/*
- * Copyright (c) 2020 Samsung Electronics Co., Ltd.
+ * Copyright (c) 2021 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.
*/
// EXTERNAL INCLUDES
-#include <algorithm>
-#include <map>
#include <dali-toolkit/dali-toolkit.h>
-#include <iostream>
#include <dali-toolkit/devel-api/controls/control-devel.h>
#include <dali-toolkit/devel-api/controls/scroll-bar/scroll-bar.h>
+#include <algorithm>
+#include <chrono> // std::chrono::system_clock
+#include <iostream>
+#include <map>
+#include <random> // std::default_random_engine
// INTERNAL INCLUDES
#include "grid-flags.h"
namespace
{
-
/** Controls the output of application logging. */
//#define DEBUG_PRINT_DIAGNOSTICS;
-const char* BACKGROUND_IMAGE( DEMO_IMAGE_DIR "background-gradient.jpg" );
-const char* TOOLBAR_IMAGE( DEMO_IMAGE_DIR "top-bar.png" );
-const char* APPLICATION_TITLE( "Image Scaling Modes" );
-const char* TOGGLE_SCALING_IMAGE( DEMO_IMAGE_DIR "icon-change.png" );
-const char* TOGGLE_SCALING_IMAGE_SELECTED( DEMO_IMAGE_DIR "icon-change-selected.png" );
+const char* BACKGROUND_IMAGE(DEMO_IMAGE_DIR "background-gradient.jpg");
+const char* TOOLBAR_IMAGE(DEMO_IMAGE_DIR "top-bar.png");
+const char* APPLICATION_TITLE("Image Scaling Modes");
+const char* TOGGLE_SCALING_IMAGE(DEMO_IMAGE_DIR "icon-change.png");
+const char* TOGGLE_SCALING_IMAGE_SELECTED(DEMO_IMAGE_DIR "icon-change-selected.png");
/** The width of the grid in whole grid cells. */
const unsigned GRID_WIDTH = 9;
/** The target image sizes in grid cells. */
const Vector2 IMAGE_SIZES[] = {
- Vector2( 1, 1 ),
- Vector2( 2, 1 ),
- Vector2( 3, 1 ),
- Vector2( 1, 2 ),
- Vector2( 1, 3 ),
- Vector2( 2, 3 ),
- Vector2( 3, 2 ),
- // Large, tall configuration:
- Vector2( GRID_WIDTH / 2, GRID_WIDTH + GRID_WIDTH / 2 ),
- // Large, square-ish images to show shrink-to-fit well with wide and tall images:
- Vector2( GRID_WIDTH / 2, GRID_WIDTH / 2.0f * CELL_ASPECT_RATIO + 0.5f ),
- Vector2( GRID_WIDTH - 2, (GRID_WIDTH - 2) * CELL_ASPECT_RATIO + 0.5f ),
+ Vector2(1, 1),
+ Vector2(2, 1),
+ Vector2(3, 1),
+ Vector2(1, 2),
+ Vector2(1, 3),
+ Vector2(2, 3),
+ Vector2(3, 2),
+ // Large, tall configuration:
+ Vector2(GRID_WIDTH / 2, GRID_WIDTH + GRID_WIDTH / 2),
+ // Large, square-ish images to show shrink-to-fit well with wide and tall images:
+ Vector2(GRID_WIDTH / 2, GRID_WIDTH / 2.0f * CELL_ASPECT_RATIO + 0.5f),
+ Vector2(GRID_WIDTH - 2, (GRID_WIDTH - 2) * CELL_ASPECT_RATIO + 0.5f),
};
const unsigned NUM_IMAGE_SIZES = sizeof(IMAGE_SIZES) / sizeof(IMAGE_SIZES[0]);
DEMO_IMAGE_DIR "book-portrait-cover.jpg",
DEMO_IMAGE_DIR "book-portrait-p1.jpg",
DEMO_IMAGE_DIR "book-portrait-p2.jpg",
- NULL
-};
-const unsigned NUM_IMAGE_PATHS = sizeof(IMAGE_PATHS) / sizeof(IMAGE_PATHS[0]) - 1u;
+ NULL};
+const unsigned NUM_IMAGE_PATHS = sizeof(IMAGE_PATHS) / sizeof(IMAGE_PATHS[0]) - 1u;
const unsigned int INITIAL_IMAGES_TO_LOAD = 10;
-
/**
* Creates an ImageView
*
* @param[in] height The height of the image in pixels.
* @param[in] fittingMode The mode to use when scaling the image to fit the desired dimensions.
