Method GetDisplay

Service/DisplayXLib.cpp:173–212

}

QImage CDisplayXLib::GetDisplay(int x, int y, int width, int height)
{
    if(!m_pDisplay || 0 == m_RootWindow)
        return QImage();

    if(0 > width)
        width = Width();
    if(0 > height)
        height = Height();
    XImage *pImage = XGetImage(m_pDisplay, m_RootWindow, x, y, width, height,
                               AllPlanes, ZPixmap);
    if(QImage::Format_Invalid == GetFormat())
        m_Format = GetFormat(pImage);
    if(QImage::Format_Invalid != GetFormat())
    {
        QImage img((uchar*)pImage->data,
                   pImage->width, pImage->height,
                   GetFormat(),
                   DestroyImage, pImage);
        
        if(GetHasCursor())
        {
            QPoint pos, posHot;
            QImage cursor = GetCursor(pos, posHot);
            if(!cursor.isNull()
                    && pos.x() >= x && (pos.x() + cursor.width()) <= width
                    && pos.y() >= y && (pos.y() + cursor.height()) <= height)
            {
                QPainter painter(&img);
                painter.drawImage(pos, cursor);
            }
        }
        
        return img;
    }
    else
        DestroyImage(pImage);
    
    return QImage();
}

QImage CDisplayXLib::GetDisplay()
{