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>
23 #include <dali/public-api/object/type-registry.h>
25 #include <dali/integration-api/platform-abstraction.h>
26 #include <dali/integration-api/debug.h>
27 #include <dali/internal/event/resources/resource-ticket.h>
28 #include <dali/internal/event/common/thread-local-storage.h>
29 #include <dali/internal/event/resources/resource-client.h>
30 #include <dali/internal/event/images/image-factory.h>
31 #include <dali/internal/event/images/nine-patch-image-impl.h>
32 #include <dali/internal/event/common/stage-impl.h>
34 using namespace Dali::Integration;
45 BaseHandle CreateImage()
47 ImagePtr image = Image::New();
48 return Dali::Image(image.Get());
51 TypeRegistration mType( typeid(Dali::Image), typeid(Dali::BaseHandle), CreateImage );
53 Dali::SignalConnectorType signalConnector1(mType, Dali::Image::SIGNAL_IMAGE_LOADING_FINISHED, &Image::DoConnectSignal);
54 Dali::SignalConnectorType signalConnector2(mType, Dali::Image::SIGNAL_IMAGE_UPLOADED, &Image::DoConnectSignal);
57 Image::Image( LoadPolicy loadPol, ReleasePolicy releasePol )
60 mNaturalSizeSet(false),
62 mReleasePolicy(releasePol),
64 mImageFactory(ThreadLocalStorage::Get().GetImageFactory())
70 ImagePtr image = new Image;
75 ImagePtr Image::New( const std::string& filename, const Dali::ImageAttributes& attributes, LoadPolicy loadPol, ReleasePolicy releasePol )
77 if( IsNinePatchFileName(filename) )
79 NinePatchImagePtr image = NinePatchImage::New( filename, attributes, loadPol, releasePol );
84 ImagePtr image = new Image( loadPol, releasePol );
87 image->mRequest = image->mImageFactory.RegisterRequest( filename, &attributes );
89 if( Dali::Image::Immediate == loadPol )
91 // Trigger loading of the image on a seperate resource thread as soon as it
93 image->mTicket = image->mImageFactory.Load( image->mRequest.Get() );
94 image->mTicket->AddObserver( *image );
97 // else lazily load image data later, only when it is needed to draw something:
99 DALI_LOG_SET_OBJECT_STRING( image, filename );
105 ImagePtr Image::New( NativeImage& nativeImg, LoadPolicy loadPol, ReleasePolicy releasePol )
107 ImagePtr image = new Image;
110 ResourceClient &resourceClient = ThreadLocalStorage::Get().GetResourceClient();
112 image->mWidth = nativeImg.GetWidth();
113 image->mHeight = nativeImg.GetHeight();
114 image->mNaturalSizeSet = true;
116 const ResourceTicketPtr& ticket = resourceClient.AddNativeImage( nativeImg );
117 DALI_ASSERT_DEBUG( dynamic_cast<ImageTicket*>( ticket.Get() ) && "Resource ticket not ImageTicket subclass for image resource.\n" );
118 image->mTicket = static_cast<ImageTicket*>(ticket.Get());
119 image->mTicket->AddObserver( *image );
128 mTicket->RemoveObserver( *this );
129 if( Stage::IsInstalled() )
131 mImageFactory.ReleaseTicket( mTicket.Get() );
135 if( Stage::IsInstalled() )
141 bool Image::DoConnectSignal( BaseObject* object, ConnectionTrackerInterface* tracker, const std::string& signalName, FunctorDelegate* functor )
143 bool connected( true );
144 DALI_ASSERT_DEBUG( dynamic_cast<Image*>( object ) && "Resource ticket not ImageTicket subclass for image resource.\n" );
145 Image* image = static_cast<Image*>(object);
147 if( Dali::Image::SIGNAL_IMAGE_LOADING_FINISHED == signalName )
149 image->LoadingFinishedSignal().Connect( tracker, functor );
151 else if(Dali::Image::SIGNAL_IMAGE_UPLOADED == signalName)
153 image->UploadedSignal().Connect( tracker, functor );
157 // signalName does not match any signal
164 ResourceId Image::GetResourceId() const
