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

   1 /***************************************************************************
   2                           titledocument.h  -  description
   3                              -------------------
   4     begin                : Feb 28 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 #include "titledocument.h"
  18 #include <QGraphicsScene>
  19 #include <QDomDocument>
  20 #include <QDomElement>
  21 #include <QGraphicsItem>
  22 #include <QGraphicsRectItem>
  23 #include <QGraphicsTextItem>
  24 #include <KDebug>
  25 #include <QFile>
  26 #include <kio/netaccess.h>
  27
  28 TitleDocument::TitleDocument(){
  29         scene=NULL;
  30 }
  31
  32 void TitleDocument::setScene(QGraphicsScene* _scene){
  33         scene=_scene;
  34 }
  35
  36 bool TitleDocument::saveDocument(const KUrl& url,QGraphicsPolygonItem* startv, QGraphicsPolygonItem* endv){
  37         QDomDocument doc;
  38
  39         if (!scene)
  40                 return false;
  41
  42         QDomElement main=doc.createElement("kdenlivetitle");
  43         doc.appendChild(main);
  44
  45         foreach(QGraphicsItem* item, scene->items()){
  46                 QDomElement e=doc.createElement("item");
  47                 QDomElement content=doc.createElement("content");
  48
  49                 switch (item->type()){
  50                         case 3:
  51                                 e.setAttribute("type","QGraphicsRectItem");
  52                                 content.setAttribute("rect",rectFToString(((QGraphicsRectItem*)item)->rect() ));
  53                                 content.setAttribute("pencolor",colorToString(((QGraphicsRectItem*)item)->pen().color()) );
  54                                 content.setAttribute("penwidth",((QGraphicsRectItem*)item)->pen().width() );
  55                                 content.setAttribute("brushcolor",colorToString(((QGraphicsRectItem*)item)->brush().color()) );
  56                                 break;
  57                         case 8:
  58                                 e.setAttribute("type","QGraphicsTextItem");
  59                                 content.appendChild(doc.createTextNode( ((QGraphicsTextItem*)item)->toHtml() ) );
  60                                 break;
  61                         default:
  62                                 continue;
  63                 }
  64                 QDomElement pos=doc.createElement("position");
  65                 pos.setAttribute("x",item->pos().x());
  66                 pos.setAttribute("y",item->pos().y());
  67                 QTransform transform=item->transform();
  68                 QDomElement tr=doc.createElement("transform");
  69                 tr.appendChild(doc.createTextNode(
  70                   QString("%1,%2,%3,%4,%5,%6,%7,%8,%9").arg(
  71                     transform.m11()).arg(transform.m12()).arg(transform.m13()).arg(transform.m21()).arg(transform.m22()).arg(transform.m23()).arg(transform.m31()).arg(transform.m32()).arg(transform.m33())
  72                   )
  73                 );
  74                 pos.appendChild(tr);
  75
  76
  77                 e.appendChild(pos);
  78                 e.appendChild(content);
  79                 main.appendChild(e);
  80         }
  81         if (startv && endv){
  82                 QDomElement endp=doc.createElement("endviewport");
  83                 QDomElement startp=doc.createElement("startviewport");
  84                 endp.setAttribute("x",endv->pos().x());
  85                 endp.setAttribute("y",endv->pos().y());
  86                 endp.setAttribute("size",endv->sceneBoundingRect().width()/2);
  87
  88                 startp.setAttribute("x",startv->pos().x());
  89                 startp.setAttribute("y",startv->pos().y());
  90                 startp.setAttribute("size",startv->sceneBoundingRect().width()/2);
  91
  92                 main.appendChild(startp);
  93                 main.appendChild(endp);
  94         }
  95         QDomElement backgr=doc.createElement("background");
  96         backgr.setAttribute("color",colorToString(scene->backgroundBrush().color()));
  97         main.appendChild(backgr);
  98
  99         QString tmpfile="/tmp/newtitle";
 100         QFile xmlf(tmpfile);
 101         xmlf.open(QIODevice::WriteOnly);
 102         xmlf.write(doc.toString().toAscii());
 103         xmlf.close();
 104         kDebug() << KIO::NetAccess::upload(tmpfile,url,0);
 105 }
 106
 107 bool TitleDocument::loadDocument(const KUrl& url ,QGraphicsPolygonItem* startv, QGraphicsPolygonItem* endv) {
 108         QString tmpfile;
 109         QDomDocument doc;
 110         double aspect_ratio=4.0/3.0;
 111         if (!scene)
 112                 return false;
 113
 114         if (KIO::NetAccess::download(url, tmpfile, 0)) {
 115                 QFile file(tmpfile);
 116                 if (file.open(QIODevice::ReadOnly)) {
 117                         doc.setContent(&file, false);
 118                         file.close();
 119                 }else
 120                         return false;
 121                 KIO::NetAccess::removeTempFile(tmpfile);
 122                 QDomNodeList titles=doc.elementsByTagName("kdenlivetitle");
 123                 if (titles.size()){
 124
 125                         QDomNodeList items=titles.item(0).childNodes();
 126                         for(int i=0;i<items.count();i++){
 127                                 QGraphicsItem *gitem=NULL;
