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 <QDomElement>
  20 #include <QGraphicsItem>
  21 #include <QGraphicsRectItem>
  22 #include <QGraphicsTextItem>
  23 #include <QGraphicsSvgItem>
  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 QDomDocument TitleDocument::xml(QGraphicsPolygonItem* startv, QGraphicsPolygonItem* endv) {
  38     QDomDocument doc;
  39
  40     QDomElement main = doc.createElement("kdenlivetitle");
  41     doc.appendChild(main);
  42
  43     foreach(QGraphicsItem* item, scene->items()) {
  44         QDomElement e = doc.createElement("item");
  45         QDomElement content = doc.createElement("content");
  46         QFont font;
  47         QGraphicsTextItem *t;
  48
  49         switch (item->type()) {
  50         case 7:
  51             e.setAttribute("type", "QGraphicsPixmapItem");
  52             content.setAttribute("url", item->data(Qt::UserRole).toString());
  53             break;
  54         case 13:
  55             e.setAttribute("type", "QGraphicsSvgItem");
  56             content.setAttribute("url", item->data(Qt::UserRole).toString());
  57             break;
  58         case 3:
  59             e.setAttribute("type", "QGraphicsRectItem");
  60             content.setAttribute("rect", rectFToString(((QGraphicsRectItem*)item)->rect()));
  61             content.setAttribute("pencolor", colorToString(((QGraphicsRectItem*)item)->pen().color()));
  62             content.setAttribute("penwidth", ((QGraphicsRectItem*)item)->pen().width());
  63             content.setAttribute("brushcolor", colorToString(((QGraphicsRectItem*)item)->brush().color()));
  64             break;
  65         case 8:
  66             e.setAttribute("type", "QGraphicsTextItem");
  67             t = static_cast<QGraphicsTextItem *>(item);
  68             //content.appendChild(doc.createTextNode(((QGraphicsTextItem*)item)->toHtml()));
  69             content.appendChild(doc.createTextNode(t->toPlainText()));
  70             font = t->font();
  71             content.setAttribute("font", font.family());
  72             content.setAttribute("font-bold", font.bold());
  73             content.setAttribute("font-size", font.pointSize());
  74             content.setAttribute("font-italic", font.italic());
  75             content.setAttribute("font-underline", font.underline());
  76             content.setAttribute("font-color", colorToString(t->defaultTextColor()));
  77             break;
  78         default:
  79             continue;
  80         }
  81         QDomElement pos = doc.createElement("position");
  82         pos.setAttribute("x", item->pos().x());
  83         pos.setAttribute("y", item->pos().y());
  84         QTransform transform = item->transform();
  85         QDomElement tr = doc.createElement("transform");
  86         tr.appendChild(doc.createTextNode(
  87                            QString("%1,%2,%3,%4,%5,%6,%7,%8,%9").arg(
  88                                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())
  89                        )
  90                       );
  91         e.setAttribute("z-index", item->zValue());
  92         pos.appendChild(tr);
  93
  94
  95         e.appendChild(pos);
  96         e.appendChild(content);
  97         if (item->zValue() > -1100) main.appendChild(e);
  98     }
  99     if (startv && endv) {
 100         QDomElement endp = doc.createElement("endviewport");
 101         QDomElement startp = doc.createElement("startviewport");
 102         endp.setAttribute("x", endv->pos().x());
 103         endp.setAttribute("y", endv->pos().y());
 104         endp.setAttribute("size", endv->sceneBoundingRect().width() / 2);
 105
 106         startp.setAttribute("x", startv->pos().x());
 107         startp.setAttribute("y", startv->pos().y());
 108         startp.setAttribute("size", startv->sceneBoundingRect().width() / 2);
 109
 110         startp.setAttribute("z-index", startv->zValue());
 111         endp.setAttribute("z-index", endv->zValue());
 112         main.appendChild(startp);
 113         main.appendChild(endp);
 114     }
 115     QDomElement backgr = doc.createElement("background");
 116     QColor color = getBackgroundColor();
 117     backgr.setAttribute("color", colorToString(color));
 118     main.appendChild(backgr);
 119
 120     return doc;
 121 }
 122
 123 /** \brief Get the background color (incl. alpha) from the document, if possibly
 124   * \returns The background color of the document, inclusive alpha. If none found, returns (0,0,0,0) */
 125 QColor TitleDocument::getBackgroundColor() {
 126     QColor color(0, 0, 0, 0);
 127     if (scene) {
 128         QList<QGraphicsItem *> items = scene->items();
 129         for (int i = 0; i < items.size(); i++) {
