| 1 | /************************************************************************ |
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| 2 | * |
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| 3 | * Copyright (C) 1999 AT&T Laboratories Cambridge. All Rights Reserved. |
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| 4 | * |
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| 5 | * This is free software; you can redistribute it and/or modify |
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| 6 | * it under the terms of the GNU General Public License as published by |
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| 7 | * the Free Software Foundation; either version 2 of the License, or |
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| 8 | * (at your option) any later version. |
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| 9 | * |
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| 10 | * This software is distributed in the hope that it will be useful, |
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| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 13 | * GNU General Public License for more details. |
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| 14 | * |
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| 15 | * You should have received a copy of the GNU General Public License |
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| 16 | * along with this software; if not, write to the Free Software |
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| 17 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, |
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| 18 | * USA. |
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| 19 | ************************************************************************/ |
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| 20 | |
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| 21 | /* |
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| 22 | * corre.c - handle CoRRE encoding. |
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| 23 | * |
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| 24 | * This file shouldn't be compiled directly. It is included multiple times by |
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| 25 | * rfbproto.c, each time with a different definition of the macro BPP. For |
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| 26 | * each value of BPP, this file defines a function which handles a CoRRE |
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| 27 | * encoded rectangle with BPP bits per pixel. |
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| 28 | */ |
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| 29 | |
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| 30 | #ifdef HandleRREBPP |
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| 31 | #undef HandleRREBPP |
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| 32 | #endif |
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| 33 | #ifdef ReceiveRREBPP |
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| 34 | #undef ReceiveeRREBPP |
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| 35 | #endif |
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| 36 | #ifdef flushRREBPP |
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| 37 | #undef flushRREBPP |
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| 38 | #endif |
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| 39 | #ifdef CARDBPP |
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| 40 | #undef CARDBPP |
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| 41 | #endif |
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| 42 | #ifdef HandleCoRREBPP |
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| 43 | #undef HandleCoRREBPP |
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| 44 | #endif |
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| 45 | |
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| 46 | #define HandleCoRREBPP CONCAT2E(HandleCoRRE,BPP) |
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| 47 | #define ReceiveCoRREBPP CONCAT2E(ReceiveCoRRE,BPP) |
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| 48 | #define flushCoRREBPP CONCAT2E(flushCoRRE,BPP) |
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| 49 | #define CARDBPP CONCAT2E(CARD,BPP) |
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| 50 | |
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| 51 | Bool |
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| 52 | VNCViewer::HandleCoRREBPP (sgVNCViewer *ct, int rx, int ry, int rw, int rh) |
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| 53 | { |
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| 54 | rfbRREHeader hdr; |
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| 55 | int i; |
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| 56 | CARDBPP pix; |
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| 57 | CARD8 *ptr; |
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| 58 | int x, y, w, h; |
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| 59 | |
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| 60 | if (!ReadFromRFBServer((char *)&hdr, sz_rfbRREHeader)) |
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| 61 | return False; |
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| 62 | |
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| 63 | hdr.nSubrects = Swap32IfLE(hdr.nSubrects); |
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| 64 | |
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| 65 | if (!ReadFromRFBServer((char *)&pix, sizeof(pix))) |
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| 66 | return False; |
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| 67 | |
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| 68 | ct->FillToScreen(pix, rx, ry, rw, rh); |
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| 69 | |
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| 70 | if (!ReadFromRFBServer(buffer, hdr.nSubrects * (4 + (BPP / 8)))) |
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| 71 | return False; |
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| 72 | |
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| 73 | ptr = (CARD8 *)buffer; |
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| 74 | |
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| 75 | for (i = 0; i < hdr.nSubrects; i++) { |
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| 76 | pix = *(CARDBPP *)ptr; |
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| 77 | ptr += BPP/8; |
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| 78 | x = *ptr++; |
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| 79 | y = *ptr++; |
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| 80 | w = *ptr++; |
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| 81 | h = *ptr++; |
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| 82 | |
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| 83 | ct->FillToScreen(pix, rx + x, ry + y, w, h); |
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| 84 | } |
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| 85 | return True; |
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| 86 | } |
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| 87 | |
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