一个很有名的浏览器

				/* $Id: color.h,v 1.6 2004/02/06 13:03:09 jonas Exp $ */								#ifndef EL__UTIL_COLOR_H				#define EL__UTIL_COLOR_H								#include "util/types.h"								typedef uint32_t color_t;								#define ALPHA_COLOR_MASK	0xFF000000				#define RED_COLOR_MASK		0x00FF0000				#define GREEN_COLOR_MASK	0x0000FF00				#define BLUE_COLOR_MASK		0x000000FF								#define RED_COLOR(color)	(((color) & RED_COLOR_MASK)   >> 16)				#define GREEN_COLOR(color)	(((color) & GREEN_COLOR_MASK) >>  8)				#define BLUE_COLOR(color)	(((color) & BLUE_COLOR_MASK)  >>  0)								struct rgb {					unsigned char r, g, b;					unsigned char pad;				};								/* Initialize a rgb strubt from a color_t */				#define INIT_RGB(color) \					{ RED_COLOR(color), GREEN_COLOR(color), BLUE_COLOR(color) }								#define INT2RGB(color, rgb) \					do { \						(rgb).r = RED_COLOR(color); \						(rgb).g = GREEN_COLOR(color); \						(rgb).b = BLUE_COLOR(color); \					} while (0)								struct color_pair {					color_t background;					color_t foreground;				};								#define INIT_COLOR_PAIR(bg, fg) { bg, fg }								/* Decode the color string. */				/* The color string can either contain '#FF0044' style declarations or				 * color names. */				int decode_color(unsigned char *str, int slen, color_t *color);								/* Returns a string containing the color info. If no ``English'' name can be				 * found the hex color (#rrggbb) is returned in the given buffer. */				unsigned char *get_color_string(color_t color, unsigned char hexcolor[8]);								/* Translate rgb color to string in #rrggbb format. str should be a pointer to				 * a 8 bytes memory space. */				void color_to_string(color_t color, unsigned char str[]);								/* Fastfind lookup management. */				void init_colors_lookup(void);				void free_colors_lookup(void);								#endif