src/mainwindow.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2006 by Michal Sojka   *
   3  *   sojkam1@fel.cvut.cz   *
   4  *                                                                         *
   5  *   This program is free software; you can redistribute it and/or modify  *
   6  *   it under the terms of the GNU General Public License as published by  *
   7  *   the Free Software Foundation; either version 2 of the License, or     *
   8  *   (at your option) any later version.                                   *
   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         *
  13  *   GNU 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; if not, write to the                         *
  17  *   Free Software Foundation, Inc.,                                       *
  18  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  19  ***************************************************************************/
  20 #include "mainwindow.h"
  21 #include <QTextStream>
  22 #include <QDataStream>
  23 #include <QFile>
  24 #include <QClipboard>
  25
  26 MainWindow::MainWindow(const string &tty)
  27  : QDialog(), m_commThread(tty), m_fileNum(0), m_lastSize(0), m_image()
  28 {
  29      ui.setupUi(this);
  30
  31      imageLabel = new QLabel;
  32      ui.scrollArea->setWidget(imageLabel);
  33      ui.scrollArea->setMinimumWidth(320);
  34      ui.progressBar->setValue(0);
  35      ui.progressBar->hide();
  36      ui.saveButton->setDisabled(true);
  37
  38      ui.statusBar->setText("Press \"hardcopy\" button on the scope...");
  39
  40      connect(ui.quitButton, SIGNAL(clicked()), this, SLOT(close()));
  41      connect(&m_commThread, SIGNAL(bytesReceived(int)), ui.progressBar, SLOT(setValue(int)));
  42      connect(&m_commThread, SIGNAL(newImage()), this, SLOT(newImage()));
  43      connect(&m_commThread, SIGNAL(imageAvailable(OscImage*)), this, SLOT(processImage(OscImage*)));
  44      connect(ui.prefixLine, SIGNAL(textChanged(const QString&)), this, SLOT(generateFileName(const QString&)));
  45      connect(ui.saveButton, SIGNAL(clicked()), this, SLOT(saveImage()));
  46
  47      m_commThread.start();
  48 }
  49
  50
  51
  52 MainWindow::~MainWindow()
  53 {
  54 }
  55
  56 void MainWindow::processImage( OscImage * img )
  57 {
  58         bool ret;
  59         ui.saveButton->setEnabled(true);
  60         m_lastSize = img->size();
  61         ui.progressBar->setMaximum(m_lastSize);
  62         ui.progressBar->setValue(m_lastSize);
  63         ui.progressBar->hide();
  64
  65         if (m_image) delete m_image;
  66         m_image = img;
  67
  68         QPixmap pixmap;
  69         ret = pixmap.loadFromData(*m_image);
  70         if (!ret)
  71           ui.statusBar->setText("Cannot display the image! Unsupported format?");
  72         else
  73           ui.statusBar->setText("Ready");
  74
  75         QApplication::clipboard()->setPixmap(pixmap);
  76         imageLabel->setPixmap(pixmap);
  77         imageLabel->adjustSize();
  78
  79         m_fileNum++;
  80         generateFileName( ui.prefixLine->text());
  81
  82 }
  83
  84
  85
  86 void MainWindow::resetFileCounter( )
  87 {
  88         m_fileNum = 0;
  89 }
  90
  91 void MainWindow::generateFileName( const QString & prefix )
  92 {
  93         QString fname;
  94         QTextStream ts(&fname);
  95
  96         ts.setFieldWidth(3);
  97         ts.setPadChar('0') ;
  98
  99         ts << prefix << m_fileNum << ".bmp";
 100         ui.fileLine->setText(fname);
 101 }
 102
 103 void MainWindow::saveImage()
 104 {
 105         QFile file(ui.fileLine->text());
 106         QDataStream ds(&file);
 107
 108         file.open(QIODevice::WriteOnly);
 109         ds.writeRawData(m_image->data(), m_image->size());
 110         file.close();
 111 }
 112
 113 void MainWindow::newImage()
 114 {
 115      ui.progressBar->show();
 116      ui.statusBar->setText("Transferring...");
 117         if (m_lastSize == 0)
 118                 ui.progressBar->setMaximum(0);
 119 }