1 // Copyright (c) 2016 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/visuals/visual-properties-devel.h>
15 #include <dali-toolkit/devel-api/visual-factory/visual-factory.h>
16 #include <dali-toolkit/internal/visuals/visual-string-constants.h>
17 #include <dali-toolkit/internal/visuals/visual-base-impl.h>
18 #include <dali-toolkit/internal/visuals/visual-base-data-impl.h>
34 return Toolkit::ImageView::New();
37 // Setup properties, signals and actions using the type-registry.
38 DALI_TYPE_REGISTRATION_BEGIN( Toolkit::ImageView, Toolkit::Control, Create );
39 DALI_PROPERTY_REGISTRATION( Toolkit, ImageView, "resourceUrl", STRING, RESOURCE_URL )
40 DALI_PROPERTY_REGISTRATION( Toolkit, ImageView, "image", MAP, IMAGE )
41 DALI_PROPERTY_REGISTRATION( Toolkit, ImageView, "preMultipliedAlpha", BOOLEAN, PRE_MULTIPLIED_ALPHA )
43 DALI_ANIMATABLE_PROPERTY_REGISTRATION_WITH_DEFAULT( Toolkit, ImageView, "pixelArea", Vector4(0.f, 0.f, 1.f, 1.f), PIXEL_AREA )
44 DALI_TYPE_REGISTRATION_END()
46 } // anonymous namespace
50 ImageView::ImageView()
51 : Control( ControlBehaviour( CONTROL_BEHAVIOUR_DEFAULT ) )
55 ImageView::~ImageView()
59 Toolkit::ImageView ImageView::New()
61 ImageView* impl = new ImageView();
63 Toolkit::ImageView handle = Toolkit::ImageView( *impl );
65 // Second-phase init of the implementation
66 // This can only be done after the CustomActor connection has been made...
72 /////////////////////////////////////////////////////////////
74 void ImageView::SetImage( Image image )
76 if( ( mImage != image ) ||
77 ! mUrl.empty() || // If we're changing from a URL type to an Image type
78 ! mPropertyMap.Empty() ) // If we're changing from a property map type to an Image type
85 mVisual = Toolkit::VisualFactory::Get().CreateVisual( image );
86 RegisterVisual( Toolkit::ImageView::Property::IMAGE, mVisual );
87 mImageSize = image ? ImageDimensions( image.GetWidth(), image.GetHeight() ) : ImageDimensions( 0, 0 );
93 void ImageView::SetImage( Property::Map map )
99 mVisual = Toolkit::VisualFactory::Get().CreateVisual( mPropertyMap );
100 RegisterVisual( Toolkit::ImageView::Property::IMAGE, mVisual );
102 Property::Value* widthValue = mPropertyMap.Find( "width" );
106 if( widthValue->Get( width ) )
108 mImageSize = ImageDimensions( width, mImageSize.GetHeight() );
112 Property::Value* heightValue = mPropertyMap.Find( "height" );
116 if( heightValue->Get( height ) )
118 mImageSize = ImageDimensions( mImageSize.GetWidth(), height );
125 void ImageView::SetImage( const std::string& url, ImageDimensions size )
127 if( ( mUrl != url ) ||
128 mImage || // If we're changing from an Image type to a URL type
129 ! mPropertyMap.Empty() ) // If we're changing from a property map type to a URL type
132 mPropertyMap.Clear();
136 if( size.GetWidth() != 0u && size.GetHeight() != 0u )
141 mVisual = Toolkit::VisualFactory::Get().CreateVisual( url, size );
142 RegisterVisual( Toolkit::ImageView::Property::IMAGE, mVisual );
148 Image ImageView::GetImage() const
153 void ImageView::EnablePreMultipliedAlpha( bool preMultipled )
157 Toolkit::GetImplementation( mVisual ).EnablePreMultipliedAlpha( preMultipled );
161 bool ImageView::IsPreMultipliedAlphaEnabled() const
165 return Toolkit::GetImplementation( mVisual ).IsPreMultipliedAlphaEnabled();
170 void ImageView::SetDepthIndex( int depthIndex )
174 mVisual.SetDepthIndex( depthIndex );
178 Vector3 ImageView::GetNaturalSize()
182 Vector2 rendererNaturalSize;
183 mVisual.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 );
227 void ImageView::OnRelayout( const Vector2& size, RelayoutContainer& container )
229 Control::OnRelayout( size, container );
233 // Pass in an empty map which uses default transform values meaning our visual fills the control
234 // Should provide a transform that handles aspect ratio according to image size
235 mVisual.SetTransformAndSize( Property::Map(), size );
239 ///////////////////////////////////////////////////////////
244 void ImageView::SetProperty( BaseObject* object, Property::Index index, const Property::Value& value )
246 Toolkit::ImageView imageView = Toolkit::ImageView::DownCast( Dali::BaseHandle( object ) );
250 ImageView& impl = GetImpl( imageView );
253 case Toolkit::ImageView::Property::RESOURCE_URL:
255 std::string imageUrl;
256 if( value.Get( imageUrl ) )
258 impl.SetImage( imageUrl, ImageDimensions() );
263 case Toolkit::ImageView::Property::IMAGE:
265 std::string imageUrl;
267 if( value.Get( imageUrl ) )
269 impl.SetImage( imageUrl, ImageDimensions() );
271 // if its not a string then get a Property::Map from the property if possible.
274 map = value.GetMap();
277 Property::Value* shaderValue = map->Find( Toolkit::DevelVisual::Property::SHADER, CUSTOM_SHADER );
278 // set image only if property map contains image information other than custom shader
279 if( map->Count() > 1u || !shaderValue )
281 impl.SetImage( *map );
283 // the property map contains only the custom shader
284 else if( ( impl.mVisual )&&( map->Count() == 1u )&&( shaderValue ) )
286 Property::Map* shaderMap = shaderValue->GetMap();
289 Internal::Visual::Base& visual = Toolkit::GetImplementation( impl.mVisual );
290 visual.SetCustomShader( *shaderMap );
291 if( imageView.OnStage() )
293 // force to create new core renderer to use the newly set shader
294 visual.SetOffStage( imageView );
295 visual.SetOnStage( imageView );
304 case Toolkit::ImageView::Property::PRE_MULTIPLIED_ALPHA:
307 if( value.Get( isPre ) )
309 impl.EnablePreMultipliedAlpha( isPre );
317 Property::Value ImageView::GetProperty( BaseObject* object, Property::Index propertyIndex )
319 Property::Value value;
321 Toolkit::ImageView imageview = Toolkit::ImageView::DownCast( Dali::BaseHandle( object ) );
325 ImageView& impl = GetImpl( imageview );
326 switch ( propertyIndex )
328 case Toolkit::ImageView::Property::RESOURCE_URL:
330 if ( !impl.mUrl.empty() )
337 case Toolkit::ImageView::Property::IMAGE:
339 if ( !impl.mUrl.empty() )
343 else if( impl.mImage )
346 Scripting::CreatePropertyMap( impl.mImage, map );
349 else if( !impl.mPropertyMap.Empty() )
351 value = impl.mPropertyMap;
356 case Toolkit::ImageView::Property::PRE_MULTIPLIED_ALPHA:
358 value = impl.IsPreMultipliedAlphaEnabled();
367 } // namespace Internal
368 } // namespace Toolkit