| /* |
| * 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. |
| */ |
| |
| #define HandleCoRREBPP CONCAT2E(HandleCoRRE,BPP) |
| #define CARDBPP CONCAT3E(uint,BPP,_t) |
| |
| static rfbBool |
| HandleCoRREBPP (rfbClient* client, int rx, int ry, int rw, int rh) |
| { |
| rfbRREHeader hdr; |
| int i; |
| CARDBPP pix; |
| uint8_t *ptr; |
| int x, y, w, h; |
| |
| if (!ReadFromRFBServer(client, (char *)&hdr, sz_rfbRREHeader)) |
| return FALSE; |
| |
| hdr.nSubrects = rfbClientSwap32IfLE(hdr.nSubrects); |
| |
| if (!ReadFromRFBServer(client, (char *)&pix, sizeof(pix))) |
| return FALSE; |
| |
| FillRectangle(client, rx, ry, rw, rh, pix); |
| |
| if (!ReadFromRFBServer(client, client->buffer, hdr.nSubrects * (4 + (BPP / 8)))) |
| return FALSE; |
| |
| ptr = (uint8_t *)client->buffer; |
| |
| for (i = 0; i < hdr.nSubrects; i++) { |
| pix = *(CARDBPP *)ptr; |
| ptr += BPP/8; |
| x = *ptr++; |
| y = *ptr++; |
| w = *ptr++; |
| h = *ptr++; |
| |
| FillRectangle(client, rx+x, ry+y, w, h, pix); |
| } |
| |
| return TRUE; |
| } |
| |
| #undef CARDBPP |