1 // Copyright (c) 2014 Samsung Electronics Co., Ltd.
4 #include "image-view-impl.h"
7 #include <dali/public-api/images/resource-image.h>
8 #include <dali/public-api/object/type-registry.h>
9 #include <dali/public-api/object/type-registry-helper.h>
10 #include <dali/devel-api/scripting/scripting.h>
13 #include <dali-toolkit/public-api/controls/image-view/image-view.h>
14 #include <dali-toolkit/devel-api/controls/visual-factory/visual-factory.h>
15 #include <dali-toolkit/internal/controls/renderers/visual-string-constants.h>
16 #include <dali-toolkit/internal/controls/renderers/visual-impl.h>
32 return Toolkit::ImageView::New();
35 // Setup properties, signals and actions using the type-registry.
36 DALI_TYPE_REGISTRATION_BEGIN( Toolkit::ImageView, Toolkit::Control, Create );
37 DALI_PROPERTY_REGISTRATION( Toolkit, ImageView, "resourceUrl", STRING, RESOURCE_URL )
38 DALI_PROPERTY_REGISTRATION( Toolkit, ImageView, "image", MAP, IMAGE )
39 DALI_PROPERTY_REGISTRATION( Toolkit, ImageView, "preMultipliedAlpha", BOOLEAN, PRE_MULTIPLIED_ALPHA )
41 DALI_ANIMATABLE_PROPERTY_REGISTRATION_WITH_DEFAULT( Toolkit, ImageView, "pixelArea", Vector4(0.f, 0.f, 1.f, 1.f), PIXEL_AREA )
42 DALI_TYPE_REGISTRATION_END()
44 } // anonymous namespace
48 ImageView::ImageView()
49 : Control( ControlBehaviour( ACTOR_BEHAVIOUR_NONE ) )
53 ImageView::~ImageView()
57 Toolkit::ImageView ImageView::New()
59 ImageView* impl = new ImageView();
61 Toolkit::ImageView handle = Toolkit::ImageView( *impl );
63 // Second-phase init of the implementation
64 // This can only be done after the CustomActor connection has been made...
70 /////////////////////////////////////////////////////////////
72 void ImageView::SetImage( Image image )
74 if( ( mImage != image ) ||
75 ! mUrl.empty() || // If we're changing from a URL type to an Image type
76 ! mPropertyMap.Empty() ) // If we're changing from a property map type to an Image type
84 InitializeVisual( self, mRenderer, image );
85 mImageSize = image ? ImageDimensions( image.GetWidth(), image.GetHeight() ) : ImageDimensions( 0, 0 );
91 void ImageView::SetImage( Property::Map map )
98 InitializeVisual( self, mRenderer, mPropertyMap );
100 Property::Value* widthValue = mPropertyMap.Find( "width" );
104 if( widthValue->Get( width ) )
106 mImageSize = ImageDimensions( width, mImageSize.GetHeight() );
110 Property::Value* heightValue = mPropertyMap.Find( "height" );
114 if( heightValue->Get( height ) )
116 mImageSize = ImageDimensions( mImageSize.GetWidth(), height );
123 void ImageView::SetImage( const std::string& url, ImageDimensions size )
125 if( ( mUrl != url ) ||
126 mImage || // If we're changing from an Image type to a URL type
127 ! mPropertyMap.Empty() ) // If we're changing from a property map type to a URL type
130 mPropertyMap.Clear();
134 if( size.GetWidth() != 0u && size.GetHeight() != 0u )
139 Actor self( Self() );
140 InitializeVisual( self, mRenderer, url, size );
142 mRenderer.SetSize( mSizeSet );
148 Image ImageView::GetImage() const
153 void ImageView::EnablePreMultipliedAlpha( bool preMultipled )
157 GetImplementation( mRenderer ).EnablePreMultipliedAlpha( preMultipled );
161 bool ImageView::IsPreMultipliedAlphaEnabled() const
165 return GetImplementation( mRenderer ).IsPreMultipliedAlphaEnabled();
170 void ImageView::SetDepthIndex( int depthIndex )
174 mRenderer.SetDepthIndex( depthIndex );
178 Vector3 ImageView::GetNaturalSize()
182 Vector2 rendererNaturalSize;
183 mRenderer.GetNaturalSize( rendererNaturalSize );
184 return Vector3( rendererNaturalSize );
