2 * Copyright (c) 2016 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/dali.h>
19 #include <dali-toolkit/dali-toolkit.h>
20 #include <dali-toolkit/devel-api/image-atlas/image-atlas.h>
21 #include <dali-toolkit/devel-api/controls/page-turn-view/page-factory.h>
22 #include <dali-toolkit/devel-api/controls/page-turn-view/page-turn-landscape-view.h>
23 #include <dali-toolkit/devel-api/controls/page-turn-view/page-turn-portrait-view.h>
24 #include <dali-toolkit/devel-api/controls/page-turn-view/page-turn-view.h>
25 #include <dali/devel-api/images/atlas.h>
32 #include "shared/view.h"
33 #include "shared/utility.h"
36 using namespace Dali::Toolkit;
41 const char* const CHANGE_IMAGE_ICON(DEMO_IMAGE_DIR "icon-change.png");
42 const char* const CHANGE_IMAGE_ICON_SELECTED( DEMO_IMAGE_DIR "icon-change-selected.png" );
44 // The content amount of one page between portrait and landscape view are different
45 // set a ratio to modify the current page number when the rotation is changed
46 const float PAGE_NUMBER_CORRESPONDING_RATIO(1.25f);
48 const char* BOOK_COVER_PORTRAIT( DEMO_IMAGE_DIR "book-portrait-cover.jpg" );
49 const char* BOOK_COVER_LANDSCAPE( DEMO_IMAGE_DIR "book-landscape-cover.jpg" );
50 const char* BOOK_COVER_BACK_LANDSCAPE( DEMO_IMAGE_DIR "book-landscape-cover-back.jpg" );
52 const char* PAGE_IMAGES_PORTRAIT[] =
54 DEMO_IMAGE_DIR "book-portrait-p1.jpg",
55 DEMO_IMAGE_DIR "book-portrait-p2.jpg",
56 DEMO_IMAGE_DIR "book-portrait-p3.jpg",
57 DEMO_IMAGE_DIR "book-portrait-p4.jpg",
58 DEMO_IMAGE_DIR "book-portrait-p5.jpg"
60 const unsigned int NUMBER_OF_PORTRAIT_IMAGE( sizeof(PAGE_IMAGES_PORTRAIT) / sizeof(PAGE_IMAGES_PORTRAIT[0]) );
62 const char* PAGE_IMAGES_LANDSCAPE[] =
64 DEMO_IMAGE_DIR "book-landscape-p1.jpg",
65 DEMO_IMAGE_DIR "book-landscape-p2.jpg",
66 DEMO_IMAGE_DIR "book-landscape-p3.jpg",
67 DEMO_IMAGE_DIR "book-landscape-p4.jpg",
68 DEMO_IMAGE_DIR "book-landscape-p5.jpg",
69 DEMO_IMAGE_DIR "book-landscape-p6.jpg",
70 DEMO_IMAGE_DIR "book-landscape-p7.jpg",
71 DEMO_IMAGE_DIR "book-landscape-p8.jpg"
73 const unsigned int NUMBER_OF_LANDSCAPE_IMAGE( sizeof(PAGE_IMAGES_LANDSCAPE) / sizeof(PAGE_IMAGES_LANDSCAPE[0]) );
75 Atlas LoadImages( const char*imagePath1, const char* imagePath2 )
77 PixelData pixelData1 = DemoHelper::LoadPixelData( imagePath1, ImageDimensions(), FittingMode::DEFAULT, SamplingMode::DEFAULT );
78 PixelData pixelData2 = DemoHelper::LoadPixelData( imagePath2, ImageDimensions(), FittingMode::DEFAULT, SamplingMode::DEFAULT );
80 unsigned int width = pixelData1.GetWidth()+pixelData2.GetWidth();
81 unsigned int height = pixelData1.GetHeight() > pixelData2.GetHeight() ? pixelData1.GetHeight() : pixelData2.GetHeight();
83 Atlas image = Atlas::New( width, height );
84 image.Upload( pixelData1, 0u, 0u );
85 image.Upload( pixelData2, pixelData1.GetWidth(), 0u );
92 class PortraitPageFactory : public PageFactory
95 * Query the number of pages available from the factory.
96 * The maximum available page has an ID of GetNumberOfPages()-1.
98 virtual unsigned int GetNumberOfPages()
100 return 10*NUMBER_OF_PORTRAIT_IMAGE + 1;
103 * Create an image to represent a page.
104 * @param[in] pageId The ID of the page to create.
105 * @return An image, or an uninitialized pointer if the ID is out of range.
107 virtual Image NewPage( unsigned int pageId )
113 page = DemoHelper::LoadImage( BOOK_COVER_PORTRAIT );
117 page = DemoHelper::LoadImage( PAGE_IMAGES_PORTRAIT[ (pageId-1) % NUMBER_OF_PORTRAIT_IMAGE ] );
124 class LandscapePageFactory : public PageFactory
128 * Query the number of pages available from the factory.
129 * The maximum available page has an ID of GetNumberOfPages()-1.
