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 <KTemporaryFile>
  27 #include <kio/netaccess.h>
  28
  29 TitleDocument::TitleDocument() {
  30     scene = NULL;
  31 }
  32
  33 void TitleDocument::setScene(QGraphicsScene* _scene) {
  34     scene = _scene;
  35 }
  36
  37 bool TitleDocument::saveDocument(const KUrl& url, QGraphicsPolygonItem* startv, QGraphicsPolygonItem* endv) {
  38     QDomDocument doc;
  39
  40     if (!scene)
  41         return false;
  42
  43     QDomElement main = doc.createElement("kdenlivetitle");
  44     doc.appendChild(main);
  45
  46     foreach(QGraphicsItem* item, scene->items()) {
  47         QDomElement e = doc.createElement("item");
  48         QDomElement content = doc.createElement("content");
  49         QFont font;
  50         QGraphicsTextItem *t;
  51
  52         switch (item->type()) {
  53         case 3:
  54             e.setAttribute("type", "QGraphicsRectItem");
  55             content.setAttribute("rect", rectFToString(((QGraphicsRectItem*)item)->rect()));
  56             content.setAttribute("pencolor", colorToString(((QGraphicsRectItem*)item)->pen().color()));
  57             content.setAttribute("penwidth", ((QGraphicsRectItem*)item)->pen().width());
  58             content.setAttribute("brushcolor", colorToString(((QGraphicsRectItem*)item)->brush().color()));
  59             break;
  60         case 8:
  61             e.setAttribute("type", "QGraphicsTextItem");
  62             t = static_cast<QGraphicsTextItem *>(item);
  63             //content.appendChild(doc.createTextNode(((QGraphicsTextItem*)item)->toHtml()));
  64             content.appendChild(doc.createTextNode(t->toPlainText()));
  65             font = t->font();
  66             e.setAttribute("font", font.family());
  67             e.setAttribute("font-bold", font.bold());
  68             e.setAttribute("font-size", font.pointSize());
  69             e.setAttribute("font-italic", font.italic());
  70             e.setAttribute("font-underline", font.underline());
  71             e.setAttribute("font-color", colorToString(t->defaultTextColor()));
  72             break;
  73         default:
  74             continue;
  75         }
  76         QDomElement pos = doc.createElement("position");
  77         pos.setAttribute("x", item->pos().x());
  78         pos.setAttribute("y", item->pos().y());
  79         QTransform transform = item->transform();
  80         QDomElement tr = doc.createElement("transform");
  81         tr.appendChild(doc.createTextNode(
  82                            QString("%1,%2,%3,%4,%5,%6,%7,%8,%9").arg(
  83                                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())
  84                        )
  85                       );
  86         e.setAttribute("z-index", item->zValue());
  87         pos.appendChild(tr);
  88
  89
  90         e.appendChild(pos);
  91         e.appendChild(content);
  92         if (item->zValue() > -1100) main.appendChild(e);
  93     }
  94     if (startv && endv) {
  95         QDomElement endp = doc.createElement("endviewport");
  96         QDomElement startp = doc.createElement("startviewport");
  97         endp.setAttribute("x", endv->pos().x());
  98         endp.setAttribute("y", endv->pos().y());
  99         endp.setAttribute("size", endv->sceneBoundingRect().width() / 2);
 100
 101         startp.setAttribute("x", startv->pos().x());
 102         startp.setAttribute("y", startv->pos().y());
 103         startp.setAttribute("size", startv->sceneBoundingRect().width() / 2);
 104
 105         startp.setAttribute("z-index", startv->zValue());
 106         endp.setAttribute("z-index", endv->zValue());
 107         main.appendChild(startp);
 108         main.appendChild(endp);
 109     }
 110     QDomElement backgr = doc.createElement("background");
 111     QList<QGraphicsItem *> items = scene->items();
 112     QColor color(0, 0, 0, 0);
 113     for (int i = 0; i < items.size(); i++) {
 114         if (items.at(i)->zValue() == -1100) {
