int color2rgb(char *str, double rgb[3])
{
static hsbcolor_t *last;
char *p,canon[SMALLBUF],buf[BUFSIZ];
hsbcolor_t fake;
double hsv[3];
if ((last == NULL)||(last->name[0] != str[0])||(strcmp(last->name,str))) {
fake.name = canoncolor(str,canon);
last = (hsbcolor_t*) bsearch((void*)&fake,(void*)color_lib,sizeof(color_lib)/sizeof(hsbcolor_t),sizeof(fake),(bsearch_cmpf)colorcmpf);
}
if (last == NULL) {
if (isdigit(canon[0]) == FALSE) return 0;
else {
for (p = buf; (*p = *str++); p++) if (*p == ',') *p = ' ';
sscanf(buf,"%lf%lf%lf",&hsv[0],&hsv[1],&hsv[2]);
}
}
else {
hsv[0] = ((double)last->h)/255;
hsv[1] = ((double)last->s)/255;
hsv[2] = ((double)last->b)/255;
}
hsv2rgb(&rgb[0],&rgb[1],&rgb[2],hsv[0],hsv[1],hsv[2]);
return 1;
}
char *colorxlate(char *str, char *buf)
{
static hsbcolor_t *last;
unsigned char canon[128];
char *p;
hsbcolor_t fake;
if ((last == NULL) || (last->name[0] != str[0])
|| (strcmp(last->name, str))) {
fake.name = (char *) canoncolor(str, canon);
last =
(hsbcolor_t *) bsearch(&fake, color_lib,
sizeof(color_lib) / sizeof(hsbcolor_t),
sizeof(fake), colorcmpf);
}
if (last == NULL) {
if (isdigit(canon[0]) == FALSE) {
fprintf(stderr, "warning: %s is not a known color\n", str);
strcpy(buf, str);
} else
for (p = buf; (*p = *str++); p++)
if (*p == ',')
*p = ' ';
} else
sprintf(buf, "%.3f %.3f %.3f", ((double) last->h) / 255,
((double) last->s) / 255, ((double) last->b) / 255);
return buf;
}