131 virtual unsigned int GetNumberOfPages()
133 return 10*NUMBER_OF_LANDSCAPE_IMAGE / 2 + 1;
136 * Create an image to represent a page.
137 * @param[in] pageId The ID of the page to create.
138 * @return An image, or an uninitialized pointer if the ID is out of range.
140 virtual Image NewPage( unsigned int pageId )
146 page = LoadImages( BOOK_COVER_LANDSCAPE, BOOK_COVER_BACK_LANDSCAPE );
150 unsigned int imageId = (pageId-1)*2;
151 page = LoadImages( PAGE_IMAGES_LANDSCAPE[ imageId % NUMBER_OF_LANDSCAPE_IMAGE ], PAGE_IMAGES_LANDSCAPE[ (imageId+1) % NUMBER_OF_LANDSCAPE_IMAGE ] );
159 * This example shows how to use the page turn UI control to implement the page-turn demo
160 * The effect follows the pan gesture to animate the page
161 * Pan the image inwards, the page will bent,
162 * Depends on the distance of the panning, the image might turn over or slide back
163 * Also, in portrait view, the pan gesture outwards from position near the spine could turn the previous page back
164 * Allows to turn multiple pages one by one quickly towards the same direction, multiple animations are launched in this case
166 class PageTurnController : public ConnectionTracker
169 PageTurnController( Application &app );
170 ~PageTurnController();
172 //This method gets called once the main loop of application is up and running
173 void OnInit( Application& app );
178 * This method gets called when the button is clicked, switch between portrait and landscape views
180 bool OnButtonClicked(Toolkit::Button button);
183 * Main key event handler
185 void OnKeyEvent(const KeyEvent& event);
188 * Callback function of page turned signal
189 * @param[in] pageTurnView The handle of the PageTurnPortraitView or PageTurnLandscapeView
190 * @param[in] pageIndex The index of the page turned over
191 * @param[in] isTurningForward The turning direction, forwards or backwards
193 void OnPageStartedTurn( PageTurnView pageTurnView, unsigned int pageIndex, bool isTurningForward );
196 * Callback function of page turned signal
197 * @param[in] pageTurnView The handle of the PageTurnPortraitView or PageTurnLandscapeView
198 * @param[in] pageIndex The index of the page turned over
199 * @param[in] isTurningForward The turning direction, forwards or backwards
201 void OnPageFinishedTurn( PageTurnView pageTurnView, unsigned int pageIndex, bool isTurningForward );
204 * Callback function of page started pan signal
206 * @param[in] pageTurnView The calling page turn view
208 void OnPageStartedPan( PageTurnView pageTurnView );
211 * Callback function of page finished pan signal
213 * @param[in] pageTurnView The calling page turn view
215 void OnPageFinishedPan( PageTurnView pageTurnView );
219 Application& mApplication;
222 PageTurnView mPageTurnPortraitView;
223 PageTurnView mPageTurnLandscapeView;
224 PortraitPageFactory mPortraitPageFactory;
225 LandscapePageFactory mLandscapePageFactory;
230 PageTurnController::PageTurnController( Application &app )
231 :mApplication( app ),
234 // Connect to the Application's Init signal
235 app.InitSignal().Connect( this, &PageTurnController::OnInit );
238 PageTurnController::~PageTurnController()
243 void PageTurnController::OnInit( Application& app )
245 // The Init signal is received once ( only ) during the Application lifetime
247 Stage::GetCurrent().KeyEventSignal().Connect(this, &PageTurnController::OnKeyEvent);
249 // Hide the indicator bar
250 app.GetWindow().ShowIndicator( Dali::Window::INVISIBLE );
252 Stage stage = Stage::GetCurrent();
253 Vector2 stageSize = stage.GetSize();
255 mButtonLayer = Layer::New();
256 mButtonLayer.SetAnchorPoint( Dali::AnchorPoint::CENTER );
257 mButtonLayer.SetParentOrigin( Dali::ParentOrigin::CENTER );
258 mButtonLayer.SetResizePolicy( ResizePolicy::FILL_TO_PARENT, Dimension::ALL_DIMENSIONS );
259 Toolkit::PushButton button = Toolkit::PushButton::New();
260 button.SetAnchorPoint( AnchorPoint::TOP_RIGHT );
261 button.SetParentOrigin( ParentOrigin::TOP_RIGHT );
262 button.SetUnselectedImage( CHANGE_IMAGE_ICON );
263 button.SetSelectedImage( CHANGE_IMAGE_ICON_SELECTED );
264 button.SetLeaveRequired( true );
265 button.SetScale(1.5f);
266 button.PressedSignal().Connect( this, &PageTurnController::OnButtonClicked );
