1 /*
2 * wbnewitem.cpp - a class used for representing items on the whiteboard
3 * while they're being drawn.
4 * Copyright (C) 2008 Joonas Govenius
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * as published by the Free Software Foundation; either version 2
9 * of the License, or (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19 *
20 */
21
22 #include "wbnewitem.h"
23 #include "../sxe/sxesession.h"
24
25 #include <QSvgGenerator>
26 #include <QPainter>
27 #include <QStyleOptionGraphicsItem>
28 #include <QBuffer>
29
WbNewItem(QGraphicsScene * s)30 WbNewItem::WbNewItem(QGraphicsScene* s) {
31 scene = s;
32 }
33
~WbNewItem()34 WbNewItem::~WbNewItem() {
35 }
36
serializeToSvg(QDomDocument * doc)37 QDomNode WbNewItem::serializeToSvg(QDomDocument *doc) {
38 if(!graphicsItem()) {
39 return QDomDocumentFragment();
40 }
41
42 // Generate the SVG using QSvgGenerator
43 QBuffer buffer;
44
45 QSvgGenerator generator;
46 generator.setOutputDevice(&buffer);
47
48 QPainter painter;
49 QStyleOptionGraphicsItem options;
50 painter.begin(&generator);
51 graphicsItem()->paint(&painter, &options);
52 painter.end();
53
54 // qDebug("Serialized SVG doc:");
55 // qDebug(buffer.buffer());
56
57 // Parse the children of the new root <svg/> from the buffer to a document fragment
58 // also add an 'id' attribute to each of the children
59 doc->setContent(buffer.buffer());
60 QDomDocumentFragment fragment = doc->createDocumentFragment();
61
62 for(QDomNode n = doc->documentElement().lastChild(); !n.isNull(); n = n.previousSibling()) {
63 // skip <title/>, <desc/>, and <defs/>
64 if(n.isElement() &&
65 !(n.nodeName() == "title"
66 || n.nodeName() == "desc"
67 || n.nodeName() == "defs")) {
68 n.toElement().setAttribute("id", "e" + SxeSession::generateUUID());
69 fragment.insertBefore(n, QDomNode());
70 }
71 }
72
73 return fragment;
74 }
75