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 QVGLCANVAS_H
00026 #define QVGLCANVAS_H
00027 
00028 #include <QVProcessingBlock>
00029 #include <QVQuaternion>
00030 #include <QV3DPolylineF>
00031 
00032 #include "qv3dmodel.h"
00033 
00034 #ifndef DOXYGEN_IGNORE_THIS
00035 
00046 class QV3DCanvas;
00047 
00048 class QV3DEllipsoid: public QV3DModel
00049         {
00050         private:
00051                 QColor color;
00052                 double rx, ry, rz, cx, cy, cz;
00053                 int lats, longs;
00054         public:
00055                 QV3DEllipsoid(  const QColor color = Qt::yellow,
00056                                 const double rx = 0.5, const double ry = 0.5, const double rz = 0.5,
00057                                 const double cx = 0.0, const double cy = 0.0, const double cz = 0.0,
00058                                 const int lats = 100, const int longs = 100):QV3DModel(),
00059                         color(color), rx(rx), ry(ry), rz(rz), cx(cx), cy(cy), cz(cz),
00060                         lats(lats), longs(longs)
00061                         { }
00062 
00063                 void paint(QV3DCanvas &glWidget);
00064         };
00065 
00078 class QV3DCanvas : public QGLWidget, public QVPropertyContainer
00079         {
00080                 Q_OBJECT
00081         
00082         public:
00083                 QV3DCanvas(     const QString &title, const double zoom = 0.5, bool dr_center=FALSE,
00084                                 const QColor &backgroundColor = Qt::black, QWidget* parent=0);
00085         
00086                 ~QV3DCanvas ();
00087         
00088                 virtual void init() {};
00089                 virtual void display() {};
00090                 virtual void reshape(int, int) {};
00091         
00095                 bool setBackgroundColor(const QColor &color)    { backgroundColor = color; return true; };
00096 
00100                 void setAmbientLight(const double R, const double G, const double B)
00101                         {
00102                         ambientLightR = R;
00103                         ambientLightG = G;
00104                         ambientLightB = B;
00105                         };
00106         
00114                 bool setDisplayColor(const QString &name, const QColor &color)  { return setPropertyValue<QColor>("Color for " + name, color); }
00115                 
00121                 bool setDisplaySize(const QString &name, const double size)     { return setPropertyValue<double>("Size for " + name, size); }
00122         
00123                 virtual bool linkUnspecifiedInputProperty(QVPropertyContainer *sourceContainer, QString sourcePropName, LinkType linkType);
00124         
00130                 void add3DModel(QV3DModel &model)
00131                         {
00132                         models.append(&model);
00133                         //QObject::connect(model.getInformer(), SIGNAL(modelUpdated()), this, SLOT(updateGL()), Qt::QueuedConnection);
00134                         }
00135         
00136         
00137                 void drawQVImage(QVGenericImage *image/*,bool adaptsize=TRUE,float low=0.0, float high=255.0*/);
00138         signals:
00139                 void closed();
00140         
00141         protected:
00142         
00143                 void draw(const QV3DPolylineF &qv3DPolyline, const QColor color = Qt::red, const double size = 1);
00144                 void draw(const QList<QV3DPointF> &qv3DPointList, const QColor color = Qt::red, const double size = 1);
00145         
00146                 void initializeGL();
00147                 void paintGL();
00148                 void resizeGL(int w, int h );
00149         
00150                 void viewer();
00151         
00152                 void mousePressEvent(QMouseEvent * event);
00153                 void mouseReleaseEvent(QMouseEvent *event);
00154                 void mouseMoveEvent(QMouseEvent *event);
00155                 void wheelEvent(QWheelEvent *event);
00156                 void keyPressEvent(QKeyEvent *event);
00157                 
00158                 void closeEvent(QCloseEvent * event);
00159 
00160                 const QColor    getNextColor()
00161                         {
00162                         QColor color = qvColors[colorCursor++];
00163                         colorCursor %= 10;
00164                         return color;
00165                         }
00166         
00167         private:
00168                 //QList<QVGenericImage*> imageList;
00169 
00170                 void draw_center_of_rotation();
00171                 
00172                 int beginx, beginy;
00173                 QVQuaternion trackballQuat;
00174                 double cx,cy,cz;
00175                 double ambientLightR, ambientLightG, ambientLightB;
00176                 bool dr_center;
00177                 double zoom, fov;
00178                 bool pressedleft, pressedright;
00179                 
00180                 int colorCursor;
00181                 QColor backgroundColor;
00182                 QList< QV3DModel *> models;
00183         };
00184 
00185 #endif
00186 
00187 #endif
src/qvblockprogramming/qvguiblocks/qv3dcanvas.h
