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/*!
\file lib/pngdriver/driver.c
\brief GRASS png display driver - driver initialization
(C) 2007-2014 by Glynn Clements and the GRASS Development Team
This program is free software under the GNU General Public License
(>=v2). Read the file COPYING that comes with GRASS for details.
\author Glynn Clements
*/
#include "pngdriver.h"
/*!
\brief Initialize display driver
\return pointer driver structure
*/
const struct driver *PNG_Driver(void)
{
static struct driver drv;
static int initialized;
if (initialized)
return &drv;
drv.name = "png";
drv.Box = PNG_Box;
drv.Erase = PNG_Erase;
drv.Graph_set = PNG_Graph_set;
drv.Graph_close = PNG_Graph_close;
drv.Graph_get_file = PNG_Graph_get_file;
drv.Line_width = PNG_Line_width;
drv.Set_window = PNG_Set_window;
drv.Begin_raster = PNG_begin_raster;
drv.Raster = PNG_raster;
drv.End_raster = NULL;
drv.Begin = PNG_Begin;
drv.Move = PNG_Move;
drv.Cont = PNG_Cont;
drv.Close = PNG_Close;
drv.Stroke = PNG_Stroke;
drv.Fill = PNG_Fill;
drv.Point = PNG_Point;
drv.Color = PNG_color_rgb;
drv.Bitmap = PNG_draw_bitmap;
drv.Text = NULL;
drv.Text_box = NULL;
drv.Set_font = NULL;
drv.Font_list = NULL;
drv.Font_info = NULL;
initialized = 1;
return &drv;
}
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