166 ResourceId ret = mTicket ? mTicket->GetId() : 0;
171 const Dali::ImageAttributes& Image::GetAttributes() const
175 return mImageFactory.GetActualAttributes( mTicket->GetId() );
179 return mImageFactory.GetRequestAttributes( mRequest.Get() );
183 const std::string& Image::GetFilename() const
185 return mImageFactory.GetRequestPath( mRequest.Get() );
192 ResourceTicketPtr ticket = mImageFactory.Reload( mRequest.Get() );
193 SetTicket( ticket.Get() );
197 void Image::ResourceLoadingFailed(const ResourceTicket& ticket)
199 mLoadingFinishedV2.Emit( Dali::Image( this ) );
202 void Image::ResourceLoadingSucceeded(const ResourceTicket& ticket)
204 // Update size with actual loaded size
205 const ImageTicket* imageTicket = static_cast<const ImageTicket*>(&ticket);
206 mWidth = imageTicket->GetWidth();
207 mHeight = imageTicket->GetHeight();
208 mNaturalSizeSet = true;
209 mLoadingFinishedV2.Emit( Dali::Image( this ) );
212 void Image::ResourceUploaded(const ResourceTicket& ticket)
214 mUploadedV2.Emit( Dali::Image( this ) );
217 void Image::ResourceSavingSucceeded( const ResourceTicket& ticket )
222 void Image::ResourceSavingFailed( const ResourceTicket& ticket )
227 unsigned int Image::GetWidth() const
229 unsigned int width = 0;
230 if( mNaturalSizeSet )
232 // Width has already been calculated - just return that
237 const ImageAttributes& attr = mImageFactory.GetActualAttributes( mTicket->GetId() );
238 width = attr.GetWidth();
242 const ImageAttributes& attr = mImageFactory.GetRequestAttributes( mRequest.Get() );
243 width = attr.GetWidth();
249 unsigned int Image::GetHeight() const
251 unsigned int height = 0;
252 if( mNaturalSizeSet )
254 // Height has already been calculated - just return that
259 const ImageAttributes& attr = mImageFactory.GetActualAttributes( mTicket->GetId() );
260 height = attr.GetHeight();
264 const ImageAttributes& attr = mImageFactory.GetRequestAttributes( mRequest.Get() );
265 height = attr.GetHeight();
271 Vector2 Image::GetNaturalSize() const
273 Vector2 naturalSize(mWidth, mHeight);
274 if( ! mNaturalSizeSet )
278 const ImageAttributes& attr = mImageFactory.GetActualAttributes( mTicket->GetId() );
279 naturalSize.width = attr.GetWidth();
280 naturalSize.height = attr.GetHeight();
284 const ImageAttributes& attr = mImageFactory.GetRequestAttributes( mRequest.Get() );
285 naturalSize.width = attr.GetWidth();
286 naturalSize.height = attr.GetHeight();
292 void Image::Connect()
296 if( mConnectionCount == 1 )
298 // ticket was thrown away when related actors went offstage or image loading on demand
301 ResourceTicketPtr newTicket = mImageFactory.Load( mRequest.Get() );
302 SetTicket( newTicket.Get() );
307 void Image::Disconnect()
314 DALI_ASSERT_DEBUG( mConnectionCount > 0 );
316 if( mConnectionCount == 0 && mReleasePolicy == Dali::Image::Unused )
318 // release image memory when it's not visible anymore (decrease ref. count of texture)
323 void Image::Initialize()
328 void Image::SetTicket( ResourceTicket* ticket )
330 if( ticket == mTicket.Get() )
337 mTicket->RemoveObserver( *this );
338 mImageFactory.ReleaseTicket( mTicket.Get() );
343 mTicket.Reset( ticket );
344 mTicket->AddObserver( *this );
352 bool Image::IsNinePatchFileName( std::string filename )
356 std::string::const_reverse_iterator iter = filename.rbegin();
357 enum { SUFFIX, HASH, HASH_DOT, DONE } state = SUFFIX;
358 while(iter < filename.rend())
368 else if(!isalnum(*iter))
376 if( *iter == '#' || *iter == '9' )
392 state = DONE; // Stop testing characters
413 } // namespace Internal