X-Git-Url: http://review.tizen.org/git/?p=platform%2Fcore%2Fuifw%2Fdali-toolkit.git;a=blobdiff_plain;f=dali-toolkit%2Finternal%2Fcontrols%2Fimage-view%2Fimage-view-impl.cpp;h=e47d1cd22bbf045db498c508d359d097cce7445c;hp=52b253613abe37961828638c2039cfb2bd33926d;hb=c87446dd57403afc21d11544d162df31c00922ee;hpb=e2eda444afbe82e9591fe198eef339227f90a616 diff --git a/dali-toolkit/internal/controls/image-view/image-view-impl.cpp b/dali-toolkit/internal/controls/image-view/image-view-impl.cpp old mode 100644 new mode 100755 index 52b2536..20869d3 --- a/dali-toolkit/internal/controls/image-view/image-view-impl.cpp +++ b/dali-toolkit/internal/controls/image-view/image-view-impl.cpp @@ -1,223 +1,447 @@ -// -// 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. -// +/* + * Copyright (c) 2018 Samsung Electronics Co., Ltd. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * 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. + * + */ + +// CLASS HEADER +#include "image-view-impl.h" + +// EXTERNAL INCLUDES +#include +#include +#include +#include + +// INTERNAL INCLUDES +#include +#include +#include +#include +#include +#include +#include -#include -#include +namespace Dali +{ -using 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; +// Setup properties, signals and actions using the type-registry. +DALI_TYPE_REGISTRATION_BEGIN( Toolkit::ImageView, Toolkit::Control, Create ); +DALI_PROPERTY_REGISTRATION( Toolkit, ImageView, "resourceUrl", STRING, RESOURCE_URL ) +DALI_PROPERTY_REGISTRATION( Toolkit, ImageView, "image", MAP, IMAGE ) +DALI_PROPERTY_REGISTRATION( Toolkit, ImageView, "preMultipliedAlpha", BOOLEAN, PRE_MULTIPLIED_ALPHA ) - return detail; - } +DALI_ANIMATABLE_PROPERTY_REGISTRATION_WITH_DEFAULT( Toolkit, ImageView, "pixelArea", Vector4(0.f, 0.f, 1.f, 1.f), PIXEL_AREA ) +DALI_TYPE_REGISTRATION_END() - const float mDetailFactor; - }; +} // anonymous namespace -} // unnamed namespace - -namespace Dali -{ +using namespace Dali; -namespace Toolkit +ImageView::ImageView() +: Control( ControlBehaviour( CONTROL_BEHAVIOUR_DEFAULT ) ) { +} -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::OnInitialize() { + // ImageView can relayout in the OnImageReady, alternative to a signal would be to have a upcall from the Control to ImageView + Dali::Toolkit::Control handle( GetOwner() ); + handle.ResourceReadySignal().Connect( this, &ImageView::OnResourceReady ); } -void ImageView::Initialize() +void ImageView::SetImage( Image image ) { - Actor self = Self(); - // Register property that represents the level of detail. - mPropertyDetail = self.RegisterProperty(Toolkit::ImageView::DETAIL_PROPERTY_NAME, 0.0f); + // Don't bother comparing if we had a visual previously, just drop old visual and create new one + mImage = image; + mUrl.clear(); + mPropertyMap.Clear(); - // 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( Actor::SIZE, ParentSource( Actor::SIZE ), EqualToConstraint() ) ); - mImageActor.SetParentOrigin( ParentOrigin::CENTER ); -} + Toolkit::Visual::Base visual = Toolkit::VisualFactory::Get().CreateVisual( image ); + if( visual ) + { + if( !mVisual ) + { + mVisual = visual; + } -ImageView::~ImageView() -{ + DevelControl::RegisterVisual( *this, Toolkit::ImageView::Property::IMAGE, visual ); + } + else + { + // Unregister the exsiting visual + DevelControl::UnregisterVisual( *this, Toolkit::ImageView::Property::IMAGE ); + // Trigger a size negotiation request that may be needed when unregistering a visual. + RelayoutRequest(); + } } -void ImageView::SetImage(const std::string& filename, ImageType type, float min, float max) +void ImageView::SetImage( const Property::Map& map ) { - switch(type) + // Comparing a property map is too expensive so just creating a new visual + mPropertyMap = map; + mUrl.clear(); + mImage.Reset(); + + Toolkit::Visual::Base visual = Toolkit::VisualFactory::Get().CreateVisual( mPropertyMap ); + if( visual ) { - case Toolkit::ImageView::BitmapType: + // Don't set mVisual until it is ready and shown. Getters will still use current visual. + if( !mVisual ) { - SetImageBitmap(filename, min, max); - break; + mVisual = visual; } - case Toolkit::ImageView::DistanceFieldType: + + DevelControl::RegisterVisual( *this, Toolkit::ImageView::Property::IMAGE, visual ); + } + else + { + // Unregister the exsiting visual + DevelControl::UnregisterVisual( *this, Toolkit::ImageView::Property::IMAGE ); + + // Trigger a size negotiation request that may be needed when unregistering