| 1 | //hq2xa filter |
1 | /* |
| 2 | //---------------------------------------------------------- |
2 | * This file is part of Crossfire TRT, the Roguelike Realtime MORPG. |
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3 | * |
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4 | * Copyright (©) 2007 Marc Alexander Lehmann / Robin Redeker / the Crossfire TRT team |
| 3 | //Copyright (C) 2003 MaxSt ( maxst@hiend3d.com ) |
5 | * Copyright (©) 2003,2007 MaxSt <maxst@hiend3d.com> |
| 4 | //Copyright (C) 2006 Marc Lehmann <pcg@goof.com> |
6 | * |
| 5 | // converted to RGBA, cleaned up |
7 | * Crossfire TRT is free software: you can redistribute it and/or modify |
| 6 | |
8 | * it under the terms of the GNU General Public License as published by |
| 7 | //This program is free software; you can redistribute it and/or |
9 | * the Free Software Foundation, either version 3 of the License, or |
| 8 | //modify it under the terms of the GNU Lesser General Public |
10 | * (at your option) any later version. |
| 9 | //License as published by the Free Software Foundation; either |
11 | * |
| 10 | //version 2.1 of the License, or (at your option) any later version. |
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| 11 | // |
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| 12 | //This program is distributed in the hope that it will be useful, |
12 | * This program is distributed in the hope that it will be useful, |
| 13 | //but WITHOUT ANY WARRANTY; without even the implied warranty of |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | //MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | //Lesser General Public License for more details. |
15 | * GNU General Public License for more details. |
| 16 | // |
16 | * |
| 17 | //You should have received a copy of the GNU Lesser General Public |
17 | * You should have received a copy of the GNU General Public License |
| 18 | //License along with this program; if not, write to the Free Software |
18 | * along with this program. If not, see <http://www.gnu.org/licenses/>. |
| 19 | //Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
19 | * |
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20 | * The authors can be reached via e-mail to <crossfire@schmorp.de> |
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21 | */ |
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22 | |
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23 | // note: the original code was released under the LGPL version 2.1 |
| 20 | |
24 | |
| 21 | #include <cstdio> |
25 | #include <cstdio> |
| 22 | #include <cstring> |
26 | #include <cstring> |
| 23 | #include <stdlib.h> |
27 | #include <stdlib.h> |
| 24 | #include <stdint.h> |
28 | #include <stdint.h> |
| … | |
… | |
| 188 | { |
192 | { |
| 189 | int i, j, k; |
193 | int i, j, k; |
| 190 | int prevline, nextline; |
194 | int prevline, nextline; |
| 191 | pixel w[10]; |
195 | pixel w[10]; |
| 192 | |
196 | |
| 193 | // +----+----+----+ |
197 | // +--+--+--+ |
| 194 | // | | | | |
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| 195 | // | w1 | w2 | w3 | |
198 | // |w1|w2|w3| |
| 196 | // +----+----+----+ |
199 | // +--+--+--+ |
| 197 | // | | | | |
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| 198 | // | w4 | w5 | w6 | |
200 | // |w4|w5|w6| |
| 199 | // +----+----+----+ |
201 | // +--+--+--+ |
| 200 | // | | | | |
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| 201 | // | w7 | w8 | w9 | |
202 | // |w7|w8|w9| |
| 202 | // +----+----+----+ |
203 | // +--+--+--+ |
| 203 | |
204 | |
| 204 | for (j = 0; j < Yres; j++) |
205 | for (j = 0; j < Yres; j++) |
| 205 | { |
206 | { |
| 206 | if (j > 0) |
207 | if (j > 0) |
| 207 | prevline = -Xres * sizeof (pixel); |
208 | prevline = -Xres * sizeof (pixel); |
