123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384 |
- /* Copyright (C) 2007-2008 Constantin Kaplinsky. All Rights Reserved.
- * Copyright 2014 Pierre Ossman for Cendio AB
- *
- * This 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 software 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 software; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
- * USA.
- */
-
- //
- // XPixelBuffer.cxx
- //
-
- #ifdef HAVE_CONFIG_H
- #include <config.h>
- #endif
-
- #include <vector>
- #include <rfb/Region.h>
- #include <X11/Xlib.h>
- #include <x0vncserver/XPixelBuffer.h>
-
- using namespace rfb;
-
- XPixelBuffer::XPixelBuffer(Display *dpy, ImageFactory &factory,
- const Rect &rect)
- : FullFramePixelBuffer(),
- m_poller(0),
- m_dpy(dpy),
- m_image(factory.newImage(dpy, rect.width(), rect.height())),
- m_offsetLeft(rect.tl.x),
- m_offsetTop(rect.tl.y)
- {
- // Fill in the PixelFormat structure of the parent class.
- format = PixelFormat(m_image->xim->bits_per_pixel,
- m_image->xim->depth,
- (m_image->xim->byte_order == MSBFirst),
- true,
- m_image->xim->red_mask >> (ffs(m_image->xim->red_mask) - 1),
- m_image->xim->green_mask >> (ffs(m_image->xim->green_mask) - 1),
- m_image->xim->blue_mask >> (ffs(m_image->xim->blue_mask) - 1),
- ffs(m_image->xim->red_mask) - 1,
- ffs(m_image->xim->green_mask) - 1,
- ffs(m_image->xim->blue_mask) - 1);
-
- // Set up the remaining data of the parent class.
- setBuffer(rect.width(), rect.height(), (rdr::U8 *)m_image->xim->data,
- m_image->xim->bytes_per_line * 8 / m_image->xim->bits_per_pixel);
-
- // Get initial screen image from the X display.
- m_image->get(DefaultRootWindow(m_dpy), m_offsetLeft, m_offsetTop);
-
- // PollingManager will detect changed pixels.
- m_poller = new PollingManager(dpy, getImage(), factory,
- m_offsetLeft, m_offsetTop);
- }
-
- XPixelBuffer::~XPixelBuffer()
- {
- delete m_poller;
- delete m_image;
- }
-
- void
- XPixelBuffer::grabRegion(const rfb::Region& region)
- {
- std::vector<Rect> rects;
- std::vector<Rect>::const_iterator i;
- region.get_rects(&rects);
- for (i = rects.begin(); i != rects.end(); i++) {
- grabRect(*i);
- }
- }
|