*/
-ImageView CreateImageView(const std::string& filename, int width, int height, Dali::FittingMode::Type fittingMode )
+ImageView CreateImageView(const std::string& filename, int width, int height, Dali::FittingMode::Type fittingMode)
{
-
ImageView imageView = ImageView::New();
Property::Map map;
- map[Toolkit::ImageVisual::Property::URL] = filename;
- map[Toolkit::ImageVisual::Property::DESIRED_WIDTH] = width;
+ map[Toolkit::ImageVisual::Property::URL] = filename;
+ map[Toolkit::ImageVisual::Property::DESIRED_WIDTH] = width;
map[Toolkit::ImageVisual::Property::DESIRED_HEIGHT] = height;
- map[Toolkit::ImageVisual::Property::FITTING_MODE] = fittingMode;
- imageView.SetProperty( Toolkit::ImageView::Property::IMAGE, map );
+ map[Toolkit::ImageVisual::Property::FITTING_MODE] = fittingMode;
+ imageView.SetProperty(Toolkit::ImageView::Property::IMAGE, map);
- imageView.SetProperty( Dali::Actor::Property::NAME, filename );
- imageView.SetProperty( Actor::Property::PARENT_ORIGIN,ParentOrigin::CENTER);
- imageView.SetProperty( Actor::Property::ANCHOR_POINT,AnchorPoint::CENTER);
+ imageView.SetProperty(Dali::Actor::Property::NAME, filename);
+ imageView.SetProperty(Actor::Property::PARENT_ORIGIN, ParentOrigin::CENTER);
+ imageView.SetProperty(Actor::Property::ANCHOR_POINT, AnchorPoint::CENTER);
return imageView;
}
/** Cycle the scaling mode options. */
-Dali::FittingMode::Type NextMode( const Dali::FittingMode::Type oldMode )
+Dali::FittingMode::Type NextMode(const Dali::FittingMode::Type oldMode)
{
Dali::FittingMode::Type newMode = FittingMode::SHRINK_TO_FIT;
- switch ( oldMode )
+ switch(oldMode)
{
case FittingMode::SHRINK_TO_FIT:
newMode = FittingMode::SCALE_TO_FILL;
* */
struct ImageConfiguration
{
- ImageConfiguration( const char * const path, const Vector2 dimensions ) :
- path( path ),
- dimensions( dimensions )
- {}
- const char * path;
- Vector2 dimensions;
+ ImageConfiguration(const char* const imagePath, const Vector2 dims)
+ : path(imagePath),
+ dimensions(dims)
+ {
+ }
+ const char* path;
+ Vector2 dimensions;
};
/**
*/
struct PositionedImage
{
- PositionedImage(ImageConfiguration& configuration, unsigned cellX, unsigned cellY, Vector2 imageGridDims) :
- configuration( configuration ),
- cellX( cellX ),
- cellY( cellY ),
- imageGridDims( imageGridDims )
- {}
+ PositionedImage(ImageConfiguration& config, unsigned x, unsigned y, Vector2 imageGridDimensions)
+ : configuration(config),
+ cellX(x),
+ cellY(y),
+ imageGridDims(imageGridDimensions)
+ {
+ }
ImageConfiguration configuration;
- unsigned cellX;
- unsigned cellY;
- Vector2 imageGridDims;
+ unsigned cellX;
+ unsigned cellY;
+ Vector2 imageGridDims;
};
-}
+} // namespace
/**
* @brief The main class of the demo.
class ImageScalingIrregularGridController : public ConnectionTracker
{
public:
-
- ImageScalingIrregularGridController( Application& application )
- : mApplication( application ),
- mScrolling( false ),
- mImagesLoaded( 0 )
+ ImageScalingIrregularGridController(Application& application)
+ : mApplication(application),
+ mScrolling(false),
+ mImagesLoaded(0)
{
std::cout << "ImageScalingIrregularGridController::ImageScalingIrregularGridController" << std::endl;
// Connect to the Application's Init signal
- mApplication.InitSignal().Connect( this, &ImageScalingIrregularGridController::Create );
+ mApplication.InitSignal().Connect(this, &ImageScalingIrregularGridController::Create);
}
~ImageScalingIrregularGridController()
/**
* Called everytime an ImageView has loaded it's image
*/
- void ResourceReadySignal( Toolkit::Control control )
+ void ResourceReadySignal(Toolkit::Control control)
{
mImagesLoaded++;
// To allow fast startup, we only place a small number of ImageViews on window first
- if ( mImagesLoaded == INITIAL_IMAGES_TO_LOAD )
+ if(mImagesLoaded == INITIAL_IMAGES_TO_LOAD)
{
// Adding the ImageViews to the window will trigger loading of the Images
- mGridActor.Add( mOffWindowImageViews );
+ mGridActor.Add(mOffWindowImageViews);
}
}
-
/**
* One-time setup in response to Application InitSignal.
