2 * Copyright (c) 2022 Samsung Electronics Co., Ltd.
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
8 * http://www.apache.org/licenses/LICENSE-2.0
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.
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-image-visual-actions-devel.h>
22 #include <dali-toolkit/devel-api/visuals/visual-properties-devel.h>
25 using namespace Dali::Toolkit;
29 const char* const PLAY_ICON_UNSELECTED(DEMO_IMAGE_DIR "icon-play.png");
30 const char* const PLAY_ICON_SELECTED(DEMO_IMAGE_DIR "icon-play-selected.png");
32 const unsigned int ANIMATED_IMAGE_COUNT = 2;
34 const char* ANIMATED_IMAGE_URLS[ANIMATED_IMAGE_COUNT] =
36 DEMO_IMAGE_DIR "dog-anim.webp",
37 DEMO_IMAGE_DIR "dali-logo-anim.gif"};
39 const char* ANIMATED_ARRAY_URL_FORMATS[ANIMATED_IMAGE_COUNT] =
41 DEMO_IMAGE_DIR "dog-anim-%03d.png", // Images are named dog-anim-001.png, dog-anim-002.png, etc.
42 DEMO_IMAGE_DIR "dali-logo-anim-%03d.png" // Images are named dali-logo-anim-001.png, dali-logo-anim-002.png, etc.
45 int ANIMATED_ARRAY_NUMBER_OF_FRAMES[ANIMATED_IMAGE_COUNT] =
50 const char* ANIMATION_RADIO_BUTTON_NAME("Animation Image");
51 const char* ARRAY_RADIO_BUTTON_NAME("Array");
53 /// Structure to specify the layout information for the animated images views.
54 struct ImageLayoutInfo
61 ImageLayoutInfo IMAGE_LAYOUT_INFO[ANIMATED_IMAGE_COUNT] =
63 {AnchorPoint::BOTTOM_CENTER, ParentOrigin::CENTER, -80.0f},
64 {AnchorPoint::TOP_CENTER, ParentOrigin::CENTER, 80.0f}};
66 } // unnamed namespace
69 * @brief This demonstrates how to display and control Animated Images.
71 * - It displays two animated images, an animated dog and an animated DALi logo.
72 * - The images are loaded paused, a play button is overlayed on top of the images to play the animated image.
73 * - Radio buttons at the bottom allow the user to change between Animated Images and a collection of Image Arrays.
75 class AnimatedImageController : public ConnectionTracker
80 * @param[in] application A reference to the Application class
82 AnimatedImageController(Application& application)
83 : mApplication(application),
84 mImageType(ImageType::ANIMATED_IMAGE)
86 // Connect to the Application's Init signal
87 mApplication.InitSignal().Connect(this, &AnimatedImageController::Create);
92 * @brief The image types supported by the application.
96 ANIMATED_IMAGE, ///< Displays Animated Image Files.
97 IMAGE_ARRAY ///< Displays an array of URLs that are used as an animated image.
101 * @brief Called to initialise the application content.
102 * @param[in] application A reference to the Application class
104 void Create(Application& application)
106 // Set the window background color and connect to the window's key signal to allow Back and Escape to exit.
107 Window window = application.GetWindow();
108 window.SetBackgroundColor(Color::WHITE);
109 window.KeyEventSignal().Connect(this, &AnimatedImageController::OnKeyEvent);
111 // Create the animated image-views
112 CreateAnimatedImageViews(window);
114 // Create radio buttons to change between Animated images and Image Arrays
115 CreateRadioButtonLayout(window);
117 // Create a tap gesture detector to use to pause the animated images
118 mTapDetector = TapGestureDetector::New();
119 mTapDetector.DetectedSignal().Connect(this, &AnimatedImageController::OnTap);
123 * @brief Creates and lays out radio buttons to allow changing between the different image types.
