/*
- * Copyright (c) 2016 Samsung Electronics Co., Ltd.
+ * Copyright (c) 2021 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.
// CLASS HEADER
#include "svg-rasterize-thread.h"
+// EXTERNAL INCLUDES
+#include <dali/devel-api/adaptor-framework/file-loader.h>
+#include <dali/devel-api/adaptor-framework/thread-settings.h>
+#include <dali/integration-api/adaptor-framework/adaptor.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>
namespace Dali
{
-
namespace Toolkit
{
-
namespace Internal
{
+RasterizingTask::RasterizingTask(SvgVisual* svgRenderer, VectorImageRenderer vectorRenderer, const VisualUrl& url, float dpi, unsigned int width, unsigned int height)
+: mSvgVisual(svgRenderer),
+ mVectorRenderer(vectorRenderer),
+ mUrl(url),
+ mDpi(dpi),
+ mWidth(width),
+ mHeight(height),
+ mLoadSuccess(false)
+{
+}
-RasterizingTask::RasterizingTask( SvgVisual* svgRenderer, NSVGimage* parsedSvg, unsigned int width, unsigned int height )
-: mSvgVisual( svgRenderer ),
- mParsedSvg( parsedSvg ),
- mWidth( width ),
- mHeight( height )
+RasterizingTask::~RasterizingTask()
{
}
-void RasterizingTask::Rasterize( NSVGrasterizer* rasterizer )
+void RasterizingTask::Load()
+{
+ if(!mUrl.IsLocalResource())
+ {
+ Dali::Vector<uint8_t> remoteBuffer;
+ if(!Dali::FileLoader::DownloadFileSynchronously(mUrl.GetUrl(), remoteBuffer))
+ {
+ DALI_LOG_ERROR("RasterizingTask::Load: Failed to download file! [%s]\n", mUrl.GetUrl().c_str());
+ return;
+ }
+
+ remoteBuffer.PushBack('\0');
+
+ if(!mVectorRenderer.Load(remoteBuffer, mDpi))
+ {
+ DALI_LOG_ERROR("RasterizingTask::Load:Failed to load data! [%s]\n", mUrl.GetUrl().c_str());
+ return;
+ }
+
+ mLoadSuccess = true;
+ }
+ else
+ {
+ mLoadSuccess = true;
+ }
+}
+
+void RasterizingTask::Rasterize()
{
- if( mWidth > 0u && mHeight > 0u )
+ if(mWidth <= 0u || mHeight <= 0u)
{
- 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;
-
- unsigned char* buffer = new unsigned char [bufferSize];
- nsvgRasterize(rasterizer, mParsedSvg, 0.f,0.f,scale,
- buffer, mWidth, mHeight,
- bufferStride );
-
- mPixelData = Dali::PixelData::New( buffer, bufferSize, mWidth, mHeight, Pixel::RGBA8888, Dali::PixelData::DELETE_ARRAY );
+ DALI_LOG_ERROR("RasterizingTask::Rasterize: Size is zero!\n");
+ return;
}
+
+ Devel::PixelBuffer pixelBuffer = Devel::PixelBuffer::New(mWidth, mHeight, Dali::Pixel::RGBA8888);
+
+ uint32_t defaultWidth, defaultHeight;
+ mVectorRenderer.GetDefaultSize(defaultWidth, defaultHeight);
+
+ float scaleX = static_cast<float>(mWidth) / static_cast<float>(defaultWidth);
+ float scaleY = static_cast<float>(mHeight) / static_cast<float>(defaultHeight);
+ float scale = scaleX < scaleY ? scaleX : scaleY;
+
+ if(!mVectorRenderer.Rasterize(pixelBuffer, scale))
+ {
+ DALI_LOG_ERROR("RasterizingTask::Rasterize: Rasterize is failed! [%s]\n", mUrl.GetUrl().c_str());
+ return;
+ }
+
+ mPixelData = Devel::PixelBuffer::Convert(pixelBuffer);
+}
+
+VectorImageRenderer RasterizingTask::GetVectorRenderer() const
+{
+ return mVectorRenderer;
+}
+
+bool RasterizingTask::IsLoaded() const
+{
+ return mLoadSuccess;
}
SvgVisual* RasterizingTask::GetSvgVisual() const
return mPixelData;
}
-SvgRasterizeThread::SvgRasterizeThread( EventThreadCallback* trigger )
-: mTrigger( trigger ),
- mIsThreadWaiting( false )
+SvgRasterizeThread::SvgRasterizeThread()
+: mTrigger(new EventThreadCallback(MakeCallback(this, &SvgRasterizeThread::ApplyRasterizedSVGToSampler))),
+ mLogFactory(Dali::Adaptor::Get().GetLogFactory()),
+ mIsThreadWaiting(false),
+ mProcessorRegistered(false)
{
- mRasterizer = nsvgCreateRasterizer();
}
SvgRasterizeThread::~SvgRasterizeThread()
{
-
- nsvgDeleteRasterizer( mRasterizer );
- delete mTrigger;
+ if(mProcessorRegistered)
+ {
+ Adaptor::Get().UnregisterProcessor(*this);
+ }
}
-void SvgRasterizeThread::TerminateThread( SvgRasterizeThread*& thread )
+void SvgRasterizeThread::TerminateThread(SvgRasterizeThread*& thread)
{
- if( thread )
+ if(thread)
{
// add an empty task would stop the thread from conditional wait.
