+++ /dev/null
-/*
- * 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.
- * 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-load-thread.h"
-
-// EXTERNAL INCLUDES
-#include <dali/devel-api/adaptor-framework/image-loading.h>
-#include <dali/devel-api/adaptor-framework/thread-settings.h>
-#include <dali/integration-api/adaptor-framework/adaptor.h>
-#include <dali/integration-api/debug.h>
-
-namespace Dali
-{
-
-namespace Toolkit
-{
-
-namespace Internal
-{
-
-LoadingTask::LoadingTask( uint32_t id, Dali::AnimatedImageLoading animatedImageLoading, uint32_t frameIndex )
-: pixelBuffer(),
- url(),
- id( id ),
- dimensions(),
- fittingMode(),
- samplingMode(),
- orientationCorrection(),
- preMultiplyOnLoad( DevelAsyncImageLoader::PreMultiplyOnLoad::OFF ),
- isMaskTask( false ),
- maskPixelBuffer(),
- contentScale( 1.0f ),
- cropToMask( false ),
- animatedImageLoading( animatedImageLoading ),
- frameIndex( frameIndex )
-{
-}
-
-LoadingTask::LoadingTask( uint32_t id, const VisualUrl& url, ImageDimensions dimensions,
- FittingMode::Type fittingMode, SamplingMode::Type samplingMode, bool orientationCorrection, DevelAsyncImageLoader::PreMultiplyOnLoad preMultiplyOnLoad )
-: pixelBuffer(),
- url( url ),
- id( id ),
- dimensions( dimensions ),
- fittingMode( fittingMode ),
- samplingMode( samplingMode ),
- orientationCorrection( orientationCorrection ),
- preMultiplyOnLoad( preMultiplyOnLoad ),
- isMaskTask( false ),
- maskPixelBuffer(),
- contentScale( 1.0f ),
- cropToMask( false ),
- animatedImageLoading(),
- frameIndex( 0u )
-{
-}
-
-LoadingTask::LoadingTask( uint32_t id, Devel::PixelBuffer pixelBuffer, Devel::PixelBuffer maskPixelBuffer, float contentScale, bool cropToMask,
- DevelAsyncImageLoader::PreMultiplyOnLoad preMultiplyOnLoad )
-: pixelBuffer( pixelBuffer ),
- url( "" ),
- id( id ),
- dimensions(),
- fittingMode(),
- samplingMode(),
- orientationCorrection(),
- preMultiplyOnLoad( preMultiplyOnLoad ),
- isMaskTask( true ),
- maskPixelBuffer( maskPixelBuffer ),
- contentScale( contentScale ),
- cropToMask( cropToMask ),
- animatedImageLoading(),
- frameIndex( 0u )
-{
-}
-
-void LoadingTask::Load()
-{;
- if( animatedImageLoading )
- {
- pixelBuffer = animatedImageLoading.LoadFrame( frameIndex );
- }
- else if( url.IsLocalResource() )
- {
- pixelBuffer = Dali::LoadImageFromFile( url.GetUrl(), dimensions, fittingMode, samplingMode, orientationCorrection );
- }
- else
- {
- pixelBuffer = Dali::DownloadImageSynchronously ( url.GetUrl(), dimensions, fittingMode, samplingMode, orientationCorrection );
- }
-
- if( !pixelBuffer )
- {
- DALI_LOG_ERROR( "LoadingTask::Load: Loading is failed: %s\n", url.GetUrl().c_str() );
- }
-}
-
-void LoadingTask::ApplyMask()
-{
- pixelBuffer.ApplyMask( maskPixelBuffer, contentScale, cropToMask );
-}
-
-void LoadingTask::MultiplyAlpha()
-{
- if( pixelBuffer && Pixel::HasAlpha( pixelBuffer.GetPixelFormat() ) )
- {
- if( preMultiplyOnLoad == DevelAsyncImageLoader::PreMultiplyOnLoad::ON )
- {
- pixelBuffer.MultiplyColorByAlpha();
- }
- }
-}
-
-ImageLoadThread::ImageLoadThread( EventThreadCallback* trigger )
-: mTrigger( trigger ),
- mLogFactory( Dali::Adaptor::Get().GetLogFactory() )
-{
-}
-
-ImageLoadThread::~ImageLoadThread()
-{
- // add an empty task would stop the thread from conditional wait.
