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         m_moveX=false;
  35         m_moveY=true;
  36         m_moveTimeline=true;
  37 }
  38
  39 void ParameterPlotter::setPointLists(const QList< QPair<QString, QMap< int , QVariant > > >& params,int startframe, int endframe){
  40
  41         QListIterator <QPair <QString, QMap< int , QVariant > > > nameit(params);
  42         int max_y=0;
  43         parameterNameList.clear();
  44
  45
  46         while (nameit.hasNext() ){
  47                 KPlotObject *plot=new KPlotObject(colors[plotobjects.size()%colors.size()]);
  48                 plot->setShowLines(true);
  49                 QPair<QString, QMap< int , QVariant > > item=nameit.next();
  50                 parameterNameList << item.first;
  51
  52                 QMapIterator <int,QVariant> pointit=item.second;
  53                 while (pointit.hasNext()){
  54                         pointit.next();
  55                         plot->addPoint(QPointF(pointit.key(),pointit.value().toDouble()),item.first,1);
  56                         if (pointit.value().toInt() >maxy)
  57                                 max_y=pointit.value().toInt();
  58                 }
  59                 plotobjects.append(plot);
  60         }
  61         maxx=endframe;
  62         maxy=max_y;
  63         setLimits(0,endframe,0,maxy+10);
  64         addPlotObjects(plotobjects);
  65 }
  66
  67 void ParameterPlotter::createParametersNew(){
  68         QList< QPair<QString, QMap<int,QVariant> > > ret;
  69         QList<KPlotObject*> plotobjs=plotObjects();
  70         if (plotobjs.size() != parameterNameList.size() ){
  71                 kDebug() << "ERROR size not equal";
  72         }
  73
  74         for (int i=0;i<parameterNameList.size() ;i++){
  75                 QList<KPlotPoint*> points=plotobjs[i]->points();
  76                 QMap<int,QVariant> vals;
  77                 foreach (KPlotPoint *o,points){
  78                         vals[o->x()]=o->y();
  79                 }
  80                 QPair<QString,QMap<int,QVariant> > pair("contrast",vals);
  81                 ret.append(pair);
  82         }
  83
  84         emit parameterChanged(ret);
  85
  86 }
  87
  88
  89 void ParameterPlotter::mouseMoveEvent ( QMouseEvent * event ) {
  90
  91         if (movepoint!=NULL){
  92                 QList<KPlotPoint*> list=   pointsUnderPoint (event->pos()-QPoint(leftPadding(), topPadding() )  ) ;
  93                 int i=0,j=-1;
  94                 foreach (KPlotObject *o, plotObjects() ){
  95                         QList<KPlotPoint*> points=o->points();
  96                         for(int p=0;p<points.size();p++){
  97                                 if (points[p]==movepoint){
  98                                         QPoint delta=event->pos()-oldmousepoint;
  99                                         if (m_moveY)
 100                                         movepoint->setY(movepoint->y()-delta.y()*dataRect().height()/pixRect().height() );
 101                                         if (p>0 && p<points.size()-1){
 102                                                 double newx=movepoint->x()+delta.x()*dataRect().width()/pixRect().width();
 103                                                 if ( newx>points[p-1]->x() && newx<points[p+1]->x() && m_moveX)
 104                                                         movepoint->setX(movepoint->x()+delta.x()*dataRect().width()/pixRect().width() );
 105                                         }
 106                                         replacePlotObject(i,o);
 107                                         oldmousepoint=event->pos();
 108                                 }
 109                         }
 110                         i++;
 111                 }
 112                 createParametersNew();
 113         }
 114 }
 115
 116 void ParameterPlotter::mousePressEvent ( QMouseEvent * event ) {
 117         QList<KPlotPoint*> list=   pointsUnderPoint (event->pos()-QPoint(leftPadding(), topPadding() )  ) ;
 118         if (list.size() > 0){
 119                 movepoint=list[0];
 120                 oldmousepoint=event->pos();
 121         }else
 122                 movepoint=NULL;
 123 }
 124
 125 void ParameterPlotter::setMoveX(bool b){
 126         m_moveX=b;
 127 }
 128
 129 void ParameterPlotter::setMoveY(bool b){
 130         m_moveY=b;
 131 }
 132
 133 void ParameterPlotter::setMoveTimeLine(bool b){
 134         m_moveTimeline=b;
 135 }
 136
 137 bool ParameterPlotter::isMoveX(){
 138         return m_moveX;
 139 }
 140
 141 bool ParameterPlotter::isMoveY(){
 142         return m_moveY;
 143 }
 144
 145 bool ParameterPlotter::isMoveTimeline(){
 146         return m_moveTimeline;
 147 }