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 <QGraphicsSvgItem>
  25 #include <KDebug>
  26 #include <QFile>
  27 #include <KTemporaryFile>
  28 #include <kio/netaccess.h>
  29
  30 TitleDocument::TitleDocument() {
  31     scene = NULL;
  32 }
  33
  34 void TitleDocument::setScene(QGraphicsScene* _scene) {
  35     scene = _scene;
  36 }
  37
  38 bool TitleDocument::saveDocument(const KUrl& url, QGraphicsPolygonItem* startv, QGraphicsPolygonItem* endv) {
  39     QDomDocument doc;
  40
  41     if (!scene)
  42         return false;
  43
  44     QDomElement main = doc.createElement("kdenlivetitle");
  45     doc.appendChild(main);
  46
  47     foreach(QGraphicsItem* item, scene->items()) {
  48         QDomElement e = doc.createElement("item");
  49         QDomElement content = doc.createElement("content");
  50         QFont font;
  51         QGraphicsTextItem *t;
  52
  53         switch (item->type()) {
  54         case 7:
  55             e.setAttribute("type", "QGraphicsPixmapItem");
  56             content.setAttribute("url", item->data(Qt::UserRole).toString());
  57             break;
  58         case 13:
  59             e.setAttribute("type", "QGraphicsSvgItem");
  60             content.setAttribute("url", item->data(Qt::UserRole).toString());
  61             break;
  62         case 3:
  63             e.setAttribute("type", "QGraphicsRectItem");
  64             content.setAttribute("rect", rectFToString(((QGraphicsRectItem*)item)->rect()));
  65             content.setAttribute("pencolor", colorToString(((QGraphicsRectItem*)item)->pen().color()));
  66             content.setAttribute("penwidth", ((QGraphicsRectItem*)item)->pen().width());
  67             content.setAttribute("brushcolor", colorToString(((QGraphicsRectItem*)item)->brush().color()));
  68             break;
  69         case 8:
  70             e.setAttribute("type", "QGraphicsTextItem");
  71             t = static_cast<QGraphicsTextItem *>(item);
  72             //content.appendChild(doc.createTextNode(((QGraphicsTextItem*)item)->toHtml()));
  73             content.appendChild(doc.createTextNode(t->toPlainText()));
  74             font = t->font();
  75             content.setAttribute("font", font.family());
  76             content.setAttribute("font-bold", font.bold());
  77             content.setAttribute("font-size", font.pointSize());
  78             content.setAttribute("font-italic", font.italic());
  79             content.setAttribute("font-underline", font.underline());
  80             content.setAttribute("font-color", colorToString(t->defaultTextColor()));
  81             break;
  82         default:
  83             continue;
  84         }
  85         QDomElement pos = doc.createElement("position");
  86         pos.setAttribute("x", item->pos().x());
  87         pos.setAttribute("y", item->pos().y());
  88         QTransform transform = item->transform();
  89         QDomElement tr = doc.createElement("transform");
  90         tr.appendChild(doc.createTextNode(
  91                            QString("%1,%2,%3,%4,%5,%6,%7,%8,%9").arg(
  92                                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())
  93                        )
  94                       );
  95         e.setAttribute("z-index", item->zValue());
  96         pos.appendChild(tr);
  97
  98
  99         e.appendChild(pos);
 100         e.appendChild(content);
 101         if (item->zValue() > -1100) main.appendChild(e);
 102     }
 103     if (startv && endv) {
 104         QDomElement endp = doc.createElement("endviewport");
 105         QDomElement startp = doc.createElement("startviewport");
 106         endp.setAttribute("x", endv->pos().x());
 107         endp.setAttribute("y", endv->pos().y());
 108         endp.setAttribute("size", endv->sceneBoundingRect().width() / 2);
 109
 110         startp.setAttribute("x", startv->pos().x());
 111         startp.setAttribute("y", startv->pos().y());
 112         startp.setAttribute("size", startv->sceneBoundingRect().width() / 2);
 113
 114         startp.setAttribute("z-index", startv->zValue());
 115         endp.setAttribute("z-index", endv->zValue());
 116         main.appendChild(startp);
 117         main.appendChild(endp);
 118     }
 119     QDomElement backgr = doc.createElement("background");
 120     QList<QGraphicsItem *> items = scene->items();
 121     QColor color(0, 0, 0, 0);
 122     for (int i = 0; i < items.size(); i++) {
 123         if (items.at(i)->zValue() == -1100) {
 124             color = ((QGraphicsRectItem *)items.at(i))->brush().color();
 125             break;
 126         }
