlIndex].SetProperty(Button::Property::LABEL, "Play");
 190     }
 191   }
 192
 193   /**
 194    * Main key event handler
 195    */
 196   void OnKeyEvent(const KeyEvent& event)
 197   {
 198     if(event.GetState() == KeyEvent::DOWN)
 199     {
 200       if(IsKey(event, DALI_KEY_ESCAPE) || IsKey(event, DALI_KEY_BACK))
 201       {
 202         mApplication.Quit();
 203       }
 204     }
 205   }
 206
 207 private:
 208   Application& mApplication;
 209
 210   Control    mView;         ///< The View instance.
 211   ToolBar    mToolBar;      ///< The View's Toolbar.
 212   Layer      mContentLayer; ///< Content layer
 213   TableView  mTable;
 214   ImageView  mImageViews[NUMBER_OF_IMAGES];
 215   PushButton mPlayButtons[NUMBER_OF_IMAGES];
 216   PushButton mStopButtons[NUMBER_OF_IMAGES];
 217 };
 218
 219 int DALI_EXPORT_API main(int argc, char** argv)
 220 {
 221   Application                       application = Application::New(&argc, &argv, DEMO_THEME_PATH);
 222   AnimatedVectorImageViewController test(application);
 223   application.MainLoop();
 224   return 0;
 225 }