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Risc World 3
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corre16
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2002-03-10
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/*
* 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.
*/
/*
* corre.c - handle CoRRE 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 a CoRRE
* encoded rectangle with BPP bits per pixel.
*/
static Bool HandleCoRRE16 (int rx, int ry, int rw, int rh) {
rfbRREHeader hdr;
int i;
CARD16 pix;
CARD8 *ptr;
int x, y, w, h;
fprintf(stderr, "CORRE\n");
if (!ReadFromRFBServer((char *)&hdr, sz_rfbRREHeader))
return False;
hdr.nSubrects = Swap32IfLE(hdr.nSubrects);
if (!ReadFromRFBServer((char *)&pix, sizeof(pix)))
return False;
display_fillrectangle(rx, ry, rw, rh, pix);
if (!ReadFromRFBServer(buffer, hdr.nSubrects * (4 + (BPP / 8))))
return False;
ptr = (CARD8 *)buffer;
for (i = 0; i < hdr.nSubrects; i++) {
pix = *(CARD16 *)ptr;
ptr += BPP/8;
x = *ptr++;
y = *ptr++;
w = *ptr++;
h = *ptr++;
display_fillrectangle(rx + x, ry + y, w, h, pix);
}
return True;
}