Download remote svg file

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

diff --git a/dali-toolkit/internal/visuals/svg/svg-rasterize-thread.cpp b/dali-toolkit/internal/visuals/svg/svg-rasterize-thread.cpp
index d328304..174183e 100644 (file)
--- a/dali-toolkit/internal/visuals/svg/svg-rasterize-thread.cpp
+++ b/dali-toolkit/internal/visuals/svg/svg-rasterize-thread.cpp
@@ -18,6 +18,11 @@
 // CLASS HEADER
 #include "svg-rasterize-thread.h"
 
+// EXTERNAL INCLUDES
+#include <dali/devel-api/adaptor-framework/thread-settings.h>
+#include <dali/devel-api/adaptor-framework/file-loader.h>
+#include <dali/integration-api/debug.h>
+
 // INTERNAL INCLUDES
 #include <dali-toolkit/third-party/nanosvg/nanosvgrast.h>
 #include <dali-toolkit/internal/visuals/svg/svg-visual.h>
@@ -31,20 +36,49 @@ namespace Toolkit
 namespace Internal
 {
 
-RasterizingTask::RasterizingTask( SvgVisual* svgRenderer, NSVGimage* parsedSvg, unsigned int width, unsigned int height )
+namespace
+{
+const char * const UNITS("px");
+}
+
+RasterizingTask::RasterizingTask( SvgVisual* svgRenderer, NSVGimage* parsedSvg, const VisualUrl& url, float dpi, unsigned int width, unsigned int height)
 : mSvgVisual( svgRenderer ),
   mParsedSvg( parsedSvg ),
+  mUrl( url ),
+  mDpi( dpi ),
   mWidth( width ),
   mHeight( height )
 {
 }
 
+void RasterizingTask::Load()
+{
+  if( mParsedSvg != NULL)
+  {
+    return;
+  }
+
+  if( !mUrl.IsLocalResource() )
+  {
+    Dali::Vector<uint8_t> remoteBuffer;
+
+    if( !Dali::FileLoader::DownloadFileSynchronously( mUrl.GetUrl(), remoteBuffer ))
+    {
+      DALI_LOG_ERROR("Failed to download file!\n");
+      return;
+    }
+
+    remoteBuffer.PushBack( '\0' );
+    mParsedSvg = nsvgParse( reinterpret_cast<char*>(remoteBuffer.begin()), UNITS, mDpi );
+  }
+}
+
 void RasterizingTask::Rasterize( NSVGrasterizer* rasterizer )
 {
-  if( mWidth > 0u && mHeight > 0u )
+  if( mParsedSvg != NULL && mWidth > 0u && mHeight > 0u )
   {
-    float scaleX =  static_cast<float>( mWidth ) /  mParsedSvg->width;
-    float scaleY =  static_cast<float>( mHeight ) /  mParsedSvg->height;
+    float scaleX = static_cast<float>( mWidth ) /  mParsedSvg->width;
+    float scaleY = static_cast<float>( mHeight ) /  mParsedSvg->height;
     float scale = scaleX < scaleY ? scaleX : scaleY;
     unsigned int bufferStride = mWidth*Pixel::GetBytesPerPixel( Pixel::RGBA8888 );
     unsigned int bufferSize = bufferStride * mHeight;
@@ -58,6 +92,11 @@ void RasterizingTask::Rasterize( NSVGrasterizer* rasterizer )
   }
 }
 
+NSVGimage* RasterizingTask::GetParsedImage() const
+{
+  return mParsedSvg;
+}
+
 SvgVisual* RasterizingTask::GetSvgVisual() const
 {
   return mSvgVisual.Get();
@@ -144,7 +183,7 @@ RasterizingTaskPtr SvgRasterizeThread::NextCompletedTask()
   return nextTask;
 }
 
-void SvgRasterizeThread::RemoveTask( SvgVisual* renderer )
+void SvgRasterizeThread::RemoveTask( SvgVisual* visual )
 {
   // Lock while remove task from the queue
   ConditionalWait::ScopedLock lock( mConditionalWait );
@@ -152,7 +191,7 @@ void SvgRasterizeThread::RemoveTask( SvgVisual* renderer )
   {
     for( std::vector< RasterizingTaskPtr >::iterator it = mRasterizeTasks.begin(), endIt = mRasterizeTasks.end(); it != endIt; ++it )
     {
-      if( (*it) &&  (*it)->GetSvgVisual() == renderer )
+      if( (*it) &&  (*it)->GetSvgVisual() == visual )
       {
         mRasterizeTasks.erase( it );
         break;
@@ -221,8 +260,10 @@ void SvgRasterizeThread::AddCompletedTask( RasterizingTaskPtr task )
 
 void SvgRasterizeThread::Run()
 {
+  SetThreadName( "SVGThread" );
   while( RasterizingTaskPtr task = NextTaskToProcess() )
   {
+    task->Load( );
     task->Rasterize( mRasterizer );
     AddCompletedTask( task );
   }