#include <creaImageIOMultiThreadImageReader.h>
#include <creaImageIOImageReader.h>
#include <wx/utils.h>
+#include <creaImageIOSystem.h>
namespace creaImageIO
{
private:
ImageReader mReader;
MultiThreadImageReader* mMultiThreadImageReader;
+
};
//=====================================================================
: //mDoNotSignal(false),
mReader(0),
mTotalMem(0),
- mTotalMemMax(10000)
+ mTotalMemMax(1000000)
{
// std::cout << "#### MultiThreadImageReader::MultiThreadImageReader("
// << " #threads= " << number_of_threads <<" )"<<std::endl;
mQueue.set(mIndexer);
//
// no thread : alloc self reader
- if (number_of_threads==0)
- {
+// if (number_of_threads==0)
+// {
mReader = new ImageReader();
- }
+// }
}
//=====================================================================
// std::cout << "#### MultiThreadImageReader::Start()"
// <<std::endl;
+ if (mNumberOfThreadedReadersRunning > 0) return true;
+
ThreadedImageReaderListType::iterator i;
for (i =mThreadedImageReaderList.begin();
i!=mThreadedImageReaderList.end();
i!=mThreadedImageReaderList.end();
i++)
{
- (*i)->Delete();
+ if((*i)->IsAlive())
+ {
+ (*i)->Delete();
+ }
}
mThreadedImageReaderList.clear();
// Wait a little to be sure that all threads have stopped
const std::string& filename,
int priority )
{
- wxMutexLocker lock(GetMultiThreadImageReaderUserMutex()); //mMutex);
+ wxMutexLocker lock(GetMultiThreadImageReaderUserMutex()); //mMutex);
- if (mThreadedImageReaderList.size()==0)
+ if (mNumberOfThreadedReadersRunning==0)
+// if (mThreadedImageReaderList.size()==0)
{
// no detached reader : use self reader
ImageToLoad itl(user,filename);
//=====================================================================
vtkImageData* MultiThreadImageReader::GetImage(const std::string& filename)
{
-
- // std::cout << "** MultiThreadImageReader::GetImage('"<<filename<<"')"
- // <<std::endl;
+ // Start();
+ // std::cout << "** MultiThreadImageReader::GetImage('"<<filename<<"')"
+ // <<std::endl;
do
{
- wxMutexLocker lock(GetMultiThreadImageReaderUserMutex()); //mMutex);
+ // wxMutexLocker lock(GetMultiThreadImageReaderUserMutex()); //mMutex);
- if (mThreadedImageReaderList.size()==0)
+ // std::cout << "** MultiThreadImageReader::GetImage('"<<filename
+ // <<"') lock ok"
+ // <<std::endl;
+
+ // if (mNumberOfThreadedReadersRunning==0)
+ // if (mThreadedImageReaderList.size()==0)
+ if (true)
{
ImageToLoad itl(this,filename);
ImageMapType::iterator i = mImages.find(&itl);
GetMaximalPriorityWithoutLocking()+1);
return pitl->GetImage();
}
-
+
+ /*
mRequestedFilename = filename;
mRequestedImage = 0;
ImageToLoad itl(this,filename);
mImages[pitl] = 0;
mQueue.insert(pitl);
}
+ */
}
while (0);
// std::cout << "Waiting..."<<std::endl;
+ /*
// Waiting that it is read
int n = 0;
do
}
while (true);
//
-
+ */
}
//=====================================================================
void MultiThreadImageReader::SignalImageRead(ImageToLoadPtr p,
bool purge)
{
- // std::cout << "MultiThreadImageReader::SignalImageRead" <<std::endl;
+
+// std::cout << "MultiThreadImageReader::SignalImageRead" <<std::endl;
// std::cout << "this="<<this <<std::endl;
// std::cout << "user="<<p->GetUser() <<std::endl;
BUGGY : TO FIX
*/
if (!purge) return;
+ GimmickMessage(5,"Image '"<<p->GetFilename()<<"' read"<<std::endl);
// wxMutexLocker lock(GetMultiThreadImageReaderUserMutex());
p->GetImage()->PropagateUpdateExtent();
long ImMem = p->GetImage()->GetEstimatedMemorySize();
mTotalMem += ImMem;
- // std::cout << " ==> Total mem = "<<mTotalMem<<" Ko"<<std::endl;
+
+ GimmickMessage(5,"==> Image in memory = "<<mUnloadQueue.size()<<std::endl);
+ GimmickMessage(5,"==> Total mem = "<<mTotalMem<<" Ko"<<std::endl);
+
+ // return;
+
while (mTotalMem > mTotalMemMax)
{
- // std::cout
- // <<" ! Exceeded max of "
- // << mTotalMemMax << " : unloading oldest image ... "
- // << std::endl;
+ GimmickMessage(5,
+ " ! Exceeded max of "
+ << mTotalMemMax << " Ko : unloading oldest image ... "
+ << std::endl);
if ( mUnloadQueue.size() <= 1 )
{
- // std::cout << "Only one image : cannot load AND unload it !!"
- // <<std::endl;
+ GimmickMessage(5,
+ " Only one image : cannot load AND unload it !!"
+ <<std::endl);
break;
-
+
}
ImageToLoadPtr unload = mUnloadQueue.remove_top();
MultiThreadImageReaderUser* user = unload->GetUser();
+ /*
if ((user!=0)&&(user!=this))
{
user->GetMultiThreadImageReaderUserMutex().Lock();
}
+ */
+ std::string filename = unload->GetFilename();
- // std::cout << "'" << unload->GetFilename() << "'" << std::endl;
+ GimmickMessage(5,"'" << filename << "'" << std::endl);
mTotalMem -= unload->GetImage()->GetEstimatedMemorySize();
- // std::cout << " ==> Total mem = "<<mTotalMem<<" Ko "<<std::endl;
-
- std::string filename = unload->GetFilename();
+ GimmickMessage(5," ==> Total mem = "<<mTotalMem<<" Ko "<<std::endl);
+
+
+ if (user!=0)
+ {
+ // std::cout << "unlock..."<<std::endl;
+ // user->GetMultiThreadImageReaderUserMutex().Unlock();
+ // std::cout << "event"<<std::endl;
+ user->MultiThreadImageReaderSendEvent
+ (filename,
+ MultiThreadImageReaderUser::ImageUnloaded,
+ 0);
+ // std::cout << "event ok"<<std::endl;
+
+ }
+
if (unload->Index()>=0)
{
- // std::cout << "still in queue"<<std::endl;
+ // GimmickMessage(5,"still in queue"<<std::endl);
}
unload->Index() = -1;
delete unload;
// std::cout << "delete ok."<<std::endl;
- if (user!=0)
- {
- // std::cout << "unlock..."<<std::endl;
- user->GetMultiThreadImageReaderUserMutex().Unlock();
- // std::cout << "event"<<std::endl;
- user->MultiThreadImageReaderSendEvent
- (filename,
- MultiThreadImageReaderUser::ImageUnloaded,
- 0);
- // std::cout << "event ok"<<std::endl;
-
- }
}