2 * Copyright (c) 2014 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>
27 #include "shared/view.h"
30 using namespace Dali::Toolkit;
35 const char* const CHANGE_IMAGE_ICON(DEMO_IMAGE_DIR "icon-change.png");
36 const char* const CHANGE_IMAGE_ICON_SELECTED( DEMO_IMAGE_DIR "icon-change-selected.png" );
38 // The content amount of one page between portrait and landscape view are different
39 // set a ratio to modify the current page number when the rotation is changed
40 const float PAGE_NUMBER_CORRESPONDING_RATIO(1.25f);
42 const char* BOOK_COVER_PORTRAIT = ( DEMO_IMAGE_DIR "book-portrait-cover.jpg" );
43 const char* BOOK_COVER_LANDSCAPE = ( DEMO_IMAGE_DIR "book-landscape-cover.jpg" );
44 const char* BOOK_COVER_BACK_LANDSCAPE = ( DEMO_IMAGE_DIR "book-landscape-cover-back.jpg" );
46 const char* PAGE_IMAGES_PORTRAIT[] =
48 DEMO_IMAGE_DIR "book-portrait-p1.jpg",
49 DEMO_IMAGE_DIR "book-portrait-p2.jpg",
50 DEMO_IMAGE_DIR "book-portrait-p3.jpg",
51 DEMO_IMAGE_DIR "book-portrait-p4.jpg",
52 DEMO_IMAGE_DIR "book-portrait-p5.jpg"
54 const unsigned int NUMBER_OF_PORTRAIT_IMAGE( sizeof(PAGE_IMAGES_PORTRAIT) / sizeof(PAGE_IMAGES_PORTRAIT[0]) );
56 const char* PAGE_IMAGES_LANDSCAPE[] =
58 DEMO_IMAGE_DIR "book-landscape-p1.jpg",
59 DEMO_IMAGE_DIR "book-landscape-p2.jpg",
60 DEMO_IMAGE_DIR "book-landscape-p3.jpg",
61 DEMO_IMAGE_DIR "book-landscape-p4.jpg",
62 DEMO_IMAGE_DIR "book-landscape-p5.jpg",
63 DEMO_IMAGE_DIR "book-landscape-p6.jpg",
64 DEMO_IMAGE_DIR "book-landscape-p7.jpg",
65 DEMO_IMAGE_DIR "book-landscape-p8.jpg"
67 const unsigned int NUMBER_OF_LANDSCAPE_IMAGE( sizeof(PAGE_IMAGES_LANDSCAPE) / sizeof(PAGE_IMAGES_LANDSCAPE[0]) );
71 class PortraitPageFactory : public PageFactory
74 * Query the number of pages available from the factory.
75 * The maximum available page has an ID of GetNumberOfPages()-1.
77 virtual unsigned int GetNumberOfPages()
79 return 10*NUMBER_OF_PORTRAIT_IMAGE + 1;
82 * Create an image to represent a page.
83 * @param[in] pageId The ID of the page to create.
84 * @return An image, or an uninitialized pointer if the ID is out of range.
86 virtual Image NewPage( unsigned int pageId )
92 page = ResourceImage::New( BOOK_COVER_PORTRAIT );
96 page = ResourceImage::New( PAGE_IMAGES_PORTRAIT[ (pageId-1) % NUMBER_OF_PORTRAIT_IMAGE ] );
103 class LandscapePageFactory : public PageFactory
107 * Query the number of pages available from the factory.
108 * The maximum available page has an ID of GetNumberOfPages()-1.
110 virtual unsigned int GetNumberOfPages()
112 return 10*NUMBER_OF_LANDSCAPE_IMAGE / 2 + 1;
115 * Create an image to represent a page.
116 * @param[in] pageId The ID of the page to create.
117 * @return An image, or an uninitialized pointer if the ID is out of range.
