SnapshotDialog.cc 5.37 KB
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/*===========================================================================*\
 *                                                                           *
 *                              OpenFlipper                                  *
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Jan Möbius committed
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 *      Copyright (C) 2001-2010 by Computer Graphics Group, RWTH Aachen      *
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 *                           www.openflipper.org                             *
 *                                                                           *
 *---------------------------------------------------------------------------*
 *  This file is part of OpenFlipper.                                        *
 *                                                                           *
 *  OpenFlipper is free software: you can redistribute it and/or modify      *
 *  it under the terms of the GNU Lesser General Public License as           *
 *  published by the Free Software Foundation, either version 3 of           *
 *  the License, or (at your option) any later version with the              *
 *  following exceptions:                                                    *
 *                                                                           *
 *  If other files instantiate templates or use macros                       *
 *  or inline functions from this file, or you compile this file and         *
 *  link it with other files to produce an executable, this file does        *
 *  not by itself cause the resulting executable to be covered by the        *
 *  GNU Lesser General Public License. This exception does not however       *
 *  invalidate any other reasons why the executable file might be            *
 *  covered by the GNU Lesser General Public License.                        *
 *                                                                           *
 *  OpenFlipper 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 Lesser General Public License for more details.                      *
 *                                                                           *
 *  You should have received a copy of the GNU LesserGeneral Public          *
 *  License along with OpenFlipper. If not,                                  *
 *  see <http://www.gnu.org/licenses/>.                                      *
 *                                                                           *
\*===========================================================================*/

/*===========================================================================*\
 *                                                                           *
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 *   $Revision$                                                         *
 *   $Author$                                                      *
 *   $Date$                   *
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 *                                                                           *
\*===========================================================================*/

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#include "SnapshotDialog.hh"
#include <QtGui>
#include <QMessageBox>
#include <QFileDialog>
#include <QFileInfo>
#include <iostream>
#include <OpenFlipper/common/GlobalOptions.hh>

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SnapshotDialog::SnapshotDialog(QString _suggest, bool _captureViewers, int _w, int _h, QWidget *parent)
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 : QDialog(parent),
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   captureViewers_(_captureViewers),
   aspect_(_w / _h)
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{
  setupUi(this);

  filename->setText( _suggest );
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  // Disable 'change resolution' button if
  // in viewer snapshot mode
  resButton->setDisabled(captureViewers_);
  keepAspect->setDisabled(!captureViewers_);
  
  snapWidth->setValue(_w);
  snapHeight->setValue(_h);
  
  connect(snapWidth,  SIGNAL(valueChanged(int)), this, SLOT(snapWidthChanged(int)) );
  connect(snapHeight, SIGNAL(valueChanged(int)), this, SLOT(snapHeightChanged(int)) );
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  connect(cancelButton, SIGNAL(clicked()), this, SLOT(reject()) );
  connect(findButton, SIGNAL(clicked()), this, SLOT(findFile()) );
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  connect(resButton,  SIGNAL(clicked()), this, SLOT(slotChangeResolution()) );
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  connect(okButton,  SIGNAL(clicked()), this, SLOT(slotOk()) );
}

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void SnapshotDialog::snapWidthChanged(int _w) {
    
    if(keepAspect->isChecked()) {
        snapHeight->setValue((int)(_w / aspect_));
    }
}

void SnapshotDialog::snapHeightChanged(int _h) {
    
    if(keepAspect->isChecked()) {
        snapWidth->setValue((int)(_h * aspect_));
    }
}

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void SnapshotDialog::slotChangeResolution()
{
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  if ( !captureViewers_ )
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    emit resizeApplication(snapWidth->value(), snapHeight->value());
}

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void SnapshotDialog::slotOk()
{

  if (filename->text() == ""){
    QMessageBox msgBox;
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    msgBox.setText(tr("The Filename is empty!"));
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    msgBox.exec();
    return;
  }

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  if ( !captureViewers_ )
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    emit resizeApplication(snapWidth->value(), snapHeight->value());

  accept();
}

void SnapshotDialog::findFile()
{

  QFileInfo fi( filename->text() );

  QFileDialog dialog(this);
  dialog.setFileMode(QFileDialog::AnyFile);
  dialog.setDefaultSuffix("png");
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  dialog.setNameFilter(tr("Images (*.png *.ppm *.jpg)"));
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  dialog.setFileMode(QFileDialog::AnyFile);
  dialog.setConfirmOverwrite(true);
  dialog.setDirectory( fi.path() );
  dialog.selectFile( filename->text() );
  dialog.setAcceptMode(QFileDialog::AcceptSave);
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  dialog.setWindowTitle(tr("Save Snapshot"));
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  bool ok = dialog.exec();

  if (ok)
    filename->setText( dialog.selectedFiles()[0] );
}