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- /* Copyright (C) 2007-2008 Constantin Kaplinsky. All Rights Reserved.
- *
- * 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.h
- //
-
- #ifndef __XPIXELBUFFER_H__
- #define __XPIXELBUFFER_H__
-
- #include <rfb/PixelBuffer.h>
- #include <rfb/VNCServer.h>
- #include <x0vncserver/Image.h>
- #include <x0vncserver/PollingManager.h>
-
- //
- // XPixelBuffer is an Image-based implementation of FullFramePixelBuffer.
- //
-
- class XPixelBuffer : public rfb::FullFramePixelBuffer
- {
- public:
- XPixelBuffer(Display *dpy, ImageFactory &factory, const rfb::Rect &rect);
- virtual ~XPixelBuffer();
-
- // Provide access to the underlying Image object.
- const Image *getImage() const { return m_image; }
-
- // Detect changed pixels, notify the server.
- inline void poll(rfb::VNCServer *server) { m_poller->poll(server); }
-
- // Override PixelBuffer::grabRegion().
- virtual void grabRegion(const rfb::Region& region);
-
- protected:
- PollingManager *m_poller;
-
- Display *m_dpy;
- Image* m_image;
- int m_offsetLeft;
- int m_offsetTop;
-
- // Copy pixels from the screen to the pixel buffer,
- // for the specified rectangular area of the buffer.
- inline void grabRect(const rfb::Rect &r) {
- m_image->get(DefaultRootWindow(m_dpy),
- m_offsetLeft + r.tl.x, m_offsetTop + r.tl.y,
- r.width(), r.height(), r.tl.x, r.tl.y);
- }
- };
-
- #endif // __XPIXELBUFFER_H__
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