Method zoomAllViewers

ImagePlay/src/ImageViewerWindow.cpp:447–484

----------------------------------------------------------------------------- ! ImageViewerWindow::zoomAllViewers */

ImageViewerWindow::zoomAllViewers
*/
void ImageViewerWindow::zoomAllViewers(ZoomAction action)
{
    qDebug() << "ImageViewerWindow::zoomAllViewers";
    _currentZoomMode = action;

    if(_ignoreZoomEvents || _imageViewers1.count() == 0)
        return;

    _ignoreZoomEvents = true;

    // apply zoom to all viewers
    QMapIterator<int, IPImageViewer*> it(_imageViewers1);
    int zoomFactor = 0;
    while (it.hasNext())
    {
        it.next();

        if(action == ImageViewerWindow::ZOOM_IN)
            it.value()->zoomIn();
        else if(action == ImageViewerWindow::ZOOM_OUT)
            it.value()->zoomOut();
        else if(action == ImageViewerWindow::ZOOM_FIT)
            it.value()->zoomFit();
        else if(action == ImageViewerWindow::ZOOM_RESET)
            it.value()->zoomReset();

        zoomFactor = it.value()->zoomFactor();
    }

    // store the current zoom for new windows
    _currentZoomFactor = static_cast< double >( zoomFactor ) / 100.0;

    on_horizontalScrollBarChanged(((IPImageViewer*)ui->tabWidget->currentWidget())->horizontalScrollBar()->value());
    on_verticalScrollBarChanged(((IPImageViewer*)ui->tabWidget->currentWidget())->verticalScrollBar()->value());

    _ignoreZoomEvents = false;
    on_zoomChanged(zoomFactor);
}

//-----------------------------------------------------------------------------
/*!