1 | /* This file is part of the KDE project |
2 | Copyright (C) 2004 Esben Mose Hansen <kde@mosehansen.dk> |
3 | |
4 | This program is free software; you can redistribute it and/or |
5 | modify it under the terms of the GNU General Public |
6 | License as published by the Free Software Foundation; either |
7 | version 2 of the License, or (at your option) any later version. |
8 | |
9 | This program is distributed in the hope that it will be useful, |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
12 | General Public License for more details. |
13 | |
14 | You should have received a copy of the GNU General Public License |
15 | along with this program; see the file COPYING. If not, write to |
16 | the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
17 | Boston, MA 02110-1301, USA. |
18 | */ |
19 | #include "historyimageitem.h" |
20 | |
21 | #include <QtCore/QMimeData> |
22 | #include <QtCore/QCryptographicHash> |
23 | |
24 | #include <KDebug> |
25 | |
26 | namespace { |
27 | QByteArray compute_uuid(const QPixmap& data) { |
28 | QByteArray buffer; |
29 | QDataStream out(&buffer, QIODevice::WriteOnly); |
30 | out << data; |
31 | return QCryptographicHash::hash(buffer, QCryptographicHash::Sha1); |
32 | } |
33 | |
34 | } |
35 | |
36 | HistoryImageItem::HistoryImageItem( const QPixmap& data ) |
37 | : HistoryItem(compute_uuid(data)) |
38 | , m_data( data ) |
39 | { |
40 | } |
41 | |
42 | QString HistoryImageItem::text() const { |
43 | if ( m_text.isNull() ) { |
44 | m_text = QString( "%1x%2x%3 %4" ) |
45 | .arg( m_data.width() ) |
46 | .arg( m_data.height() ) |
47 | .arg( m_data.depth() ); |
48 | } |
49 | return m_text; |
50 | |
51 | } |
52 | |
53 | /* virtual */ |
54 | void HistoryImageItem::write( QDataStream& stream ) const { |
55 | stream << QString( "image" ) << m_data; |
56 | } |
57 | |
58 | QMimeData* HistoryImageItem::mimeData() const |
59 | { |
60 | QMimeData *data = new QMimeData(); |
61 | data->setImageData(m_data.toImage()); |
62 | return data; |
63 | } |
64 | |
65 | |