107 lines
2.2 KiB
C++
107 lines
2.2 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 <updater.h>
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#include <gdkmm.h>
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Updater::Updater () :
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change (0),
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ipc (NULL),
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pl (NULL),
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running (false)
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{
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}
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ProcParams* Updater::changing (int what) {
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mutex.lock ();
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change |= what;
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return ¶ms;
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}
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void Updater::changed () {
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mutex.unlock ();
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startProcessing ();
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}
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void Updater::clearState () {
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mutex.lock ();
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change = 0;
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mutex.unlock ();
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}
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ProcParams* Updater::getParams () {
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return ¶ms;
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}
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void Updater::startProcessing () {
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#undef THREAD_PRIORITY_LOW
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tstart.lock ();
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if (ipc && !running) {
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running = true;
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tstart.unlock ();
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Glib::Thread::create(sigc::mem_fun(*this, &Updater::process), 0, false, true, Glib::THREAD_PRIORITY_LOW);
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}
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else
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tstart.unlock ();
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}
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void Updater::process () {
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processing.lock ();
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if (pl)
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pl->setProcessingState (true);
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int ch;
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mutex.lock ();
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while (change && ipc) {
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ipc->params.copy (¶ms);
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ch = change;
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change = 0;
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mutex.unlock ();
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if (ch<=16384)
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ipc->update (ch);
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mutex.lock ();
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}
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mutex.unlock ();
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tstart.lock ();
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running = false;
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tstart.unlock ();
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if (pl)
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pl->setProcessingState (false);
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processing.unlock ();
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}
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void Updater::stop () {
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if (running) {
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change = 0;
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processing.lock ();
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processing.unlock ();
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}
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}
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