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         plot=new KPlotObject();
  33         plot->setShowLines(true);
  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 maxy=0;
  40         while (nameit.hasNext() ){
  41
  42                 QPair<QString, QMap< int , QVariant > > item=nameit.next();
  43                 QString name(item.first);
  44                 QMapIterator <int,QVariant> pointit=item.second;
  45                 while (pointit.hasNext()){
  46                         pointit.next();
  47                         plot->addPoint(QPointF(pointit.key(),pointit.value().toDouble()),"",1);
  48                         if (pointit.value().toInt() >maxy)
  49                                 maxy=pointit.value().toInt();
  50                 }
  51                 addPlotObject(plot);
  52         }
  53
  54         setLimits(0,endframe,0,maxy);
  55
  56 }
  57
  58 QList< QPair<QString, QMap<int,QVariant> > > ParameterPlotter::getPointLists(){
  59         return pointlists;
  60 }
  61
  62 void ParameterPlotter::mouseMoveEvent ( QMouseEvent * event ) {
  63
  64         if (movepoint!=NULL){
  65                 QList<KPlotPoint*> list=   pointsUnderPoint (event->pos()-QPoint(leftPadding(), topPadding() )  ) ;
  66                 int i=0,j=-1;
  67                 foreach (KPlotObject *o, plotObjects() ){
  68                         foreach (KPlotPoint* p, o->points()){
  69                                 if (p==movepoint){
  70                                         QPoint delta=event->pos()-oldmousepoint;
  71                                         movepoint->setY(movepoint->y()-delta.y()*dataRect().height()/pixRect().height() );
  72
  73                                         movepoint->setX(movepoint->x()+delta.x()*dataRect().width()/pixRect().width() );
  74                                         replacePlotObject(i,o);
  75                                         oldmousepoint=event->pos();
  76                                 }
  77                         }
  78                         i++;
  79                 }
  80         }
  81 }
  82
  83 void ParameterPlotter::mousePressEvent ( QMouseEvent * event ) {
  84         QList<KPlotPoint*> list=   pointsUnderPoint (event->pos()-QPoint(leftPadding(), topPadding() )  ) ;
  85         if (list.size() > 0){
  86                 movepoint=list[0];
  87                 oldmousepoint=event->pos();
  88         }else
  89                 movepoint=NULL;
  90 }