QVision: Qt's Image, Video and Computer Vision Library

00001 /*
00002  *      Copyright (C) 2007, 2008, 2009, 2010, 2011, 2012. PARP Research Group.
00003  *      <http://perception.inf.um.es>
00004  *      University of Murcia, Spain.
00005  *
00006  *      This file is part of the QVision library.
00007  *
00008  *      QVision is free software: you can redistribute it and/or modify
00009  *      it under the terms of the GNU Lesser General Public License as
00010  *      published by the Free Software Foundation, version 3 of the License.
00011  *
00012  *      QVision is distributed in the hope that it will be useful,
00013  *      but WITHOUT ANY WARRANTY; without even the implied warranty of
00014  *      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00015  *      GNU Lesser General Public License for more details.
00016  *
00017  *      You should have received a copy of the GNU Lesser General Public
00018  *      License along with QVision. If not, see <http://www.gnu.org/licenses/>.
00019  */
00020 
00024 
00025 #ifndef QVPLOT_H
00026 #define QVPLOT_H
00027 
00028 #include <QTimer>
00029 #include <QVProcessingBlock>
00030 
00031 #include <qwt_plot.h>
00032 #include <qwt_plot_curve.h>
00033 
00034 #define MAX_HISTORY 60 // seconds
00035 
00044 
00045 class QVPlot: public QwtPlot, public QVPropertyContainer
00046     {
00047     Q_OBJECT
00048     public:
00059         QVPlot(const QString name = QString(), bool decorations = true, bool havePie = false, bool brush = false, bool _autoShow = false, bool time = true,
00060                int step = 10, QWidget *parent = 0);
00061 
00062         ~QVPlot();
00063 
00072         bool linkProperty(QString sourcePropertyName, QVPropertyContainer *destinyContainer, QString destinyPropertyName, LinkType linkType = AsynchronousLink);
00073         bool linkProperty(QString sourcePropertyName, QVPropertyContainer &destinyContainer, QString destinyPropertyName, LinkType linkType = AsynchronousLink);
00074         bool linkProperty(QVPropertyContainer *destinyContainer, QString destinyPropertyName, LinkType linkType = AsynchronousLink);
00075         bool linkProperty(QVPropertyContainer &destinyContainer, QString destinyPropertyName, LinkType linkType = AsynchronousLink);
00076         bool linkProperty(QString sourcePropertyName, QVPropertyContainer *destinyContainer, LinkType linkType = AsynchronousLink);
00077         bool linkProperty(QString sourcePropertyName, QVPropertyContainer &destinyContainer, LinkType linkType = AsynchronousLink);
00078         void linkProperty(QVPropertyContainer *container, LinkType linkType = AsynchronousLink);
00079         void linkProperty(QVPropertyContainer &container, LinkType linkType = AsynchronousLink);
00080         bool unlinkProperty(QString origName, QVPropertyContainer *destCont, QString destName);
00081         bool unlinkProperty(QString origName, QVPropertyContainer &destCont, QString destName);
00082         void unlink();
00083 
00084 
00088         bool isAutoShow() const { return autoShow; }
00089 
00093         bool isInitied() const { return initied; }
00094 
00095     public slots:
00098         virtual void init();
00099 
00102         virtual void stop();
00103 
00108         void update(uint id, int iteration);
00109 
00114         void blockChange(QVProcessingBlock::TBlockStatus status);
00115 
00120         void legendItemCheked(bool check);
00121 
00122     signals:
00123         void closed();
00124 
00125 #ifndef DOXYGEN_IGNORE_THIS
00126     protected:
00138         virtual bool linkUnspecifiedInputProperty(QVPropertyContainer *sourceContainer, QString sourcePropName, LinkType linkType = AsynchronousLink);
00139 
00140         bool treatUnlinkInputProperty(QString destPropName, QVPropertyContainer *sourceCont, QString sourcePropName);
00141 
00142         void closeEvent(QCloseEvent *event) { Q_UNUSED(event); emit closed(); }
00143 
00144 
00149         virtual QStringList getPropertyCurvNames(QString property) const = 0;
00150 
00155         virtual QList<double> getPropertyCurvValues(QString property) const = 0;
00156 
00162         virtual QList<int> getPropertyCurvOrders(QString property) const = 0;
00163 
00164         class Curve
00165             {
00166             public:
00167                 Curve(QString n, QwtPlotCurve *qwtpc, int tempSize): name(n), plot(qwtpc)
00168                     {
00169                     for (int i = 0; i < MAX_HISTORY; i++) history[i] = 0;
00170                     if (tempSize > 0)
00171                         {
00172                         temp = new double[tempSize];
00173                         for (int i = 0; i < tempSize; i++) temp[i] = 0;
00174                         }
00175                     }
00176                 QString name;
00177                 QwtPlotCurve * plot;
00178                 double history[MAX_HISTORY];
00179                 double brushHistory[MAX_HISTORY];
00180                 double * temp;
00181             };
00182 
00183         class Property
00184             {
00185             public:
00186                 Property(QString n): name(n) {}
00187                 QString name;
00188                 QList<Curve> curves;
00189             };
00190 
00191         class LinkedContainer
00192             {
00193             public:
00194                 LinkedContainer(int ident): id(ident), iter(0), meanItems(0) {}
00195                 uint id;
00196                 int iter;
00197                 QList<Property> properties;
00198                 int meanItems;
00199             };
00200 
00201         QList<LinkedContainer> linkCont;
00202         const bool byTime;
00203         int iterationIndex;
00204 
00205         QColor nextColor();
00206         virtual void advancePlot();
00207         void timerEvent(QTimerEvent *e);
00208         virtual void insertNewFlags(int cont, int prop);
00209         void updateLegendItems();
00210         void hideStat(const QString labelText);
00211         void showStat(const QString labelText);
00212 
00213         const bool decorations, hPie, doBrush;
00214         const int nStep;
00215 
00216         friend class PieMarker;
00217         class PieMarker: public QwtPlotItem
00218             {
00219             public:
00220                 PieMarker(QVPlot *plot);
00221                 virtual int rtti() const;
00222                 virtual void draw(QPainter *p, const QwtScaleMap &, const QwtScaleMap &, const QRect &rect) const;
00223 
00224             private:
00225                 QVPlot *qvplot;
00226             };
00227 
00228         bool initied, autoShow;
00229         int timer;
00230         PieMarker *pie;
00231         bool haveCurves;
00232         int activeBlocks;
00233         QList<QVPropertyContainer *> pcl_Blocks;
00234         double timeData[MAX_HISTORY];
00235         int usedColors;
00236     };
00237 
00238 #endif
00239 #endif
00240
src/qvblockprogramming/qvguiblocks/qvplot.h
