/*
- * Copyright (c) 2017 Samsung Electronics Co., Ltd.
+ * 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.
*/
#include <dali-toolkit/dali-toolkit.h>
-#include <dali-toolkit/devel-api/controls/buttons/button-devel.h>
-
-#include "shared/utility.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-image-visual-actions-devel.h>
+#include <dali-toolkit/devel-api/visuals/visual-properties-devel.h>
using namespace Dali;
using namespace Dali::Toolkit;
namespace
{
-const char * const PLAY_ICON( DEMO_IMAGE_DIR "icon-play.png" );
-const char * const PLAY_ICON_SELECTED( DEMO_IMAGE_DIR "icon-play-selected.png" );
+const char* const PLAY_ICON_UNSELECTED(DEMO_IMAGE_DIR "icon-play.png");
+const char* const PLAY_ICON_SELECTED(DEMO_IMAGE_DIR "icon-play-selected.png");
-const char* const STATIC_GIF_DOG( DEMO_IMAGE_DIR "dog-static.gif" );
-const char* const ANIMATE_GIF_DOG( DEMO_IMAGE_DIR "dog-anim.gif" );
+const unsigned int ANIMATED_IMAGE_COUNT = 2;
-const char* const STATIC_GIF_LOGO( DEMO_IMAGE_DIR "dali-logo-static.gif" );
-const char* const ANIMATE_GIF_LOGO( DEMO_IMAGE_DIR "dali-logo-anim.gif" );
+const char* ANIMATED_IMAGE_URLS[ANIMATED_IMAGE_COUNT] =
+ {
+ DEMO_IMAGE_DIR "dog-anim.webp",
+ DEMO_IMAGE_DIR "dali-logo-anim.gif"};
-const char* const ANIMATE_PIXEL_AREA( "Animate PixelArea" );
-const char* const ANIMATE_PIXEL_AREA_AND_SCALE( "Animate PixelArea & Scale" );
+const char* ANIMATED_ARRAY_URL_FORMATS[ANIMATED_IMAGE_COUNT] =
+ {
+ DEMO_IMAGE_DIR "dog-anim-%03d.png", // Images are named dog-anim-001.png, dog-anim-002.png, etc.
+ DEMO_IMAGE_DIR "dali-logo-anim-%03d.png" // Images are named dali-logo-anim-001.png, dali-logo-anim-002.png, etc.
+};
-const Vector4 DIM_COLOR( 0.85f, 0.85f, 0.85f, 0.85f );
-}
+int ANIMATED_ARRAY_NUMBER_OF_FRAMES[ANIMATED_IMAGE_COUNT] =
+ {
+ 8,
+ 15};
-/* This example shows how to display a GIF image.
- * First a static GIF image is loaded and then when the user presses on the "Play" icon,
- * the static image is replaced by an animated one
- */
+const char* ANIMATION_RADIO_BUTTON_NAME("Animation Image");
+const char* ARRAY_RADIO_BUTTON_NAME("Array");
+
+/// Structure to specify the layout information for the animated images views.
+struct ImageLayoutInfo
+{
+ Vector3 anchorPoint;
+ Vector3 parentOrigin;
+ float yPosition;
+};
+
+ImageLayoutInfo IMAGE_LAYOUT_INFO[ANIMATED_IMAGE_COUNT] =
+ {
+ {AnchorPoint::BOTTOM_CENTER, ParentOrigin::CENTER, -80.0f},
+ {AnchorPoint::TOP_CENTER, ParentOrigin::CENTER, 80.0f}};
+
+} // unnamed namespace
+/**
+ * @brief This demonstrates how to display and control Animated Images.
+ *
+ * - It displays two animated images, an animated dog and an animated DALi logo.
+ * - The images are loaded paused, a play button is overlayed on top of the images to play the animated image.
+ * - Radio buttons at the bottom allow the user to change between Animated Images and a collection of Image Arrays.
