ImportExport/MiniViewer.cpp

   1 /* Copyright (C) 2003-2006 Jesper K. Pedersen <blackie@kde.org>
   2
   3    This program is free software; you can redistribute it and/or
   4    modify it under the terms of the GNU General Public
   5    License as published by the Free Software Foundation; either
   6    version 2 of the License, or (at your option) any later version.
   7
   8    This program is distributed in the hope that it will be useful,
   9    but WITHOUT ANY WARRANTY; without even the implied warranty of
  10    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  11    General Public License for more details.
  12
  13    You should have received a copy of the GNU General Public License
  14    along with this program; see the file COPYING.  If not, write to
  15    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  16    Boston, MA 02110-1301, USA.
  17 */
  18
  19 #include "MiniViewer.h"
  20 #include <qpushbutton.h>
  21 #include <klocale.h>
  22 #include <qlabel.h>
  23 #include <qlayout.h>
  24 #include <qimage.h>
  25 #include "DB/ImageInfo.h"
  26 #include <qmatrix.h>
  27
  28 using namespace ImportExport;
  29
  30 MiniViewer* MiniViewer::_instance = 0;
  31
  32 void MiniViewer::show( QImage img, DB::ImageInfoPtr info, QWidget* parent )
  33 {
  34     if ( !_instance )
  35         _instance = new MiniViewer( parent );
  36
  37     if ( info->angle() != 0 ) {
  38         QMatrix matrix;
  39         matrix.rotate( info->angle() );
  40         img = img.transformed( matrix );
  41     }
  42     if ( img.width() > 800 || img.height() > 600 )
  43         img = img.scaled( 800, 600, Qt::KeepAspectRatio );
  44
  45     _instance->_pixmap->setPixmap( QPixmap::fromImage(img) );
  46     _instance->QDialog::show();
  47     _instance->raise();
  48 }
  49
  50 void MiniViewer::closeEvent( QCloseEvent* )
  51 {
  52     slotClose();
  53 }
  54
  55 void MiniViewer::slotClose()
  56 {
  57     _instance = 0;
  58     deleteLater();
  59 }
  60
  61 MiniViewer::MiniViewer( QWidget* parent ): QDialog( parent )
  62 {
  63     QVBoxLayout* vlay = new QVBoxLayout( this );
  64     _pixmap = new QLabel( this );
  65     vlay->addWidget( _pixmap );
  66     QHBoxLayout* hlay = new QHBoxLayout;
  67     vlay->addLayout(hlay);
  68     hlay->addStretch(1);
  69     QPushButton* but = new QPushButton( i18n("Close"), this );
  70     connect( but, SIGNAL( clicked() ), this, SLOT( slotClose() ) );
  71     hlay->addWidget( but );
  72 }
  73
  74 #include "MiniViewer.moc"