X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=dali-toolkit%2Finternal%2Fcontrols%2Fimage-view%2Fimage-view-impl.cpp;h=529832f9f826b2b28e910f7002711da17040c3ec;hb=b4d349772a1e4efc51972233461c545de3c9463c;hp=b729f96f9905b86f2a788196e8ac3d024f44518c;hpb=59c28ffe7ae770ba86b1840760902fce5210cc92;p=platform%2Fcore%2Fuifw%2Fdali-toolkit.git 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 b729f96..529832f --- a/dali-toolkit/internal/controls/image-view/image-view-impl.cpp +++ b/dali-toolkit/internal/controls/image-view/image-view-impl.cpp @@ -1,5 +1,5 @@ /* - * Copyright (c) 2017 Samsung Electronics Co., Ltd. + * 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. @@ -27,7 +27,7 @@ // INTERNAL INCLUDES #include #include -#include +#include #include #include #include @@ -87,6 +87,13 @@ Toolkit::ImageView ImageView::New() ///////////////////////////////////////////////////////////// +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::SetImage( Image image ) { // Don't bother comparing if we had a visual previously, just drop old visual and create new one @@ -94,10 +101,24 @@ void ImageView::SetImage( Image image ) mUrl.clear(); mPropertyMap.Clear(); - mVisual = Toolkit::VisualFactory::Get().CreateVisual( image ); - DevelControl::RegisterVisual( *this, Toolkit::ImageView::Property::IMAGE, mVisual ); + Toolkit::Visual::Base visual = Toolkit::VisualFactory::Get().CreateVisual( image ); + if( visual ) + { + if( !mVisual ) + { + mVisual = visual; + } - RelayoutRequest(); + 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 Property::Map& map ) @@ -107,10 +128,25 @@ void ImageView::SetImage( const Property::Map& map ) mUrl.clear(); mImage.Reset(); - mVisual = Toolkit::VisualFactory::Get().CreateVisual( mPropertyMap ); - DevelControl::RegisterVisual( *this, Toolkit::ImageView::Property::IMAGE, mVisual ); + Toolkit::Visual::Base visual = Toolkit::VisualFactory::Get().CreateVisual( mPropertyMap ); + if( visual ) + { + // Don't set mVisual until it is ready and shown. Getters will still use current visual. + if( !mVisual ) + { + mVisual = visual; + } + + DevelControl::RegisterVisual( *this, Toolkit::ImageView::Property::IMAGE, visual ); + } + else + { + // Unregister the exsiting visual + DevelControl::UnregisterVisual( *this, Toolkit::ImageView::Property::IMAGE ); - RelayoutRequest(); + // Trigger a size negotiation request that may be needed when unregistering a visual. + RelayoutRequest(); + } } void ImageView::SetImage( const std::string& url, ImageDimensions size ) @@ -120,10 +156,25 @@ void ImageView::SetImage( const std::string& url, ImageDimensions size ) mImage.Reset(); mPropertyMap.Clear(); - mVisual = Toolkit::VisualFactory::Get().CreateVisual( url, size ); - DevelControl::RegisterVisual( *this, Toolkit::ImageView::Property::IMAGE, mVisual ); + // 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 ) + { + mVisual = visual; + } + + DevelControl::RegisterVisual( *this, Toolkit::ImageView::Property::IMAGE, visual ); + } + else + { + // Unregister the exsiting visual + DevelControl::UnregisterVisual( *this, Toolkit::ImageView::Property::IMAGE ); - RelayoutRequest(); + // Trigger a size negotiation request that may be needed when unregistering a visual. + RelayoutRequest(); + } } Image ImageView::GetImage() const @@ -178,6 +229,12 @@ Vector3 ImageView::GetNaturalSize() { Vector2 rendererNaturalSize; mVisual.GetNaturalSize( rendererNaturalSize ); + + Extents padding; + padding = Self().GetProperty( Toolkit::Control::Property::PADDING ); + + rendererNaturalSize.width += ( padding.start + padding.end ); + rendererNaturalSize.height += ( padding.top + padding.bottom ); return Vector3( rendererNaturalSize ); } @@ -187,25 +244,31 @@ Vector3 ImageView::GetNaturalSize() float ImageView::GetHeightForWidth( float width ) { + Extents padding; + padding = Self().GetProperty( Toolkit::Control::Property::PADDING ); + if( mVisual ) { - return mVisual.GetHeightForWidth( width ); + return mVisual.GetHeightForWidth( width ) + padding.top + padding.bottom; } else { - return Control::GetHeightForWidth( width ); + return Control::GetHeightForWidth( width ) + padding.top + padding.bottom; } } float ImageView::GetWidthForHeight( float height ) { + Extents padding; + padding = Self().GetProperty( Toolkit::Control::Property::PADDING ); + if( mVisual ) { - return mVisual.GetWidthForHeight( height ); + return mVisual.GetWidthForHeight( height ) + padding.start + padding.end; } else { - return Control::GetWidthForHeight( height ); + return Control::GetWidthForHeight( height ) + padding.start + padding.end; } } @@ -215,12 +278,65 @@ void ImageView::OnRelayout( const Vector2& size, RelayoutContainer& container ) if( mVisual ) { - // Pass in an empty map which uses default transform values meaning our visual fills the control + Property::Map transformMap = Property::Map(); + + 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 ) ); + + // calculate final offset within the padded area + auto finalOffset = Vector2( padding.start, padding.top ) + ( paddedSize - finalSize ) * .5f; + + // When set the margin on ImageView, the visual should be repositioned. + Extents margin = Self().GetProperty( Toolkit::Control::Property::MARGIN ); + if( ( margin.start != 0 ) || ( margin.end != 0 ) || ( margin.top != 0 ) || ( margin.bottom != 0 ) ) + { + if( Self().GetCurrentAnchorPoint() != AnchorPoint::CENTER ) + { + finalOffset.x += margin.start; + finalOffset.y += margin.top; + } + } + + // 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 ) ); + // Should provide a transform that handles aspect ratio according to image size - mVisual.SetTransformAndSize( Property::Map(), size ); + mVisual.SetTransformAndSize( transformMap, size ); } } +void ImageView::OnResourceReady( Toolkit::Control control ) +{ + // 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 ); +} + /////////////////////////////////////////////////////////// // // Properties @@ -259,7 +375,7 @@ void ImageView::SetProperty( BaseObject* object, Property::Index index, const Pr map = value.GetMap(); if( map ) { - Property::Value* shaderValue = map->Find( Toolkit::DevelVisual::Property::SHADER, CUSTOM_SHADER ); + 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 ) {