PARP Research Group

Universidad de Murcia

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src/qvblockprogramming/qvapplication.cpp Go to the documentation of this file. /* * Copyright (C) 2007, 2008, 2009, 2010, 2011, 2012. PARP Research Group. * <http://perception.inf.um.es> * University of Murcia, Spain. * * This file is part of the QVision library. * * QVision is free software: you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as * published by the Free Software Foundation, version 3 of the License. * * QVision 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 Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with QVision. If not, see <http://www.gnu.org/licenses/>. */ #include <QDebug> #include <QMetaType> #include <QSet> #include <QGLWidget> #include <QVApplication> #include <QVGUI> #include <QVImageCanvas> #include <QVProcessingBlock> #include <QMutexLocker> #ifdef QVQWT #include "qvguiblocks/qvplot.h" #endif QVApplication::QVApplication (int &argc,char **argv, QString infoString,bool GUIenabled) : QApplication(argc,argv,GUIenabled), info(infoString), unusedArguments(), qvps(), visionInterface(NULL), isRunningFlag(FALSE), blockCount(0), terminateOnLastBlock(TRUE), forHelpFlag(FALSE) { if (GUIenabled and not QGLFormat::hasOpenGL() ) qFatal("This system has no OpenGL support, and QVision GUI needs it. Exiting."); qRegisterMetaType< QVariant >("QVariant"); //qRegisterMetaType< QVCamera::TCameraStatus >("QVCamera::TCameraStatus"); qRegisterMetaType< QVProcessingBlock::TBlockStatus >("QVProcessingBlock::TBlockStatus"); qRegisterMetaType< QVImage<uChar,1> >("QVImage<uChar,1>"); qRegisterMetaType< QVImage<sShort,1> >("QVImage<sShort,1>"); qRegisterMetaType< QVImage<sFloat,1> >("QVImage<sFloat,1>"); qRegisterMetaType< QVImage<uChar,3> >("QVImage<uChar,3>"); qRegisterMetaType< QVImage<sShort,3> >("QVImage<sShort,3>"); qRegisterMetaType< QVImage<sFloat,3> >("QVImage<sFloat,3>"); qRegisterMetaType< QVPropertyContainerChange >("QVPropertyContainerChange"); unusedArguments = arguments(); setApplicationName(unusedArguments[0].split("/").last()); unusedArguments.removeAt(0); // Application name removed. if(unusedArguments.contains("--help")) forHelpFlag = TRUE; } int QVApplication::processArguments() { // If --help parameter was given, show help and exit: if(unusedArguments.contains("--help")) { printHelp(); return 0; } // An initialization error of any QVPropertyContainer aborts execution: foreach(QVPropertyContainer* qvp, qvps) { QString lastError; if((lastError = qvp->getLastError()) != QString()) { std::cerr << "Error initializing QVApplication: " << qPrintable(lastError) << std::endl; return -1; } } // If there are unused arguments, show error and exit if(not unusedArguments.isEmpty()) { foreach(QString argument, unusedArguments) std::cerr << "Error initializing QVApplication: " << "unknown command line parameter: " << qPrintable(argument) << std::endl; return -1; } return 1; } int QVApplication::exec() { qDebug() << "QVApplication::exec()"; // First, process arguments and, if error in command line, or only asked for help, return: int ret_value = processArguments(); if(ret_value != 1) return ret_value; // Now we init the GUI, in order to register all cameras and blocks, and create its widgets if (visionInterface) { visionInterface->init(); visionInterface->show(); } qDebug() << "QVApplication::exec(): GUI initied"; // Now we init all registered items (cameras, plots,canvas, blocks, ...) if (!startItems()) return -1; qDebug() << "Entering in QApplication::exec()"; isRunningFlag = TRUE; int returnvalue = QApplication::exec(); qDebug() << "Back from QApplication::exec()"; qDebug() << "QVApplication::exec() <- return"; return returnvalue; } bool QVApplication::startItems() { // TODO: mover la inicialización de los QVImageCanvas al principio de esta función. Problema con el alumno de PFC. // Now we will open all cameras: /*foreach(QVPropertyContainer* qvp, qvps) { QVCamera* camera; if((camera = dynamic_cast<QVCamera*>(qvp)) != NULL) //{ //std::cout << "QVApplication::startItems(" << qPrintable(qvp->getName()) << "), camera" << std::endl; if(camera->isClosed()) { if(not camera->open()) { std::cerr << "Error initializing QVApplication: " << "could not open camera: " << qPrintable(camera->getName()) << std::endl; return false; } } //else // std::cout << "QVApplication::startItems(" << qPrintable(qvp->getName()) << "): camera not closed" << std::endl; //} } qDebug() << "QVApplication::initItems(): cameras opened";*/ // Now we will init all Plots, that are PropertyContainer: #ifdef QVQWT foreach(QVPropertyContainer* qvp, qvps) { QVPlot* plot; if((plot = dynamic_cast<QVPlot*>(qvp)) != NULL) { if (!plot->isInitied()) plot->init(); if (plot->isAutoShow()) plot->show(); } } qDebug() << "QVApplication::initItems(): plots initied"; #endif // Now we will show all canvas