*/
- void Create( Application& application )
+ void Create(Application& application)
{
std::cout << "ImageScalingIrregularGridController::Create" << std::endl;
window.KeyEventSignal().Connect(this, &ImageScalingIrregularGridController::OnKeyEvent);
// Create a default view with a default tool bar:
- mContentLayer = DemoHelper::CreateView( mApplication,
- mView,
- mToolBar,
- BACKGROUND_IMAGE,
- TOOLBAR_IMAGE,
- "" );
+ mContentLayer = DemoHelper::CreateView(mApplication,
+ mView,
+ mToolBar,
+ BACKGROUND_IMAGE,
+ TOOLBAR_IMAGE,
+ "");
// Create an image scaling toggle button. (right of toolbar)
Toolkit::PushButton toggleScalingButton = Toolkit::PushButton::New();
- toggleScalingButton.SetProperty( Toolkit::Button::Property::UNSELECTED_BACKGROUND_VISUAL, TOGGLE_SCALING_IMAGE );
- toggleScalingButton.SetProperty( Toolkit::Button::Property::SELECTED_BACKGROUND_VISUAL, TOGGLE_SCALING_IMAGE_SELECTED );
- toggleScalingButton.ClickedSignal().Connect( this, &ImageScalingIrregularGridController::OnToggleScalingTouched );
- mToolBar.AddControl( toggleScalingButton, DemoHelper::DEFAULT_VIEW_STYLE.mToolBarButtonPercentage, Toolkit::Alignment::HorizontalRight, DemoHelper::DEFAULT_MODE_SWITCH_PADDING );
+ toggleScalingButton.SetProperty(Toolkit::Button::Property::UNSELECTED_BACKGROUND_VISUAL, TOGGLE_SCALING_IMAGE);
+ toggleScalingButton.SetProperty(Toolkit::Button::Property::SELECTED_BACKGROUND_VISUAL, TOGGLE_SCALING_IMAGE_SELECTED);
+ toggleScalingButton.ClickedSignal().Connect(this, &ImageScalingIrregularGridController::OnToggleScalingTouched);
+ mToolBar.AddControl(toggleScalingButton, DemoHelper::DEFAULT_VIEW_STYLE.mToolBarButtonPercentage, Toolkit::Alignment::HORIZONTAL_RIGHT, DemoHelper::DEFAULT_MODE_SWITCH_PADDING);
- SetTitle( APPLICATION_TITLE );
+ SetTitle(APPLICATION_TITLE);
mOffWindowImageViews = Actor::New();
- mOffWindowImageViews.SetProperty( Actor::Property::ANCHOR_POINT, AnchorPoint::CENTER );
- mOffWindowImageViews.SetProperty( Actor::Property::PARENT_ORIGIN,ParentOrigin::CENTER);
- mOffWindowImageViews.SetResizePolicy( ResizePolicy::FILL_TO_PARENT, Dimension::ALL_DIMENSIONS );
+ mOffWindowImageViews.SetProperty(Actor::Property::ANCHOR_POINT, AnchorPoint::CENTER);
+ mOffWindowImageViews.SetProperty(Actor::Property::PARENT_ORIGIN, ParentOrigin::CENTER);
+ mOffWindowImageViews.SetResizePolicy(ResizePolicy::FILL_TO_PARENT, Dimension::ALL_DIMENSIONS);
// Build the main content of the widow:
- PopulateContentLayer( DEFAULT_SCALING_MODE );
+ PopulateContentLayer(DEFAULT_SCALING_MODE);
}
/**
* Build the main part of the application's view.
*/
- void PopulateContentLayer( const Dali::FittingMode::Type fittingMode )
+ void PopulateContentLayer(const Dali::FittingMode::Type fittingMode)
{
- Window window = mApplication.GetWindow();
+ Window window = mApplication.GetWindow();
Vector2 windowSize = window.GetSize();
float fieldHeight;
- Actor imageField = BuildImageField( windowSize.x, GRID_WIDTH, GRID_MAX_HEIGHT, fittingMode, fieldHeight );
+ Actor imageField = BuildImageField(windowSize.x, GRID_WIDTH, GRID_MAX_HEIGHT, fittingMode, fieldHeight);
mScrollView = ScrollView::New();
- mScrollView.ScrollStartedSignal().Connect( this, &ImageScalingIrregularGridController::OnScrollStarted );
- mScrollView.ScrollCompletedSignal().Connect( this, &ImageScalingIrregularGridController::OnScrollCompleted );
+ mScrollView.ScrollStartedSignal().Connect(this, &ImageScalingIrregularGridController::OnScrollStarted);
+ mScrollView.ScrollCompletedSignal().Connect(this, &ImageScalingIrregularGridController::OnScrollCompleted);
- mScrollView.SetProperty( Actor::Property::ANCHOR_POINT,AnchorPoint::CENTER);
- mScrollView.SetProperty( Actor::Property::PARENT_ORIGIN,ParentOrigin::CENTER);
+ mScrollView.SetProperty(Actor::Property::ANCHOR_POINT, AnchorPoint::CENTER);
+ mScrollView.SetProperty(Actor::Property::PARENT_ORIGIN, ParentOrigin::CENTER);
- mScrollView.SetResizePolicy( ResizePolicy::FILL_TO_PARENT, Dimension::ALL_DIMENSIONS );
+ mScrollView.SetResizePolicy(ResizePolicy::FILL_TO_PARENT, Dimension::ALL_DIMENSIONS);
- mScrollView.SetAxisAutoLock( true );
- mScrollView.SetAxisAutoLockGradient( 1.0f );
+ mScrollView.SetAxisAutoLock(true);
+ mScrollView.SetAxisAutoLockGradient(1.0f);
// Restrict scrolling to mostly vertical only, but with some horizontal wiggle-room:
- RulerPtr rulerX = new FixedRuler( windowSize.width ); //< Pull the view back to the grid's centre-line when touch is release using a snapping ruler.