125 void CreateRadioButtonLayout(Window& window)
127 mAnimatedImageButton = CreateRadioButton(ANIMATION_RADIO_BUTTON_NAME, true);
128 mArrayButton = CreateRadioButton(ARRAY_RADIO_BUTTON_NAME, false);
130 Toolkit::TableView radioButtonLayout = Toolkit::TableView::New(1, 2);
131 radioButtonLayout.SetProperty(Dali::Actor::Property::NAME, "RadioButtonsLayout");
132 radioButtonLayout.SetResizePolicy(ResizePolicy::FIT_TO_CHILDREN, Dimension::HEIGHT);
133 radioButtonLayout.SetResizePolicy(ResizePolicy::FILL_TO_PARENT, Dimension::WIDTH);
134 radioButtonLayout.SetProperty(Actor::Property::PARENT_ORIGIN, ParentOrigin::BOTTOM_CENTER);
135 radioButtonLayout.SetProperty(Actor::Property::ANCHOR_POINT, AnchorPoint::BOTTOM_CENTER);
136 radioButtonLayout.SetFitHeight(0);
137 radioButtonLayout.AddChild(mAnimatedImageButton, TableView::CellPosition(0, 0));
138 radioButtonLayout.AddChild(mArrayButton, TableView::CellPosition(0, 1));
139 radioButtonLayout.SetCellAlignment(TableView::CellPosition(0, 0),
140 HorizontalAlignment::CENTER,
141 VerticalAlignment::CENTER);
142 radioButtonLayout.SetCellAlignment(TableView::CellPosition(0, 1),
143 HorizontalAlignment::CENTER,
144 VerticalAlignment::CENTER);
145 radioButtonLayout.SetProperty(Actor::Property::POSITION_Y, -10.0f);
147 window.Add(radioButtonLayout);
151 * @brief Creates a radio button.
152 * @param[in] name The name of the button
153 * @param[in] selected Whether the button is selected
154 * @return The created radio-button
156 RadioButton CreateRadioButton(const char* const name, bool selected)
158 RadioButton radioButton = Toolkit::RadioButton::New(name);
159 radioButton.SetProperty(Button::Property::SELECTED, selected);
160 radioButton.ClickedSignal().Connect(this, &AnimatedImageController::OnRadioButtonClicked);
165 * @brief Creates the required animated image views.
167 void CreateAnimatedImageViews(Window window)
169 for(unsigned int index = 0; index < ANIMATED_IMAGE_COUNT; ++index)
171 Control& control = (index == 0) ? mActorDog : mActorLogo;
174 // Remove the previous control from the window, it's resources (and children) will be deleted automatically
178 // Create and lay out the image view according to the index
179 control = Toolkit::ImageView::New();
180 control.SetProperty(Toolkit::ImageView::Property::IMAGE, SetupViewProperties(mImageType, index));
181 control.SetProperty(Actor::Property::ANCHOR_POINT, IMAGE_LAYOUT_INFO[index].anchorPoint);
182 control.SetProperty(Actor::Property::PARENT_ORIGIN, IMAGE_LAYOUT_INFO[index].parentOrigin);
183 control.SetProperty(Actor::Property::POSITION_Y, IMAGE_LAYOUT_INFO[index].yPosition);
185 control.SetProperty(Actor::Property::SIZE, Vector2(300, 300));
187 // We do not want the animated image playing when it's added to the window.
188 PauseAnimatedImage(control);
195 * @brief Plays the passed in animated image.
196 * @details Also sets up the control so it can be paused when tapped.
197 * @param[in] control The animated image to play
199 void PlayAnimatedImage(Control& control)
201 DevelControl::DoAction(control,
202 ImageView::Property::IMAGE,
203 DevelAnimatedImageVisual::Action::PLAY,
208 mTapDetector.Attach(control);
213 * @brief Pauses the animated image.
214 * @details Adds a Play button to the control and sets both up so that the animated image can be played again when
215 * the button is tapped.
216 * @param[in] control The animated image to pause
218 void PauseAnimatedImage(Control& control)
220 DevelControl::DoAction(control,
221 ImageView::Property::IMAGE,
222 DevelAnimatedImageVisual::Action::PAUSE,
225 // Create a push button, and add it as child of the control
226 Toolkit::PushButton animateButton = Toolkit::PushButton::New();
227 animateButton.SetProperty(Toolkit::Button::Property::UNSELECTED_BACKGROUND_VISUAL, PLAY_ICON_UNSELECTED);
228 animateButton.SetProperty(Toolkit::Button::Property::SELECTED_BACKGROUND_VISUAL, PLAY_ICON_SELECTED);
229 animateButton.SetProperty(Actor::Property::PARENT_ORIGIN, ParentOrigin::CENTER);
230 animateButton.SetProperty(Actor::Property::ANCHOR_POINT, AnchorPoint::CENTER);
231 animateButton.ClickedSignal().Connect(this, &AnimatedImageController::OnPlayButtonClicked);
232 control.Add(animateButton);
236 mTapDetector.Detach(control);
241 * @brief Called when the play button is clicked.