foreach(QVPropertyContainer* qvp, qvps) { QVImageCanvas* canvas; if((canvas = dynamic_cast<QVImageCanvas*>(qvp)) != NULL) canvas->show(); } qDebug() << "QVApplication::initItems(): canvas shown"; // Now we will start all blocks: foreach(QVPropertyContainer* qvp, qvps) { QVProcessingBlock* block; if((block = dynamic_cast<QVProcessingBlock*>(qvp)) != NULL) { QVProcessingBlock* masterBlock; // The block must be moved to his master thread (if its a block), that will be usualy himself if((masterBlock = dynamic_cast<QVProcessingBlock*>(qvp->getMaster())) != NULL) block->moveToThread(masterBlock); connect(block,SIGNAL(finished()),this,SLOT(blockFinished())); // only start the masters threads, and only count this blocks to the endOnLastIteration condition if (block->isSequentialGroupMaster()) { blockCount++; block->start(); } } } isRunningFlag = TRUE; qDebug() << "QVApplication::initItems(): blocks started"; return true; } void QVApplication::quit() { quitItems(); deregisterGUI(); this->exit(0); } void QVApplication::quitItems() { qDebug() << "QVApplication::quitItems()"; // We order all blocks to finish... foreach(QVPropertyContainer* qvp, qvps) { QVProcessingBlock* block; if((block = dynamic_cast<QVProcessingBlock*>(qvp)) != NULL) block->finish(); } // ... and then wait for all of them (Warning, it won't work if we try to // finish and wait in the same loop). foreach(QVPropertyContainer* qvp, qvps) { QVProcessingBlock* block; if((block = dynamic_cast<QVProcessingBlock*>(qvp)) != NULL) { // Needed to treat possible pending Qt::BlockingQueuedConnection // signals from qvpropertycontainer.h: // if it is not a master the threat was not started, and wait do nothing while(not block->wait(10/*ms*/)) processEvents(); deregisterQVPropertyContainer(block); } } qDebug() << "QVApplication::quitItems(): blocks finished"; // Now we will hide all canvas foreach(QVPropertyContainer* qvp, qvps) { QVImageCanvas* canvas; if((canvas = dynamic_cast<QVImageCanvas*>(qvp)) != NULL) { canvas->hide(); deregisterQVPropertyContainer(canvas); } } qDebug() << "QVApplication::quitItems(): canvas hiden"; #ifdef QVQWT // Now we will stop all Plots, that are PropertyContainer: foreach(QVPropertyContainer* qvp, qvps) { QVPlot* plot; if((plot = dynamic_cast<QVPlot*>(qvp)) != NULL) { plot->stop(); plot->hide(); deregisterQVPropertyContainer(plot); } } qDebug() << "QVApplication::quitItems(): plots initied"; #endif // Now we will close all cameras: /*foreach(QVPropertyContainer* qvp, qvps) { QVCamera* camera; if((camera = dynamic_cast<QVCamera*>(qvp)) != NULL) { if(!camera->isClosed()) camera->close(); deregisterQVPropertyContainer(camera); } } qDebug() << "QVApplication::quitItems(): cameras closed";*/ isRunningFlag = FALSE; // para que se pueda parar y realizar nuevos enlaces } void QVApplication::quitBlock(QVProcessingBlock *block) { if (qvps.contains(block)) { block->finish(); while(not block->wait(10/*ms*/)) processEvents(); deregisterQVPropertyContainer(block); // delete block; // no se puede si no se crean con new } } QStringList QVApplication::getUnusedArguments() { return unusedArguments; } void QVApplication::setArgumentAsUsed(QString argument) { qDebug() << "QVApplication::setArgumentAsUsed(QString,bool)"; int index = unusedArguments.indexOf(argument); if(index != -1) unusedArguments.removeAt(index); qDebug() << "QVApplication::setArgumentAsUsed(QString,bool) <- return"; } #ifndef DOXYGEN_IGNORE_THIS void QVApplication::registerQVPropertyContainer(QVPropertyContainer *qvp) { qDebug() << "QVApplication::registerQVPropertyContainer(" << qvp->getName() << ")"; qvps.insert(qvp); qDebug() << "QVApplication::registerQVPropertyContainer(" << qvp->getName() << ") -> return"; } void QVApplication::deregisterQVPropertyContainer(QVPropertyContainer *qvp) { qDebug() << "QVApplication::registerQVPropertyContainer(" << qvp->getName() << ")"; qvps.remove(qvp); qDebug() << "QVApplication::registerQVPropertyContainer(" << qvp->getName() << ") -> return"; } void QVApplication::registerGUI(QVGUI *visionInterface) { this->visionInterface = visionInterface; } void QVApplication::deregisterGUI() { this->visionInterface = 0; } #endif void QVApplication::printHelp() { std::cout << qPrintable(getHelp()); } void QVApplication::blockFinished() { blockCount--; if(blockCount == 0) if(terminateOnLastBlock) quit(); } QString QVApplication::getHelp() { QString help_string; help_string = "Usage: " + applicationName() + " [OPTIONS]\n\n"; if (info != QString()) help_string = help_string + qPrintable(info) + "\n\n"; QSetIterator<QVPropertyContainer *> iq(qvps); while (iq.hasNext()) { QString infoHolder = iq.next()->infoInputProperties(); if(infoHolder != QString() ) help_string += infoHolder + "\n"; } return help_string; }

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QVision framework. PARP research group. Copyright © 2007, 2008, 2009, 2010, 2011.