- rulerX->SetDomain( RulerDomain( windowSize.width * -0.125f, windowSize.width * 1.125f ) ); //< Scroll slightly left/right of image field.
- mScrollView.SetRulerX ( rulerX );
+ RulerPtr rulerX = new FixedRuler(windowSize.width); //< Pull the view back to the grid's centre-line when touch is release using a snapping ruler.
+ rulerX->SetDomain(RulerDomain(windowSize.width * -0.125f, windowSize.width * 1.125f)); //< Scroll slightly left/right of image field.
+ mScrollView.SetRulerX(rulerX);
RulerPtr rulerY = new DefaultRuler(); //< Snap in multiples of a screen / window height
- rulerY->SetDomain( RulerDomain( - fieldHeight * 0.5f + windowSize.height * 0.5f - GRID_CELL_PADDING, fieldHeight * 0.5f + windowSize.height * 0.5f + GRID_CELL_PADDING ) );
- mScrollView.SetRulerY ( rulerY );
+ rulerY->SetDomain(RulerDomain(-fieldHeight * 0.5f + windowSize.height * 0.5f - GRID_CELL_PADDING, fieldHeight * 0.5f + windowSize.height * 0.5f + GRID_CELL_PADDING));
+ mScrollView.SetRulerY(rulerY);
- mContentLayer.Add( mScrollView );
- mScrollView.Add( imageField );
+ mContentLayer.Add(mScrollView);
+ mScrollView.Add(imageField);
mGridActor = imageField;
// Create the scroll bar
- mScrollBarVertical = ScrollBar::New(Toolkit::ScrollBar::Vertical);
- mScrollBarVertical.SetProperty( Actor::Property::PARENT_ORIGIN,ParentOrigin::TOP_RIGHT);
- mScrollBarVertical.SetProperty( Actor::Property::ANCHOR_POINT,AnchorPoint::TOP_RIGHT);
+ mScrollBarVertical = ScrollBar::New(Toolkit::ScrollBar::VERTICAL);
+ mScrollBarVertical.SetProperty(Actor::Property::PARENT_ORIGIN, ParentOrigin::TOP_RIGHT);
+ mScrollBarVertical.SetProperty(Actor::Property::ANCHOR_POINT, AnchorPoint::TOP_RIGHT);
mScrollBarVertical.SetResizePolicy(Dali::ResizePolicy::FILL_TO_PARENT, Dali::Dimension::HEIGHT);
mScrollBarVertical.SetResizePolicy(Dali::ResizePolicy::FIT_TO_CHILDREN, Dali::Dimension::WIDTH);
mScrollView.Add(mScrollBarVertical);
- mScrollBarHorizontal = ScrollBar::New(Toolkit::ScrollBar::Horizontal);
- mScrollBarHorizontal.SetProperty( Actor::Property::PARENT_ORIGIN,ParentOrigin::BOTTOM_LEFT);
- mScrollBarHorizontal.SetProperty( Actor::Property::ANCHOR_POINT,AnchorPoint::TOP_LEFT);
+ mScrollBarHorizontal = ScrollBar::New(Toolkit::ScrollBar::HORIZONTAL);
+ mScrollBarHorizontal.SetProperty(Actor::Property::PARENT_ORIGIN, ParentOrigin::BOTTOM_LEFT);
+ mScrollBarHorizontal.SetProperty(Actor::Property::ANCHOR_POINT, AnchorPoint::TOP_LEFT);
mScrollBarHorizontal.SetResizePolicy(Dali::ResizePolicy::FIT_TO_CHILDREN, Dali::Dimension::WIDTH);
- mScrollBarHorizontal.SetProperty( Actor::Property::ORIENTATION, Quaternion( Quaternion( Radian( 1.5f * Math::PI ), Vector3::ZAXIS) ) );
+ mScrollBarHorizontal.SetProperty(Actor::Property::ORIENTATION, Quaternion(Quaternion(Radian(1.5f * Math::PI), Vector3::ZAXIS)));
mScrollView.Add(mScrollBarHorizontal);
- mScrollView.OnRelayoutSignal().Connect( this, &ImageScalingIrregularGridController::OnScrollViewRelayout );
+ mScrollView.OnRelayoutSignal().Connect(this, &ImageScalingIrregularGridController::OnScrollViewRelayout);
// Scroll to top of grid so first images loaded are on-screen:
- mScrollView.ScrollTo( Vector2( 0, -1000000 ) );
+ mScrollView.ScrollTo(Vector2(0, -1000000));
}
void OnScrollViewRelayout(Actor actor)
{
// Make the height of the horizontal scroll bar to be the same as the width of scroll view.
