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/debug.h>
24 #include <dali/internal/event/resources/resource-ticket.h>
25 #include <dali/internal/event/common/thread-local-storage.h>
26 #include <dali/internal/event/resources/resource-client.h>
27 #include <dali/internal/event/images/image-factory.h>
28 #include <dali/internal/event/common/stage-impl.h>
30 using namespace Dali::Integration;
38 Image::Image( LoadPolicy loadPol, ReleasePolicy releasePol )
39 : mLoadPolicy(loadPol),
40 mReleasePolicy(releasePol),
42 mImageFactory(ThreadLocalStorage::Get().GetImageFactory())
51 Image* Image::New( const std::string& filename, LoadPolicy loadPol, ReleasePolicy releasePol )
53 Image* image = Image::New( filename, *static_cast<ImageAttributes*>(NULL), loadPol, releasePol );
57 Image* Image::New( const std::string& filename, const Dali::ImageAttributes& attributes, LoadPolicy loadPol, ReleasePolicy releasePol )
59 Image* image = new Image( loadPol, releasePol );
61 image->mRequest = image->mImageFactory.RegisterRequest( filename, &attributes );
63 // Lazily load image data later, only when it is needed to draw something:
64 if( Dali::Image::OnDemand == loadPol )
66 // Ask for ticket later, only on connect.
70 // Trigger loading of the image over on a resource thread eagerly as soon as it
72 image->mTicket = image->mImageFactory.Load( image->mRequest.Get() );
73 image->mTicket->AddObserver( *image );
76 DALI_LOG_SET_OBJECT_STRING( image, filename );
81 Image* Image::New( NativeImage& nativeImg, LoadPolicy loadPol, ReleasePolicy releasePol )
83 Image* image = new Image;
84 ResourceClient &resourceClient = ThreadLocalStorage::Get().GetResourceClient();
86 /// @todo check policy and ref with intrusive pointer if needed
88 const ResourceTicketPtr& ticket = resourceClient.AddNativeImage( nativeImg );
89 DALI_ASSERT_DEBUG( dynamic_cast<ImageTicket*>( ticket.Get() ) && "Resource ticket not ImageTicket subclass for image resource.\n" );
90 image->mTicket = static_cast<ImageTicket*>(ticket.Get());
91 image->mTicket->AddObserver( *image );
100 mTicket->RemoveObserver( *this );
101 if( Stage::IsInstalled() )
103 mImageFactory.ReleaseTicket( mTicket.Get() );
108 bool Image::DoConnectSignal( BaseObject* object, ConnectionTrackerInterface* tracker, const std::string& signalName, FunctorDelegate* functor )
110 bool connected( true );
111 DALI_ASSERT_DEBUG( dynamic_cast<Image*>( object ) && "Resource ticket not ImageTicket subclass for image resource.\n" );
112 Image* image = static_cast<Image*>(object);
114 if( Dali::Image::SIGNAL_IMAGE_LOADING_FINISHED == signalName )
116 image->LoadingFinishedSignal().Connect( tracker, functor );
118 else if(Dali::Image::SIGNAL_IMAGE_UPLOADED == signalName)
120 image->UploadedSignal().Connect( tracker, functor );
124 // signalName does not match any signal
131 ResourceId Image::GetResourceId() const
133 ResourceId ret = mTicket ? mTicket->GetId() : 0;
138 const Dali::ImageAttributes& Image::GetAttributes() const
142 return mImageFactory.GetActualAttributes( mTicket->GetId() );
146 return mImageFactory.GetRequestAttributes( mRequest.Get() );
150 const std::string& Image::GetFilename() const
152 return mImageFactory.GetRequestPath( mRequest.Get() );
159 ResourceTicketPtr ticket = mImageFactory.Reload( mRequest.Get() );
160 SetTicket( ticket.Get() );
164 void Image::ResourceLoadingFailed(const ResourceTicket& ticket)
166 mLoadingFinishedV2.Emit( Dali::Image( this ) );
169 void Image::ResourceLoadingSucceeded(const ResourceTicket& ticket)
171 mLoadingFinishedV2.Emit( Dali::Image( this ) );
174 void Image::ResourceUploaded(const ResourceTicket& ticket)
176 mUploadedV2.Emit( Dali::Image( this ) );
179 void Image::ResourceSavingSucceeded( const ResourceTicket& ticket )
184 void Image::ResourceSavingFailed( const ResourceTicket& ticket )
189 unsigned int Image::GetWidth() const
193 const ImageAttributes& attr = mImageFactory.GetActualAttributes( mTicket->GetId() );
194 return attr.GetWidth();
198 const ImageAttributes& attr = mImageFactory.GetRequestAttributes( mRequest.Get() );
199 return attr.GetWidth();
203 unsigned int Image::GetHeight() const
207 const ImageAttributes& attr = mImageFactory.GetActualAttributes( mTicket->GetId() );
208 return attr.GetHeight();
212 const ImageAttributes& attr = mImageFactory.GetRequestAttributes( mRequest.Get() );
213 return attr.GetHeight();
217 void Image::Connect()
221 if( mConnectionCount == 1 )
223 // ticket was thrown away when related actors went offstage or image loading on demand
226 ResourceTicketPtr newTicket = mImageFactory.Load( mRequest.Get() );
227 SetTicket( newTicket.Get() );
232 void Image::Disconnect()
239 DALI_ASSERT_DEBUG( mConnectionCount > 0 );
241 if( mConnectionCount == 0 && mReleasePolicy == Dali::Image::Unused )
243 // release image memory when it's not visible anymore (decrease ref. count of texture)
248 void Image::SetTicket( ResourceTicket* ticket )
250 if( ticket == mTicket.Get() )
257 mTicket->RemoveObserver( *this );
258 mImageFactory.ReleaseTicket( mTicket.Get() );
263 mTicket.Reset( ticket );
264 mTicket->AddObserver( *this );
272 } // namespace Internal