-//
// Copyright (c) 2014 Samsung Electronics Co., Ltd.
-//
-// Licensed under the Flora License, Version 1.0 (the License);
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://floralicense.org/license/
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an AS IS BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-//
-#include <dali-toolkit/internal/controls/image-view/image-view-impl.h>
-#include <dali-toolkit/public-api/shader-effects/distance-field-effect.h>
+// CLASS HEADER
+#include "image-view-impl.h"
-using namespace Dali;
+// EXTERNAL INCLUDES
+#include <dali/public-api/images/resource-image.h>
+#include <dali/public-api/object/type-registry.h>
+#include <dali/devel-api/object/type-registry-helper.h>
+#include <dali/devel-api/scripting/scripting.h>
+
+// INTERNAL INCLUDES
+#include <dali-toolkit/public-api/controls/image-view/image-view.h>
+#include <dali-toolkit/devel-api/controls/renderer-factory/renderer-factory.h>
+#include <dali-toolkit/internal/controls/renderers/image/image-renderer.h>
+
+namespace Dali
+{
+
+namespace Toolkit
+{
+
+namespace Internal
+{
namespace
{
-//Type registration
+
BaseHandle Create()
{
return Toolkit::ImageView::New();
}
-TypeRegistration mType( typeid(Toolkit::ImageView), typeid(Toolkit::Control), Create );
-
- /**
- * CameraDetailConstraint, generates detail value
- * based on camera's position and ImageView's position.
- */
- struct CameraDetailConstraint
- {
- CameraDetailConstraint(float detailFactor)
- : mDetailFactor(detailFactor)
- {
-
- }
- float operator()(const float& current,
- const PropertyInput& propertyTargetPosition,
- const PropertyInput& propertySourcePosition)
- {
- const Vector3& targetPosition = propertyTargetPosition.GetVector3();
- const Vector3& sourcePosition = propertySourcePosition.GetVector3();
- const float distance = (targetPosition - sourcePosition).Length();
- const float detail = mDetailFactor / distance;
-
- return detail;
- }
-
- const float mDetailFactor;
- };
+// Setup properties, signals and actions using the type-registry.
+DALI_TYPE_REGISTRATION_BEGIN( Toolkit::ImageView, Toolkit::Control, Create );
+DALI_PROPERTY_REGISTRATION( Toolkit, ImageView, "image", MAP, IMAGE )
+DALI_TYPE_REGISTRATION_END()
-} // unnamed namespace
+} // anonymous namespace
-namespace Dali
-{
+using namespace Dali;
-namespace Toolkit
+ImageView::ImageView()
+: Control( ControlBehaviour( ACTOR_BEHAVIOUR_NONE ) )
{
+}
-namespace Internal
+ImageView::~ImageView()
{
+}
-///////////////////////////////////////////////////////////////////////////////////////////////////
-// ImageView
-///////////////////////////////////////////////////////////////////////////////////////////////////
-
-Dali::Toolkit::ImageView ImageView::New()
+Toolkit::ImageView ImageView::New()
{
- // Create the implementation
- ImageViewPtr imageView(new ImageView());
+ ImageView* impl = new ImageView();
- // Pass ownership to CustomActor via derived handle
- Dali::Toolkit::ImageView handle(*imageView);
+ Toolkit::ImageView handle = Toolkit::ImageView( *impl );
// Second-phase init of the implementation
// This can only be done after the CustomActor connection has been made...
- imageView->Initialize();
+ impl->Initialize();
return handle;
}
-ImageView::ImageView()
-: ControlImpl(true)
+/////////////////////////////////////////////////////////////
+
+void ImageView::SetImage( Image image )
{
+ if( ( mImage != image ) ||
+ ! mUrl.empty() || // If we're changing from a URL type to an Image type
+ ! mPropertyMap.Empty() ) // If we're changing from a property map type to an Image type
+ {
+ mUrl.clear();
+ mPropertyMap.Clear();
+
+ mImage = image;
+
+ Actor self = Self();
+ Toolkit::RendererFactory::Get().ResetRenderer( mRenderer, self, image );
+ mImageSize = image ? ImageDimensions( image.GetWidth(), image.GetHeight() ) : ImageDimensions( 0, 0 );
+
+ RelayoutRequest();
+ }
}
-void ImageView::Initialize()
+void ImageView::SetImage( Property::Map map )
{
+ mUrl.clear();
+ mImage.Reset();
+ mPropertyMap = map;
+
Actor self = Self();
- // Register property that represents the level of detail.