- mScrollBarHorizontal.SetProperty( Actor::Property::SIZE, Vector2(0.0f, mScrollView.GetRelayoutSize( Dimension::WIDTH) ));
+ mScrollBarHorizontal.SetProperty(Actor::Property::SIZE, Vector2(0.0f, mScrollView.GetRelayoutSize(Dimension::WIDTH)));
}
/**
* through square, to very tall. The images are direct children of the Dali::Actor
* returned.
**/
- Actor BuildImageField( const float fieldWidth,
- const unsigned gridWidth,
- const unsigned maxGridHeight,
- Dali::FittingMode::Type fittingMode,
- float & outFieldHeight )
+ Actor BuildImageField(const float fieldWidth,
+ const unsigned gridWidth,
+ const unsigned maxGridHeight,
+ Dali::FittingMode::Type fittingMode,
+ float& outFieldHeight)
{
// Generate the list of image configurations to be fitted into the field:
std::vector<ImageConfiguration> configurations;
- configurations.reserve( NUM_IMAGE_PATHS * NUM_IMAGE_SIZES );
- for( unsigned imageIndex = 0; imageIndex < NUM_IMAGE_PATHS; ++imageIndex )
+ configurations.reserve(NUM_IMAGE_PATHS * NUM_IMAGE_SIZES);
+ for(unsigned imageIndex = 0; imageIndex < NUM_IMAGE_PATHS; ++imageIndex)
{
- for( unsigned dimensionsIndex = 0; dimensionsIndex < NUM_IMAGE_SIZES; ++ dimensionsIndex )
+ for(unsigned dimensionsIndex = 0; dimensionsIndex < NUM_IMAGE_SIZES; ++dimensionsIndex)
{
- configurations.push_back( ImageConfiguration( IMAGE_PATHS[imageIndex], IMAGE_SIZES[dimensionsIndex] ) );
+ configurations.push_back(ImageConfiguration(IMAGE_PATHS[imageIndex], IMAGE_SIZES[dimensionsIndex]));
}
}
// Stir-up the list to get some nice irregularity in the generated field:
- std::random_shuffle( configurations.begin(), configurations.end() );
- std::random_shuffle( configurations.begin(), configurations.end() );
+ unsigned int seed = std::chrono::system_clock::now().time_since_epoch().count();
+ std::shuffle(configurations.begin(), configurations.end(), std::default_random_engine(seed));
+ seed = std::chrono::system_clock::now().time_since_epoch().count();
+ std::shuffle(configurations.begin(), configurations.end(), std::default_random_engine(seed));
// Place the images in the grid:
- std::vector<ImageConfiguration>::iterator config, end;
- GridFlags grid( gridWidth, maxGridHeight );
+ GridFlags grid(gridWidth, maxGridHeight);
std::vector<PositionedImage> placedImages;
- for( config = configurations.begin(), end = configurations.end(); config != end; ++config )
+ for(std::vector<ImageConfiguration>::iterator config = configurations.begin(), end = configurations.end(); config != end; ++config)
{
unsigned cellX, cellY;
- Vector2 imageGridDims;
+ Vector2 imageGridDims;
// Allocate a region of the grid for the image:
- bool allocated = grid.AllocateRegion( config->dimensions, cellX, cellY, imageGridDims );
- if( !allocated )
+ bool allocated = grid.AllocateRegion(config->dimensions, cellX, cellY, imageGridDims);
+ if(!allocated)
{
#ifdef DEBUG_PRINT_DIAGNOSTICS
- fprintf( stderr, "Failed to allocate image in grid with dims (%f, %f) and path: %s.\n", config->dimensions.x, config->dimensions.y, config->path );
+ fprintf(stderr, "Failed to allocate image in grid with dims (%f, %f) and path: %s.\n", config->dimensions.x, config->dimensions.y, config->path);
#endif
continue;
}
- placedImages.push_back( PositionedImage( *config, cellX, cellY, imageGridDims ) );
+ placedImages.push_back(PositionedImage(*config, cellX, cellY, imageGridDims));
}
- DALI_ASSERT_DEBUG( grid.DebugCheckGridValid() && "Cells were set more than once, indicating erroneous overlap in placing images on the grid." );
+ DALI_ASSERT_DEBUG(grid.DebugCheckGridValid() && "Cells were set more than once, indicating erroneous overlap in placing images on the grid.");
const unsigned actualGridHeight = grid.GetHighestUsedRow() + 1;
// Take the images images in the grid and turn their logical locations into
// coordinates in a frame defined by a parent actor:
Actor gridActor = Actor::New();
- gridActor.SetResizePolicy( ResizePolicy::FILL_TO_PARENT, Dimension::ALL_DIMENSIONS );
- gridActor.SetProperty( Actor::Property::PARENT_ORIGIN, ParentOrigin::CENTER );