- thread->AddTask( RasterizingTaskPtr() );
+ thread->AddTask(RasterizingTaskPtr());
// stop the thread
thread->Join();
// delete the thread
}
}
-void SvgRasterizeThread::AddTask( RasterizingTaskPtr task )
+void SvgRasterizeThread::AddTask(RasterizingTaskPtr task)
{
bool wasEmpty = false;
{
// Lock while adding task to the queue
- ConditionalWait::ScopedLock lock( mConditionalWait );
+ ConditionalWait::ScopedLock lock(mConditionalWait);
wasEmpty = mRasterizeTasks.empty();
- if( !wasEmpty && task != NULL)
+ if(!wasEmpty && task != NULL)
{
// Remove the tasks with the same renderer.
// Older task which waiting to rasterize and apply the svg to the same renderer is expired.
- for( std::vector< RasterizingTaskPtr >::iterator it = mRasterizeTasks.begin(), endIt = mRasterizeTasks.end(); it != endIt; ++it )
+ for(std::vector<RasterizingTaskPtr>::iterator it = mRasterizeTasks.begin(), endIt = mRasterizeTasks.end(); it != endIt; ++it)
{
- if( (*it) && (*it)->GetSvgVisual() == task->GetSvgVisual() )
+ if((*it) && (*it)->GetSvgVisual() == task->GetSvgVisual())
{
- mRasterizeTasks.erase( it );
+ mRasterizeTasks.erase(it);
break;
}
}
}
- mRasterizeTasks.push_back( task );
+ mRasterizeTasks.push_back(task);
+
+ if(!mProcessorRegistered)
+ {
+ Adaptor::Get().RegisterProcessor(*this);
+ mProcessorRegistered = true;
+ }
}
- if( wasEmpty)
+ if(wasEmpty)
{
// wake up the image loading thread
mConditionalWait.Notify();
RasterizingTaskPtr SvgRasterizeThread::NextCompletedTask()
{
// Lock while popping task out from the queue
- Mutex::ScopedLock lock( mMutex );
+ Mutex::ScopedLock lock(mMutex);
- if( mCompletedTasks.empty() )
+ if(mCompletedTasks.empty())
{
return RasterizingTaskPtr();
}
- std::vector< RasterizingTaskPtr >::iterator next = mCompletedTasks.begin();
- RasterizingTaskPtr nextTask = *next;
- mCompletedTasks.erase( next );
+ std::vector<RasterizingTaskPtr>::iterator next = mCompletedTasks.begin();
+ RasterizingTaskPtr nextTask = *next;
+ mCompletedTasks.erase(next);
return nextTask;
}
-void SvgRasterizeThread::RemoveTask( SvgVisual* visual )
+void SvgRasterizeThread::RemoveTask(SvgVisual* visual)
{
// Lock while remove task from the queue
- ConditionalWait::ScopedLock lock( mConditionalWait );
- if( !mRasterizeTasks.empty() )
+ ConditionalWait::ScopedLock lock(mConditionalWait);
+ if(!mRasterizeTasks.empty())
{
- for( std::vector< RasterizingTaskPtr >::iterator it = mRasterizeTasks.begin(), endIt = mRasterizeTasks.end(); it != endIt; ++it )
+ for(std::vector<RasterizingTaskPtr>::iterator it = mRasterizeTasks.begin(), endIt = mRasterizeTasks.end(); it != endIt; ++it)
{
- if( (*it) && (*it)->GetSvgVisual() == visual )
+ if((*it) && (*it)->GetSvgVisual() == visual)
{
- mRasterizeTasks.erase( it );
+ mRasterizeTasks.erase(it);
break;
}
}
}
-}
-void SvgRasterizeThread::DeleteImage( NSVGimage* parsedSvg )
-{
- // Lock while adding image to the delete queue
- ConditionalWait::ScopedLock lock( mConditionalWait );
-
- if( mIsThreadWaiting ) // no rasterization is ongoing, save to delete
- {
- nsvgDelete( parsedSvg );
- }
- else // wait to delete until current rasterization completed.
