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