+ */
class AnimatedImageController : public ConnectionTracker
{
public:
-
- AnimatedImageController( Application& application )
- : mApplication( application )
+ /**
+ * @brief Constructor.
+ * @param[in] application A reference to the Application class
+ */
+ AnimatedImageController(Application& application)
+ : mApplication(application),
+ mImageType(ImageType::ANIMATED_IMAGE)
{
// Connect to the Application's Init signal
- mApplication.InitSignal().Connect( this, &AnimatedImageController::Create );
+ mApplication.InitSignal().Connect(this, &AnimatedImageController::Create);
}
- ~AnimatedImageController()
+private:
+ /**
+ * @brief The image types supported by the application.
+ */
+ enum class ImageType
{
- // Nothing to do here;
- }
+ ANIMATED_IMAGE, ///< Displays Animated Image Files.
+ IMAGE_ARRAY ///< Displays an array of URLs that are used as an animated image.
+ };
- // The Init signal is received once (only) during the Application lifetime
- void Create( Application& application )
+ /**
+ * @brief Called to initialise the application content.
+ * @param[in] application A reference to the Application class
+ */
+ void Create(Application& application)
{
- // Get a handle to the stage
- Stage stage = Stage::GetCurrent();
- stage.SetBackgroundColor( Color::WHITE );
- // Tie-in input event handlers:
- stage.KeyEventSignal().Connect( this, &AnimatedImageController::OnKeyEvent );
+ // Set the window background color and connect to the window's key signal to allow Back and Escape to exit.
+ Window window = application.GetWindow();
+ window.SetBackgroundColor(Color::WHITE);
+ window.KeyEventSignal().Connect(this, &AnimatedImageController::OnKeyEvent);
- mActorDog = CreateGifViewWithOverlayPlayButton( STATIC_GIF_DOG );
- mActorDog.SetAnchorPoint( AnchorPoint::BOTTOM_CENTER );
- mActorDog.SetY( -100.f );
- stage.Add( mActorDog );
+ // Create the animated image-views
+ CreateAnimatedImageViews(window);
- mActorLogo = CreateGifViewWithOverlayPlayButton( STATIC_GIF_LOGO );
- mActorLogo.SetAnchorPoint( AnchorPoint::TOP_CENTER );
- mActorLogo.SetY( 100.f );
- stage.Add( mActorLogo );
+ // Create radio buttons to change between Animated images and Image Arrays
+ CreateRadioButtonLayout(window);
+ // Create a tap gesture detector to use to pause the animated images
mTapDetector = TapGestureDetector::New();
- mTapDetector.DetectedSignal().Connect( this, &AnimatedImageController::OnTap );
+ mTapDetector.DetectedSignal().Connect(this, &AnimatedImageController::OnTap);
}
/**
- * Create the gif image view with an overlay play button.
+ * @brief Creates and lays out radio buttons to allow changing between the different image types.
