58 lines
1.4 KiB
C++
58 lines
1.4 KiB
C++
#include "worker.hpp"
|
|
#include <chrono>
|
|
#include <thread>
|
|
|
|
Worker *Worker::inst = 0;
|
|
QMutex Worker::workerLock;
|
|
|
|
void Worker::queue(WorkerContext *context) {
|
|
QMutexLocker ml(&lock);
|
|
_WorkerContext *c = new _WorkerContext;
|
|
c->image = context->pixmap.toImage().convertToFormat(context->targetFormat);
|
|
c->consumer = context->consumer;
|
|
qqueue.enqueue(c);
|
|
}
|
|
|
|
void Worker::init() {
|
|
QMutexLocker ml(&workerLock);
|
|
if (!inst) inst = new Worker;
|
|
}
|
|
|
|
Worker::Worker() : QObject() {
|
|
thr = new QThread;
|
|
moveToThread(thr);
|
|
connect(thr, &QThread::started, this, &Worker::process);
|
|
connect(thr, &QThread::finished, thr, &QThread::deleteLater);
|
|
connect(this, &Worker::finished, thr, &QThread::quit);
|
|
connect(this, &Worker::finished, this, &Worker::deleteLater);
|
|
connect(thr, &QThread::finished, thr, &QThread::deleteLater);
|
|
thr->start();
|
|
}
|
|
|
|
Worker::~Worker() {
|
|
end();
|
|
}
|
|
|
|
void Worker::end() {
|
|
QMutexLocker ml(&endLock);
|
|
_ended = true;
|
|
}
|
|
|
|
bool Worker::ended() {
|
|
QMutexLocker ml(&endLock);
|
|
return _ended;
|
|
}
|
|
|
|
void Worker::process() {
|
|
while (!ended()) {
|
|
lock.lock();
|
|
if (!qqueue.isEmpty()) {
|
|
_WorkerContext *c = qqueue.dequeue();
|
|
c->consumer(c->image);
|
|
}
|
|
lock.unlock();
|
|
std::this_thread::sleep_for(std::chrono::milliseconds(100)); // STL likes it's scopes
|
|
}
|
|
emit finished();
|
|
}
|