(Vector) Change event processing

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

diff --git a/dali-toolkit/internal/visuals/svg/svg-visual.cpp b/dali-toolkit/internal/visuals/svg/svg-visual.cpp
index d9ca38b..a9989c0 100644 (file)
--- a/dali-toolkit/internal/visuals/svg/svg-visual.cpp
+++ b/dali-toolkit/internal/visuals/svg/svg-visual.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2018 Samsung Electronics Co., Ltd.
+ * Copyright (c) 2020 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.
@@ -18,33 +18,20 @@
 // CLASS HEADER
 #include "svg-visual.h"
 
-// EXTERNAL INCLUDES
-#include <dali/public-api/images/buffer-image.h>
-#include <dali/public-api/common/stage.h>
-#include <dali/public-api/math/vector4.h>
-#include <dali/devel-api/images/texture-set-image.h>
-#include <dali/integration-api/debug.h>
-
 // INTERNAL INCLUDES
-#include <dali-toolkit/public-api/visuals/image-visual-properties.h>
-#include <dali-toolkit/public-api/visuals/visual-properties.h>
 #include <dali-toolkit/third-party/nanosvg/nanosvg.h>
+#include <dali-toolkit/third-party/nanosvg/nanosvgrast.h>
 #include <dali-toolkit/internal/visuals/svg/svg-rasterize-thread.h>
 #include <dali-toolkit/internal/visuals/image-atlas-manager.h>
-#include <dali-toolkit/internal/visuals/visual-factory-cache.h>
 #include <dali-toolkit/internal/visuals/visual-string-constants.h>
 #include <dali-toolkit/internal/visuals/visual-base-data-impl.h>
 #include <dali-toolkit/internal/visuals/image-visual-shader-factory.h>
+#include <dali-toolkit/public-api/visuals/image-visual-properties.h>
 
-namespace
-{
-const char * const UNITS("px");
-
-// property name
-const char * const IMAGE_ATLASING( "atlasing" );
-
-const Dali::Vector4 FULL_TEXTURE_RECT(0.f, 0.f, 1.f, 1.f);
-}
+// EXTERNAL INCLUDES
+#include <dali/devel-api/common/stage.h>
+#include <dali/devel-api/adaptor-framework/file-loader.h>
+#include <dali/integration-api/debug.h>
 
 namespace Dali
 {
@@ -55,9 +42,18 @@ namespace Toolkit
 namespace Internal
 {
 
+namespace
+{
+// property name
+const char * const UNITS("px");
+
+const Dali::Vector4 FULL_TEXTURE_RECT(0.f, 0.f, 1.f, 1.f);
+
+}
+
 SvgVisualPtr SvgVisual::New( VisualFactoryCache& factoryCache, ImageVisualShaderFactory& shaderFactory, const VisualUrl& imageUrl, const Property::Map& properties )
 {
-  SvgVisualPtr svgVisual( new SvgVisual( factoryCache, shaderFactory ) );
+  SvgVisualPtr svgVisual( new SvgVisual( factoryCache, shaderFactory, imageUrl ) );
   svgVisual->ParseFromUrl( imageUrl );
   svgVisual->SetProperties( properties );
 
@@ -66,17 +62,17 @@ SvgVisualPtr SvgVisual::New( VisualFactoryCache& factoryCache, ImageVisualShader
 
 SvgVisualPtr SvgVisual::New( VisualFactoryCache& factoryCache, ImageVisualShaderFactory& shaderFactory, const VisualUrl& imageUrl )
 {
-  SvgVisualPtr svgVisual( new SvgVisual( factoryCache, shaderFactory ) );
+  SvgVisualPtr svgVisual( new SvgVisual( factoryCache, shaderFactory, imageUrl ) );
   svgVisual->ParseFromUrl( imageUrl );
 
   return svgVisual;
 }
 
-SvgVisual::SvgVisual( VisualFactoryCache& factoryCache, ImageVisualShaderFactory& shaderFactory )
-: Visual::Base( factoryCache, Visual::FittingMode::FILL ),
+SvgVisual::SvgVisual( VisualFactoryCache& factoryCache, ImageVisualShaderFactory& shaderFactory, const VisualUrl& imageUrl )
+: Visual::Base( factoryCache, Visual::FittingMode::FILL, Toolkit::Visual::SVG ),
   mImageVisualShaderFactory( shaderFactory ),
   mAtlasRect( FULL_TEXTURE_RECT ),
-  mImageUrl( ),
+  mImageUrl( imageUrl ),
   mParsedImage( NULL ),
   mPlacementActor(),
   mVisualSize(Vector2::ZERO),
@@ -108,6 +104,10 @@ void SvgVisual::DoSetProperties( const Property::Map& propertyMap )
     {
       DoSetProperty( Toolkit::ImageVisual::Property::ATLASING, keyValue.second );
     }
+    else if( keyValue.first == SYNCHRONOUS_LOADING )
+    {
+      DoSetProperty( Toolkit::ImageVisual::Property::SYNCHRONOUS_LOADING, keyValue.second );
+    }
   }
 }
 
@@ -120,15 +120,35 @@ void SvgVisual::DoSetProperty( Property::Index index, const Property::Value& val
       value.Get( mAttemptAtlasing );
       break;
     }
+    case Toolkit::ImageVisual::Property::SYNCHRONOUS_LOADING:
+    {
+      bool sync = false;
+      if( value.Get( sync ) )
+      {
+        if( sync )
+        {
+          mImpl->mFlags |= Impl::IS_SYNCHRONOUS_RESOURCE_LOADING;
+        }
+        else
+        {
+          mImpl->mFlags &= ~Impl::IS_SYNCHRONOUS_RESOURCE_LOADING;
+        }
+      }
+      else
+      {
+        DALI_LOG_ERROR("ImageVisual: synchronousLoading property has incorrect type\n");
+      }
+      break;
+    }
   }
 }
 
