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=06e823e2171936cb581638256e87e0570c9a5a94;hp=80f1ee472d562a851a80743484d778d427ea6a9a;hb=627f8ecadebd42a6678a8332a0c3e9704905687c;hpb=6fac6c064c9002b166b6292d0814fea8f16d7467 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 80f1ee4..06e823e --- a/dali-toolkit/internal/controls/image-view/image-view-impl.cpp +++ b/dali-toolkit/internal/controls/image-view/image-view-impl.cpp @@ -1,4 +1,19 @@ -// Copyright (c) 2016 Samsung Electronics Co., Ltd. +/* + * Copyright (c) 2019 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" @@ -11,7 +26,8 @@ // INTERNAL INCLUDES #include -#include +#include +#include #include #include #include @@ -48,7 +64,9 @@ DALI_TYPE_REGISTRATION_END() using namespace Dali; ImageView::ImageView() -: Control( ControlBehaviour( CONTROL_BEHAVIOUR_DEFAULT ) ) +: Control( ControlBehaviour( CONTROL_BEHAVIOUR_DEFAULT ) ), + mImageSize(), + mImageVisualPaddingSetByTransform( false ) { } @@ -71,6 +89,13 @@ 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 @@ -78,10 +103,32 @@ void ImageView::SetImage( Image image ) mUrl.clear(); mPropertyMap.Clear(); - mVisual = Toolkit::VisualFactory::Get().CreateVisual( image ); - RegisterVisual( Toolkit::ImageView::Property::IMAGE, mVisual ); + Toolkit::Visual::Base visual = Toolkit::VisualFactory::Get().CreateVisual( image ); + if( visual ) + { + if( !mVisual ) + { + mVisual = visual; + } + + if( !mShaderMap.Empty() ) + { + Internal::Visual::Base& visualImpl = Toolkit::GetImplementation( visual ); + visualImpl.SetCustomShader( mShaderMap ); + } + + DevelControl::RegisterVisual( *this, Toolkit::ImageView::Property::IMAGE, visual ); + } + else + { + // Unregister the existing visual + DevelControl::UnregisterVisual( *this, Toolkit::ImageView::Property::IMAGE ); + + // Trigger a size negotiation request that may be needed when unregistering a visual. + RelayoutRequest(); + } - RelayoutRequest(); + // Signal that a Relayout may be needed } void ImageView::SetImage( const Property::Map& map ) @@ -91,23 +138,70 @@ void ImageView::SetImage( const Property::Map& map ) mUrl.clear(); mImage.Reset(); - mVisual = Toolkit::VisualFactory::Get().CreateVisual( mPropertyMap ); - RegisterVisual( 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; + } + + if( !mShaderMap.Empty() ) + { + Internal::Visual::Base& visualImpl = Toolkit::GetImplementation( visual ); + visualImpl.SetCustomShader( mShaderMap ); + } + + 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(); + } - RelayoutRequest(); + // Signal that a Relayout may be needed } 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; + mImageSize = size; mImage.Reset(); mPropertyMap.Clear(); - mVisual = Toolkit::VisualFactory::Get().CreateVisual( url, size ); - RegisterVisual( 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; + } + + if( !mShaderMap.Empty() ) + { + Internal::Visual::Base& visualImpl = Toolkit::GetImplementation( visual ); + visualImpl.SetCustomShader( mShaderMap ); + } + + 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(); + } - RelayoutRequest(); + // Signal that a Relayout may be needed } Image ImageView::GetImage() const @@ -146,6 +240,12 @@ 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 ); } @@ -155,25 +255,31 @@ 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; } } @@ -183,12 +289,84 @@ 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 - // Should provide a transform that handles aspect ratio according to image size - mVisual.SetTransformAndSize( Property::Map(), size ); + Property::Map transformMap = Property::Map(); + + Extents padding = Self().GetProperty( Toolkit::Control::Property::PADDING ); + const Visual::FittingMode fittingMode = Toolkit::GetImplementation(mVisual).GetFittingMode(); + + bool zeroPadding = ( padding == Extents() ); + if( ( !zeroPadding ) || // If padding is not zero + ( fittingMode == Visual::FittingMode::FIT_KEEP_ASPECT_RATIO ) ) + { + 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 ); + } + + auto finalOffset = Vector2( padding.start, padding.top ); + mImageVisualPaddingSetByTransform = true; + + // remove padding from the size to know how much is left for the visual + auto finalSize = size - Vector2( padding.start + padding.end, padding.top + padding.bottom ); + + // Should provide a transform that handles aspect ratio according to image size + if( fittingMode == Visual::FittingMode::FIT_KEEP_ASPECT_RATIO ) + { + auto availableVisualSize = finalSize; + + Vector2 naturalSize; + mVisual.GetNaturalSize( naturalSize ); + + // scale to fit the padded area + finalSize = naturalSize * std::min( ( naturalSize.width ? ( availableVisualSize.width / naturalSize.width ) : 0 ), + ( naturalSize.height ? ( availableVisualSize.height / naturalSize.height ) : 0 ) ); + + // calculate final offset within the padded area + finalOffset += ( availableVisualSize - finalSize ) * .5f; + } + + // 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 ) ); + } + else if ( mImageVisualPaddingSetByTransform && zeroPadding ) // Reset offset to zero only if padding applied previously + { + mImageVisualPaddingSetByTransform = false; + // Reset the transform map + transformMap.Add( Toolkit::Visual::Transform::Property::OFFSET, Vector2::ZERO ) + .Add( Toolkit::Visual::Transform::Property::OFFSET_POLICY, + Vector2( Toolkit::Visual::Transform::Policy::RELATIVE, Toolkit::Visual::Transform::Policy::RELATIVE ) ); + } + + + mVisual.SetTransformAndSize( transformMap, size ); + + // mVisual is not updated util the resource is ready in the case of visual replacement. + // So apply the transform and size to the new visual. + Toolkit::Visual::Base visual = DevelControl::GetVisual( *this, Toolkit::ImageView::Property::IMAGE ); + if( visual && visual != mVisual ) + { + visual.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 ); + // Signal that a Relayout may be needed +} + /////////////////////////////////////////////////////////// // // Properties @@ -227,25 +405,31 @@ 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 ) { impl.SetImage( *map ); } // the property map contains only the custom shader - else if( ( impl.mVisual )&&( map->Count() == 1u )&&( shaderValue ) ) + else if( ( 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() ) + impl.mShaderMap = *shaderMap; + + if( !impl.mUrl.empty() ) { - // force to create new core renderer to use the newly set shader - visual.SetOffStage( imageView ); - visual.SetOnStage( imageView ); + impl.SetImage( impl.mUrl, impl.mImageSize ); + } + else if( impl.mImage ) + { + impl.SetImage( impl.mImage ); + } + else if( !impl.mPropertyMap.Empty() ) + { + impl.SetImage( impl.mPropertyMap ); } } } @@ -299,9 +483,15 @@ Property::Value ImageView::GetProperty( BaseObject* object, Property::Index prop Scripting::CreatePropertyMap( impl.mImage, map ); value = map; } - else if( !impl.mPropertyMap.Empty() ) + else { - value = impl.mPropertyMap; + Property::Map map; + Toolkit::Visual::Base visual = DevelControl::GetVisual( impl, Toolkit::ImageView::Property::IMAGE ); + if( visual ) + { + visual.CreatePropertyMap( map ); + } + value = map; } break; }