GRASS Programmer's Manual  6.4.3(2013)-r
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pngdriver/Set_window.c
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1 
2 /****************************************************************************
3  *
4  * MODULE: PNG driver
5  * AUTHOR(S): Glynn Clements <glynn@gclements.plus.com>
6  * COPYRIGHT: (C) 2007 Glynn Clements
7  *
8  * This program is free software; you can redistribute it and/or modify
9  * it under the terms of the GNU General Public License as published by
10  * the Free Software Foundation; either version 2 of the License, or
11  * (at your option) any later version.
12  *
13  * This program is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16  * GNU General Public License for more details.
17  *
18  *****************************************************************************/
19 
20 #include "pngdriver.h"
21 
22 void PNG_Set_window(int t, int b, int l, int r)
23 {
24  clip_top = t > screen_top ? t : screen_top;
26  clip_left = l > screen_left ? l : screen_left;
28 }