-void SvgVisual::DoSetOnStage( Actor& actor )
+void SvgVisual::DoSetOnScene( Actor& actor )
 {
   Shader shader;
   if( !mImpl->mCustomShader )
   {
-    shader = mImageVisualShaderFactory.GetShader( mFactoryCache, mAttemptAtlasing, true );
+    shader = mImageVisualShaderFactory.GetShader( mFactoryCache, mAttemptAtlasing, true, false );
   }
   else
   {
@@ -156,7 +176,7 @@ void SvgVisual::DoSetOnStage( Actor& actor )
   ResourceReady( Toolkit::Visual::ResourceStatus::READY );
 }
 
-void SvgVisual::DoSetOffStage( Actor& actor )
+void SvgVisual::DoSetOffScene( Actor& actor )
 {
   mFactoryCache.GetSVGRasterizationThread()->RemoveTask( this );
 
@@ -190,6 +210,7 @@ void SvgVisual::DoCreatePropertyMap( Property::Map& map ) const
     map.Insert( Toolkit::ImageVisual::Property::URL, mImageUrl.GetUrl() );
     map.Insert( Toolkit::ImageVisual::Property::ATLASING, mAttemptAtlasing );
   }
+  map.Insert( Toolkit::ImageVisual::Property::SYNCHRONOUS_LOADING, IsSynchronousLoadingRequired() );
 }
 
 void SvgVisual::DoCreateInstancePropertyMap( Property::Map& map ) const
@@ -203,29 +224,50 @@ void SvgVisual::ParseFromUrl( const VisualUrl& imageUrl )
   if( mImageUrl.IsLocalResource() )
   {
     Vector2 dpi = Stage::GetCurrent().GetDpi();
-    float meanDpi = (dpi.height + dpi.width) * 0.5f;
-    mParsedImage = nsvgParseFromFile( mImageUrl.GetUrl().c_str(), UNITS, meanDpi );
+    float meanDpi = ( dpi.height + dpi.width ) * 0.5f;
+    Dali::Vector<char> buffer;
+    if ( Dali::FileLoader::ReadFile( mImageUrl.GetUrl(), buffer ) )
+    {
+      buffer.PushBack( '\0' );
+      mParsedImage = nsvgParse( buffer.Begin(), UNITS, meanDpi );
+    }
   }
 }
 
 void SvgVisual::AddRasterizationTask( const Vector2& size )
 {
-  if( mImpl->mRenderer && mParsedImage )
+  if( mImpl->mRenderer )
   {
     unsigned int width = static_cast<unsigned int>(size.width);
     unsigned int height = static_cast<unsigned int>( size.height );
 
-    RasterizingTaskPtr newTask = new RasterizingTask( this, mParsedImage, width, height );
-    mFactoryCache.GetSVGRasterizationThread()->AddTask( newTask );
+    Vector2 dpi = Stage::GetCurrent().GetDpi();
+    float meanDpi = ( dpi.height + dpi.width ) * 0.5f;
+
+    RasterizingTaskPtr newTask = new RasterizingTask( this, mParsedImage, mImageUrl, meanDpi, width, height );
+    if ( IsSynchronousLoadingRequired() )
+    {
+      newTask->Rasterize();
+      ApplyRasterizedImage( newTask->GetParsedImage(), newTask->GetPixelData() );
+    }
+    else
+    {
+      mFactoryCache.GetSVGRasterizationThread()->AddTask( newTask );
+    }
   }
 }
 
-void SvgVisual::ApplyRasterizedImage( PixelData rasterizedPixelData )
+void SvgVisual::ApplyRasterizedImage( NSVGimage* parsedSvg, PixelData rasterizedPixelData )
 {
-  if( IsOnStage()  )
+  if( mParsedImage == NULL)
+  {
+    mParsedImage = parsedSvg;
+  }
+
+  if( mParsedImage && IsOnScene() )
   {
     TextureSet currentTextureSet = mImpl->mRenderer.GetTextures();
-    if( mImpl->mFlags |= Impl::IS_ATLASING_APPLIED )
+    if( mImpl->mFlags & Impl::IS_ATLASING_APPLIED )
     {
       mFactoryCache.GetAtlasManager()->Remove( currentTextureSet, mAtlasRect );
     }
@@ -286,13 +328,17 @@ void SvgVisual::ApplyRasterizedImage( PixelData rasterizedPixelData )
    // Svg loaded and ready to display
    ResourceReady( Toolkit::Visual::ResourceStatus::READY );
   }
+  else if( !mParsedImage )
+  {
+    ResourceReady( Toolkit::Visual::ResourceStatus::FAILED );
+  }
 }
 
 void SvgVisual::OnSetTransform()
 {
   Vector2 visualSize = mImpl->mTransform.GetVisualSize( mImpl->mControlSize );
 
-  if( mParsedImage && IsOnStage() )
+  if( IsOnScene() )
   {
     if( visualSize != mVisualSize )
     {
@@ -307,6 +353,12 @@ void SvgVisual::OnSetTransform()
   }
 }
 
+bool SvgVisual::IsResourceReady() const
+{
+  return ( mImpl->mResourceStatus == Toolkit::Visual::ResourceStatus::READY ||
+           mImpl->mResourceStatus == Toolkit::Visual::ResourceStatus::FAILED );
+}
+
 } // namespace Internal
 
 } // namespace Toolkit