2 // Copyright (c) 2014 Samsung Electronics Co., Ltd.
4 // Licensed under the Flora License, Version 1.0 (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://floralicense.org/license/
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/internal/event/images/image-impl.h>
21 #include <dali/public-api/common/dali-common.h>
23 #include <dali/integration-api/platform-abstraction.h>
24 #include <dali/integration-api/debug.h>
25 #include <dali/internal/event/resources/resource-ticket.h>
26 #include <dali/internal/event/common/thread-local-storage.h>
27 #include <dali/internal/event/resources/resource-client.h>
28 #include <dali/internal/event/images/image-factory.h>
29 #include <dali/internal/event/common/stage-impl.h>
31 using namespace Dali::Integration;
39 Image::Image( LoadPolicy loadPol, ReleasePolicy releasePol )
43 mReleasePolicy(releasePol),
45 mImageFactory(ThreadLocalStorage::Get().GetImageFactory())
54 Image* Image::New( const std::string& filename, const Dali::ImageAttributes& attributes, LoadPolicy loadPol, ReleasePolicy releasePol )
56 Image* image = new Image( loadPol, releasePol );
58 if( ! filename.empty() )
62 Internal::ThreadLocalStorage::Get().GetPlatformAbstraction().GetClosestImageSize( filename, attributes, closestSize );
63 image->mWidth = closestSize.width;
64 image->mHeight = closestSize.height;
67 image->mRequest = image->mImageFactory.RegisterRequest( filename, &attributes );
69 if( Dali::Image::Immediate == loadPol )
71 // Trigger loading of the image on a seperate resource thread as soon as it
73 image->mTicket = image->mImageFactory.Load( image->mRequest.Get() );
74 image->mTicket->AddObserver( *image );
76 // else lazily load image data later, only when it is needed to draw something:
78 DALI_LOG_SET_OBJECT_STRING( image, filename );
83 Image* Image::New( NativeImage& nativeImg, LoadPolicy loadPol, ReleasePolicy releasePol )
85 Image* image = new Image;
86 ResourceClient &resourceClient = ThreadLocalStorage::Get().GetResourceClient();
89 image->mWidth = nativeImg.GetWidth();
90 image->mHeight = nativeImg.GetHeight();
92 const ResourceTicketPtr& ticket = resourceClient.AddNativeImage( nativeImg );
93 DALI_ASSERT_DEBUG( dynamic_cast<ImageTicket*>( ticket.Get() ) && "Resource ticket not ImageTicket subclass for image resource.\n" );
94 image->mTicket = static_cast<ImageTicket*>(ticket.Get());
95 image->mTicket->AddObserver( *image );
104 mTicket->RemoveObserver( *this );
105 if( Stage::IsInstalled() )
107 mImageFactory.ReleaseTicket( mTicket.Get() );
112 bool Image::DoConnectSignal( BaseObject* object, ConnectionTrackerInterface* tracker, const std::string& signalName, FunctorDelegate* functor )
114 bool connected( true );
115 DALI_ASSERT_DEBUG( dynamic_cast<Image*>( object ) && "Resource ticket not ImageTicket subclass for image resource.\n" );
116 Image* image = static_cast<Image*>(object);
118 if( Dali::Image::SIGNAL_IMAGE_LOADING_FINISHED == signalName )
120 image->LoadingFinishedSignal().Connect( tracker, functor );
122 else if(Dali::Image::SIGNAL_IMAGE_UPLOADED == signalName)
124 image->UploadedSignal().Connect( tracker, functor );
128 // signalName does not match any signal
135 ResourceId Image::GetResourceId() const
137 ResourceId ret = mTicket ? mTicket->GetId() : 0;
142 const Dali::ImageAttributes& Image::GetAttributes() const
146 return mImageFactory.GetActualAttributes( mTicket->GetId() );
150 return mImageFactory.GetRequestAttributes( mRequest.Get() );
154 const std::string& Image::GetFilename() const
156 return mImageFactory.GetRequestPath( mRequest.Get() );
163 ResourceTicketPtr ticket = mImageFactory.Reload( mRequest.Get() );
164 SetTicket( ticket.Get() );
168 void Image::ResourceLoadingFailed(const ResourceTicket& ticket)
170 mLoadingFinishedV2.Emit( Dali::Image( this ) );
173 void Image::ResourceLoadingSucceeded(const ResourceTicket& ticket)
175 // Update size with actual loaded size
176 const ImageTicket* imageTicket = static_cast<const ImageTicket*>(&ticket);
177 mWidth = imageTicket->GetWidth();
178 mHeight = imageTicket->GetHeight();
179 mLoadingFinishedV2.Emit( Dali::Image( this ) );
182 void Image::ResourceUploaded(const ResourceTicket& ticket)
184 mUploadedV2.Emit( Dali::Image( this ) );
187 void Image::ResourceSavingSucceeded( const ResourceTicket& ticket )
192 void Image::ResourceSavingFailed( const ResourceTicket& ticket )
197 unsigned int Image::GetWidth() const
201 const ImageAttributes& attr = mImageFactory.GetActualAttributes( mTicket->GetId() );
202 return attr.GetWidth();
206 const ImageAttributes& attr = mImageFactory.GetRequestAttributes( mRequest.Get() );
207 return attr.GetWidth();
215 unsigned int Image::GetHeight() const
219 const ImageAttributes& attr = mImageFactory.GetActualAttributes( mTicket->GetId() );
220 return attr.GetHeight();
224 const ImageAttributes& attr = mImageFactory.GetRequestAttributes( mRequest.Get() );
225 return attr.GetHeight();
233 Vector2 Image::GetNaturalSize() const
235 return Vector2( mWidth, mHeight );
238 void Image::Connect()
242 if( mConnectionCount == 1 )
244 // ticket was thrown away when related actors went offstage or image loading on demand
247 ResourceTicketPtr newTicket = mImageFactory.Load( mRequest.Get() );
248 SetTicket( newTicket.Get() );
253 void Image::Disconnect()
260 DALI_ASSERT_DEBUG( mConnectionCount > 0 );
262 if( mConnectionCount == 0 && mReleasePolicy == Dali::Image::Unused )
264 // release image memory when it's not visible anymore (decrease ref. count of texture)
269 void Image::SetTicket( ResourceTicket* ticket )
271 if( ticket == mTicket.Get() )
278 mTicket->RemoveObserver( *this );
279 mImageFactory.ReleaseTicket( mTicket.Get() );
284 mTicket.Reset( ticket );
285 mTicket->AddObserver( *this );
293 } // namespace Internal