242 * @details This method is used to start playing the parent image-view of the clicked button.
243 * @param[in] button The button that has been clicked
244 * @return We return true to state that we handled the event
246 bool OnPlayButtonClicked(Toolkit::Button button)
248 Control control = (button.GetParent() == mActorDog) ? mActorDog : mActorLogo;
249 PlayAnimatedImage(control);
257 * @brief Called when the animated image views are tapped.
258 * @details This method is used to pause the tapped animated image view.
259 * @param[in] actor The actor that's tapped
261 void OnTap(Dali::Actor actor, const Dali::TapGesture& /* tap */)
263 Control control = (actor == mActorDog) ? mActorDog : mActorLogo;
264 PauseAnimatedImage(control);
268 * @brief Called when a radio button is clicked.
269 * @details This method is used to change between the different image types.
270 * @param[in] button The clicked radio-button
271 * @return We return true to state that we handled the event.
274 bool OnRadioButtonClicked(Toolkit::Button button)
276 mImageType = (button == mAnimatedImageButton) ? ImageType::ANIMATED_IMAGE : ImageType::IMAGE_ARRAY;
278 CreateAnimatedImageViews(mApplication.GetWindow());
283 * @brief Called when any key event is received.
285 * Will use this to quit the application if Back or the Escape key is received
286 * @param[in] event The key event information
288 void OnKeyEvent(const KeyEvent& event)
290 if(event.GetState() == KeyEvent::DOWN)
292 if(IsKey(event, Dali::DALI_KEY_ESCAPE) || IsKey(event, Dali::DALI_KEY_BACK))
300 * @brief Sets up the view properties appropriately.
301 * @param[in] type The Image type
302 * @param[in] index The index
303 * @return The set up property value
305 Property::Value SetupViewProperties(ImageType type, int index)
309 AddUrl(map, type, index);
310 AddCache(map, type, index);
311 return Property::Value(map);
315 * @brief Adds the URL to the given map appropriately.
316 * @param[in/out] map The map to add the URL details to
317 * @param[in] type The Image type
318 * @param[in] index The index
320 void AddUrl(Property::Map& map, ImageType type, int index)
322 if(type == ImageType::ANIMATED_IMAGE)
324 map.Add(Toolkit::ImageVisual::Property::URL, Property::Value(ANIMATED_IMAGE_URLS[index]));
328 Property::Array frameUrls;
329 for(int i = 1; i <= ANIMATED_ARRAY_NUMBER_OF_FRAMES[index]; ++i)
332 int len = asprintf(&buffer, ANIMATED_ARRAY_URL_FORMATS[index], i);
335 std::string frameUrl(buffer);
337 frameUrls.Add(Property::Value(frameUrl));
340 map.Add(Toolkit::ImageVisual::Property::URL, Property::Value(frameUrls));
342 map.Add(DevelVisual::Property::VISUAL_FITTING_MODE, DevelVisual::FIT_KEEP_ASPECT_RATIO);
346 * @brief Adds the cache properties, if required to the map.
347 * @param[in/out] map The map to add the URL details to
348 * @param[in] type The Image type
349 * @param[in] index The index
351 void AddCache(Property::Map& map, ImageType type, int index)
353 if(type == ImageType::IMAGE_ARRAY)
356 .Add(Toolkit::ImageVisual::Property::BATCH_SIZE, 4)
357 .Add(Toolkit::ImageVisual::Property::CACHE_SIZE, 10)
358 .Add(Toolkit::ImageVisual::Property::FRAME_DELAY, 150);
363 Application& mApplication; ///< A reference to the application.
365 Toolkit::ImageView mActorDog; ///< The current dog image view.
366 Toolkit::ImageView mActorLogo; ///< The current logo image view.
368 Toolkit::RadioButton mAnimatedImageButton; ///< The Animated Image Radio Button.
369 Toolkit::RadioButton mArrayButton; ///< The Array Radio Button.
371 TapGestureDetector mTapDetector; ///< The tap detector.
373 ImageType mImageType; ///< The current Image type.
376 int DALI_EXPORT_API main(int argc, char** argv)
378 Application application = Application::New(&argc, &argv);
380 AnimatedImageController test(application);
382 application.MainLoop();