 127     }
 128     backgr.setAttribute("color", colorToString(color));
 129     main.appendChild(backgr);
 130
 131     KTemporaryFile tmpfile;
 132     if (!tmpfile.open()) kWarning() << "/////  CANNOT CREATE TMP FILE in: " << tmpfile.fileName();
 133     QFile xmlf(tmpfile.fileName());
 134     xmlf.open(QIODevice::WriteOnly);
 135     xmlf.write(doc.toString().toAscii());
 136     xmlf.close();
 137     kDebug() << KIO::NetAccess::upload(tmpfile.fileName(), url, 0);
 138
 139 }
 140
 141 int TitleDocument::loadDocument(const KUrl& url , QGraphicsPolygonItem* startv, QGraphicsPolygonItem* endv) {
 142     QString tmpfile;
 143     QDomDocument doc;
 144     int maxZValue = 0;
 145     double aspect_ratio = 4.0 / 3.0;
 146     if (!scene)
 147         return -1;
 148
 149     if (KIO::NetAccess::download(url, tmpfile, 0)) {
 150         QFile file(tmpfile);
 151         if (file.open(QIODevice::ReadOnly)) {
 152             doc.setContent(&file, false);
 153             file.close();
 154         } else
 155             return -1;
 156         KIO::NetAccess::removeTempFile(tmpfile);
 157         QDomNodeList titles = doc.elementsByTagName("kdenlivetitle");
 158         if (titles.size()) {
 159
 160             QDomNodeList items = titles.item(0).childNodes();
 161             for (int i = 0;i < items.count();i++) {
 162                 QGraphicsItem *gitem = NULL;
 163                 kDebug() << items.item(i).attributes().namedItem("type").nodeValue();
 164                 int zValue = items.item(i).attributes().namedItem("z-index").nodeValue().toInt();
 165                 if (zValue > -1000)
 166                     if (items.item(i).attributes().namedItem("type").nodeValue() == "QGraphicsTextItem") {
 167                         QFont font(items.item(i).namedItem("content").attributes().namedItem("font").nodeValue());
 168                         font.setBold(items.item(i).namedItem("content").attributes().namedItem("font-bold").nodeValue().toInt());
 169                         font.setItalic(items.item(i).namedItem("content").attributes().namedItem("font-italic").nodeValue().toInt());
 170                         font.setUnderline(items.item(i).namedItem("content").attributes().namedItem("font-underline").nodeValue().toInt());
 171                         font.setPointSize(items.item(i).namedItem("content").attributes().namedItem("font-size").nodeValue().toInt());
 172                         QColor col(stringToColor(items.item(i).namedItem("content").attributes().namedItem("font-color").nodeValue()));
 173                         QGraphicsTextItem *txt = scene->addText(items.item(i).namedItem("content").firstChild().nodeValue(), font);
 174                         txt->setDefaultTextColor(col);
 175                         txt->setTextInteractionFlags(Qt::NoTextInteraction);
 176                         gitem = txt;
 177                     } else
 178                         if (items.item(i).attributes().namedItem("type").nodeValue() == "QGraphicsRectItem") {
 179                             QString rect = items.item(i).namedItem("content").attributes().namedItem("rect").nodeValue();
 180                             QString br_str = items.item(i).namedItem("content").attributes().namedItem("brushcolor").nodeValue();
 181                             QString pen_str = items.item(i).namedItem("content").attributes().namedItem("pencolor").nodeValue();
 182                             double penwidth = items.item(i).namedItem("content").attributes().namedItem("penwidth").nodeValue().toDouble();
 183                             QGraphicsRectItem *rec = scene->addRect(stringToRect(rect), QPen(QBrush(stringToColor(pen_str)), penwidth), QBrush(stringToColor(br_str)));
 184                             gitem = rec;
 185                         } else
 186                             if (items.item(i).attributes().namedItem("type").nodeValue() == "QGraphicsPixmapItem") {
 187                                 QString url = items.item(i).namedItem("content").attributes().namedItem("url").nodeValue();
 188                                 QPixmap pix(url);
 189                                 QGraphicsPixmapItem *rec = scene->addPixmap(pix);
 190                                 rec->setData(Qt::UserRole, url);
 191                                 gitem = rec;
 192                             } else
 193                                 if (items.item(i).attributes().namedItem("type").nodeValue() == "QGraphicsSvgItem") {
 194                                     QString url = items.item(i).namedItem("content").attributes().namedItem("url").nodeValue();
