PARP Research Group

Universidad de Murcia

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examples/userIO/userIO.cpp Go to the documentation of this file. /* * Copyright (C) 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 <stdio.h> #include <stdlib.h> #include <iostream> #include <QDebug> #include <QVApplication> #include <QVVideoReaderBlock> #include <QVDefaultGUI> #include <QVImageCanvas> #include <qvipp.h> #ifndef DOXYGEN_IGNORE_THIS class UserInteract: public QVProcessingBlock { public: UserInteract(QString name = QString()): QVProcessingBlock(name) { addProperty< QVImage<uChar,1> >("Input image", inputFlag|outputFlag); addProperty< QVImage<uChar,1> >("Output image", outputFlag); addProperty<QRect>("in rect selec", inputFlag); addProperty<QVPolyline>("in polyline", inputFlag); addProperty<int>("Radius", inputFlag, 4, "Radius of the selected pixel area", 0, 32); addTrigger("Click me"); } void processTrigger(const QString triggerName) { std::cout << triggerName.toStdString() << ", block's iteration " << getIteration() << std::endl; } void iterate() { QVImage<uChar> image = getPropertyValue< QVImage<uChar,1> >("Input image"); QRect selectedRectangle = getPropertyValue<QRect>("in rect selec"); const QVPolylineF selectedPoints = getPropertyValue<QVPolylineF>("in polyline"); const int radius = getPropertyValue<int>("Radius"); QVImage<uChar> dest = image; // Set dark in the ROI area if (selectedRectangle == QRect()) selectedRectangle = image.getROI(); image.setROI(selectedRectangle); AddC(image, 10, dest, 1, QPoint(selectedRectangle.x(), selectedRectangle.y())); dest.resetROI(); // Revert darkness near the polyline's points foreach(QPointF pointF, selectedPoints) { QPoint point(pointF.x(), pointF.y()); const QRect restoreRegion = QRect(point - QPoint(radius,radius), QSize(1+2*radius,1+2*radius)); if (selectedRectangle.contains(restoreRegion, true)) { image.setROI(restoreRegion); Copy(image, dest, point - QPoint(radius,radius)); dest.resetROI(); } } setPropertyValue< QVImage<uChar,1> >("Output image", dest); } }; int main(int argc, char *argv[]) { QVApplication app(argc, argv, "Example program for QVision library." ); QVVideoReaderBlock camera("Video"); UserInteract userInteract("User interact"); camera.linkProperty(&userInteract, "Input image"); QVDefaultGUI interface; QVImageCanvas imageCanvas("image"); userInteract.linkProperty("Output image", imageCanvas); imageCanvas.linkSelectedRectangle(userInteract, "in rect selec"); imageCanvas.linkSelectedPolyline(userInteract, "in polyline"); return app.exec(); } #endif

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