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         m_newPoints=false;
  38 }
  39
  40 void ParameterPlotter::setPointLists(const QList< QPair<QString, QMap< int , QVariant > > >& params,int startframe, int endframe){
  41
  42         QListIterator <QPair <QString, QMap< int , QVariant > > > nameit(params);
  43         int max_y=0;
  44         parameterNameList.clear();
  45
  46
  47         while (nameit.hasNext() ){
  48                 KPlotObject *plot=new KPlotObject(colors[plotobjects.size()%colors.size()]);
  49                 plot->setShowLines(true);
  50                 QPair<QString, QMap< int , QVariant > > item=nameit.next();
  51                 parameterNameList << item.first;
  52
  53                 QMapIterator <int,QVariant> pointit=item.second;
  54                 while (pointit.hasNext()){
  55                         pointit.next();
  56                         plot->addPoint(QPointF(pointit.key(),pointit.value().toDouble()),item.first,1);
  57                         if (pointit.value().toInt() >maxy)
  58                                 max_y=pointit.value().toInt();
  59                 }
  60                 plotobjects.append(plot);
  61         }
  62         maxx=endframe;
  63         maxy=max_y;
  64         setLimits(0,endframe,0,maxy+10);
  65         addPlotObjects(plotobjects);
  66 }
  67
  68 void ParameterPlotter::createParametersNew(){
  69         QList< QPair<QString, QMap<int,QVariant> > > ret;
  70         QList<KPlotObject*> plotobjs=plotObjects();
  71         if (plotobjs.size() != parameterNameList.size() ){
  72                 kDebug() << "ERROR size not equal";
  73         }
  74
  75         for (int i=0;i<parameterNameList.size() ;i++){
  76                 QList<KPlotPoint*> points=plotobjs[i]->points();
  77                 QMap<int,QVariant> vals;
  78                 foreach (KPlotPoint *o,points){
  79                         vals[o->x()]=o->y();
  80                 }
  81                 QPair<QString,QMap<int,QVariant> > pair("contrast",vals);
  82                 ret.append(pair);
  83         }
  84
  85         emit parameterChanged(ret);
  86
  87 }
  88
  89
  90 void ParameterPlotter::mouseMoveEvent ( QMouseEvent * event ) {
  91
  92         if (movepoint!=NULL){
  93                 QList<KPlotPoint*> list=   pointsUnderPoint (event->pos()-QPoint(leftPadding(), topPadding() )  ) ;
  94                 int i=0,j=-1;
  95                 foreach (KPlotObject *o, plotObjects() ){
  96                         QList<KPlotPoint*> points=o->points();
  97                         for(int p=0;p<points.size();p++){
  98                                 if (points[p]==movepoint){
  99                                         QPoint delta=event->pos()-oldmousepoint;
 100                                         if (m_moveY)
 101                                         movepoint->setY(movepoint->y()-delta.y()*dataRect().height()/pixRect().height() );
 102                                         if (p>0 && p<points.size()-1){
 103                                                 double newx=movepoint->x()+delta.x()*dataRect().width()/pixRect().width();
 104                                                 if ( newx>points[p-1]->x() && newx<points[p+1]->x() && m_moveX)
 105                                                         movepoint->setX(movepoint->x()+delta.x()*dataRect().width()/pixRect().width() );
 106                                         }
 107                                         if (m_moveTimeline && (m_moveX|| m_moveY) )
 108                                                 emit updateFrame(0);
 109                                         replacePlotObject(i,o);
 110                                         oldmousepoint=event->pos();
 111                                 }
 112                         }
 113                         i++;
 114                 }
 115                 createParametersNew();
 116         }
 117 }
 118
 119 void ParameterPlotter::mousePressEvent ( QMouseEvent * event ) {
 120         QList<KPlotPoint*> list=   pointsUnderPoint (event->pos()-QPoint(leftPadding(), topPadding() )  ) ;
 121         if (list.size() > 0){
 122                 movepoint=list[0];
 123                 oldmousepoint=event->pos();
 124         }else{
 125                 if (m_newPoints){
 126                         //setup new points
 127                 }
 128                 movepoint=NULL;
 129         }
 130 }
 131
 132 void ParameterPlotter::setMoveX(bool b){
 133         m_moveX=b;
 134 }
 135
 136 void ParameterPlotter::setMoveY(bool b){
 137         m_moveY=b;
 138 }
 139
 140 void ParameterPlotter::setMoveTimeLine(bool b){
 141         m_moveTimeline=b;
 142 }
 143
 144 void ParameterPlotter::setNewPoints(bool b){
 145         m_newPoints=b;
 146 }
 147
 148 bool ParameterPlotter::isMoveX(){
 149         return m_moveX;
 150 }
 151
 152 bool ParameterPlotter::isMoveY(){
 153         return m_moveY;
 154 }
 155
 156 bool ParameterPlotter::isMoveTimeline(){
 157         return m_moveTimeline;
 158 }
 159
 160 bool ParameterPlotter::isNewPoints(){
 161         return m_newPoints;
 162 }