color_str.c File Reference

GIS library - color management, named color to RGB triplet. More...

#include <string.h>
#include <grass/gis.h>
#include <grass/colors.h>

Include dependency graph for color_str.c:

Go to the source code of this file.

Functions
int	G_num_standard_colors (void)
	Get number of named colors (RGB triplets) More...
struct color_rgb	G_standard_color_rgb (int n)
	Get RGB triplet of given color. More...
int	G_num_standard_color_names (void)
	Get number of named colors (color names) More...
struct color_name *	G_standard_color_name (int n)
	Get color name. More...
int	G_str_to_color (const char *str, int *red, int *grn, int *blu)
	Parse color string and set red,green,blue. More...

Detailed Description

GIS library - color management, named color to RGB triplet.

(C) 2001-2008 by 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

Original author CERL

Definition in file color_str.c.

Function Documentation

int G_num_standard_color_names

(

void

)

Get number of named colors (color names)

Returns

number of colors

Definition at line 85 of file color_str.c.

Referenced by D_translate_color(), and G_str_to_color().

int G_num_standard_colors

(

void

)

Get number of named colors (RGB triplets)

Returns

number of colors

Definition at line 65 of file color_str.c.

Referenced by COM_Standard_color(), D_color_number_to_RGB(), and D_raster_use_color().

struct color_name* G_standard_color_name

(

int

n

)

Get color name.

Parameters

n	color index

Definition at line 95 of file color_str.c.

References n.

Referenced by D_translate_color().

struct color_rgb G_standard_color_rgb

(

int

n

)

Get RGB triplet of given color.

Parameters

n	color index

Definition at line 75 of file color_str.c.

References int, and n.

Referenced by COM_Standard_color(), and D_color_number_to_RGB().

int G_str_to_color	(	const char *	str,
		int *	red,
		int *	grn,
		int *	blu
	)

Parse color string and set red,green,blue.

Parameters

	str	color string
[out]	red	red value
[out]	grn	green value
[out]	blu	blue value

Returns

1 OK

2 NONE

0 on error

Definition at line 112 of file color_str.c.

References buf, G_chop(), G_debug(), G_num_standard_color_names(), G_strcasecmp(), G_strcpy(), int, and render::name.

Referenced by G_make_histogram_eq_colors(), G_make_histogram_log_colors(), and Nviz_color_from_str().