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.
19 #include <dali/internal/event/images/image-impl.h>
22 #include <dali/public-api/common/dali-common.h>
24 #include <dali/integration-api/platform-abstraction.h>
25 #include <dali/integration-api/debug.h>
26 #include <dali/internal/event/resources/resource-ticket.h>
27 #include <dali/internal/event/common/thread-local-storage.h>
28 #include <dali/internal/event/resources/resource-client.h>
29 #include <dali/internal/event/images/image-factory.h>
30 #include <dali/internal/event/images/nine-patch-image-impl.h>
31 #include <dali/internal/event/common/stage-impl.h>
33 using namespace Dali::Integration;
41 Image::Image( LoadPolicy loadPol, ReleasePolicy releasePol )
45 mReleasePolicy(releasePol),
47 mImageFactory(ThreadLocalStorage::Get().GetImageFactory())
56 Image* Image::New( const std::string& filename, const Dali::ImageAttributes& attributes, LoadPolicy loadPol, ReleasePolicy releasePol )
58 if( IsNinePatchFileName(filename) )
60 NinePatchImage* image = new NinePatchImage( filename, attributes, loadPol, releasePol );
65 Image* image = new Image( loadPol, releasePol );
67 if( ! filename.empty() )
71 Internal::ThreadLocalStorage::Get().GetPlatformAbstraction().GetClosestImageSize( filename, attributes, closestSize );
72 image->mWidth = closestSize.width;
73 image->mHeight = closestSize.height;
76 image->mRequest = image->mImageFactory.RegisterRequest( filename, &attributes );
78 if( Dali::Image::Immediate == loadPol )
80 // Trigger loading of the image on a seperate resource thread as soon as it
82 image->mTicket = image->mImageFactory.Load( image->mRequest.Get() );
83 image->mTicket->AddObserver( *image );
85 // else lazily load image data later, only when it is needed to draw something:
87 DALI_LOG_SET_OBJECT_STRING( image, filename );
93 Image* Image::New( NativeImage& nativeImg, LoadPolicy loadPol, ReleasePolicy releasePol )
95 Image* image = new Image;
96 ResourceClient &resourceClient = ThreadLocalStorage::Get().GetResourceClient();
99 image->mWidth = nativeImg.GetWidth();
100 image->mHeight = nativeImg.GetHeight();
102 const ResourceTicketPtr& ticket = resourceClient.AddNativeImage( nativeImg );
103 DALI_ASSERT_DEBUG( dynamic_cast<ImageTicket*>( ticket.Get() ) && "Resource ticket not ImageTicket subclass for image resource.\n" );
104 image->mTicket = static_cast<ImageTicket*>(ticket.Get());
105 image->mTicket->AddObserver( *image );
114 mTicket->RemoveObserver( *this );
115 if( Stage::IsInstalled() )
117 mImageFactory.ReleaseTicket( mTicket.Get() );
122 bool Image::DoConnectSignal( BaseObject* object, ConnectionTrackerInterface* tracker, const std::string& signalName, FunctorDelegate* functor )
124 bool connected( true );
125 DALI_ASSERT_DEBUG( dynamic_cast<Image*>( object ) && "Resource ticket not ImageTicket subclass for image resource.\n" );
126 Image* image = static_cast<Image*>(object);
128 if( Dali::Image::SIGNAL_IMAGE_LOADING_FINISHED == signalName )
130 image->LoadingFinishedSignal().Connect( tracker, functor );
132 else if(Dali::Image::SIGNAL_IMAGE_UPLOADED == signalName)
134 image->UploadedSignal().Connect( tracker, functor );
138 // signalName does not match any signal
145 ResourceId Image::GetResourceId() const
147 ResourceId ret = mTicket ? mTicket->GetId() : 0;
152 const Dali::ImageAttributes& Image::GetAttributes() const
156 return mImageFactory.GetActualAttributes( mTicket->GetId() );
160 return mImageFactory.GetRequestAttributes( mRequest.Get() );
164 const std::string& Image::GetFilename() const
166 return mImageFactory.GetRequestPath( mRequest.Get() );
173 ResourceTicketPtr ticket = mImageFactory.Reload( mRequest.Get() );
174 SetTicket( ticket.Get() );
178 void Image::ResourceLoadingFailed(const ResourceTicket& ticket)
180 mLoadingFinishedV2.Emit( Dali::Image( this ) );
183 void Image::ResourceLoadingSucceeded(const ResourceTicket& ticket)
185 // Update size with actual loaded size
186 const ImageTicket* imageTicket = static_cast<const ImageTicket*>(&ticket);
187 mWidth = imageTicket->GetWidth();
188 mHeight = imageTicket->GetHeight();
189 mLoadingFinishedV2.Emit( Dali::Image( this ) );
192 void Image::ResourceUploaded(const ResourceTicket& ticket)
194 mUploadedV2.Emit( Dali::Image( this ) );
197 void Image::ResourceSavingSucceeded( const ResourceTicket& ticket )
202 void Image::ResourceSavingFailed( const ResourceTicket& ticket )
207 unsigned int Image::GetWidth() const
209 // Width has already been calculated - just return that
213 unsigned int Image::GetHeight() const
215 // Height has already been calculated - just return that
219 Vector2 Image::GetNaturalSize() const
221 return Vector2( mWidth, mHeight );
224 void Image::Connect()
228 if( mConnectionCount == 1 )
230 // ticket was thrown away when related actors went offstage or image loading on demand
233 ResourceTicketPtr newTicket = mImageFactory.Load( mRequest.Get() );
234 SetTicket( newTicket.Get() );
239 void Image::Disconnect()
246 DALI_ASSERT_DEBUG( mConnectionCount > 0 );
248 if( mConnectionCount == 0 && mReleasePolicy == Dali::Image::Unused )
250 // release image memory when it's not visible anymore (decrease ref. count of texture)
255 void Image::SetTicket( ResourceTicket* ticket )
257 if( ticket == mTicket.Get() )
264 mTicket->RemoveObserver( *this );
265 mImageFactory.ReleaseTicket( mTicket.Get() );
270 mTicket.Reset( ticket );
271 mTicket->AddObserver( *this );
279 bool Image::IsNinePatchFileName( std::string filename )
283 std::string::const_reverse_iterator iter = filename.rbegin();
284 enum { SUFFIX, HASH, HASH_DOT, DONE } state = SUFFIX;
285 while(iter < filename.rend())
295 else if(!isalnum(*iter))
303 if( *iter == '#' || *iter == '9' )
319 state = DONE; // Stop testing characters
340 } // namespace Internal