runtime/renamedlgplugins/images/imagevisualizer.cpp

   1 /* This file is part of the KDE project
   2    Copyright (C) 2002 Holger Freyther <freyther@kde.org>
   3                  2003 Carsten Pfeiffer <pfeiffer@kde.org>
   4
   5    This program is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU General Public
   7    License as published by the Free Software Foundation; version 2
   8    of the License.
   9
  10    This program is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13     General Public License for more details.
  14
  15    You should have received a copy of the GNU General Public License
  16    along with this program; see the file COPYING.  If not, write to
  17    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  18    Boston, MA 02110-1301, USA.
  19 */
  20
  21 #include <klocale.h>
  22 #include <kurl.h>
  23 #include <kurllabel.h>
  24
  25 #include <qlabel.h>
  26 #include <qpixmap.h>
  27 #include <qimage.h>
  28
  29 #include <kio/netaccess.h>
  30 #include <kvbox.h>
  31
  32 #include "imagevisualizer.h"
  33
  34 ImageVisualizer::ImageVisualizer( QWidget *parent, const KUrl &url )
  35   : KVBox( parent )
  36 {
  37   pic = 0;
  38   description = 0;
  39   setSpacing( 0 );
  40   if( url.isValid() && url.isLocalFile() ) {
  41     pic = new QLabel(this );
  42     description = new QLabel( this );
  43     loadImage( url.path() );
  44   } else if( !url.isLocalFile() ) {
  45     KUrlLabel *label = new KUrlLabel( this );
  46     label->setText(i18n("This picture is not stored\non the local host.\nClick on this label to load it.\n" ) );
  47     label->setUrl( url.prettyUrl() );
  48     connect(label, SIGNAL(leftClickedUrl(const QString&)), SLOT(downloadImage(const QString&)));
  49     pic = label;
  50     description = new QLabel(this);
  51     description->adjustSize( );
  52   } else {
  53     description = new QLabel(this );
  54     description->setText(i18n("Unable to load image") );
  55   }
  56 }
  57
  58 void ImageVisualizer::loadImage( const QString& path )
  59 {
  60   QPixmap pix(path);
  61   QPixmap pixmap(pix.scaled(180, 200, Qt::KeepAspectRatio, Qt::SmoothTransformation) );
  62   pic->setText( QString() );
  63   pic->setPixmap(pixmap );
  64   pic->adjustSize();
  65
  66   QString desc;
  67   desc.append(i18nc("The color depth of an image", "Depth: %1\n", pix.depth() ));
  68   desc.append(i18nc("The dimensions of an image", "Dimensions: %1x%2", pix.width(), pix.height() ));
  69   description->setText(desc );
  70   description->adjustSize();
  71 }
  72
  73 void ImageVisualizer::downloadImage(const QString& url)
  74 {
  75   QString tmpFile;
  76   if( KIO::NetAccess::download( KUrl( url ), tmpFile, window()) )
  77   {
  78     loadImage( tmpFile );
  79     KIO::NetAccess::removeTempFile( tmpFile );
  80   }
  81 }
  82
  83 #include "imagevisualizer.moc"