*/
- Toolkit::ImageView CreateGifViewWithOverlayPlayButton( const std::string& gifUrl )
+ void CreateRadioButtonLayout(Window& window)
{
- Toolkit::ImageView imageView = Toolkit::ImageView::New( gifUrl );
- imageView.SetParentOrigin( ParentOrigin::CENTER );
-
- // Create a push button, and add it as child of the image view
- Toolkit::PushButton animateButton = Toolkit::PushButton::New();
- animateButton.SetProperty( Toolkit::DevelButton::Property::UNSELECTED_BACKGROUND_VISUAL, PLAY_ICON );
- animateButton.SetProperty( Toolkit::DevelButton::Property::SELECTED_BACKGROUND_VISUAL, PLAY_ICON_SELECTED );
- animateButton.SetParentOrigin( ParentOrigin::CENTER );
- animateButton.SetAnchorPoint( AnchorPoint::CENTER );
- animateButton.ClickedSignal().Connect( this, &AnimatedImageController::OnPlayButtonClicked );
- imageView.Add( animateButton );
-
- // Apply dim color on the gif view and the play button
- imageView.SetColor( DIM_COLOR );
+ mAnimatedImageButton = CreateRadioButton(ANIMATION_RADIO_BUTTON_NAME, true);
+ mArrayButton = CreateRadioButton(ARRAY_RADIO_BUTTON_NAME, false);
+
+ Toolkit::TableView radioButtonLayout = Toolkit::TableView::New(1, 2);
+ radioButtonLayout.SetProperty(Dali::Actor::Property::NAME, "RadioButtonsLayout");
+ radioButtonLayout.SetResizePolicy(ResizePolicy::FIT_TO_CHILDREN, Dimension::HEIGHT);
+ radioButtonLayout.SetResizePolicy(ResizePolicy::FILL_TO_PARENT, Dimension::WIDTH);
+ radioButtonLayout.SetProperty(Actor::Property::PARENT_ORIGIN, ParentOrigin::BOTTOM_CENTER);
+ radioButtonLayout.SetProperty(Actor::Property::ANCHOR_POINT, AnchorPoint::BOTTOM_CENTER);
+ radioButtonLayout.SetFitHeight(0);
+ radioButtonLayout.AddChild(mAnimatedImageButton, TableView::CellPosition(0, 0));
+ radioButtonLayout.AddChild(mArrayButton, TableView::CellPosition(0, 1));
+ radioButtonLayout.SetCellAlignment(TableView::CellPosition(0, 0),
+ HorizontalAlignment::CENTER,
+ VerticalAlignment::CENTER);
+ radioButtonLayout.SetCellAlignment(TableView::CellPosition(0, 1),
+ HorizontalAlignment::CENTER,
+ VerticalAlignment::CENTER);
+ radioButtonLayout.SetProperty(Actor::Property::POSITION_Y, -10.0f);
+
+ window.Add(radioButtonLayout);
+ }
- return imageView;
+ /**
+ * @brief Creates a radio button.
+ * @param[in] name The name of the button
+ * @param[in] selected Whether the button is selected
+ * @return The created radio-button
+ */
+ RadioButton CreateRadioButton(const char* const name, bool selected)
+ {
+ RadioButton radioButton = Toolkit::RadioButton::New(name);
+ radioButton.SetProperty(Button::Property::SELECTED, selected);
+ radioButton.ClickedSignal().Connect(this, &AnimatedImageController::OnRadioButtonClicked);
+ return radioButton;
}
- Toolkit::ImageView CreateGifViewWithAnimatePixelAreaButton( const std::string& gifUrl, WrapMode::Type wrapModeU, WrapMode::Type wrapModeV, const std::string& buttonLabel )
+ /**
+ * @brief Creates the required animated image views.
+ */
+ void CreateAnimatedImageViews(Window window)
{
- Toolkit::ImageView imageView = Toolkit::ImageView::New();
- imageView.SetProperty( Toolkit::ImageView::Property::IMAGE,
- Property::Map().Add( Toolkit::ImageVisual::Property::URL, gifUrl )
- .Add( Toolkit::ImageVisual::Property::WRAP_MODE_U, wrapModeU )
- .Add( Toolkit::ImageVisual::Property::WRAP_MODE_V, wrapModeV ));
- imageView.SetParentOrigin( ParentOrigin::CENTER );
+ for(unsigned int index = 0; index < ANIMATED_IMAGE_COUNT; ++index)
+ {
+ Control& control = (index == 0) ? mActorDog : mActorLogo;
+ if(control)
+ {
+ // Remove the previous control from the window, it's resources (and children) will be deleted automatically
+ control.Unparent();
+ }
- // Create a push button, and add it as child of the image view
- Toolkit::PushButton animateButton = Toolkit::PushButton::New();
