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71 lines
2.0 KiB
71 lines
2.0 KiB
/*
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* Copyright (C) 1999 AT&T Laboratories Cambridge. All Rights Reserved.
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*
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* This is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This software is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this software; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
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* USA.
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*/
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/*
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* corre.c - handle CoRRE encoding.
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*
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* This file shouldn't be compiled directly. It is included multiple times by
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* rfbproto.c, each time with a different definition of the macro BPP. For
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* each value of BPP, this file defines a function which handles a CoRRE
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* encoded rectangle with BPP bits per pixel.
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*/
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#define HandleCoRREBPP CONCAT2E(HandleCoRRE,BPP)
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#define CARDBPP CONCAT3E(uint,BPP,_t)
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static rfbBool
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HandleCoRREBPP (rfbClient* client, int rx, int ry, int rw, int rh)
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{
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rfbRREHeader hdr;
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int i;
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CARDBPP pix;
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uint8_t *ptr;
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int x, y, w, h;
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if (!ReadFromRFBServer(client, (char *)&hdr, sz_rfbRREHeader))
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return FALSE;
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hdr.nSubrects = rfbClientSwap32IfLE(hdr.nSubrects);
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if (!ReadFromRFBServer(client, (char *)&pix, sizeof(pix)))
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return FALSE;
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client->GotFillRect(client, rx, ry, rw, rh, pix);
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if (!ReadFromRFBServer(client, client->buffer, hdr.nSubrects * (4 + (BPP / 8))))
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return FALSE;
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ptr = (uint8_t *)client->buffer;
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for (i = 0; i < hdr.nSubrects; i++) {
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pix = *(CARDBPP *)ptr;
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ptr += BPP/8;
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x = *ptr++;
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y = *ptr++;
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w = *ptr++;
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h = *ptr++;
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client->GotFillRect(client, rx+x, ry+y, w, h, pix);
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}
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return TRUE;
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}
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#undef CARDBPP
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