119 virtual Image NewPage( unsigned int pageId )
121 if( mImageSize.GetWidth() == 0u || mImageSize.GetHeight() == 0u )
123 mImageSize = ResourceImage::GetImageSize(BOOK_COVER_LANDSCAPE);
126 ImageAtlas atlas = ImageAtlas::New( mImageSize.GetWidth()*2u, mImageSize.GetHeight(), Pixel::RGB888 );
130 atlas.Upload( textureRect, BOOK_COVER_LANDSCAPE, mImageSize );
131 atlas.Upload( textureRect, BOOK_COVER_BACK_LANDSCAPE, mImageSize );
135 unsigned int imageId = (pageId-1)*2;
136 atlas.Upload( textureRect, PAGE_IMAGES_LANDSCAPE[ imageId % NUMBER_OF_LANDSCAPE_IMAGE ], mImageSize );
137 atlas.Upload( textureRect, PAGE_IMAGES_LANDSCAPE[ (imageId+1) % NUMBER_OF_LANDSCAPE_IMAGE ], mImageSize );
140 return atlas.GetAtlas();
143 ImageDimensions mImageSize;
147 * This example shows how to use the page turn UI control to implement the page-turn demo
148 * The effect follows the pan gesture to animate the page
149 * Pan the image inwards, the page will bent,
150 * Depends on the distance of the panning, the image might turn over or slide back
151 * Also, in portrait view, the pan gesture outwards from position near the spine could turn the previous page back
152 * Allows to turn multiple pages one by one quickly towards the same direction, multiple animations are launched in this case
154 class PageTurnController : public ConnectionTracker
157 PageTurnController( Application &app );
158 ~PageTurnController();
160 //This method gets called once the main loop of application is up and running
161 void OnInit( Application& app );
166 * This method gets called when the button is clicked, switch between portrait and landscape views
168 bool OnButtonClicked(Toolkit::Button button);
171 * Main key event handler
173 void OnKeyEvent(const KeyEvent& event);
176 * Callback function of page turned signal
177 * @param[in] pageTurnView The handle of the PageTurnPortraitView or PageTurnLandscapeView
178 * @param[in] pageIndex The index of the page turned over
179 * @param[in] isTurningForward The turning direction, forwards or backwards
181 void OnPageStartedTurn( PageTurnView pageTurnView, unsigned int pageIndex, bool isTurningForward );
184 * Callback function of page turned signal
185 * @param[in] pageTurnView The handle of the PageTurnPortraitView or PageTurnLandscapeView
186 * @param[in] pageIndex The index of the page turned over
187 * @param[in] isTurningForward The turning direction, forwards or backwards
189 void OnPageFinishedTurn( PageTurnView pageTurnView, unsigned int pageIndex, bool isTurningForward );
192 * Callback function of page started pan signal
194 * @param[in] pageTurnView The calling page turn view
196 void OnPageStartedPan( PageTurnView pageTurnView );
199 * Callback function of page finished pan signal
201 * @param[in] pageTurnView The calling page turn view
203 void OnPageFinishedPan( PageTurnView pageTurnView );
207 Application& mApplication;
210 PageTurnView mPageTurnPortraitView;
211 PageTurnView mPageTurnLandscapeView;
212 PortraitPageFactory mPortraitPageFactory;
213 LandscapePageFactory mLandscapePageFactory;
218 PageTurnController::PageTurnController( Application &app )
219 :mApplication( app ),
222 // Connect to the Application's Init signal
223 app.InitSignal().Connect( this, &PageTurnController::OnInit );
226 PageTurnController::~PageTurnController()
231 void PageTurnController::OnInit( Application& app )
233 // The Init signal is received once ( only ) during the Application lifetime
235 Stage::GetCurrent().KeyEventSignal().Connect(this, &PageTurnController::OnKeyEvent);
237 Stage stage = Stage::GetCurrent();
238 Vector2 stageSize = stage.GetSize();
240 mButtonLayer = Layer::New();
241 mButtonLayer.SetAnchorPoint( Dali::AnchorPoint::CENTER );
242 mButtonLayer.SetParentOrigin( Dali::ParentOrigin::CENTER );
243 mButtonLayer.SetResizePolicy( ResizePolicy::FILL_TO_PARENT, Dimension::ALL_DIMENSIONS );
244 Toolkit::PushButton button = Toolkit::PushButton::New();
245 button.SetAnchorPoint( AnchorPoint::TOP_RIGHT );
246 button.SetParentOrigin( ParentOrigin::TOP_RIGHT );
247 button.SetUnselectedImage( CHANGE_IMAGE_ICON );
248 button.SetSelectedImage( CHANGE_IMAGE_ICON_SELECTED );
249 button.SetLeaveRequired( true );
250 button.SetScale(1.5f);