- mPropertyDetail = self.RegisterProperty(Toolkit::ImageView::DETAIL_PROPERTY_NAME, 0.0f);
-
- // Create an empty image actor, filling the entire size of this ImageView.
- Image emptyImage;
- mImageActor = ImageActor::New( emptyImage );
- self.Add( mImageActor );
- mImageActor.ApplyConstraint( Constraint::New<Vector3>( Actor::SIZE, ParentSource( Actor::SIZE ), EqualToConstraint() ) );
- mImageActor.SetParentOrigin( ParentOrigin::CENTER );
-}
+ Toolkit::RendererFactory::Get().ResetRenderer( mRenderer, self, mPropertyMap );
-ImageView::~ImageView()
-{
+ int width = 0;
+ Property::Value* widthValue = mPropertyMap.Find( "width" );
+ if( widthValue )
+ {
+ widthValue->Get( width );
+ }
+
+ int height = 0;
+ Property::Value* heightValue = mPropertyMap.Find( "height" );
+ if( heightValue )
+ {
+ heightValue->Get( height );
+ }
+ mImageSize = ImageDimensions( width, height );
+
+ RelayoutRequest();
}
-void ImageView::SetImage(const std::string& filename, ImageType type, float min, float max)
+void ImageView::SetImage( const std::string& url, ImageDimensions size )
{
- switch(type)
+ if( ( mUrl != url ) ||
+ mImage || // If we're changing from an Image type to a URL type
+ ! mPropertyMap.Empty() ) // If we're changing from a property map type to a URL type
{
- case Toolkit::ImageView::BitmapType:
+ mImage.Reset();
+ mPropertyMap.Clear();
+
+ mUrl = url;
+
+ if( size.GetWidth() == 0u && size.GetHeight() == 0u )
{
- SetImageBitmap(filename, min, max);
- break;
+ mImageSize = ResourceImage::GetImageSize( mUrl );
}
- case Toolkit::ImageView::DistanceFieldType:
+ else
{
- SetImageDistanceField(filename);
- break;
+ mImageSize = size;
}
+
+ Actor self = Self();
+ Toolkit::RendererFactory::Get().ResetRenderer( mRenderer, self, mUrl, mImageSize );
+
+ RelayoutRequest();
}
}
-void ImageView::SetImageBitmap(const std::string& filename, float min, float max)
+Vector3 ImageView::GetNaturalSize()
{
- int minLevel = ceilf(logf(min) / logf(2.0f));
- int maxLevel = ceilf(logf(max) / logf(2.0f));
+ Vector3 size;
- ImageAttributes attributes;
- const Vector3 size = Self().GetCurrentSize();
+ size.x = mImageSize.GetWidth();
+ size.y = mImageSize.GetHeight();
+ size.z = std::min(size.x, size.y);
- if(minLevel==maxLevel)
- { // Single image detail level, no need for any notifications.
- const float detail = powf(2.0f, maxLevel);
- attributes.SetSize( size.x * detail, size.y * detail );
- Image image = Image::New( filename, attributes);
- mImageActor.SetImage( image );
+ if( size.x > 0 && size.y > 0 )
+ {
+ return size;
}
else
- { // Multi image detail level...
