source: qutecom-coip/libs/webcam/tests/multi-visu/VideoWindow.cpp @ 125:d648f4cb122f

/*
 * QuteCom, a voice over Internet phone
 * Copyright (C) 2010 Mbdsys
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#include "VideoWindow.h"

#include <webcam/WebcamDriver.h>

#include <util/SafeConnect.h>
#include <util/SafeDelete.h>

#include <QtGui/QtGui>

VideoWindow::VideoWindow()
        : QWidget() {

        SAFE_CONNECT(WebcamDriver::getInstance(), SIGNAL(frameCapturedSignal(piximage *)),
                SLOT(frameCapturedSlot(piximage *)));

        setMaximumSize(320, 240);
        setMinimumSize(320, 240);
        resize(320, 240);       

        _image = NULL;
        _rgbImage = pix_alloc(PIX_OSI_RGB32, 320, 240);
}

VideoWindow::~VideoWindow() {
        pix_free(_rgbImage);
        OWSAFE_DELETE(_image);
}

void VideoWindow::frameCapturedSlot(piximage * image) {
        QMutexLocker locker(&_mutex);

        pix_convert(PIX_NO_FLAG, _rgbImage, image);

        OWSAFE_DELETE(_image);
        _image = new QImage(QSize(width(), height()), QImage::Format_ARGB32);

        memcpy(_image->bits(), _rgbImage->data, _rgbImage->width * _rgbImage->height * 4);

        update();
}

void VideoWindow::mouseReleaseEvent(QMouseEvent * event) {
        VideoWindow * newWindow = new VideoWindow();
        newWindow->show();

        QWidget::mouseReleaseEvent(event);
}

void VideoWindow::paintEvent(QPaintEvent *) {
        QMutexLocker locker(&_mutex);

        QPainter painter(this);
        if (_image) {
                painter.drawImage(0, 0, *_image, 0, 0, _image->width(), _image->height());
        }
}