 115             color = ((QGraphicsRectItem *)items.at(i))->brush().color();
 116             break;
 117         }
 118     }
 119     backgr.setAttribute("color", colorToString(color));
 120     main.appendChild(backgr);
 121
 122     KTemporaryFile tmpfile;
 123     if (!tmpfile.open()) kWarning() << "/////  CANNOT CREATE TMP FILE in: " << tmpfile.fileName();
 124     QFile xmlf(tmpfile.fileName());
 125     xmlf.open(QIODevice::WriteOnly);
 126     xmlf.write(doc.toString().toAscii());
 127     xmlf.close();
 128     kDebug() << KIO::NetAccess::upload(tmpfile.fileName(), url, 0);
 129
 130 }
 131
 132 int TitleDocument::loadDocument(const KUrl& url , QGraphicsPolygonItem* startv, QGraphicsPolygonItem* endv) {
 133     QString tmpfile;
 134     QDomDocument doc;
 135     int maxZValue = 0;
 136     double aspect_ratio = 4.0 / 3.0;
 137     if (!scene)
 138         return -1;
 139
 140     if (KIO::NetAccess::download(url, tmpfile, 0)) {
 141         QFile file(tmpfile);
 142         if (file.open(QIODevice::ReadOnly)) {
 143             doc.setContent(&file, false);
 144             file.close();
 145         } else
 146             return -1;
 147         KIO::NetAccess::removeTempFile(tmpfile);
 148         QDomNodeList titles = doc.elementsByTagName("kdenlivetitle");
 149         if (titles.size()) {
 150
 151             QDomNodeList items = titles.item(0).childNodes();
 152             for (int i = 0;i < items.count();i++) {
 153                 QGraphicsItem *gitem = NULL;
 154                 kDebug() << items.item(i).attributes().namedItem("type").nodeValue();
 155                 int zValue = items.item(i).attributes().namedItem("z-index").nodeValue().toInt();
 156                 if (zValue > -1000)
 157                     if (items.item(i).attributes().namedItem("type").nodeValue() == "QGraphicsTextItem") {
 158                         QFont font(items.item(i).attributes().namedItem("font").nodeValue());
 159                         font.setBold(items.item(i).attributes().namedItem("font-bold").nodeValue().toInt());
 160                         font.setItalic(items.item(i).attributes().namedItem("font-italic").nodeValue().toInt());
 161                         font.setUnderline(items.item(i).attributes().namedItem("font-underline").nodeValue().toInt());
 162                         font.setPointSize(items.item(i).attributes().namedItem("font-size").nodeValue().toInt());
 163                         QColor col(stringToColor(items.item(i).attributes().namedItem("font-color").nodeValue()));
 164                         QGraphicsTextItem *txt = scene->addText(items.item(i).namedItem("content").firstChild().nodeValue(), font);
 165                         txt->setDefaultTextColor(col);
 166                         txt->setTextInteractionFlags(Qt::NoTextInteraction);
 167                         gitem = txt;
 168                     } else
 169                         if (items.item(i).attributes().namedItem("type").nodeValue() == "QGraphicsRectItem") {
 170                             QString rect = items.item(i).namedItem("content").attributes().namedItem("rect").nodeValue();
 171                             QString br_str = items.item(i).namedItem("content").attributes().namedItem("brushcolor").nodeValue();
 172                             QString pen_str = items.item(i).namedItem("content").attributes().namedItem("pencolor").nodeValue();
 173                             double penwidth = items.item(i).namedItem("content").attributes().namedItem("penwidth").nodeValue().toDouble();
 174                             QGraphicsRectItem *rec = scene->addRect(stringToRect(rect), QPen(QBrush(stringToColor(pen_str)), penwidth), QBrush(stringToColor(br_str)));
 175                             gitem = rec;
 176                         }
 177                 //pos and transform
 178                 if (gitem) {
 179                     QPointF p(items.item(i).namedItem("position").attributes().namedItem("x").nodeValue().toDouble(),
 180                               items.item(i).namedItem("position").attributes().namedItem("y").nodeValue().toDouble());
