git.sesse.net Git - kdenlive/blob - src/parameterplotter.cpp

   1 /***************************************************************************
   2                           parameterplotter.cpp  -  description
   3                              -------------------
   4     begin                : Feb 15 2008
   5     copyright            : (C) 2008 by Marco Gittler
   6     email                : g.marco@freenet.de
   7  ***************************************************************************/
   8
   9 /***************************************************************************
  10  *                                                                         *
  11  *   This program is free software; you can redistribute it and/or modify  *
  12  *   it under the terms of the GNU General Public License as published by  *
  13  *   the Free Software Foundation; either version 2 of the License, or     *
  14  *   (at your option) any later version.                                   *
  15  *                                                                         *
  16  ***************************************************************************/
  17
  18 #include "parameterplotter.h"
  19 #include <QVariant>
  20 #include <KPlotObject>
  21 #include <QMouseEvent>
  22 #include <KDebug>
  23 #include <KPlotPoint>
  24
  25 ParameterPlotter::ParameterPlotter (QWidget *parent):KPlotWidget (parent){
  26         setAntialiasing(true);
  27         setLeftPadding(20);
  28         setRightPadding(10);
  29         setTopPadding(10);
  30         setBottomPadding(20);
  31         movepoint=NULL;
  32         colors << Qt::white << Qt::red << Qt::green << Qt::blue << Qt::magenta << Qt::gray << Qt::cyan;
  33         maxy=0;
  34 }
  35
  36 void ParameterPlotter::setPointLists(const QList< QPair<QString, QMap< int , QVariant > > >& params,int startframe, int endframe){
  37
  38         QListIterator <QPair <QString, QMap< int , QVariant > > > nameit(params);
  39         int max_y=0;
  40         parameterNameList.clear();
  41
  42
  43         while (nameit.hasNext() ){
  44                 KPlotObject *plot=new KPlotObject(colors[plotobjects.size()%colors.size()]);
  45                 plot->setShowLines(true);
  46                 QPair<QString, QMap< int , QVariant > > item=nameit.next();
  47                 parameterNameList << item.first;
  48
  49                 QMapIterator <int,QVariant> pointit=item.second;
  50                 while (pointit.hasNext()){
  51                         pointit.next();
  52                         plot->addPoint(QPointF(pointit.key(),pointit.value().toDouble()),item.first,1);
  53                         if (pointit.value().toInt() >maxy)
  54                                 max_y=pointit.value().toInt();
  55                 }
  56                 plotobjects.append(plot);
  57         }
  58         maxx=endframe;
  59         maxy=max_y;
  60         setLimits(0,endframe,0,maxy+10);
  61         addPlotObjects(plotobjects);
  62 }
  63
  64 void ParameterPlotter::createParametersNew(){
  65         QList< QPair<QString, QMap<int,QVariant> > > ret;
  66         QList<KPlotObject*> plotobjs=plotObjects();
  67         if (plotobjs.size() != parameterNameList.size() ){
  68                 kDebug() << "ERROR size not equal";
  69         }
  70
  71         for (int i=0;i<parameterNameList.size() ;i++){
  72                 QList<KPlotPoint*> points=plotobjs[i]->points();
  73                 QMap<int,QVariant> vals;
  74                 foreach (KPlotPoint *o,points){
  75                         vals[o->x()]=o->y();
  76                 }
  77                 QPair<QString,QMap<int,QVariant> > pair("contrast",vals);
  78                 ret.append(pair);
  79         }
  80
  81         emit parameterChanged(ret);
  82
  83 }
  84
  85
  86 void ParameterPlotter::mouseMoveEvent ( QMouseEvent * event ) {
  87
  88         if (movepoint!=NULL){
  89                 QList<KPlotPoint*> list=   pointsUnderPoint (event->pos()-QPoint(leftPadding(), topPadding() )  ) ;
  90                 int i=0,j=-1;
  91                 foreach (KPlotObject *o, plotObjects() ){
  92                         QList<KPlotPoint*> points=o->points();
  93                         for(int p=0;p<points.size();p++){
  94                                 if (points[p]==movepoint){
  95                                         QPoint delta=event->pos()-oldmousepoint;
  96                                         movepoint->setY(movepoint->y()-delta.y()*dataRect().height()/pixRect().height() );
  97                                         if (p>0 && p<points.size()-1){
  98                                                 double newx=movepoint->x()+delta.x()*dataRect().width()/pixRect().width();
  99                                                 if ( newx>points[p-1]->x() && newx<points[p+1]->x() )
 100                                                         movepoint->setX(movepoint->x()+delta.x()*dataRect().width()/pixRect().width() );
 101                                         }
 102                                         replacePlotObject(i,o);
 103                                         oldmousepoint=event->pos();
 104                                 }
 105                         }
 106                         i++;
 107                 }
 108                 createParametersNew();
 109         }
 110 }
 111
 112 void ParameterPlotter::mousePressEvent ( QMouseEvent * event ) {
 113         QList<KPlotPoint*> list=   pointsUnderPoint (event->pos()-QPoint(leftPadding(), topPadding() )  ) ;
 114         if (list.size() > 0){
 115                 movepoint=list[0];
 116                 oldmousepoint=event->pos();
 117         }else
 118                 movepoint=NULL;
 119 }