| San Mehat | a430b2b | 2014-09-23 08:30:51 -0700 | [diff] [blame] | 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 | * corre.c - handle CoRRE 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 a CoRRE |
| 26 | * encoded rectangle with BPP bits per pixel. |
| 27 | */ |
| 28 | |
| 29 | #define HandleCoRREBPP CONCAT2E(HandleCoRRE,BPP) |
| 30 | #define CARDBPP CONCAT3E(uint,BPP,_t) |
| 31 | |
| 32 | static rfbBool |
| 33 | HandleCoRREBPP (rfbClient* client, int rx, int ry, int rw, int rh) |
| 34 | { |
| 35 | rfbRREHeader hdr; |
| 36 | int i; |
| 37 | CARDBPP pix; |
| 38 | uint8_t *ptr; |
| 39 | int x, y, w, h; |
| 40 | |
| 41 | if (!ReadFromRFBServer(client, (char *)&hdr, sz_rfbRREHeader)) |
| 42 | return FALSE; |
| 43 | |
| 44 | hdr.nSubrects = rfbClientSwap32IfLE(hdr.nSubrects); |
| 45 | |
| 46 | if (!ReadFromRFBServer(client, (char *)&pix, sizeof(pix))) |
| 47 | return FALSE; |
| 48 | |
| 49 | FillRectangle(client, rx, ry, rw, rh, pix); |
| 50 | |
| 51 | if (!ReadFromRFBServer(client, client->buffer, hdr.nSubrects * (4 + (BPP / 8)))) |
| 52 | return FALSE; |
| 53 | |
| 54 | ptr = (uint8_t *)client->buffer; |
| 55 | |
| 56 | for (i = 0; i < hdr.nSubrects; i++) { |
| 57 | pix = *(CARDBPP *)ptr; |
| 58 | ptr += BPP/8; |
| 59 | x = *ptr++; |
| 60 | y = *ptr++; |
| 61 | w = *ptr++; |
| 62 | h = *ptr++; |
| 63 | |
| 64 | FillRectangle(client, rx+x, ry+y, w, h, pix); |
| 65 | } |
| 66 | |
| 67 | return TRUE; |
| 68 | } |
| 69 | |
| 70 | #undef CARDBPP |