From 0fc57f2054f9e1b7d2efbe202fdaa4b8e39556f3 Mon Sep 17 00:00:00 2001 From: dscho Date: Sun, 27 Jul 2003 21:51:57 +0000 Subject: first alpha version of libvncclient --- libvncclient/rre.c | 68 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 68 insertions(+) create mode 100644 libvncclient/rre.c (limited to 'libvncclient/rre.c') diff --git a/libvncclient/rre.c b/libvncclient/rre.c new file mode 100644 index 0000000..fba3767 --- /dev/null +++ b/libvncclient/rre.c @@ -0,0 +1,68 @@ +/* + * Copyright (C) 1999 AT&T Laboratories Cambridge. 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. + */ + +/* + * rre.c - handle RRE encoding. + * + * This file shouldn't be compiled directly. It is included multiple times by + * rfbproto.c, each time with a different definition of the macro BPP. For + * each value of BPP, this file defines a function which handles an RRE + * encoded rectangle with BPP bits per pixel. + */ + +#define HandleRREBPP CONCAT2E(HandleRRE,BPP) +#define CARDBPP CONCAT3E(uint,BPP,_t) + +static Bool +HandleRREBPP (rfbClient* client, int rx, int ry, int rw, int rh) +{ + rfbRREHeader hdr; + int i; + CARDBPP pix; + rfbRectangle subrect; + + if (!ReadFromRFBServer(client, (char *)&hdr, sz_rfbRREHeader)) + return FALSE; + + hdr.nSubrects = Swap32IfLE(hdr.nSubrects); + + if (!ReadFromRFBServer(client, (char *)&pix, sizeof(pix))) + return FALSE; + + FillRectangle(client, rx, ry, rw, rh, pix); + + for (i = 0; i < hdr.nSubrects; i++) { + if (!ReadFromRFBServer(client, (char *)&pix, sizeof(pix))) + return FALSE; + + if (!ReadFromRFBServer(client, (char *)&subrect, sz_rfbRectangle)) + return FALSE; + + subrect.x = Swap16IfLE(subrect.x); + subrect.y = Swap16IfLE(subrect.y); + subrect.w = Swap16IfLE(subrect.w); + subrect.h = Swap16IfLE(subrect.h); + + FillRectangle(client, rx+subrect.x, ry+subrect.y, subrect.w, subrect.h, pix); + } + + return TRUE; +} + +#undef CARDBPP -- cgit v1.2.1