- gridActor.SetProperty( Actor::Property::ANCHOR_POINT, AnchorPoint::CENTER );
+ gridActor.SetResizePolicy(ResizePolicy::FILL_TO_PARENT, Dimension::ALL_DIMENSIONS);
+ gridActor.SetProperty(Actor::Property::PARENT_ORIGIN, ParentOrigin::CENTER);
+ gridActor.SetProperty(Actor::Property::ANCHOR_POINT, AnchorPoint::CENTER);
// Work out the constants of the grid and cell dimensions and positions:
- const float cellWidth = fieldWidth / gridWidth;
- const float cellHeight = cellWidth / CELL_ASPECT_RATIO;
- const Vector2 cellSize = Vector2( cellWidth, cellHeight );
- outFieldHeight = actualGridHeight * cellHeight;
- const Vector2 gridOrigin = Vector2( -fieldWidth * 0.5f, -outFieldHeight * 0.5 );
+ const float cellWidth = fieldWidth / gridWidth;
+ const float cellHeight = cellWidth / CELL_ASPECT_RATIO;
+ const Vector2 cellSize = Vector2(cellWidth, cellHeight);
+ outFieldHeight = actualGridHeight * cellHeight;
+ const Vector2 gridOrigin = Vector2(-fieldWidth * 0.5f, -outFieldHeight * 0.5);
- unsigned int count = 0;
+ unsigned int count = 0;
// Build the image actors in their right locations in their parent's frame:
- for( std::vector<PositionedImage>::const_iterator i = placedImages.begin(), end = placedImages.end(); i != end; ++i, ++count )
+ for(std::vector<PositionedImage>::const_iterator i = placedImages.begin(), end = placedImages.end(); i != end; ++i, ++count)
{
- const PositionedImage& imageSource = *i;
- const Vector2 imageSize = imageSource.imageGridDims * cellSize - Vector2( GRID_CELL_PADDING * 2, GRID_CELL_PADDING * 2 );
- const Vector2 imageRegionCorner = gridOrigin + cellSize * Vector2( imageSource.cellX, imageSource.cellY );
- const Vector2 imagePosition = imageRegionCorner + Vector2( GRID_CELL_PADDING , GRID_CELL_PADDING ) + imageSize * 0.5f;
-
- ImageView image = CreateImageView( imageSource.configuration.path, imageSize.x, imageSize.y, fittingMode );
- image.SetProperty( Actor::Property::POSITION, Vector3( imagePosition.x, imagePosition.y, 0 ) );
- image.SetProperty( Actor::Property::SIZE, imageSize );
- image.TouchSignal().Connect( this, &ImageScalingIrregularGridController::OnTouchImage );
- image.ResourceReadySignal().Connect( this, &ImageScalingIrregularGridController::ResourceReadySignal );
- mFittingModes[image.GetProperty< int >( Actor::Property::ID )] = fittingMode;
- mResourceUrls[image.GetProperty< int >( Actor::Property::ID )] = imageSource.configuration.path;
- mSizes[image.GetProperty< int >( Actor::Property::ID )] = imageSize;
- if ( count < INITIAL_IMAGES_TO_LOAD )
+ const PositionedImage& imageSource = *i;
+ const Vector2 imageSize = imageSource.imageGridDims * cellSize - Vector2(GRID_CELL_PADDING * 2, GRID_CELL_PADDING * 2);
+ const Vector2 imageRegionCorner = gridOrigin + cellSize * Vector2(imageSource.cellX, imageSource.cellY);
+ const Vector2 imagePosition = imageRegionCorner + Vector2(GRID_CELL_PADDING, GRID_CELL_PADDING) + imageSize * 0.5f;
+
+ ImageView image = CreateImageView(imageSource.configuration.path, imageSize.x, imageSize.y, fittingMode);
+ image.SetProperty(Actor::Property::POSITION, Vector3(imagePosition.x, imagePosition.y, 0));
+ image.SetProperty(Actor::Property::SIZE, imageSize);
+ image.TouchedSignal().Connect(this, &ImageScalingIrregularGridController::OnTouchImage);
+ image.ResourceReadySignal().Connect(this, &ImageScalingIrregularGridController::ResourceReadySignal);
+ mFittingModes[image.GetProperty<int>(Actor::Property::ID)] = fittingMode;
+ mResourceUrls[image.GetProperty<int>(Actor::Property::ID)] = imageSource.configuration.path;
+ mSizes[image.GetProperty<int>(Actor::Property::ID)] = imageSize;
+ if(count < INITIAL_IMAGES_TO_LOAD)
{
- gridActor.Add( image );
+ gridActor.Add(image);
}
else
{
// Store the ImageView in an offwindow actor until the inital batch of ImageViews have finished loading their images
// Required
- mOffWindowImageViews.Add( image );
+ mOffWindowImageViews.Add(image);
}
}
return gridActor;
}
- /**
+ /**
* Upon Touching an image (Release), change its scaling mode and make it spin, provided we're not scrolling.