- animateButton.SetProperty( Toolkit::Button::Property::LABEL, buttonLabel );
- animateButton.SetParentOrigin( ParentOrigin::BOTTOM_CENTER );
- animateButton.SetAnchorPoint( AnchorPoint::TOP_CENTER );
- animateButton.SetY( 20.f );
+ // Create and lay out the image view according to the index
+ control = Toolkit::ImageView::New();
+ control.SetProperty(Toolkit::ImageView::Property::IMAGE, SetupViewProperties(mImageType, index));
+ control.SetProperty(Actor::Property::ANCHOR_POINT, IMAGE_LAYOUT_INFO[index].anchorPoint);
+ control.SetProperty(Actor::Property::PARENT_ORIGIN, IMAGE_LAYOUT_INFO[index].parentOrigin);
+ control.SetProperty(Actor::Property::POSITION_Y, IMAGE_LAYOUT_INFO[index].yPosition);
- animateButton.SetResizePolicy( ResizePolicy::USE_NATURAL_SIZE, Dimension::ALL_DIMENSIONS );
- animateButton.SetProperty( Actor::Property::INHERIT_SCALE, false );
- imageView.Add( animateButton );
+ control.SetProperty(Actor::Property::SIZE, Vector2(300, 300));
- mTapDetector.Attach( animateButton );
- mTapDetector.Attach( imageView );
+ // We do not want the animated image playing when it's added to the window.
+ PauseAnimatedImage(control);
- return imageView;
+ window.Add(control);
+ }
}
- bool OnPlayButtonClicked( Toolkit::Button button )
+ /**
+ * @brief Plays the passed in animated image.
+ * @details Also sets up the control so it can be paused when tapped.
+ * @param[in] control The animated image to play
+ */
+ void PlayAnimatedImage(Control& control)
{
- Stage stage = Stage::GetCurrent();
+ DevelControl::DoAction(control,
+ ImageView::Property::IMAGE,
+ DevelAnimatedImageVisual::Action::PLAY,
+ Property::Value());
- // With play button clicked, the static gif is replaced with animated gif.
- if( button.GetParent() == mActorDog )
+ if(mTapDetector)
{
- // remove the static gif view, the play button is also removed as its child.
- stage.Remove( mActorDog );
-
- mActorDog = CreateGifViewWithAnimatePixelAreaButton( ANIMATE_GIF_DOG, WrapMode::REPEAT, WrapMode::DEFAULT, ANIMATE_PIXEL_AREA_AND_SCALE );
- mActorDog.SetAnchorPoint( AnchorPoint::BOTTOM_CENTER );
- mActorDog.SetY( -100.f );
- stage.Add( mActorDog );
+ mTapDetector.Attach(control);
}
- else // button.GetParent() == mActorLogo
- {
- // remove the static gif view, the play button is also removed as its child.
- stage.Remove( mActorLogo );
+ }
+
+ /**
+ * @brief Pauses the animated image.
+ * @details Adds a Play button to the control and sets both up so that the animated image can be played again when
+ * the button is tapped.
+ * @param[in] control The animated image to pause
+ */
+ void PauseAnimatedImage(Control& control)
+ {
+ DevelControl::DoAction(control,
+ ImageView::Property::IMAGE,
+ DevelAnimatedImageVisual::Action::PAUSE,
+ Property::Value());
- mActorLogo = CreateGifViewWithAnimatePixelAreaButton( ANIMATE_GIF_LOGO, WrapMode::DEFAULT, WrapMode::MIRRORED_REPEAT, ANIMATE_PIXEL_AREA );
- mActorLogo.SetAnchorPoint( AnchorPoint::TOP_CENTER );
- mActorLogo.SetY( 100.f );
- stage.Add( mActorLogo );
+ // Create a push button, and add it as child of the control
+ Toolkit::PushButton animateButton = Toolkit::PushButton::New();
+ animateButton.SetProperty(Toolkit::Button::Property::UNSELECTED_BACKGROUND_VISUAL, PLAY_ICON_UNSELECTED);
+ animateButton.SetProperty(Toolkit::Button::Property::SELECTED_BACKGROUND_VISUAL, PLAY_ICON_SELECTED);
+ animateButton.SetProperty(Actor::Property::PARENT_ORIGIN, ParentOrigin::CENTER);
+ animateButton.SetProperty(Actor::Property::ANCHOR_POINT, AnchorPoint::CENTER);
+ animateButton.ClickedSignal().Connect(this, &AnimatedImageController::OnPlayButtonClicked);
+ control.Add(animateButton);
+
+ if(mTapDetector)
+ {
+ mTapDetector.Detach(control);
}
+ }
+
+ /**
+ * @brief Called when the play button is clicked.