- {
- mDeleteSvg.PushBack( parsedSvg );
- }
+ UnregisterProcessor();
}
RasterizingTaskPtr SvgRasterizeThread::NextTaskToProcess()
{
// Lock while popping task out from the queue
- ConditionalWait::ScopedLock lock( mConditionalWait );
-
- // Delete the image here to make sure that it is not used in the nsvgRasterize()
- if( !mDeleteSvg.Empty() )
- {
- for( Vector< NSVGimage* >::Iterator it = mDeleteSvg.Begin(), endIt = mDeleteSvg.End();
- it != endIt;
- ++it )
- {
- nsvgDelete( *it );
- }
- mDeleteSvg.Clear();
- }
+ ConditionalWait::ScopedLock lock(mConditionalWait);
// conditional wait
- while( mRasterizeTasks.empty() )
+ while(mRasterizeTasks.empty())
{
mIsThreadWaiting = true;
- mConditionalWait.Wait( lock );
+ mConditionalWait.Wait(lock);
}
mIsThreadWaiting = false;
// pop out the next task from the queue
- std::vector< RasterizingTaskPtr >::iterator next = mRasterizeTasks.begin();
- RasterizingTaskPtr nextTask = *next;
- mRasterizeTasks.erase( next );
+ std::vector<RasterizingTaskPtr>::iterator next = mRasterizeTasks.begin();
+ RasterizingTaskPtr nextTask = *next;
+ mRasterizeTasks.erase(next);
return nextTask;
}
-void SvgRasterizeThread::AddCompletedTask( RasterizingTaskPtr task )
+void SvgRasterizeThread::AddCompletedTask(RasterizingTaskPtr task)
{
// Lock while adding task to the queue
- Mutex::ScopedLock lock( mMutex );
- mCompletedTasks.push_back( task );
+ Mutex::ScopedLock lock(mMutex);
+ mCompletedTasks.push_back(task);
// wake up the main thread
mTrigger->Trigger();
void SvgRasterizeThread::Run()
{
- while( RasterizingTaskPtr task = NextTaskToProcess() )
+ SetThreadName("SVGThread");
+ mLogFactory.InstallLogFunction();
+
+ while(RasterizingTaskPtr task = NextTaskToProcess())
{
- task->Rasterize( mRasterizer );
- AddCompletedTask( task );
+ task->Load();
+ task->Rasterize();
+ AddCompletedTask(task);
+ }
+}
+
+void SvgRasterizeThread::ApplyRasterizedSVGToSampler()
+{
+ while(RasterizingTaskPtr task = NextCompletedTask())
+ {
+ task->GetSvgVisual()->ApplyRasterizedImage(task->GetVectorRenderer(), task->GetPixelData(), task->IsLoaded());
+ }
+
+ UnregisterProcessor();
+}
+
+void SvgRasterizeThread::Process(bool postProcessor)
+{
+ ApplyRasterizedSVGToSampler();
+}
+
+void SvgRasterizeThread::UnregisterProcessor()
+{
+ if(mProcessorRegistered)
+ {
+ if(mRasterizeTasks.empty() && mCompletedTasks.empty())
+ {
+ Adaptor::Get().UnregisterProcessor(*this);
+ mProcessorRegistered = false;
+ }
}
}
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