138 lines
3.6 KiB
C++
138 lines
3.6 KiB
C++
/*
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* This file is part of RawTherapee.
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*
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* Copyright (c) 2004-2010 Gabor Horvath <hgabor@rawtherapee.com>
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*
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* RawTherapee is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* RawTherapee is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with RawTherapee. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <bqentryupdater.h>
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#include <gtkmm.h>
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#include <guiutils.h>
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BatchQueueEntryUpdater batchQueueEntryUpdater;
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BatchQueueEntryUpdater::BatchQueueEntryUpdater ()
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: tostop(false), stopped(true), qMutex(NULL) {
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}
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void BatchQueueEntryUpdater::add (guint8* oimg, int ow, int oh, int newh, BQEntryUpdateListener* listener) {
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if (!qMutex)
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qMutex = new Glib::Mutex ();
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qMutex->lock ();
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// look up if an older version is in the queue
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std::list<Job>::iterator i;
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for (i=jqueue.begin(); i!=jqueue.end(); i++)
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if (i->oimg==oimg && i->listener==listener) {
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i->ow = ow;
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i->oh = oh;
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i->newh = newh;
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i->listener = listener;
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break;
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}
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// not found, create and append new job
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if (i==jqueue.end ()) {
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Job j;
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j.oimg = oimg;
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j.ow = ow;
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j.oh = oh;
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j.newh = newh;
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j.listener = listener;
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jqueue.push_back (j);
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}
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qMutex->unlock ();
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}
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void BatchQueueEntryUpdater::process () {
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if (stopped)
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#undef THREAD_PRIORITY_NORMAL
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thread = Glib::Thread::create(sigc::mem_fun(*this, &BatchQueueEntryUpdater::process_), (unsigned long int)0, true, true, Glib::THREAD_PRIORITY_LOW);
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}
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void BatchQueueEntryUpdater::process_ () {
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stopped = false;
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tostop = false;
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// TODO: process visible jobs first
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while (!tostop && !jqueue.empty ()) {
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qMutex->lock ();
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Job current = jqueue.front ();
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jqueue.pop_front ();
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qMutex->unlock ();
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if (current.listener) {
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int neww = current.newh * current.ow / current.oh;
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guint8* img = new guint8 [current.newh*neww*3];
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thumbInterp (current.oimg, current.ow, current.oh, img, neww, current.newh);
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current.listener->updateImage (img, neww, current.newh);
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}
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}
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stopped = true;
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}
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void BatchQueueEntryUpdater::stop () {
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if (stopped) {
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tostop = true;
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return; }
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gdk_threads_leave();
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tostop = true;
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Glib::Thread::self()->yield();
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if (!stopped)
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thread->join ();
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gdk_threads_enter();
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}
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void BatchQueueEntryUpdater::removeJobs () {
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if (!qMutex)
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return;
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qMutex->lock ();
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while (!jqueue.empty())
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jqueue.pop_front ();
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qMutex->unlock ();
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}
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void BatchQueueEntryUpdater::removeJobs (BQEntryUpdateListener* listener) {
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if (!qMutex)
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return;
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qMutex->lock ();
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bool ready = false;
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while (!ready) {
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ready = true;
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std::list<Job>::iterator i;
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for (i=jqueue.begin(); i!=jqueue.end(); i++)
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if (i->listener == listener) {
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jqueue.erase (i);
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ready = false;
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break;
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}
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}
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qMutex->unlock ();
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}
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void BatchQueueEntryUpdater::terminate () {
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stop ();
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removeJobs ();
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}
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