+ * @details This method is used to start playing the parent image-view of the clicked button.
+ * @param[in] button The button that has been clicked
+ * @return We return true to state that we handled the event
+ */
+ bool OnPlayButtonClicked(Toolkit::Button button)
+ {
+ Control control = (button.GetParent() == mActorDog) ? mActorDog : mActorLogo;
+ PlayAnimatedImage(control);
+
+ button.Unparent();
+
return true;
}
- void OnTap(Dali::Actor actor, const Dali::TapGesture& tap)
+ /**
+ * @brief Called when the animated image views are tapped.
+ * @details This method is used to pause the tapped animated image view.
+ * @param[in] actor The actor that's tapped
+ */
+ void OnTap(Dali::Actor actor, const Dali::TapGesture& /* tap */)
{
- if( actor.GetParent() == mActorDog ) // "Animate Pixel Area" button is clicked
- {
- Animation animation = Animation::New( 3.f );
- animation.AnimateTo( Property( mActorDog, ImageView::Property::PIXEL_AREA ), Vector4( -1.0, 0.0, 3.f, 1.f ), AlphaFunction::SIN );
- animation.AnimateTo( Property( mActorDog, Actor::Property::SCALE_X ), 3.f, AlphaFunction::SIN );
- animation.Play();
- }
- else if( actor.GetParent() == mActorLogo ) // "Animate Pixel Area" button is clicked
- {
- Animation animation = Animation::New( 3.f );
- animation.AnimateTo( Property( mActorLogo, ImageView::Property::PIXEL_AREA ), Vector4( 0.0, 1.0, 1.f, 1.f ), AlphaFunction::SIN );
- animation.Play();
- }
- else if( actor == mActorDog ) // stop the animated gif, switch to static view
- {
- Stage stage = Stage::GetCurrent();
- stage.Remove( mActorDog );
+ Control control = (actor == mActorDog) ? mActorDog : mActorLogo;
+ PauseAnimatedImage(control);
+ }
- mActorDog = CreateGifViewWithOverlayPlayButton( STATIC_GIF_DOG );
- mActorDog.SetAnchorPoint( AnchorPoint::BOTTOM_CENTER );
- mActorDog.SetY( -100.f );
- stage.Add( mActorDog );
- }
- else if( actor == mActorLogo ) // stop the animated gif, switch to static view
- {
- Stage stage = Stage::GetCurrent();
- stage.Remove( mActorLogo );
+ /**
+ * @brief Called when a radio button is clicked.
+ * @details This method is used to change between the different image types.
+ * @param[in] button The clicked radio-button
+ * @return We return true to state that we handled the event.
+ *
+ */
+ bool OnRadioButtonClicked(Toolkit::Button button)
+ {
+ mImageType = (button == mAnimatedImageButton) ? ImageType::ANIMATED_IMAGE : ImageType::IMAGE_ARRAY;
- mActorLogo = CreateGifViewWithOverlayPlayButton( STATIC_GIF_LOGO );
- mActorLogo.SetAnchorPoint( AnchorPoint::TOP_CENTER );
- mActorLogo.SetY( 100.f );
- stage.Add( mActorLogo );
- }
+ CreateAnimatedImageViews(mApplication.GetWindow());
+ return true;
}
+ /**
+ * @brief Called when any key event is received.