 195                                     QGraphicsSvgItem *rec = new QGraphicsSvgItem(url);
 196                                     scene->addItem(rec);
 197                                     rec->setData(Qt::UserRole, url);
 198                                     gitem = rec;
 199                                 }
 200                 //pos and transform
 201                 if (gitem) {
 202                     QPointF p(items.item(i).namedItem("position").attributes().namedItem("x").nodeValue().toDouble(),
 203                               items.item(i).namedItem("position").attributes().namedItem("y").nodeValue().toDouble());
 204                     gitem->setPos(p);
 205                     gitem->setTransform(stringToTransform(items.item(i).namedItem("position").firstChild().firstChild().nodeValue()));
 206                     int zValue = items.item(i).attributes().namedItem("z-index").nodeValue().toInt();
 207                     if (zValue > maxZValue) maxZValue = zValue;
 208                     gitem->setZValue(zValue);
 209                     gitem->setFlags(QGraphicsItem::ItemIsMovable | QGraphicsItem::ItemIsSelectable);
 210                 }
 211                 if (items.item(i).nodeName() == "background") {
 212                     kDebug() << items.item(i).attributes().namedItem("color").nodeValue();
 213                     QColor color = QColor(stringToColor(items.item(i).attributes().namedItem("color").nodeValue()));
 214                     //color.setAlpha(items.item(i).attributes().namedItem("alpha").nodeValue().toInt());
 215                     QList<QGraphicsItem *> items = scene->items();
 216                     for (int i = 0; i < items.size(); i++) {
 217                         if (items.at(i)->zValue() == -1100) {
 218                             ((QGraphicsRectItem *)items.at(i))->setBrush(QBrush(color));
 219                             break;
 220                         }
 221                     }
 222                 } /*else if (items.item(i).nodeName() == "startviewport" && startv) {
 223                     QPointF p(items.item(i).attributes().namedItem("x").nodeValue().toDouble(), items.item(i).attributes().namedItem("y").nodeValue().toDouble());
 224                     double width = items.item(i).attributes().namedItem("size").nodeValue().toDouble();
 225                     QRectF rect(-width, -width / aspect_ratio, width*2.0, width / aspect_ratio*2.0);
 226                     kDebug() << width << rect;
 227                     startv->setPolygon(rect);
 228                     startv->setPos(p);
 229                 } else if (items.item(i).nodeName() == "endviewport" && endv) {
 230                     QPointF p(items.item(i).attributes().namedItem("x").nodeValue().toDouble(), items.item(i).attributes().namedItem("y").nodeValue().toDouble());
 231                     double width = items.item(i).attributes().namedItem("size").nodeValue().toDouble();
 232                     QRectF rect(-width, -width / aspect_ratio, width*2.0, width / aspect_ratio*2.0);
 233                     kDebug() << width << rect;
 234                     endv->setPolygon(rect);
 235                     endv->setPos(p);
 236                 }*/
 237             }
 238         }
 239     }
 240     return maxZValue;
 241 }
 242
 243 QString TitleDocument::colorToString(const QColor& c) {
 244     QString ret = "%1,%2,%3,%4";
 245     ret = ret.arg(c.red()).arg(c.green()).arg(c.blue()).arg(c.alpha());
 246     return ret;
 247 }
 248
 249 QString TitleDocument::rectFToString(const QRectF& c) {
 250     QString ret = "%1,%2,%3,%4";
 251     ret = ret.arg(c.x()).arg(c.y()).arg(c.width()).arg(c.height());
 252     return ret;
 253 }
 254
 255 QRectF TitleDocument::stringToRect(const QString & s) {
 256
 257     QStringList l = s.split(",");
 258     if (l.size() < 4)
 259         return QRectF();
 260     return QRectF(l[0].toDouble(), l[1].toDouble(), l[2].toDouble(), l[3].toDouble());
 261 }
 262
 263 QColor TitleDocument::stringToColor(const QString & s) {
 264     QStringList l = s.split(",");
 265     if (l.size() < 4)
 266         return QColor();
 267     return QColor(l[0].toInt(), l[1].toInt(), l[2].toInt(), l[3].toInt());;
 268 }
 269 QTransform TitleDocument::stringToTransform(const QString& s) {
 270     QStringList l = s.split(",");
 271     if (l.size() < 9)
 272         return QTransform();
 273     return QTransform(
 274                l[0].toDouble(), l[1].toDouble(), l[2].toDouble(),
 275                l[3].toDouble(), l[4].toDouble(), l[5].toDouble(),
 276                l[6].toDouble(), l[7].toDouble(), l[8].toDouble()
 277            );
 278 }