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122 lines
3.3 KiB
122 lines
3.3 KiB
15 years ago
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/* This file is part of the KDE project
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Copyright (C) 1998, 1999 Reginald Stadlbauer <reggie@kde.org>
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Copyright (C) 2002 Nicolas GOUTTE <goutte@kde.org>
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#include "KoPictureFilePreview.h"
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#include "KoPictureFilePreview.moc"
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#include <kdialog.h>
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#include <klocale.h>
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#include <kurl.h>
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#include <qbitmap.h>
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#include <qlayout.h>
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#include <qfileinfo.h>
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#include <qpainter.h>
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#include <qscrollview.h>
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#include <kdebug.h>
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#include <KoPicture.h>
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/**
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* This class implements the actual widget that shows the image.
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* It is a scrollview, to have scrollbars if the image is big,
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* and it supports both pixmaps and cliparts
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*/
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class KoPictureFilePreviewWidget : public QScrollView
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{
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public:
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KoPictureFilePreviewWidget( QWidget *parent )
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: QScrollView( parent ) { viewport()->setBackgroundMode( PaletteBase ); }
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bool setPicture( const KURL& url )
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{
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KoPicture picture;
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if ( url.isLocalFile() )
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{
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if ( !picture.loadFromFile( url.path() ) )
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{
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return false;
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}
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}
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else
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{
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// ### TODO: find a way to avoid to download the file again later
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if ( !picture.setKeyAndDownloadPicture( url, this ) )
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{
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return false;
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}
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}
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m_size = picture.getOriginalSize();
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m_picture = picture;
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resizeContents( m_size.width(), m_size.height() );
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repaintContents();
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return true;
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}
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void setNullPicture(void)
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{
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m_picture=KoPicture();
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m_size=QSize();
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}
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void drawContents( QPainter *p, int, int, int, int )
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{
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p->setBackgroundColor( Qt::white );
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// Be sure that the background is white (for transparency)
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p->fillRect(0, 0, m_size.width(), m_size.height(), QBrush( Qt::white ));
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m_picture.draw( *p, 0 ,0, m_size.width(), m_size.height());
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}
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private:
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KoPicture m_picture;
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QSize m_size;
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};
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KoPictureFilePreview::KoPictureFilePreview( QWidget *parent )
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: KPreviewWidgetBase( parent )
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{
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QVBoxLayout *vb = new QVBoxLayout( this, KDialog::marginHint() );
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m_widget = new KoPictureFilePreviewWidget( this );
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vb->addWidget( m_widget, 1 );
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}
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void KoPictureFilePreview::showPreview( const KURL &u )
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{
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m_widget->setPicture( u );
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}
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void KoPictureFilePreview::clearPreview()
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{
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m_widget->setNullPicture();
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}
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QString KoPictureFilePreview::clipartPattern()
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{
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return i18n( "*.svg *.wmf *.qpic|Clipart (*.svg *.wmf *.qpic)" );
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}
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QStringList KoPictureFilePreview::clipartMimeTypes()
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{
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QStringList lst;
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lst << "image/svg+xml";
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lst << "image/x-wmf";
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lst << "image/x-vnd.trolltech.qpicture";
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return lst;
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}
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