 128                                 kDebug() << items.item(i).attributes().namedItem("type").nodeValue();
 129                                 if (items.item(i).attributes().namedItem("type").nodeValue()=="QGraphicsTextItem"){
 130                                         QGraphicsTextItem *txt=scene->addText("");
 131                                         txt->setHtml(items.item(i).namedItem("content").firstChild().nodeValue());
 132                                         gitem=txt;
 133                                 }else
 134                                 if (items.item(i).attributes().namedItem("type").nodeValue()=="QGraphicsRectItem"){
 135                                         QString rect=items.item(i).namedItem("content").attributes().namedItem("rect").nodeValue();
 136                                         QString br_str=items.item(i).namedItem("content").attributes().namedItem("brushcolor").nodeValue();
 137                                         QString pen_str=items.item(i).namedItem("content").attributes().namedItem("pencolor").nodeValue();
 138                                         double penwidth=items.item(i).namedItem("content").attributes().namedItem("penwidth").nodeValue().toDouble();
 139                                         QGraphicsRectItem *rec=scene->addRect(stringToRect(rect),QPen(QBrush(stringToColor(pen_str)),penwidth),QBrush(stringToColor(br_str) ) );
 140                                         gitem=rec;
 141                                 }
 142                                 //pos and transform
 143                                 if (gitem ){
 144                                         QPointF p(items.item(i).namedItem("position").attributes().namedItem("x").nodeValue().toDouble(),
 145                                                 items.item(i).namedItem("position").attributes().namedItem("y").nodeValue().toDouble());
 146                                         gitem->setPos(p);
 147                                         gitem->setTransform(stringToTransform(items.item(i).namedItem("position").firstChild().firstChild().nodeValue()));
 148                                 }
 149                                 if (items.item(i).nodeName()=="background"){
 150                                         kDebug() << items.item(i).attributes().namedItem("color").nodeValue();
 151                                         scene->setBackgroundBrush(QBrush(stringToColor(items.item(i).attributes().namedItem("color").nodeValue())));
 152                                 }else   if (items.item(i).nodeName()=="startviewport" && startv){
 153                                         QPointF p(items.item(i).attributes().namedItem("x").nodeValue().toDouble(),items.item(i).attributes().namedItem("y").nodeValue().toDouble());
 154                                         double width=items.item(i).attributes().namedItem("size").nodeValue().toDouble();
 155                                         QRectF rect(-width,-width/aspect_ratio,width*2.0,width/aspect_ratio*2.0);
 156                                         kDebug() << width << rect;
 157                                         startv->setPolygon(rect);
 158                                         startv->setPos(p);
 159                                 }else   if (items.item(i).nodeName()=="endviewport" && endv){
 160                                         QPointF p(items.item(i).attributes().namedItem("x").nodeValue().toDouble(),items.item(i).attributes().namedItem("y").nodeValue().toDouble());
 161                                         double width=items.item(i).attributes().namedItem("size").nodeValue().toDouble();
 162                                         QRectF rect(-width,-width/aspect_ratio,width*2.0,width/aspect_ratio*2.0);
 163                                         kDebug() << width << rect;
 164                                         endv->setPolygon(rect);
 165                                         endv->setPos(p);
 166                                 }
 167
 168                         }
 169
 170
 171                 }
 172
 173
 174         }
 175         return true;
 176 }
 177
 178 QString TitleDocument::colorToString(const QColor& c){
 179         QString ret="%1,%2,%3,%4";
 180         ret=ret.arg(c.red()).arg(c.green()).arg(c.blue()).arg(c.alpha());
 181         return ret;
 182 }
 183
 184 QString TitleDocument::rectFToString(const QRectF& c){
 185         QString ret="%1,%2,%3,%4";
 186         ret=ret.arg(c.x()).arg(c.y()).arg(c.width()).arg(c.height());
 187         return ret;
 188 }
 189
 190 QRectF TitleDocument::stringToRect(const QString & s){
 191
 192         QStringList l=s.split(",");
 193         if (l.size()<4)
 194                 return QRectF();
 195         return QRectF(l[0].toDouble(),l[1].toDouble(),l[2].toDouble(),l[3].toDouble());
 196 }
 197
 198 QColor TitleDocument::stringToColor(const QString & s){
 199         QStringList l=s.split(",");
 200         if (l.size()<4)
 201                 return QColor();
 202         return QColor(l[0].toInt(),l[1].toInt(),l[2].toInt(),l[3].toInt());;
 203 }
 204 QTransform TitleDocument::stringToTransform(const QString& s){
 205         QStringList l=s.split(",");
 206         if (l.size()<9)
 207                 return QTransform();
 208         return QTransform(
 209                 l[0].toDouble(),l[1].toDouble(),l[2].toDouble(),
 210                 l[3].toDouble(),l[4].toDouble(),l[5].toDouble(),
 211                 l[6].toDouble(),l[7].toDouble(),l[8].toDouble()
 212                 );
 213 }