pngdriver/draw_bitmap.c File Reference

GRASS png display driver - draw bitmap. More...

#include <math.h>
#include "pngdriver.h"

Include dependency graph for pngdriver/draw_bitmap.c:

Go to the source code of this file.

Macros
#define	min(a, b)   ((a)<(b)?(a):(b))
#define	max(a, b)   ((a)>(b)?(a):(b))

Functions
void	PNG_draw_bitmap (int ncols, int nrows, int threshold, const unsigned char *buf)
	Draw bitmap. More...

Detailed Description

GRASS png display driver - draw bitmap.

(C) 2003-2014 by Per Henrik Johansen 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

Per Henrik Johansen (original contributor)

Glynn Clements

Definition in file pngdriver/draw_bitmap.c.

Macro Definition Documentation

max

#define max	(		a,
			b
	)		((a)>(b)?(a):(b))

Definition at line 22 of file pngdriver/draw_bitmap.c.

Referenced by c_max(), c_maxx(), c_range(), Cdhc_extreme(), f_max(), f_nmax(), G_ls_format(), G_math_d_max_norm(), G_math_f_max_norm(), G_math_i_max_norm(), Gs_update_attrange(), gsd_do_scale(), gsd_model2real(), gsd_model2surf(), gsd_put_legend(), gsd_real2model(), gsd_surf2model(), Nviz_set_volume_attr_default(), and w_max().

min

#define min	(		a,
			b
	)		((a)<(b)?(a):(b))

Definition at line 19 of file pngdriver/draw_bitmap.c.

Referenced by c_min(), c_minx(), c_range(), Cdhc_extreme(), f_min(), f_nmin(), gs_get_zextents(), Gs_update_attrange(), gsd_do_scale(), gsd_model2real(), gsd_model2surf(), gsd_put_legend(), gsd_real2model(), gsd_surf2model(), I_cluster_reassign(), and w_min().

Function Documentation

PNG_draw_bitmap()

void PNG_draw_bitmap	(	int	ncols,
		int	nrows,
		int	threshold,
		const unsigned char *	buf
	)

Draw bitmap.

Parameters

ncols,nrows	number of columns and rows
threshold	threshold value
buf	data buffer

Definition at line 33 of file pngdriver/draw_bitmap.c.