pngdriver/erase.c

Go to the documentation of this file.

/*!
   \file lib/pngdriver/erase.c
 
   \brief GRASS png display driver - erase screen
 
   SPDX-FileCopyrightText: 2003-2014 Per Henrik Johansen
   SPDX-FileCopyrightText: GRASS Development Team
   SPDX-License-Identifier: GPL-2.0-or-later
 
   \author Per Henrik Johansen (original contributor)
   \author Glynn Clements
 */
 
#include "pngdriver.h"
 
/*!
   \brief Erase screen
 */
void PNG_Erase(void)
{
    int n = png.width * png.height;
    int i;
 
    for (i = 0; i < n; i++)
        png.grid[i] = png.background;
 
    png.modified = 1;
}