vncEncoder.h
资源名称:vnc3326s.zip [点击查看]
上传用户:sbftbdw
上传日期:2007-01-03
资源大小:379k
文件大小:3k
源码类别:
远程控制编程
开发平台:
Visual C++
- // Copyright (C) 1997, 1998 Olivetti & Oracle Research Laboratory
- //
- // This file is part of the VNC system.
- //
- // The VNC system 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.
- //
- // If the source code for the VNC system is not available from the place
- // whence you received this file, check http://www.orl.co.uk/vnc or contact
- // the authors on vnc@orl.co.uk for information on obtaining it.
- // vncEncoder object
- // The vncEncoder object encodes regions of a display buffer for sending
- // to a client
- class vncEncoder;
- #if !defined(RFBENCODER_DEFINED)
- #define RFBENCODER_DEFINED
- #pragma once
- #include "vncBuffer.h"
- #include "translate.h"
- // Class definition
- class vncEncoder
- {
- // Fields
- public:
- // Methods
- public:
- // Create/Destroy methods
- vncEncoder();
- virtual ~vncEncoder();
- // Initialisation
- virtual void Init();
- // Encoder stats used by the buffer object
- virtual UINT RequiredBuffSize(UINT width, UINT height);
- virtual UINT NumCodedRects(RECT &rect);
- // Translation & encoding routines
- // - Source is the base address of the ENTIRE SCREEN buffer.
- // The Translate routine compensates automatically for the desired rectangle.
- // - Dest is the base address to encode the rect to. The rect will be encoded
- // into a contiguous region of the buffer.
- virtual void Translate(BYTE *source, BYTE *dest, const RECT &rect);
- virtual UINT EncodeRect(BYTE *source, BYTE *dest, const RECT &rect);
- // Translation handling
- BOOL SetLocalFormat(rfbPixelFormat &pixformat, int width, int height);
- BOOL SetRemoteFormat(rfbPixelFormat &pixformat);
- // Colour map handling
- BOOL GetRemotePalette(RGBQUAD *quadlist, UINT ncolours);
- protected:
- BOOL SetTranslateFunction();
- // Implementation
- protected:
- rfbTranslateFnType m_transfunc; // Translator function
- char* m_transtable; // Colour translation LUT
- char* m_localpalette; // Palette info if client is palette-based
- rfbPixelFormat m_localformat; // Pixel Format info
- rfbPixelFormat m_remoteformat; // Client pixel format info
- rfbPixelFormat m_transformat; // Internal format used for translation (usually == client format)
- int m_bytesPerRow; // Number of bytes per row locally
- };
- #endif // vncENCODER_DEFINED