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/*
Aeskulap ImagePool - DICOM abstraction library
Copyright (C) 2005 Alexander Pipelka
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the Free
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
Alexander Pipelka
*/
#include "imagepool.h"
#include "loader.h"
#include "dcmtk/dcmdata/dcdatset.h"
#include <gtkmm.h>
namespace ImagePool {
Loader::Loader() :
m_loader(NULL),
m_busy(false),
m_finished(false)
{
//m_add_image.connect(sigc::mem_fun(*this, &Loader::add_image_callback));
//m_finished.connect(sigc::mem_fun(*this, &Loader::finished));
}
Loader::~Loader() {
}
bool Loader::start() {
if(m_busy) {
return false;
}
m_finished = false;
m_conn_timer = Glib::signal_timeout().connect(sigc::mem_fun(*this, &Loader::on_timeout), 500);
m_loader = Glib::Thread::create(sigc::mem_fun(*this, &Loader::thread), false);
return true;
}
bool Loader::on_timeout() {
process_instance();
if(m_finished) {
finished();
return false;
}
return true;
}
void Loader::stop() {
}
void Loader::process_instance() {
if(m_imagequeue.size() == 0) {
return;
}
Glib::RefPtr<ImagePool::Instance> r = m_imagequeue.front();
m_imagequeue.pop();
OFString value;
// register study
Glib::RefPtr<ImagePool::Study> new_study = r->study();
if(new_study->size() == 0) {
signal_study_added(new_study);
}
// register series
Glib::RefPtr<ImagePool::Series> new_series = get_series(r->m_seriesinstanceuid);
bool bEmit = (new_series->size() == 0);
if(new_series->size() == 0) {
new_series->m_studyinstanceuid = r->m_studyinstanceuid;
new_series->m_institutionname = r->m_institutionname;
new_series->m_description = r->m_seriesdescription;
new_series->m_modality = r->m_modality;
if(new_series->m_seriestime.empty()) {
new_series->m_seriestime = r->m_time;
}
}
new_study->at(r->m_seriesinstanceuid) = new_series;
new_series->m_seriesinstanceuid = r->m_seriesinstanceuid;
if(bEmit) {
new_study->signal_series_added(new_series);
}
r->m_study = new_study;
r->m_series = new_series;
// check instancenumber
if(r->m_instancenumber == 0) {
r->m_instancenumber = new_series->size() + 1;
}
// register instance
new_series->at(r->m_sopinstanceuid) = r;
new_series->signal_instance_added(r);
new_study->emit_progress();
if(m_imagequeue.size() > 0) {
process_instance();
}
}
void Loader::add_image(DcmDataset* dset) {
//dset->print(COUT, DCMTypes::PF_shortenLongTagValues);
Glib::RefPtr<ImagePool::Instance> image = ImagePool::Instance::create(dset);
if(!image) {
return;
}
register_instance(image);
std::string studyinstanceuid = image->studyinstanceuid();
int imagecount = m_cache[studyinstanceuid].m_instancecount;
int seriescount = m_cache[studyinstanceuid].m_seriescount;
int count = image->study()->get_instancecount()+1;
image->study()->set_instancecount(count, imagecount);
image->study()->set_seriescount(seriescount);
// add to cache
m_cache[studyinstanceuid].m_study = image->study();
m_imagequeue.push(image);
}
bool Loader::run() {
return false;
}
void Loader::finished() {
std::cout << "wait for imagequeue ";
while(m_imagequeue.size() > 0) {
std::cout << ".";
process_instance();
}
std::cout << std::endl;
std::map<std::string, CacheEntry>::iterator i = m_cache.begin();
while(i != m_cache.end()) {
if(i->second.m_study) {
i->second.m_study->signal_progress(1);
}
i++;
}
m_cache.clear();
}
void Loader::thread() {
m_mutex.lock();
m_busy = true;
m_mutex.unlock();
bool rc = run();
std::cout << "finished" << std::endl;
m_finished = true;
// wait for finished() (clears m_cache)
std::cout << "wait for cache ";
while(m_cache.size() > 0) {
std::cout << ".";
Glib::usleep(1000*100);
}
std::cout << std::endl;
m_mutex.lock();
m_conn_timer.disconnect();
m_busy = false;
m_mutex.unlock();
// throw error
if(!rc) {
std::cout << "signal_error()" << std::endl;
signal_error();
}
std::cout << "thread finished" << std::endl;
}
bool Loader::busy() {
m_mutex.lock();
bool rc = m_busy;
m_mutex.unlock();
return rc;
}
} // namespace ImagePool
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