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* Copyright (C) 1999 AT&T Laboratories Cambridge. All Rights Reserved.
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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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* 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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* 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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* rre.c - handle RRE encoding.
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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 an RRE
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* encoded rectangle with BPP bits per pixel.
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#define HandleRREBPP CONCAT2E(HandleRRE,BPP)
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#define CARDBPP CONCAT2E(CARD,BPP)
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HandleRREBPP (int rx, int ry, int rw, int rh)
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if (!ReadFromRFBServer((char *)&hdr, sz_rfbRREHeader))
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hdr.nSubrects = Swap32IfLE(hdr.nSubrects);
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if (!ReadFromRFBServer((char *)&pix, sizeof(pix)))
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gcv.foreground = (appData.useBGR233 ? BGR233ToPixel[pix] : pix);
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XChangeGC(dpy, gc, GCForeground, &gcv);
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XFillRectangle(dpy, desktopWin, gc, rx, ry, rw, rh);
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for (i = 0; i < hdr.nSubrects; i++) {
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if (!ReadFromRFBServer((char *)&pix, sizeof(pix)))
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if (!ReadFromRFBServer((char *)&subrect, sz_rfbRectangle))
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subrect.x = Swap16IfLE(subrect.x);
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subrect.y = Swap16IfLE(subrect.y);
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subrect.w = Swap16IfLE(subrect.w);
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subrect.h = Swap16IfLE(subrect.h);
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gcv.foreground = (appData.useBGR233 ? BGR233ToPixel[pix] : pix);
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XChangeGC(dpy, gc, GCForeground, &gcv);
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XFillRectangle(dpy, desktopWin, gc, rx + subrect.x, ry + subrect.y,
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subrect.w, subrect.h);