 130             if (items.at(i)->zValue() == -1100) {
 131                 color = ((QGraphicsRectItem *)items.at(i))->brush().color();
 132                 return color;
 133             }
 134         }
 135     }
 136     return color;
 137 }
 138
 139
 140 bool TitleDocument::saveDocument(const KUrl& url, QGraphicsPolygonItem* startv, QGraphicsPolygonItem* endv) {
 141     if (!scene)
 142         return false;
 143
 144     QDomDocument doc = xml(startv, endv);
 145     KTemporaryFile tmpfile;
 146     if (!tmpfile.open()) kWarning() << "/////  CANNOT CREATE TMP FILE in: " << tmpfile.fileName();
 147     QFile xmlf(tmpfile.fileName());
 148     xmlf.open(QIODevice::WriteOnly);
 149     xmlf.write(doc.toString().toUtf8());
 150     xmlf.close();
 151     kDebug() << KIO::NetAccess::upload(tmpfile.fileName(), url, 0);
 152     return true;
 153 }
 154
 155 int TitleDocument::loadDocument(const KUrl& url, QGraphicsPolygonItem* startv, QGraphicsPolygonItem* endv) {
 156     QString tmpfile;
 157     QDomDocument doc;
 158     double aspect_ratio = 4.0 / 3.0;
 159     if (!scene)
 160         return -1;
 161
 162     if (KIO::NetAccess::download(url, tmpfile, 0)) {
 163         QFile file(tmpfile);
 164         if (file.open(QIODevice::ReadOnly)) {
 165             doc.setContent(&file, false);
 166             file.close();
 167         } else
 168             return -1;
 169         KIO::NetAccess::removeTempFile(tmpfile);
 170         return loadFromXml(doc, startv, endv);
 171     }
 172     return -1;
 173 }
 174
 175 int TitleDocument::loadFromXml(QDomDocument doc, QGraphicsPolygonItem* startv, QGraphicsPolygonItem* endv) {
 176     QDomNodeList titles = doc.elementsByTagName("kdenlivetitle");
 177     int maxZValue = 0;
 178     if (titles.size()) {
 179
 180         QDomNodeList items = titles.item(0).childNodes();
 181         for (int i = 0;i < items.count();i++) {
 182             QGraphicsItem *gitem = NULL;
 183             kDebug() << items.item(i).attributes().namedItem("type").nodeValue();
 184             int zValue = items.item(i).attributes().namedItem("z-index").nodeValue().toInt();
 185             if (zValue > -1000)
 186                 if (items.item(i).attributes().namedItem("type").nodeValue() == "QGraphicsTextItem") {
 187                     QFont font(items.item(i).namedItem("content").attributes().namedItem("font").nodeValue());
 188                     font.setBold(items.item(i).namedItem("content").attributes().namedItem("font-bold").nodeValue().toInt());
 189                     font.setItalic(items.item(i).namedItem("content").attributes().namedItem("font-italic").nodeValue().toInt());
 190                     font.setUnderline(items.item(i).namedItem("content").attributes().namedItem("font-underline").nodeValue().toInt());
 191                     font.setPointSize(items.item(i).namedItem("content").attributes().namedItem("font-size").nodeValue().toInt());
 192                     QColor col(stringToColor(items.item(i).namedItem("content").attributes().namedItem("font-color").nodeValue()));
 193                     QGraphicsTextItem *txt = scene->addText(items.item(i).namedItem("content").firstChild().nodeValue(), font);
 194                     txt->setDefaultTextColor(col);
 195                     txt->setTextInteractionFlags(Qt::NoTextInteraction);
 196                     gitem = txt;
 197                 } else
 198                     if (items.item(i).attributes().namedItem("type").nodeValue() == "QGraphicsRectItem") {
 199                         QString rect = items.item(i).namedItem("content").attributes().namedItem("rect").nodeValue();
 200                         QString br_str = items.item(i).namedItem("content").attributes().namedItem("brushcolor").nodeValue();
 201                         QString pen_str = items.item(i).namedItem("content").attributes().namedItem("pencolor").nodeValue();
 202                         double penwidth = items.item(i).namedItem("content").attributes().namedItem("penwidth").nodeValue().toDouble();
 203                         QGraphicsRectItem *rec = scene->addRect(stringToRect(rect), QPen(QBrush(stringToColor(pen_str)), penwidth), QBrush(stringToColor(br_str)));
 204                         gitem = rec;
 205                     } else
 206                         if (items.item(i).attributes().namedItem("type").nodeValue() == "QGraphicsPixmapItem") {
 207                             QString url = items.item(i).namedItem("content").attributes().namedItem("url").nodeValue();
 208                             QPixmap pix(url);
 209                             QGraphicsPixmapItem *rec = scene->addPixmap(pix);
 210                             rec->setData(Qt::UserRole, url);
 211                             gitem = rec;
 212                         } else