 181                     gitem->setPos(p);
 182                     gitem->setTransform(stringToTransform(items.item(i).namedItem("position").firstChild().firstChild().nodeValue()));
 183                     int zValue = items.item(i).attributes().namedItem("z-index").nodeValue().toInt();
 184                     if (zValue > maxZValue) maxZValue = zValue;
 185                     gitem->setZValue(zValue);
 186                     gitem->setFlags(QGraphicsItem::ItemIsMovable | QGraphicsItem::ItemIsSelectable);
 187                 }
 188                 if (items.item(i).nodeName() == "background") {
 189                     kDebug() << items.item(i).attributes().namedItem("color").nodeValue();
 190                     QColor color = QColor(stringToColor(items.item(i).attributes().namedItem("color").nodeValue()));
 191                     //color.setAlpha(items.item(i).attributes().namedItem("alpha").nodeValue().toInt());
 192                     QList<QGraphicsItem *> items = scene->items();
 193                     for (int i = 0; i < items.size(); i++) {
 194                         if (items.at(i)->zValue() == -1100) {
 195                             ((QGraphicsRectItem *)items.at(i))->setBrush(QBrush(color));
 196                             break;
 197                         }
 198                     }
 199                 } /*else if (items.item(i).nodeName() == "startviewport" && startv) {
 200                     QPointF p(items.item(i).attributes().namedItem("x").nodeValue().toDouble(), items.item(i).attributes().namedItem("y").nodeValue().toDouble());
 201                     double width = items.item(i).attributes().namedItem("size").nodeValue().toDouble();
 202                     QRectF rect(-width, -width / aspect_ratio, width*2.0, width / aspect_ratio*2.0);
 203                     kDebug() << width << rect;
 204                     startv->setPolygon(rect);
 205                     startv->setPos(p);
 206                 } else if (items.item(i).nodeName() == "endviewport" && endv) {
 207                     QPointF p(items.item(i).attributes().namedItem("x").nodeValue().toDouble(), items.item(i).attributes().namedItem("y").nodeValue().toDouble());
 208                     double width = items.item(i).attributes().namedItem("size").nodeValue().toDouble();
 209                     QRectF rect(-width, -width / aspect_ratio, width*2.0, width / aspect_ratio*2.0);
 210                     kDebug() << width << rect;
 211                     endv->setPolygon(rect);
 212                     endv->setPos(p);
 213                 }*/
 214             }
 215         }
 216     }
 217     return maxZValue;
 218 }
 219
 220 QString TitleDocument::colorToString(const QColor& c) {
 221     QString ret = "%1,%2,%3,%4";
 222     ret = ret.arg(c.red()).arg(c.green()).arg(c.blue()).arg(c.alpha());
 223     return ret;
 224 }
 225
 226 QString TitleDocument::rectFToString(const QRectF& c) {
 227     QString ret = "%1,%2,%3,%4";
 228     ret = ret.arg(c.x()).arg(c.y()).arg(c.width()).arg(c.height());
 229     return ret;
 230 }
 231
 232 QRectF TitleDocument::stringToRect(const QString & s) {
 233
 234     QStringList l = s.split(",");
 235     if (l.size() < 4)
 236         return QRectF();
 237     return QRectF(l[0].toDouble(), l[1].toDouble(), l[2].toDouble(), l[3].toDouble());
 238 }
 239
 240 QColor TitleDocument::stringToColor(const QString & s) {
 241     QStringList l = s.split(",");
 242     if (l.size() < 4)
 243         return QColor();
 244     return QColor(l[0].toInt(), l[1].toInt(), l[2].toInt(), l[3].toInt());;
 245 }
 246 QTransform TitleDocument::stringToTransform(const QString& s) {
 247     QStringList l = s.split(",");
 248     if (l.size() < 9)
 249         return QTransform();
 250     return QTransform(
 251                l[0].toDouble(), l[1].toDouble(), l[2].toDouble(),
 252                l[3].toDouble(), l[4].toDouble(), l[5].toDouble(),
 253                l[6].toDouble(), l[7].toDouble(), l[8].toDouble()
 254            );
 255 }