GRASS GIS 8 Programmer's Manual 8.4.1(2025)-45ca3179ab
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pngdriver/erase.c
Go to the documentation of this file.
1/*!
2 \file lib/pngdriver/erase.c
3
4 \brief GRASS png display driver - erase screen
5
6 (C) 2003-2014 by Per Henrik Johansen and the GRASS Development Team
7
8 This program is free software under the GNU General Public License
9 (>=v2). Read the file COPYING that comes with GRASS for details.
10
11 \author Per Henrik Johansen (original contributor)
12 \author Glynn Clements
13 */
14
15#include "pngdriver.h"
16
17/*!
18 \brief Erase screen
19 */
20void PNG_Erase(void)
21{
22 int n = png.width * png.height;
23 int i;
24
25 for (i = 0; i < n; i++)
26 png.grid[i] = png.background;
27
28 png.modified = 1;
29}
void PNG_Erase(void)
Erase screen.
struct png_state png
GRASS png display driver - header file.