- AddTask( NULL );
- // stop the thread
- Join();
-
- delete mTrigger;
-
- for( auto&& iter : mLoadQueue )
- {
- delete iter;
- }
- mLoadQueue.Clear();
-
- for( auto&& iter : mCompleteQueue )
- {
- delete iter;
- }
- mCompleteQueue.Clear();
-}
-
-void ImageLoadThread::Run()
-{
- SetThreadName( "ImageLoadThread" );
- mLogFactory.InstallLogFunction();
-
- while( LoadingTask* task = NextTaskToProcess() )
- {
- if( !task->isMaskTask )
- {
- task->Load();
- }
- else
- {
- task->ApplyMask();
- }
- task->MultiplyAlpha();
-
- AddCompletedTask( task );
- }
-}
-
-void ImageLoadThread::AddTask( LoadingTask* task )
-{
- bool wasEmpty = false;
- {
- // Lock while adding task to the queue
- ConditionalWait::ScopedLock lock( mConditionalWait );
- wasEmpty = mLoadQueue.Empty();
- mLoadQueue.PushBack( task );
- }
-
- if( wasEmpty )
- {
- // wake up the image loading thread
- mConditionalWait.Notify();
- }
-}
-
-LoadingTask* ImageLoadThread::NextCompletedTask()
-{
- // Lock while popping task out from the queue
- Mutex::ScopedLock lock( mMutex );
-
- if( mCompleteQueue.Empty() )
- {
- return NULL;
- }
-
- Vector< LoadingTask* >::Iterator next = mCompleteQueue.Begin();
- LoadingTask* nextTask = *next;
- mCompleteQueue.Erase( next );
-
- return nextTask;
-}
-
-bool ImageLoadThread::CancelTask( uint32_t loadingTaskId )
-{
- // Lock while remove task from the queue
- ConditionalWait::ScopedLock lock( mConditionalWait );
-
- for( Vector< LoadingTask* >::Iterator iter = mLoadQueue.Begin(); iter != mLoadQueue.End(); ++iter )
- {
- if( (*iter)->id == loadingTaskId )
- {
- delete (*iter);
- mLoadQueue.Erase( iter );
- return true;
- }
- }
-
- return false;
-}
-
-
-void ImageLoadThread::CancelAll()
-{
- // Lock while remove task from the queue
- ConditionalWait::ScopedLock lock( mConditionalWait );
-
- for( Vector< LoadingTask* >::Iterator iter = mLoadQueue.Begin(); iter != mLoadQueue.End(); ++iter )
- {
- delete ( *iter );
- }
- mLoadQueue.Clear();
-}
-
-LoadingTask* ImageLoadThread::NextTaskToProcess()
-{
- // Lock while popping task out from the queue
- ConditionalWait::ScopedLock lock( mConditionalWait );
-
- while( mLoadQueue.Empty() )
- {
- mConditionalWait.Wait( lock );
- }
-
- Vector< LoadingTask* >::Iterator next = mLoadQueue.Begin();
- LoadingTask* nextTask = *next;
- mLoadQueue.Erase( next );
-
- return nextTask;
-}
-
-void ImageLoadThread::AddCompletedTask( LoadingTask* task )
-{
- // Lock while adding task to the queue
- Mutex::ScopedLock lock( mMutex );
- mCompleteQueue.PushBack( task );
-
- // wake up the main thread
- mTrigger->Trigger();
-}
-
-} // namespace Internal
-
-} // namespace Toolkit
-
-} // namespace Dali