251 button.PressedSignal().Connect( this, &PageTurnController::OnButtonClicked );
252 stage.Add( mButtonLayer );
253 mButtonLayer.Add(button);
255 Vector2 bookSize( stageSize.x > stageSize.y ? stageSize.y : stageSize.x,
256 stageSize.x > stageSize.y ? stageSize.x : stageSize.y );
258 mPageTurnPortraitView = PageTurnPortraitView::New( mPortraitPageFactory, bookSize );
259 mPageTurnPortraitView.SetParentOrigin( ParentOrigin::CENTER );
260 mPageTurnPortraitView.SetAnchorPoint( AnchorPoint::CENTER );
261 mPageTurnPortraitView.SetProperty( PageTurnView::Property::SPINE_SHADOW, Vector2(70.f, 30.f) );
262 mPageTurnPortraitView.PageTurnStartedSignal().Connect( this, &PageTurnController::OnPageStartedTurn );
263 mPageTurnPortraitView.PageTurnFinishedSignal().Connect( this, &PageTurnController::OnPageFinishedTurn );
264 mPageTurnPortraitView.PagePanStartedSignal().Connect( this, &PageTurnController::OnPageStartedPan );
265 mPageTurnPortraitView.PagePanFinishedSignal().Connect( this, &PageTurnController::OnPageFinishedPan );
267 mPageTurnLandscapeView = PageTurnLandscapeView::New( mLandscapePageFactory, Vector2(bookSize.y*0.5f, bookSize.x) );
268 mPageTurnLandscapeView.SetParentOrigin( ParentOrigin::CENTER );
269 mPageTurnLandscapeView.SetAnchorPoint( AnchorPoint::CENTER );
270 mPageTurnLandscapeView.PageTurnStartedSignal().Connect( this, &PageTurnController::OnPageStartedTurn );
271 mPageTurnLandscapeView.PageTurnFinishedSignal().Connect( this, &PageTurnController::OnPageFinishedTurn );
272 mPageTurnLandscapeView.PagePanStartedSignal().Connect( this, &PageTurnController::OnPageStartedPan );
273 mPageTurnLandscapeView.PagePanFinishedSignal().Connect( this, &PageTurnController::OnPageFinishedPan );
275 if( stageSize.x > stageSize.y )
277 stage.Add(mPageTurnLandscapeView);
278 mPageTurnPortraitView.SetOrientation(Degree(90.f), Vector3::ZAXIS);
283 stage.Add(mPageTurnPortraitView);
284 mPageTurnLandscapeView.SetOrientation(Degree(90.f), Vector3::ZAXIS);
288 mButtonLayer.RaiseToTop();
291 bool PageTurnController::OnButtonClicked(Toolkit::Button button)
295 mPageTurnPortraitView.Unparent();
296 Stage::GetCurrent().Add( mPageTurnLandscapeView );
297 int pageId = mPageTurnPortraitView.GetProperty( PageTurnView::Property::CURRENT_PAGE_ID ).Get<int>();
298 int currentPage = ceil( static_cast<float>(pageId) / PAGE_NUMBER_CORRESPONDING_RATIO );
299 mPageTurnLandscapeView.SetProperty(PageTurnView::Property::CURRENT_PAGE_ID, currentPage );
303 mPageTurnLandscapeView.Unparent();
304 Stage::GetCurrent().Add( mPageTurnPortraitView );
305 int pageId = mPageTurnLandscapeView.GetProperty( PageTurnView::Property::CURRENT_PAGE_ID ).Get<int>();
306 int currentPage = floor(pageId * PAGE_NUMBER_CORRESPONDING_RATIO );
307 mPageTurnPortraitView.SetProperty(PageTurnView::Property::CURRENT_PAGE_ID, currentPage );
310 mIsPortrait = !mIsPortrait;
311 mButtonLayer.RaiseToTop();
316 * Main key event handler
318 void PageTurnController::OnKeyEvent(const KeyEvent& event)
320 if(event.state == KeyEvent::Down)
322 if( IsKey( event, Dali::DALI_KEY_ESCAPE) || IsKey( event, Dali::DALI_KEY_BACK) )
329 void PageTurnController::OnPageStartedTurn( PageTurnView pageTurnView, unsigned int pageIndex, bool isTurningForward )
331 std::cout<< ( ( pageTurnView == mPageTurnPortraitView ) ? " portrait: " : " Landscape: " )
332 << " page " << pageIndex
333 << ( isTurningForward ? " is starting to turn forward" : " is starting to turn backward" )
337 void PageTurnController::OnPageFinishedTurn( PageTurnView pageTurnView, unsigned int pageIndex, bool isTurningForward )
339 std::cout<< ( ( pageTurnView == mPageTurnPortraitView ) ? " portrait: " : " Landscape: " )
340 << " page " << pageIndex
341 << ( isTurningForward ? " has finished turning forward" : " has finished turning backward" )
345 void PageTurnController::OnPageStartedPan( PageTurnView pageTurnView )
347 std::cout<< "Starting to pan" << std::endl;
350 void PageTurnController::OnPageFinishedPan( PageTurnView pageTurnView )
352 std::cout<< "Finished panning" << std::endl;
355 // Entry point for applications
356 int main( int argc, char **argv )
358 Application app = Application::New(&argc, &argv, DEMO_THEME_PATH);
359 PageTurnController test ( app );