267 stage.Add( mButtonLayer );
268 mButtonLayer.Add(button);
270 Vector2 bookSize( stageSize.x > stageSize.y ? stageSize.y : stageSize.x,
271 stageSize.x > stageSize.y ? stageSize.x : stageSize.y );
273 mPageTurnPortraitView = PageTurnPortraitView::New( mPortraitPageFactory, bookSize );
274 mPageTurnPortraitView.SetParentOrigin( ParentOrigin::CENTER );
275 mPageTurnPortraitView.SetAnchorPoint( AnchorPoint::CENTER );
276 mPageTurnPortraitView.SetProperty( PageTurnView::Property::SPINE_SHADOW, Vector2(70.f, 30.f) );
277 mPageTurnPortraitView.PageTurnStartedSignal().Connect( this, &PageTurnController::OnPageStartedTurn );
278 mPageTurnPortraitView.PageTurnFinishedSignal().Connect( this, &PageTurnController::OnPageFinishedTurn );
279 mPageTurnPortraitView.PagePanStartedSignal().Connect( this, &PageTurnController::OnPageStartedPan );
280 mPageTurnPortraitView.PagePanFinishedSignal().Connect( this, &PageTurnController::OnPageFinishedPan );
282 mPageTurnLandscapeView = PageTurnLandscapeView::New( mLandscapePageFactory, Vector2(bookSize.y*0.5f, bookSize.x) );
283 mPageTurnLandscapeView.SetParentOrigin( ParentOrigin::CENTER );
284 mPageTurnLandscapeView.SetAnchorPoint( AnchorPoint::CENTER );
285 mPageTurnLandscapeView.PageTurnStartedSignal().Connect( this, &PageTurnController::OnPageStartedTurn );
286 mPageTurnLandscapeView.PageTurnFinishedSignal().Connect( this, &PageTurnController::OnPageFinishedTurn );
287 mPageTurnLandscapeView.PagePanStartedSignal().Connect( this, &PageTurnController::OnPageStartedPan );
288 mPageTurnLandscapeView.PagePanFinishedSignal().Connect( this, &PageTurnController::OnPageFinishedPan );
290 if( stageSize.x > stageSize.y )
292 stage.Add(mPageTurnLandscapeView);
293 mPageTurnPortraitView.SetOrientation(Degree(90.f), Vector3::ZAXIS);
298 stage.Add(mPageTurnPortraitView);
299 mPageTurnLandscapeView.SetOrientation(Degree(90.f), Vector3::ZAXIS);
303 mButtonLayer.RaiseToTop();
306 bool PageTurnController::OnButtonClicked(Toolkit::Button button)
310 mPageTurnPortraitView.Unparent();
311 Stage::GetCurrent().Add( mPageTurnLandscapeView );
312 int pageId = mPageTurnPortraitView.GetProperty( PageTurnView::Property::CURRENT_PAGE_ID ).Get<int>();
313 int currentPage = ceil( static_cast<float>(pageId) / PAGE_NUMBER_CORRESPONDING_RATIO );
314 mPageTurnLandscapeView.SetProperty(PageTurnView::Property::CURRENT_PAGE_ID, currentPage );
318 mPageTurnLandscapeView.Unparent();
319 Stage::GetCurrent().Add( mPageTurnPortraitView );
320 int pageId = mPageTurnLandscapeView.GetProperty( PageTurnView::Property::CURRENT_PAGE_ID ).Get<int>();
321 int currentPage = floor(pageId * PAGE_NUMBER_CORRESPONDING_RATIO );
322 mPageTurnPortraitView.SetProperty(PageTurnView::Property::CURRENT_PAGE_ID, currentPage );
325 mIsPortrait = !mIsPortrait;
326 mButtonLayer.RaiseToTop();
331 * Main key event handler
333 void PageTurnController::OnKeyEvent(const KeyEvent& event)
335 if(event.state == KeyEvent::Down)
337 if( IsKey( event, Dali::DALI_KEY_ESCAPE) || IsKey( event, Dali::DALI_KEY_BACK) )
344 void PageTurnController::OnPageStartedTurn( PageTurnView pageTurnView, unsigned int pageIndex, bool isTurningForward )
346 std::cout<< ( ( pageTurnView == mPageTurnPortraitView ) ? " portrait: " : " Landscape: " )
347 << " page " << pageIndex
348 << ( isTurningForward ? " is starting to turn forward" : " is starting to turn backward" )
352 void PageTurnController::OnPageFinishedTurn( PageTurnView pageTurnView, unsigned int pageIndex, bool isTurningForward )
354 std::cout<< ( ( pageTurnView == mPageTurnPortraitView ) ? " portrait: " : " Landscape: " )
355 << " page " << pageIndex
356 << ( isTurningForward ? " has finished turning forward" : " has finished turning backward" )
360 void PageTurnController::OnPageStartedPan( PageTurnView pageTurnView )
362 std::cout<< "Starting to pan" << std::endl;
365 void PageTurnController::OnPageFinishedPan( PageTurnView pageTurnView )
367 std::cout<< "Finished panning" << std::endl;
370 // Entry point for applications
371 int DALI_EXPORT_API main( int argc, char **argv )
373 Application app = Application::New(&argc, &argv, DEMO_THEME_PATH);
374 PageTurnController test ( app );