* @param[in] actor The actor touched
* @param[in] event The Touch information.
*/
- bool OnTouchImage( Actor actor, const TouchData& event )
+ bool OnTouchImage(Actor actor, const TouchEvent& event)
{
- if( ( event.GetPointCount() > 0 ) && ( !mScrolling ) )
+ if((event.GetPointCount() > 0) && (!mScrolling))
{
- if( event.GetState( 0 ) == PointState::UP )
+ if(event.GetState(0) == PointState::UP)
{
// Spin the image a few times:
Animation animation = Animation::New(SPIN_DURATION);
- animation.AnimateBy( Property( actor, Actor::Property::ORIENTATION ), Quaternion( Radian( Degree(360.0f * SPIN_DURATION) ), Vector3::XAXIS ), AlphaFunction::EASE_OUT );
+ animation.AnimateBy(Property(actor, Actor::Property::ORIENTATION), Quaternion(Radian(Degree(360.0f * SPIN_DURATION)), Vector3::XAXIS), AlphaFunction::EASE_OUT);
animation.Play();
// Change the scaling mode:
- const unsigned id = actor.GetProperty< int >( Actor::Property::ID );
- Dali::FittingMode::Type newMode = NextMode( mFittingModes[id] );
- const Vector2 imageSize = mSizes[actor.GetProperty< int >( Actor::Property::ID )];
+ const unsigned id = actor.GetProperty<int>(Actor::Property::ID);
+ Dali::FittingMode::Type newMode = NextMode(mFittingModes[id]);
+ const Vector2 imageSize = mSizes[actor.GetProperty<int>(Actor::Property::ID)];
- ImageView imageView = ImageView::DownCast( actor );
- if( imageView)
+ ImageView imageView = ImageView::DownCast(actor);
+ if(imageView)
{
Property::Map map;
- map[Visual::Property::TYPE] = Visual::IMAGE;
- map[ImageVisual::Property::URL] = mResourceUrls[id];
- map[ImageVisual::Property::DESIRED_WIDTH] = imageSize.width + 0.5f;
- map[ImageVisual::Property::DESIRED_HEIGHT] = imageSize.height + 0.5f;
- map[ImageVisual::Property::FITTING_MODE] = newMode;
- imageView.SetProperty( ImageView::Property::IMAGE, map );
+ map[Visual::Property::TYPE] = Visual::IMAGE;
+ map[ImageVisual::Property::URL] = mResourceUrls[id];
+ map[ImageVisual::Property::DESIRED_WIDTH] = imageSize.width + 0.5f;
+ map[ImageVisual::Property::DESIRED_HEIGHT] = imageSize.height + 0.5f;
+ map[ImageVisual::Property::FITTING_MODE] = newMode;
+ imageView.SetProperty(ImageView::Property::IMAGE, map);
}
mFittingModes[id] = newMode;
return false;
}
- /**
+ /**
* Main key event handler.
* Quit on escape key.
*/
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();
}
}
}
- /**
+ /**
* Signal handler, called when the 'Scaling' button has been touched.
*
* @param[in] button The button that was pressed.
*/
- bool OnToggleScalingTouched( Button button )
+ bool OnToggleScalingTouched(Button button)
{
const unsigned numChildren = mGridActor.GetChildCount();
- for( unsigned i = 0; i < numChildren; ++i )
+ for(unsigned i = 0; i < numChildren; ++i)
{
- ImageView gridImageView = ImageView::DownCast( mGridActor.GetChildAt( i ) );
- if( gridImageView )
+ ImageView gridImageView = ImageView::DownCast(mGridActor.GetChildAt(i));
+ if(gridImageView)
{
// Cycle the scaling mode options:
- unsigned int id = gridImageView.GetProperty< int >( Actor::Property::ID );
+ unsigned int id = gridImageView.GetProperty<int>(Actor::Property::ID);
- const Vector2 imageSize = mSizes[ id ];
- Dali::FittingMode::Type newMode = NextMode( mFittingModes[ id ] );
+ const Vector2 imageSize = mSizes[id];
+ Dali::FittingMode::Type newMode = NextMode(mFittingModes[id]);
Property::Map map;
- map[Visual::Property::TYPE] = Visual::IMAGE;
- map[ImageVisual::Property::URL] = mResourceUrls[id];
- map[ImageVisual::Property::DESIRED_WIDTH] = imageSize.width;
- map[ImageVisual::Property::DESIRED_HEIGHT] = imageSize.height;
- map[ImageVisual::Property::FITTING_MODE] = newMode;
- gridImageView.SetProperty( ImageView::Property::IMAGE, map );
-
+ map[Visual::Property::TYPE] = Visual::IMAGE;
+ map[ImageVisual::Property::URL] = mResourceUrls[id];
+ map[ImageVisual::Property::DESIRED_WIDTH] = imageSize.width;
+ map[ImageVisual::Property::DESIRED_HEIGHT] = imageSize.height;
+ map[ImageVisual::Property::FITTING_MODE] = newMode;
+ gridImageView.SetProperty(ImageView::Property::IMAGE, map);
+ mFittingModes[id] = newMode;
- mFittingModes[ id ] = newMode;
-
- SetTitle( std::string( newMode == FittingMode::SHRINK_TO_FIT ? "SHRINK_TO_FIT" : newMode == FittingMode::SCALE_TO_FILL ? "SCALE_TO_FILL" : newMode == FittingMode::FIT_WIDTH ? "FIT_WIDTH" : "FIT_HEIGHT" ) );
+ SetTitle(std::string(newMode == FittingMode::SHRINK_TO_FIT ? "SHRINK_TO_FIT" : newMode == FittingMode::SCALE_TO_FILL ? "SCALE_TO_FILL"
+ : newMode == FittingMode::FIT_WIDTH ? "FIT_WIDTH"
+ : "FIT_HEIGHT"));
}
}
return true;
{
if(!mTitleActor)
{
- mTitleActor = DemoHelper::CreateToolBarLabel( "" );
+ mTitleActor = DemoHelper::CreateToolBarLabel("");
// Add title to the tool bar.
