-// 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"
// INTERNAL INCLUDES
#include <dali-toolkit/public-api/controls/image-view/image-view.h>
-#include <dali-toolkit/devel-api/visuals/visual-properties-devel.h>
+#include <dali-toolkit/devel-api/controls/control-devel.h>
+#include <dali-toolkit/public-api/visuals/visual-properties.h>
#include <dali-toolkit/devel-api/visual-factory/visual-factory.h>
#include <dali-toolkit/internal/visuals/visual-string-constants.h>
#include <dali-toolkit/internal/visuals/visual-base-impl.h>
/////////////////////////////////////////////////////////////
+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
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;
+ }
+
+ 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 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;
+ }
+
+ 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 )
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;
+ }
+
+ 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
{
Vector2 rendererNaturalSize;
mVisual.GetNaturalSize( rendererNaturalSize );
+
+ Extents padding;
+ padding = Self().GetProperty<Extents>( Toolkit::Control::Property::PADDING );
+
+ rendererNaturalSize.width += ( padding.start + padding.end );
+ rendererNaturalSize.height += ( padding.top + padding.bottom );
return Vector3( rendererNaturalSize );
}
float ImageView::GetHeightForWidth( float width )
{
+ Extents padding;
+ padding = Self().GetProperty<Extents>( 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<Extents>( 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;
}
}
if( mVisual )
{
- // Pass in an empty map which uses default transform values meaning our visual fills the control
+ Extents padding;
+ padding = Self().GetProperty<Extents>( 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
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 )
{
projects / platform / core / uifw / dali-toolkit.git / blobdiff