1/*
2 *  Copyright (C) 1999 AT&T Laboratories Cambridge.  All Rights Reserved.
3 *
4 *  This is free software; you can redistribute it and/or modify
5 *  it under the terms of the GNU General Public License as published by
6 *  the Free Software Foundation; either version 2 of the License, or
7 *  (at your option) any later version.
8 *
9 *  This software is distributed in the hope that it will be useful,
10 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
11 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12 *  GNU General Public License for more details.
13 *
14 *  You should have received a copy of the GNU General Public License
15 *  along with this software; if not, write to the Free Software
16 *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307,
17 *  USA.
18 */
19
20/*
21 * rre.c - handle RRE encoding.
22 *
23 * This file shouldn't be compiled directly.  It is included multiple times by
24 * rfbproto.c, each time with a different definition of the macro BPP.  For
25 * each value of BPP, this file defines a function which handles an RRE
26 * encoded rectangle with BPP bits per pixel.
27 */
28
29#define HandleRREBPP CONCAT2E(HandleRRE,BPP)
30#define CARDBPP CONCAT3E(uint,BPP,_t)
31
32static rfbBool
33HandleRREBPP (rfbClient* client, int rx, int ry, int rw, int rh)
34{
35  rfbRREHeader hdr;
36  int i;
37  CARDBPP pix;
38  rfbRectangle subrect;
39
40  if (!ReadFromRFBServer(client, (char *)&hdr, sz_rfbRREHeader))
41    return FALSE;
42
43  hdr.nSubrects = rfbClientSwap32IfLE(hdr.nSubrects);
44
45  if (!ReadFromRFBServer(client, (char *)&pix, sizeof(pix)))
46    return FALSE;
47
48  FillRectangle(client, rx, ry, rw, rh, pix);
49
50  for (i = 0; i < hdr.nSubrects; i++) {
51    if (!ReadFromRFBServer(client, (char *)&pix, sizeof(pix)))
52      return FALSE;
53
54    if (!ReadFromRFBServer(client, (char *)&subrect, sz_rfbRectangle))
55      return FALSE;
56
57    subrect.x = rfbClientSwap16IfLE(subrect.x);
58    subrect.y = rfbClientSwap16IfLE(subrect.y);
59    subrect.w = rfbClientSwap16IfLE(subrect.w);
60    subrect.h = rfbClientSwap16IfLE(subrect.h);
61
62    FillRectangle(client, rx+subrect.x, ry+subrect.y, subrect.w, subrect.h, pix);
63  }
64
65  return TRUE;
66}
67
68#undef CARDBPP
69