188 size.x = mImageSize.GetWidth();
189 size.y = mImageSize.GetHeight();
191 if( size.x > 0 && size.y > 0 )
193 size.z = std::min(size.x, size.y);
198 // if no image then use Control's natural size
199 return Control::GetNaturalSize();
203 float ImageView::GetHeightForWidth( float width )
205 if( mImageSize.GetWidth() > 0 && mImageSize.GetHeight() > 0 )
207 return GetHeightForWidthBase( width );
211 return Control::GetHeightForWidth( width );
215 float ImageView::GetWidthForHeight( float height )
217 if( mImageSize.GetWidth() > 0 && mImageSize.GetHeight() > 0 )
219 return GetWidthForHeightBase( height );
223 return Control::GetWidthForHeight( height );
228 ///////////////////////////////////////////////////////////
233 void ImageView::OnStageConnection( int depth )
235 Control::OnStageConnection( depth );
239 CustomActor self = Self();
240 mRenderer.SetOnStage( self );
244 void ImageView::OnStageDisconnection()
248 CustomActor self = Self();
249 mRenderer.SetOffStage( self );
252 Control::OnStageDisconnection();
255 void ImageView::OnSizeSet( const Vector3& targetSize )
257 Control::OnSizeSet( targetSize );
258 mSizeSet = targetSize;
262 Vector2 size( targetSize );
263 mRenderer.SetSize( size );
267 ///////////////////////////////////////////////////////////
272 void ImageView::SetProperty( BaseObject* object, Property::Index index, const Property::Value& value )
274 Toolkit::ImageView imageView = Toolkit::ImageView::DownCast( Dali::BaseHandle( object ) );
278 ImageView& impl = GetImpl( imageView );
281 case Toolkit::ImageView::Property::RESOURCE_URL:
283 std::string imageUrl;
284 if( value.Get( imageUrl ) )
286 impl.SetImage( imageUrl, ImageDimensions() );
291 case Toolkit::ImageView::Property::IMAGE:
293 std::string imageUrl;
295 if( value.Get( imageUrl ) )
297 impl.SetImage( imageUrl, ImageDimensions() );
299 // if its not a string then get a Property::Map from the property if possible.
300 else if( value.Get( map ) )
302 Property::Value* shaderValue = map.Find( "shader" );
303 // set image only if property map contains image information other than custom shader
304 if( map.Count() > 1u || !shaderValue )
306 impl.SetImage( map );
308 // the property map contains only the custom shader
309 else if( impl.mRenderer && map.Count() == 1u && shaderValue )
311 Property::Map shaderMap;
312 if( shaderValue->Get( shaderMap ) )
314 Internal::Visual& renderer = GetImplementation( impl.mRenderer );
315 renderer.SetCustomShader( shaderMap );
316 if( imageView.OnStage() )
318 // force to create new core renderer to use the newly set shader
319 renderer.SetOffStage( imageView );
320 renderer.SetOnStage( imageView );
328 case Toolkit::ImageView::Property::PRE_MULTIPLIED_ALPHA:
331 if( value.Get( isPre ) )
333 impl.EnablePreMultipliedAlpha( isPre );
341 Property::Value ImageView::GetProperty( BaseObject* object, Property::Index propertyIndex )
343 Property::Value value;
345 Toolkit::ImageView imageview = Toolkit::ImageView::DownCast( Dali::BaseHandle( object ) );
349 ImageView& impl = GetImpl( imageview );
350 switch ( propertyIndex )
352 case Toolkit::ImageView::Property::RESOURCE_URL:
354 if ( !impl.mUrl.empty() )
361 case Toolkit::ImageView::Property::IMAGE:
363 if ( !impl.mUrl.empty() )
367 else if( impl.mImage )
370 Scripting::CreatePropertyMap( impl.mImage, map );
373 else if( !impl.mPropertyMap.Empty() )
375 value = impl.mPropertyMap;
380 case Toolkit::ImageView::Property::PRE_MULTIPLIED_ALPHA:
382 value = impl.IsPreMultipliedAlphaEnabled();
391 } // namespace Internal
392 } // namespace Toolkit