- for( int level = minLevel; level <= maxLevel; level++)
- {
- const float minDetail = powf(2.0f, level - 1);
- const float maxDetail = powf(2.0f, level);
- ImageRequest req(filename, size.x * maxDetail, size.y * maxDetail );
-
- if(level==minLevel)
- {
- AddImage(req, LessThanCondition(maxDetail) );
- }
- else if(level==maxLevel)
- {
- AddImage(req, GreaterThanCondition(minDetail) );
- }
- else
- {
- AddImage(req, InsideCondition(minDetail, maxDetail) );
- }
- }
+ {
+ // if no image then use Control's natural size
+ return Control::GetNaturalSize();
}
}
-void ImageView::SetImageDistanceField(const std::string& filename)
+float ImageView::GetHeightForWidth( float width )
{
- ImageAttributes attributes = Dali::ImageAttributes::NewDistanceField(1.0f, 1);
- const Vector3 size = Self().GetCurrentSize();
-
- attributes.SetSize( size.x, size.y );
- Image image = Image::NewDistanceField(filename, attributes);
- mImageActor.SetImage( image );
-
- DistanceFieldEffect effect = DistanceFieldEffect::New();
- Self().SetShaderEffect( effect );
+ if( mImageSize.GetWidth() > 0 && mImageSize.GetHeight() > 0 )
+ {
+ return GetHeightForWidthBase( width );
+ }
+ else
+ {
+ return Control::GetHeightForWidth( width );
+ }
}
-void ImageView::SetImage(Image image)
+float ImageView::GetWidthForHeight( float height )
{
- mImageActor.SetImage( image );
+ if( mImageSize.GetWidth() > 0 && mImageSize.GetHeight() > 0 )
+ {
+ return GetWidthForHeightBase( height );
+ }
+ else
+ {
+ return Control::GetWidthForHeight( height );
+ }
}
-void ImageView::AddImage(ImageRequest& req, PropertyCondition condition)
-{
- Actor self = Self();
-
- PropertyNotification notification = self.AddPropertyNotification( mPropertyDetail, condition );
+///////////////////////////////////////////////////////////
+//
+// Private methods
+//
- notification.NotifySignal().Connect( this, &ImageView::OnDetailChange );
+void ImageView::OnStageConnection( int depth )
+{
+ Control::OnStageConnection( depth );
- mNotifications[notification] = req;
+ if( mRenderer )
+ {
+ CustomActor self = Self();
+ mRenderer.SetOnStage( self );
+ }
}
-void ImageView::SetDetail(float detail)
+void ImageView::OnStageDisconnection()
{
- Self().SetProperty( mPropertyDetail, detail );
+ if( mRenderer )
+ {
+ CustomActor self = Self();
+ mRenderer.SetOffStage( self );
+ }
+
+ Control::OnStageDisconnection();
}
-void ImageView::SetCameraActor(CameraActor camera, float detailFactor)
+
+///////////////////////////////////////////////////////////
+//
+// Properties
+//
+
+void ImageView::SetProperty( BaseObject* object, Property::Index index, const Property::Value& value )
{
- Constraint constraint = Constraint::New<float>( mPropertyDetail,
- LocalSource( Actor::WORLD_POSITION ),
- Source( camera, Actor::WORLD_POSITION ),
- CameraDetailConstraint(detailFactor));
- Self().RemoveConstraints();
- Self().ApplyConstraint(constraint);
+ Toolkit::ImageView imageView = Toolkit::ImageView::DownCast( Dali::BaseHandle( object ) );
+
+ if ( imageView )
+ {
+ switch ( index )
+ {
+ case Toolkit::ImageView::Property::IMAGE:
+ {
+ std::string imageUrl;
+ if( value.Get( imageUrl ) )
+ {
+ ImageView& impl = GetImpl( imageView );
+ impl.SetImage( imageUrl, ImageDimensions() );
+ }
+
+ // if its not a string then get a Property::Map from the property if possible.
+ Property::Map map;
+ if( value.Get( map ) )
+ {
+ ImageView& impl = GetImpl( imageView );
+ impl.SetImage( map );
+ }
+
+ break;
+ }
+ }
+ }
}
-void ImageView::OnDetailChange( PropertyNotification& notification )
+Property::Value ImageView::GetProperty( BaseObject* object, Property::Index propertyIndex )
{
- ImageRequest& req = mNotifications[notification];
- Image image = Image::New( req.mFilename, req.mAttributes );
- mImageActor.SetImage( image );
+ Property::Value value;
+
+ Toolkit::ImageView imageview = Toolkit::ImageView::DownCast( Dali::BaseHandle( object ) );
+
+ if ( imageview )
+ {
+ switch ( propertyIndex )
+ {
+ case Toolkit::ImageView::Property::IMAGE:
+ {
+ ImageView& impl = GetImpl( imageview );
+ if ( !impl.mUrl.empty() )
+ {
+ value = impl.mUrl;
+ }
+ else if( impl.mImage )
+ {
+ Property::Map map;
+ Scripting::CreatePropertyMap( impl.mImage, map );
+ value = map;
+ }
+ else if( !impl.mPropertyMap.Empty() )
+ {
+ value = impl.mPropertyMap;
+ }
+ break;
+ }
+ }
+ }
+
+ return value;
}
} // namespace Internal
-
} // namespace Toolkit
-
} // namespace Dali
projects / platform / core / uifw / dali-toolkit.git / blobdiff