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=835bb4ecb2cb96722f599bf85da437d0edfc9745;hp=89e4c7b5877148caffa368f135bb7e7640f01ae6;hb=3ea0c6dd8536cc1ebd948f47f569bc8f09547e27;hpb=dcee19c07c4f38251b88ca0ad849c9a666cf20eb diff --git a/dali-toolkit/internal/controls/image-view/image-view-impl.cpp b/dali-toolkit/internal/controls/image-view/image-view-impl.cpp index 89e4c7b..835bb4e 100644 --- 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) 2017 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 @@ -71,76 +87,92 @@ 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 ) { - 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(); + // Don't bother comparing if we had a visual previously, just drop old visual and create new one + mImage = image; + mUrl.clear(); + mPropertyMap.Clear(); - mImage = image; + Toolkit::Visual::Base visual = Toolkit::VisualFactory::Get().CreateVisual( image ); + if( visual ) + { + if( !mVisual ) + { + mVisual = visual; + } - mVisual = Toolkit::VisualFactory::Get().CreateVisual( image ); - RegisterVisual( Toolkit::ImageView::Property::IMAGE, mVisual ); - mImageSize = image ? ImageDimensions( image.GetWidth(), image.GetHeight() ) : ImageDimensions( 0, 0 ); + 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( Property::Map map ) +void ImageView::SetImage( const Property::Map& map ) { + // Comparing a property map is too expensive so just creating a new visual + mPropertyMap = map; mUrl.clear(); mImage.Reset(); - mPropertyMap = map; - mVisual = Toolkit::VisualFactory::Get().CreateVisual( mPropertyMap ); - RegisterVisual( Toolkit::ImageView::Property::IMAGE, mVisual ); - - Property::Value* widthValue = mPropertyMap.Find( "width" ); - if( widthValue ) + Toolkit::Visual::Base visual = Toolkit::VisualFactory::Get().CreateVisual( mPropertyMap ); + if( visual ) { - int width; - if( widthValue->Get( width ) ) + // Don't set mVisual until it is ready and shown. Getters will still use current visual. + if( !mVisual ) { - mImageSize = ImageDimensions( width, mImageSize.GetHeight() ); + mVisual = visual; } - } - Property::Value* heightValue = mPropertyMap.Find( "height" ); - if( heightValue ) - { - int height; - if( heightValue->Get( height ) ) - { - mImageSize = ImageDimensions( mImageSize.GetWidth(), height ); - } + 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 ) { - 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 - { - mImage.Reset(); - mPropertyMap.Clear(); - - mUrl = url; + // Don't bother comparing if we had a visual previously, just drop old visual and create new one + mUrl = url; + mImage.Reset(); + mPropertyMap.Clear(); - if( size.GetWidth() != 0u && size.GetHeight() != 0u ) + // 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 ) { - mImageSize = size; + mVisual = visual; } - mVisual = Toolkit::VisualFactory::Get().CreateVisual( url, size ); - RegisterVisual( Toolkit::ImageView::Property::IMAGE, mVisual ); + 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(); } } @@ -181,46 +213,46 @@ Vector3 ImageView::GetNaturalSize() { Vector2 rendererNaturalSize; mVisual.GetNaturalSize( rendererNaturalSize ); - return Vector3( rendererNaturalSize ); - } - Vector3 size; - size.x = mImageSize.GetWidth(); - size.y = mImageSize.GetHeight(); + Extents padding; + padding = Self().GetProperty( Toolkit::Control::Property::PADDING ); - if( size.x > 0 && size.y > 0 ) - { - size.z = std::min(size.x, size.y); - return size; - } - else - { - // if no image then use Control's natural size - return Control::GetNaturalSize(); + 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 ) { - if( mImageSize.GetWidth() > 0 && mImageSize.GetHeight() > 0 ) + Extents padding; + padding = Self().GetProperty( Toolkit::Control::Property::PADDING ); + + if( mVisual ) { - return GetHeightForWidthBase( 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 ) { - if( mImageSize.GetWidth() > 0 && mImageSize.GetHeight() > 0 ) + Extents padding; + padding = Self().GetProperty( Toolkit::Control::Property::PADDING ); + + if( mVisual ) { - return GetWidthForHeightBase( height ); + return mVisual.GetWidthForHeight( height ) + padding.start + padding.end; } else { - return Control::GetWidthForHeight( height ); + return Control::GetWidthForHeight( height ) + padding.start + padding.end; } } @@ -230,12 +262,30 @@ 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 + Extents padding; + padding = Self().GetProperty( Toolkit::Control::Property::PADDING ); + + Property::Map transformMap = Property::Map(); + + if( ( padding.start != 0 ) || ( padding.end != 0 ) || ( padding.top != 0 ) || ( padding.bottom != 0 ) ) + { + transformMap.Add( Toolkit::Visual::Transform::Property::OFFSET, Vector2( padding.start, padding.top ) ) + .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 ); + } + // 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 @@ -274,7 +324,7 @@ 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 ) {