 213                             if (items.item(i).attributes().namedItem("type").nodeValue() == "QGraphicsSvgItem") {
 214                                 QString url = items.item(i).namedItem("content").attributes().namedItem("url").nodeValue();
 215                                 QGraphicsSvgItem *rec = new QGraphicsSvgItem(url);
 216                                 scene->addItem(rec);
 217                                 rec->setData(Qt::UserRole, url);
 218                                 gitem = rec;
 219                             }
 220             //pos and transform
 221             if (gitem) {
 222                 QPointF p(items.item(i).namedItem("position").attributes().namedItem("x").nodeValue().toDouble(),
 223                           items.item(i).namedItem("position").attributes().namedItem("y").nodeValue().toDouble());
 224                 gitem->setPos(p);
 225                 gitem->setTransform(stringToTransform(items.item(i).namedItem("position").firstChild().firstChild().nodeValue()));
 226                 int zValue = items.item(i).attributes().namedItem("z-index").nodeValue().toInt();
 227                 if (zValue > maxZValue) maxZValue = zValue;
 228                 gitem->setZValue(zValue);
 229                 gitem->setFlags(QGraphicsItem::ItemIsMovable | QGraphicsItem::ItemIsSelectable);
 230             }
 231             if (items.item(i).nodeName() == "background") {
 232                 kDebug() << items.item(i).attributes().namedItem("color").nodeValue();
 233                 QColor color = QColor(stringToColor(items.item(i).attributes().namedItem("color").nodeValue()));
 234                 //color.setAlpha(items.item(i).attributes().namedItem("alpha").nodeValue().toInt());
 235                 QList<QGraphicsItem *> items = scene->items();
 236                 for (int i = 0; i < items.size(); i++) {
 237                     if (items.at(i)->zValue() == -1100) {
 238                         ((QGraphicsRectItem *)items.at(i))->setBrush(QBrush(color));
 239                         break;
 240                     }
 241                 }
 242             } /*else if (items.item(i).nodeName() == "startviewport" && startv) {
 243                     QPointF p(items.item(i).attributes().namedItem("x").nodeValue().toDouble(), items.item(i).attributes().namedItem("y").nodeValue().toDouble());
 244                     double width = items.item(i).attributes().namedItem("size").nodeValue().toDouble();
 245                     QRectF rect(-width, -width / aspect_ratio, width*2.0, width / aspect_ratio*2.0);
 246                     kDebug() << width << rect;
 247                     startv->setPolygon(rect);
 248                     startv->setPos(p);
 249                 } else if (items.item(i).nodeName() == "endviewport" && endv) {
 250                     QPointF p(items.item(i).attributes().namedItem("x").nodeValue().toDouble(), items.item(i).attributes().namedItem("y").nodeValue().toDouble());
 251                     double width = items.item(i).attributes().namedItem("size").nodeValue().toDouble();
 252                     QRectF rect(-width, -width / aspect_ratio, width*2.0, width / aspect_ratio*2.0);
 253                     kDebug() << width << rect;
 254                     endv->setPolygon(rect);
 255                     endv->setPos(p);
 256                 }*/
 257         }
 258     }
 259     return maxZValue;
 260 }
 261
 262 QString TitleDocument::colorToString(const QColor& c) {
 263     QString ret = "%1,%2,%3,%4";
 264     ret = ret.arg(c.red()).arg(c.green()).arg(c.blue()).arg(c.alpha());
 265     return ret;
 266 }
 267
 268 QString TitleDocument::rectFToString(const QRectF& c) {
 269     QString ret = "%1,%2,%3,%4";
 270     ret = ret.arg(c.x()).arg(c.y()).arg(c.width()).arg(c.height());
 271     return ret;
 272 }
 273
 274 QRectF TitleDocument::stringToRect(const QString & s) {
 275
 276     QStringList l = s.split(',');
 277     if (l.size() < 4)
 278         return QRectF();
 279     return QRectF(l[0].toDouble(), l[1].toDouble(), l[2].toDouble(), l[3].toDouble());
 280 }
 281
 282 QColor TitleDocument::stringToColor(const QString & s) {
 283     QStringList l = s.split(',');
 284     if (l.size() < 4)
 285         return QColor();
 286     return QColor(l[0].toInt(), l[1].toInt(), l[2].toInt(), l[3].toInt());;
 287 }
 288 QTransform TitleDocument::stringToTransform(const QString& s) {
 289     QStringList l = s.split(',');
 290     if (l.size() < 9)
 291         return QTransform();
 292     return QTransform(
 293                l[0].toDouble(), l[1].toDouble(), l[2].toDouble(),
 294                l[3].toDouble(), l[4].toDouble(), l[5].toDouble(),
 295                l[6].toDouble(), l[7].toDouble(), l[8].toDouble()
 296            );
 297 }