+ *
+ * Will use this to quit the application if Back or the Escape key is received
+ * @param[in] event The key event information
+ */
void OnKeyEvent(const KeyEvent& event)
{
- if(event.state == KeyEvent::Down)
+ if(event.GetState() == KeyEvent::DOWN)
{
- if( IsKey( event, Dali::DALI_KEY_ESCAPE) || IsKey( event, Dali::DALI_KEY_BACK) )
+ if(IsKey(event, Dali::DALI_KEY_ESCAPE) || IsKey(event, Dali::DALI_KEY_BACK))
{
mApplication.Quit();
}
}
}
+ /**
+ * @brief Sets up the view properties appropriately.
+ * @param[in] type The Image type
+ * @param[in] index The index
+ * @return The set up property value
+ */
+ Property::Value SetupViewProperties(ImageType type, int index)
+ {
+ Property::Map map;
+
+ AddUrl(map, type, index);
+ AddCache(map, type, index);
+ return Property::Value(map);
+ }
+
+ /**
+ * @brief Adds the URL to the given map appropriately.
+ * @param[in/out] map The map to add the URL details to
+ * @param[in] type The Image type
+ * @param[in] index The index
+ */
+ void AddUrl(Property::Map& map, ImageType type, int index)
+ {
+ if(type == ImageType::ANIMATED_IMAGE)
+ {
+ map.Add(Toolkit::ImageVisual::Property::URL, Property::Value(ANIMATED_IMAGE_URLS[index]));
+ }
+ else
+ {
+ Property::Array frameUrls;
+ for(int i = 1; i <= ANIMATED_ARRAY_NUMBER_OF_FRAMES[index]; ++i)
+ {
+ char* buffer;
+ int len = asprintf(&buffer, ANIMATED_ARRAY_URL_FORMATS[index], i);
+ if(len > 0)
+ {
+ std::string frameUrl(buffer);
+ free(buffer);
+ frameUrls.Add(Property::Value(frameUrl));
+ }
+ }
+ map.Add(Toolkit::ImageVisual::Property::URL, Property::Value(frameUrls));
+ }
+ map.Add(DevelVisual::Property::VISUAL_FITTING_MODE, DevelVisual::FIT_KEEP_ASPECT_RATIO);
+ }
+
+ /**
+ * @brief Adds the cache properties, if required to the map.
+ * @param[in/out] map The map to add the URL details to
+ * @param[in] type The Image type
+ * @param[in] index The index
+ */
+ void AddCache(Property::Map& map, ImageType type, int index)
+ {
+ if(type == ImageType::IMAGE_ARRAY)
+ {
+ map
+ .Add(Toolkit::ImageVisual::Property::BATCH_SIZE, 4)
+ .Add(Toolkit::ImageVisual::Property::CACHE_SIZE, 10)
+ .Add(Toolkit::ImageVisual::Property::FRAME_DELAY, 150);
+ }
+ }
+
private:
- Application& mApplication;
- Toolkit::ImageView mActorDog;
- Toolkit::ImageView mActorLogo;
- TapGestureDetector mTapDetector;
+ Application& mApplication; ///< A reference to the application.
+
+ Toolkit::ImageView mActorDog; ///< The current dog image view.
+ Toolkit::ImageView mActorLogo; ///< The current logo image view.
+
+ Toolkit::RadioButton mAnimatedImageButton; ///< The Animated Image Radio Button.
+ Toolkit::RadioButton mArrayButton; ///< The Array Radio Button.
+
+ TapGestureDetector mTapDetector; ///< The tap detector.
+
+ ImageType mImageType; ///< The current Image type.
};
-// Entry point for Linux & Tizen applications
-//
-int DALI_EXPORT_API main( int argc, char **argv )
+int DALI_EXPORT_API main(int argc, char** argv)
{
- Application application = Application::New( &argc, &argv );
+ Application application = Application::New(&argc, &argv);
- AnimatedImageController test( application );
+ AnimatedImageController test(application);
application.MainLoop();