- mToolBar.AddControl( mTitleActor, DemoHelper::DEFAULT_VIEW_STYLE.mToolBarTitlePercentage, Alignment::HorizontalCenter );
+ mToolBar.AddControl(mTitleActor, DemoHelper::DEFAULT_VIEW_STYLE.mToolBarTitlePercentage, Alignment::HORIZONTAL_CENTER);
}
- mTitleActor.SetProperty( TextLabel::Property::TEXT, title );
+ mTitleActor.SetProperty(TextLabel::Property::TEXT, title);
}
/**
* note this state (mScrolling = true)
* @param[in] position Current Scroll Position
*/
- void OnScrollStarted( const Vector2& position )
+ void OnScrollStarted(const Vector2& position)
{
mScrolling = true;
}
* note this state (mScrolling = false).
* @param[in] position Current Scroll Position
*/
- void OnScrollCompleted( const Vector2& position )
+ void OnScrollCompleted(const Vector2& position)
{
mScrolling = false;
}
private:
- Application& mApplication;
-
- Layer mContentLayer; ///< The content layer (contains non gui chrome actors)
- Toolkit::Control mView; ///< The View instance.
- Toolkit::ToolBar mToolBar; ///< The View's Toolbar.
- TextLabel mTitleActor; ///< The Toolbar's Title.
- Actor mGridActor; ///< The container for the grid of images
- Actor mOffWindowImageViews; ///< ImageViews held off window until the inital batch have loaded their images
- ScrollView mScrollView; ///< ScrollView UI Component
- ScrollBar mScrollBarVertical;
- ScrollBar mScrollBarHorizontal;
- bool mScrolling; ///< ScrollView scrolling state (true = scrolling, false = stationary)
+ Application& mApplication;
+
+ Layer mContentLayer; ///< The content layer (contains non gui chrome actors)
+ Toolkit::Control mView; ///< The View instance.
+ Toolkit::ToolBar mToolBar; ///< The View's Toolbar.
+ TextLabel mTitleActor; ///< The Toolbar's Title.
+ Actor mGridActor; ///< The container for the grid of images
+ Actor mOffWindowImageViews; ///< ImageViews held off window until the inital batch have loaded their images
+ ScrollView mScrollView; ///< ScrollView UI Component
+ ScrollBar mScrollBarVertical;
+ ScrollBar mScrollBarHorizontal;
+ bool mScrolling; ///< ScrollView scrolling state (true = scrolling, false = stationary)
std::map<unsigned, Dali::FittingMode::Type> mFittingModes; ///< Stores the current scaling mode of each image, keyed by image actor id.
- std::map<unsigned, std::string> mResourceUrls; ///< Stores the url of each image, keyed by image actor id.
- std::map<unsigned, Vector2> mSizes; ///< Stores the current size of each image, keyed by image actor id.
- unsigned int mImagesLoaded; ///< How many images have been loaded
+ std::map<unsigned, std::string> mResourceUrls; ///< Stores the url of each image, keyed by image actor id.
+ std::map<unsigned, Vector2> mSizes; ///< Stores the current size of each image, keyed by image actor id.
+ unsigned int mImagesLoaded; ///< How many images have been loaded
};
-int DALI_EXPORT_API main( int argc, char **argv )
+int DALI_EXPORT_API main(int argc, char** argv)
{
- Application application = Application::New( &argc, &argv, DEMO_THEME_PATH );
- ImageScalingIrregularGridController test( application );
+ Application application = Application::New(&argc, &argv, DEMO_THEME_PATH);
+ ImageScalingIrregularGridController test(application);
application.MainLoop();
return 0;
}