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         e.setAttribute("z-index", item->zValue());
  75         pos.appendChild(tr);
  76
  77
  78         e.appendChild(pos);
  79         e.appendChild(content);
  80         main.appendChild(e);
  81     }
  82     if (startv && endv) {
  83         QDomElement endp = doc.createElement("endviewport");
  84         QDomElement startp = doc.createElement("startviewport");
  85         endp.setAttribute("x", endv->pos().x());
  86         endp.setAttribute("y", endv->pos().y());
  87         endp.setAttribute("size", endv->sceneBoundingRect().width() / 2);
  88
  89         startp.setAttribute("x", startv->pos().x());
  90         startp.setAttribute("y", startv->pos().y());
  91         startp.setAttribute("size", startv->sceneBoundingRect().width() / 2);
  92
  93         startp.setAttribute("z-index", startv->zValue());
  94         endp.setAttribute("z-index", endv->zValue());
  95         main.appendChild(startp);
  96         main.appendChild(endp);
  97     }
  98     QDomElement backgr = doc.createElement("background");
  99     backgr.setAttribute("color", colorToString(scene->backgroundBrush().color()));
 100     main.appendChild(backgr);
 101
 102     QString tmpfile = "/tmp/newtitle";
 103     QFile xmlf(tmpfile);
 104     xmlf.open(QIODevice::WriteOnly);
 105     xmlf.write(doc.toString().toAscii());
 106     xmlf.close();
 107     kDebug() << KIO::NetAccess::upload(tmpfile, url, 0);
 108 }
 109
 110 bool TitleDocument::loadDocument(const KUrl& url , QGraphicsPolygonItem* startv, QGraphicsPolygonItem* endv) {
 111     QString tmpfile;
 112     QDomDocument doc;
 113     double aspect_ratio = 4.0 / 3.0;
 114     if (!scene)
 115         return false;
 116
 117     if (KIO::NetAccess::download(url, tmpfile, 0)) {
 118         QFile file(tmpfile);
 119         if (file.open(QIODevice::ReadOnly)) {
 120             doc.setContent(&file, false);
 121             file.close();
 122         } else
 123             return false;
 124         KIO::NetAccess::removeTempFile(tmpfile);
 125         QDomNodeList titles = doc.elementsByTagName("kdenlivetitle");
 126         if (titles.size()) {
 127
 128             QDomNodeList items = titles.item(0).childNodes();
 129             for (int i = 0;i < items.count();i++) {
 130                 QGraphicsItem *gitem = NULL;
 131                 kDebug() << items.item(i).attributes().namedItem("type").nodeValue();
 132                 if (items.item(i).attributes().namedItem("type").nodeValue() == "QGraphicsTextItem") {
 133                     QGraphicsTextItem *txt = scene->addText("");
 134                     txt->setHtml(items.item(i).namedItem("content").firstChild().nodeValue());
 135                     gitem = txt;
 136                 } else
 137                     if (items.item(i).attributes().namedItem("type").nodeValue() == "QGraphicsRectItem") {
 138                         QString rect = items.item(i).namedItem("content").attributes().namedItem("rect").nodeValue();
 139                         QString br_str = items.item(i).namedItem("content").attributes().namedItem("brushcolor").nodeValue();
 140                         QString pen_str = items.item(i).namedItem("content").attributes().namedItem("pencolor").nodeValue();
 141                         double penwidth = items.item(i).namedItem("content").attributes().namedItem("penwidth").nodeValue().toDouble();
 142                         QGraphicsRectItem *rec = scene->addRect(stringToRect(rect), QPen(QBrush(stringToColor(pen_str)), penwidth), QBrush(stringToColor(br_str)));
 143                         gitem = rec;
 144                     }
 145                 //pos and transform
 146                 if (gitem) {
 147                     QPointF p(items.item(i).namedItem("position").attributes().namedItem("x").nodeValue().toDouble(),
 148                               items.item(i).namedItem("position").attributes().namedItem("y").nodeValue().toDouble());
 149                     gitem->setPos(p);
 150                     gitem->setTransform(stringToTransform(items.item(i).namedItem("position").firstChild().firstChild().nodeValue()));
 151                 }
 152                 if (items.item(i).nodeName() == "background") {
 153                     kDebug() << items.item(i).attributes().namedItem("color").nodeValue();
 154                     scene->setBackgroundBrush(QBrush(stringToColor(items.item(i).attributes().namedItem("color").nodeValue())));
 155                 } else if (items.item(i).nodeName() == "startviewport" && startv) {
 156                     QPointF p(items.item(i).attributes().namedItem("x").nodeValue().toDouble(), items.item(i).attributes().namedItem("y").nodeValue().toDouble());
 157                     double width = items.item(i).attributes().namedItem("size").nodeValue().toDouble();
 158                     QRectF rect(-width, -width / aspect_ratio, width*2.0, width / aspect_ratio*2.0);
 159                     kDebug() << width << rect;
 160                     startv->setPolygon(rect);
 161                     startv->setPos(p);
 162                 } else if (items.item(i).nodeName() == "endviewport" && endv) {
 163                     QPointF p(items.item(i).attributes().namedItem("x").nodeValue().toDouble(), items.item(i).attributes().namedItem("y").nodeValue().toDouble());
 164                     double width = items.item(i).attributes().namedItem("size").nodeValue().toDouble();
 165                     QRectF rect(-width, -width / aspect_ratio, width*2.0, width / aspect_ratio*2.0);
 166                     kDebug() << width << rect;
 167                     endv->setPolygon(rect);
 168                     endv->setPos(p);
 169                 }
 170
 171             }
 172
 173
 174         }
 175
 176
 177     }
 178     return true;
 179 }
 180
 181 QString TitleDocument::colorToString(const QColor& c) {
 182     QString ret = "%1,%2,%3,%4";
 183     ret = ret.arg(c.red()).arg(c.green()).arg(c.blue()).arg(c.alpha());
 184     return ret;
 185 }
 186
 187 QString TitleDocument::rectFToString(const QRectF& c) {
 188     QString ret = "%1,%2,%3,%4";
 189     ret = ret.arg(c.x()).arg(c.y()).arg(c.width()).arg(c.height());
 190     return ret;
 191 }
 192
 193 QRectF TitleDocument::stringToRect(const QString & s) {
 194
 195     QStringList l = s.split(",");
 196     if (l.size() < 4)
 197         return QRectF();
 198     return QRectF(l[0].toDouble(), l[1].toDouble(), l[2].toDouble(), l[3].toDouble());
 199 }
 200
 201 QColor TitleDocument::stringToColor(const QString & s) {
 202     QStringList l = s.split(",");
 203     if (l.size() < 4)
 204         return QColor();
 205     return QColor(l[0].toInt(), l[1].toInt(), l[2].toInt(), l[3].toInt());;
 206 }
 207 QTransform TitleDocument::stringToTransform(const QString& s) {
 208     QStringList l = s.split(",");
 209     if (l.size() < 9)
 210         return QTransform();
 211     return QTransform(
 212                l[0].toDouble(), l[1].toDouble(), l[2].toDouble(),
 213                l[3].toDouble(), l[4].toDouble(), l[5].toDouble(),
 214                l[6].toDouble(), l[7].toDouble(), l[8].toDouble()
 215            );
 216 }