a visual. + RelayoutRequest(); + } +} + +void ImageView::SetImage( const std::string& url, ImageDimensions size ) +{ + // Don't bother comparing if we had a visual previously, just drop old visual and create new one + mUrl = url; + mImage.Reset(); + mPropertyMap.Clear(); + + // Don't set mVisual until it is ready and shown. Getters will still use current visual. + Toolkit::Visual::Base visual = Toolkit::VisualFactory::Get().CreateVisual( url, size ); + if( visual ) + { + if( !mVisual ) { - SetImageDistanceField(filename); - break; + mVisual = visual; } + + DevelControl::RegisterVisual( *this, Toolkit::ImageView::Property::IMAGE, visual ); + } + else + { + // Unregister the exsiting visual + DevelControl::UnregisterVisual( *this, Toolkit::ImageView::Property::IMAGE ); + + // Trigger a size negotiation request that may be needed when unregistering a visual. + RelayoutRequest(); } } -void ImageView::SetImageBitmap(const std::string& filename, float min, float max) +Image ImageView::GetImage() const { - int minLevel = ceilf(logf(min) / logf(2.0f)); - int maxLevel = ceilf(logf(max) / logf(2.0f)); + return mImage; +} - ImageAttributes attributes; - const Vector3 size = Self().GetCurrentSize(); +void ImageView::EnablePreMultipliedAlpha( bool preMultipled ) +{ + if( mVisual ) + { + Toolkit::GetImplementation( mVisual ).EnablePreMultipliedAlpha( preMultipled ); + } +} - 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 ); +bool ImageView::IsPreMultipliedAlphaEnabled() const +{ + if( mVisual ) + { + return Toolkit::GetImplementation( mVisual ).IsPreMultipliedAlphaEnabled(); } - 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 ); + return false; +} - if(level==minLevel) - { - AddImage(req, LessThanCondition(maxDetail) ); - } - else if(level==maxLevel) - { - AddImage(req, GreaterThanCondition(minDetail) ); - } - else - { - AddImage(req, InsideCondition(minDetail, maxDetail) ); - } - } +void ImageView::SetDepthIndex( int depthIndex ) +{ + if( mVisual ) + { + mVisual.SetDepthIndex( depthIndex ); } } -void ImageView::SetImageDistanceField(const std::string& filename) +Vector3 ImageView::GetNaturalSize() { - ImageAttributes attributes = Dali::ImageAttributes::NewDistanceField(1.0f, 1); - const Vector3 size = Self().GetCurrentSize(); + if( mVisual ) + { + Vector2 rendererNaturalSize; + mVisual.GetNaturalSize( rendererNaturalSize ); + + Extents padding; + padding = Self().GetProperty( Toolkit::Control::Property::PADDING ); - attributes.SetSize( size.x, size.y ); - Image image = Image::NewDistanceField(filename, attributes); - mImageActor.SetImage( image ); + rendererNaturalSize.width += ( padding.start + padding.end ); + rendererNaturalSize.height += ( padding.top + padding.bottom ); + return Vector3( rendererNaturalSize ); + } + + // if no visual then use Control's natural size + return Control::GetNaturalSize(); +} + +float ImageView::GetHeightForWidth( float width ) +{ + Extents padding; + padding = Self().GetProperty( Toolkit::Control::Property::PADDING ); - DistanceFieldEffect effect = DistanceFieldEffect::New(); - Self().SetShaderEffect( effect ); + if( mVisual ) + { + return mVisual.GetHeightForWidth( width ) + padding.top + padding.bottom; + } + else + { + return Control::GetHeightForWidth( width ) + padding.top + padding.bottom; + } } -void ImageView::SetImage(Image image) +float ImageView::GetWidthForHeight( float height ) { - mImageActor.SetImage( image ); + Extents padding; + padding = Self().GetProperty( Toolkit::Control::Property::PADDING ); + + if( mVisual ) + { + return mVisual.GetWidthForHeight( height ) + padding.start + padding.end; + } + else + { + return Control::GetWidthForHeight( height ) + padding.start + padding.end; + } } -void ImageView::AddImage(ImageRequest& req, PropertyCondition condition) +void ImageView::OnRelayout( const Vector2& size, RelayoutContainer& container ) { - Actor self = Self(); + Control::OnRelayout( size, container ); + + if( mVisual ) + { + Property::Map transformMap = Property::Map(); + + // Don't transform if fitting mode is FILL + if(Toolkit::GetImplementation(mVisual).GetFittingMode() == Visual::FittingMode::FIT_KEEP_ASPECT_RATIO) + { + Extents padding; + padding = Self().GetProperty( Toolkit::Control::Property::PADDING ); + + Dali::LayoutDirection::Type layoutDirection = static_cast( + Self().GetProperty(Dali::Actor::Property::LAYOUT_DIRECTION).Get()); + + if (Dali::LayoutDirection::RIGHT_TO_LEFT == layoutDirection) + { + std::swap(padding.start, padding.end); + } + + // remove padding from the size to know how much is left for the visual + auto paddedSize = size - Vector2(padding.start + padding.end, padding.top + padding.bottom); + + Vector2 naturalSize; + mVisual.GetNaturalSize(naturalSize); + + // scale to fit the padded area + auto finalSize = + naturalSize * std::min( ( naturalSize.width ? ( paddedSize.width / naturalSize.width ) : 0 ), + ( naturalSize.height ? ( paddedSize.height / naturalSize.height ) : 0 ) ); - PropertyNotification notification = self.AddPropertyNotification( mPropertyDetail, condition ); + // calculate final offset within the padded area + auto finalOffset = Vector2(padding.start, padding.top) + (paddedSize - finalSize) * .5f; - notification.NotifySignal().Connect( this, &ImageView::OnDetailChange ); + // populate the transform map + transformMap.Add(Toolkit::Visual::Transform::Property::OFFSET, finalOffset) + .Add(Toolkit::Visual::Transform::Property::OFFSET_POLICY, + Vector2(Toolkit::Visual::Transform::Policy::ABSOLUTE, Toolkit::Visual::Transform::Policy::ABSOLUTE)) + .Add(Toolkit::Visual::Transform::Property::ORIGIN, Toolkit::Align::TOP_BEGIN) + .Add(Toolkit::Visual::Transform::Property::ANCHOR_POINT, Toolkit::Align::TOP_BEGIN) + .Add(Toolkit::Visual::Transform::Property::SIZE, finalSize) + .Add(Toolkit::Visual::Transform::Property::SIZE_POLICY, + Vector2(Toolkit::Visual::Transform::Policy::ABSOLUTE, Toolkit::Visual::Transform::Policy::ABSOLUTE)); - mNotifications[notification] = req; + } + // Should provide a transform that handles aspect ratio according to image size + mVisual.SetTransformAndSize( transformMap, size ); + } } -void ImageView::SetDetail(float detail) +void ImageView::OnResourceReady( Toolkit::Control control ) { - Self().SetProperty( mPropertyDetail, detail ); + // Visual ready so update visual attached to this ImageView, following call to RelayoutRequest will use this visual. + mVisual = DevelControl::GetVisual( *this, Toolkit::ImageView::Property::IMAGE ); } -void ImageView::SetCameraActor(CameraActor camera, float detailFactor) +/////////////////////////////////////////////////////////// +// +// Properties +// + +void ImageView::SetProperty( BaseObject* object, Property::Index index, const Property::Value& value ) { - Constraint constraint = Constraint::New( 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 ) + { + ImageView& impl = GetImpl( imageView ); + switch ( index ) + { + case Toolkit::ImageView::Property::RESOURCE_URL: + { + std::string imageUrl; + if( value.Get( imageUrl ) ) + { + impl.SetImage( imageUrl, ImageDimensions() ); + } + break; + } + + case Toolkit::ImageView::Property::IMAGE: + { + std::string imageUrl; + Property::Map* map; + if( value.Get( imageUrl ) ) + { + impl.SetImage( imageUrl, ImageDimensions() ); + } + // if its not a string then get a Property::Map from the property if possible. + else + { + map = value.GetMap(); + if( map ) + { + Property::Value* shaderValue = map->Find( Toolkit::Visual::Property::SHADER, CUSTOM_SHADER ); + // set image only if property map contains image information other than custom shader + if( map->Count() > 1u || !shaderValue ) + { + impl.SetImage( *map ); + } + // the property map contains only the custom shader + else if( ( impl.mVisual )&&( map->Count() == 1u )&&( shaderValue ) ) + { + Property::Map* shaderMap = shaderValue->GetMap(); + if( shaderMap ) + { + Internal::Visual::Base& visual = Toolkit::GetImplementation( impl.mVisual ); + visual.SetCustomShader( *shaderMap ); + if( imageView.OnStage() ) + { + // force to create new core renderer to use the newly set shader + visual.SetOffStage( imageView ); + visual.SetOnStage( imageView ); + } + } + } + } + } + break; + } + + case Toolkit::ImageView::Property::PRE_MULTIPLIED_ALPHA: + { + bool isPre; + if( value.Get( isPre ) ) + { + impl.EnablePreMultipliedAlpha( isPre ); + } + 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 ) + { + ImageView& impl = GetImpl( imageview ); + switch ( propertyIndex ) + { + case Toolkit::ImageView::Property::RESOURCE_URL: + { + if ( !impl.mUrl.empty() ) + { + value = impl.mUrl; + } + break; + } + + case Toolkit::ImageView::Property::IMAGE: + { + 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; + } + + case Toolkit::ImageView::Property::PRE_MULTIPLIED_ALPHA: + { + value = impl.IsPreMultipliedAlphaEnabled(); + break; + } + } + } + + return value; } } // namespace Internal - } // namespace Toolkit - } // namespace Dali