GRASS Programmer's Manual
6.5.svn(2014)-r66266
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#include <string.h>
#include <grass/display.h>
#include <grass/colors.h>
#include <grass/raster.h>
#include <grass/glocale.h>
Go to the source code of this file.
Functions | |
int | D_translate_color (const char *str) |
color name to number More... | |
int | D_parse_color (const char *str, int none_acceptable) |
color option text to usable color number More... | |
int | D_raster_use_color (int color) |
draw with a color from D_parse_color More... | |
int | D_color_number_to_RGB (int color, int *r, int *g, int *b) |
get RGB values from color number More... | |
get RGB values from color number
Translates the color number provided by D_parse_color into 0-255 RGB values.
Returns 1 if color can be used to draw (is good and isn't 'none'), 0 otherwise.
color_number | |
red | |
green | |
blue |
Definition at line 183 of file tran_colr.c.
References tools::color, G_num_standard_colors(), and G_standard_color_rgb().
color option text to usable color number
Converts or looks up the color provided in the string. Returns a color number usable by D_raster_use_color. If the color does not exist exits with a fatal error and message. If the color is none and none_acceptable is not true exits with a fatal error and message.
name_or_code | |
none_acceptable |
Definition at line 123 of file tran_colr.c.
References tools::color, and G_fatal_error().
Referenced by D_erase().
draw with a color from D_parse_color
Calls R_color or R_standard_color to use the color provided by D_parse_color. Returns 1 if color can be used to draw (is good and isn't none), 0 otherwise.
color |
Definition at line 146 of file tran_colr.c.
References tools::color, G_num_standard_colors(), R_RGB_color(), and R_standard_color().
Referenced by D_erase().
int D_translate_color | ( | const char * | str | ) |
color name to number
Takes a color name in ascii and returns the color number for that color. Returns 0 if color is not known. The color number returned is for lines and text, not raster graphics.
name |
Definition at line 27 of file tran_colr.c.
References G_num_standard_color_names(), G_standard_color_name(), G_strcasecmp(), and render::name.
Referenced by D_full_screen(), D_reset_screen_window(), D_set_cur_wind(), and D_setup().