Cleanup of Visual::Base::SetSize

[platform/core/uifw/dali-toolkit.git] / dali-toolkit / internal / visuals / image / image-visual.cpp

diff --git a/dali-toolkit/internal/visuals/image/image-visual.cpp b/dali-toolkit/internal/visuals/image/image-visual.cpp
index dcc3590..ab6d1b6 100644 (file)
--- a/dali-toolkit/internal/visuals/image/image-visual.cpp
+++ b/dali-toolkit/internal/visuals/image/image-visual.cpp
@@ -122,7 +122,7 @@ const char* VERTEX_SHADER = DALI_COMPOSE_SHADER(
 
   void main()\n
   {\n
-    mediump vec4 vertexPosition = uMvpMatrix *ComputeVertexPosition();\n
+    mediump vec4 vertexPosition = uMvpMatrix * ComputeVertexPosition();\n
     vTexCoord = pixelArea.xy+pixelArea.zw*(aPosition + vec2(0.5) );\n
     gl_Position = vertexPosition;\n
   }\n
@@ -286,6 +286,8 @@ void ImageVisual::DoSetProperties( const Property::Map& propertyMap )
     desiredHeightValue->Get( desiredHeight );
   }
 
+  mDesiredSize = ImageDimensions( desiredWidth, desiredHeight );
+
   Property::Value* pixelAreaValue = propertyMap.Find( Toolkit::ImageVisual::Property::PIXEL_AREA, PIXEL_AREA_UNIFORM_NAME );
   if( pixelAreaValue )
   {
@@ -308,8 +310,6 @@ void ImageVisual::DoSetProperties( const Property::Map& propertyMap )
     mWrapModeV = Dali::WrapMode::Type( value );
   }
 
-  mDesiredSize = ImageDimensions( desiredWidth, desiredHeight );
-
   Property::Value* syncLoading = propertyMap.Find( Toolkit::ImageVisual::Property::SYNCHRONOUS_LOADING, SYNCHRONOUS_LOADING );
   if( syncLoading )
   {
@@ -332,7 +332,7 @@ void ImageVisual::DoSetProperties( const Property::Map& propertyMap )
   }
 }
 
-void ImageVisual::GetNaturalSize( Vector2& naturalSize ) const
+void ImageVisual::GetNaturalSize( Vector2& naturalSize )
 {
   if(mImage)
   {
@@ -522,13 +522,9 @@ TextureSet ImageVisual::CreateTextureSet( Vector4& textureRect, const std::strin
 
 void ImageVisual::InitializeRenderer( const std::string& imageUrl )
 {
-  if( imageUrl.empty() )
-  {
-    return;
-  }
+  DALI_ASSERT_DEBUG( !mImpl->mRenderer && "Renderer should have been removed from stage and already reset before initialization" );
 
   mImageUrl = imageUrl;
-  mImpl->mRenderer.Reset();
   mImpl->mFlags &= ~Impl::IS_ATLASING_APPLIED;
 
   if( !mImpl->mCustomShader &&
@@ -590,6 +586,8 @@ void ImageVisual::InitializeRenderer( const std::string& imageUrl )
 
 void ImageVisual::InitializeRenderer( const Image& image )
 {
+  DALI_ASSERT_DEBUG( !mImpl->mRenderer && "Renderer should have been removed from stage and already reset before initialization" );
+
   mImpl->mFlags &= ~Impl::IS_FROM_CACHE;
 
   // don't reuse CreateTextureSet
@@ -607,11 +605,7 @@ void ImageVisual::InitializeRenderer( const Image& image )
     // reuse existing code for regular images
     CreateRenderer( textures );
   }
-
-  if( image )
-  {
-    ApplyImageToSampler( image );
-  }
+  ApplyImageToSampler( image );
 }
 
 void ImageVisual::UploadCompleted()
@@ -628,17 +622,22 @@ void ImageVisual::UploadCompleted()
 
 void ImageVisual::DoSetOnStage( Actor& actor )
 {
-  mPlacementActor = actor;
-
   if( !mImageUrl.empty() )
   {
     InitializeRenderer( mImageUrl );
   }
-  else
+  else if ( mImage )
   {
     InitializeRenderer( mImage );
   }
 
+  if ( !mImpl->mRenderer)
+  {
+    return;
+  }
+
+  mPlacementActor = actor;
+
   if( mPixelArea != FULL_TEXTURE_RECT )
   {
     mImpl->mRenderer.RegisterProperty( PIXEL_AREA_UNIFORM_NAME, mPixelArea );
@@ -653,18 +652,17 @@ void ImageVisual::DoSetOnStage( Actor& actor )
 
 void ImageVisual::DoSetOffStage( Actor& actor )
 {
+  // Visual::Base::SetOffStage only calls DoSetOffStage if mRenderer exists (is on onstage)
+
   //If we own the image then make sure we release it when we go off stage
+  actor.RemoveRenderer( mImpl->mRenderer);
   if( !mImageUrl.empty() )
   {
-    actor.RemoveRenderer( mImpl->mRenderer );
     CleanCache(mImageUrl);
     mImage.Reset();
   }
-  else
-  {
-    actor.RemoveRenderer( mImpl->mRenderer );
-    mImpl->mRenderer.Reset();
-  }
+
+  mImpl->mRenderer.Reset();
   mPlacementActor.Reset();
 }
 
@@ -731,6 +729,7 @@ Shader ImageVisual::GetImageShader( VisualFactoryCache& factoryCache, bool atlas
       if( !shader )
       {
         shader = Shader::New( VERTEX_SHADER, FRAGMENT_SHADER_ATLAS_CLAMP );
+        shader.RegisterProperty( PIXEL_AREA_UNIFORM_NAME, FULL_TEXTURE_RECT );
         factoryCache.SaveShader( VisualFactoryCache::IMAGE_SHADER_ATLAS_DEFAULT_WRAP, shader );
       }
     }
@@ -740,6 +739,7 @@ Shader ImageVisual::GetImageShader( VisualFactoryCache& factoryCache, bool atlas
       if( !shader )
       {
         shader = Shader::New( VERTEX_SHADER, FRAGMENT_SHADER_ATLAS_VARIOUS_WRAP );
+        shader.RegisterProperty( PIXEL_AREA_UNIFORM_NAME, FULL_TEXTURE_RECT );
         factoryCache.SaveShader( VisualFactoryCache::IMAGE_SHADER_ATLAS_CUSTOM_WRAP, shader );
       }
     }
@@ -750,10 +750,11 @@ Shader ImageVisual::GetImageShader( VisualFactoryCache& factoryCache, bool atlas
     if( !shader )
     {
       shader = Shader::New( VERTEX_SHADER, FRAGMENT_SHADER_NO_ATLAS );
+      shader.RegisterProperty( PIXEL_AREA_UNIFORM_NAME, FULL_TEXTURE_RECT );
       factoryCache.SaveShader( VisualFactoryCache::IMAGE_SHADER, shader );
     }
   }
-  shader.RegisterProperty( PIXEL_AREA_UNIFORM_NAME, FULL_TEXTURE_RECT );
+
   return shader;
 }