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/*
** Form a command string for ANSI.SYS to set a given video attribute
**
** Public domain demo by Bob Stout
*/
/* video attributes */
#define BLINKING 0x87
#define REVERSE 0x70
#define REVBLINK 0xf0
#define NORMAL 0x07
#define HIGHLITE 0x0f
#define HIGHBLINK 0x8f
#define BLINKBIT 0x80 /* OR in to cause blink */
#define HILTBIT 0x08 /* OR in to cause highlight */
/*
** colors -- Use as is for foreground colors
** For background, shift left by 4 and OR with
** foreground and possible video attributes
*/
#define BLACK 0
#define BLUE 1
#define GREEN 2
#define CYAN 3
#define RED 4
#define MAGENTA 5
#define BROWN 6
#define WHITE 7
#define GRAY 8
#define LTBLUE 9
#define LTGREEN 10
#define LTCYAN 11
#define LTRED 12
#define LTMAGENTA 13
#define YELLOW 14
#define HIWHITE 15 /* hi-intensity white */
#define BG_(a) (((a) & 0x7f) << 4)
/*
** Example:
** Video attribute of yellow text on blue background = BG_(BLUE)+YELLOW
*/
char *make_ansi(int vatr)
{
void add_str(char *, char *);
static char string[40];
static char *fore[8] = {"30","34","32","36","31","35","33","37"};
static char *back[8] = {"40","44","42","46","41","45","43","47"};
strcpy(string, "\033[");
if (vatr == 0x07)
strcat(string, "0");
else
{
if (vatr & 0x80)
add_str(string, "5");
if (vatr & 0x08)
add_str(string, "1");
add_str(string, fore[vatr & 0x07]);
add_str(string, back[(vatr & 0x70) >> 4]);
}
strcat(string, "m");
return string;
}
void add_str(char *string1, char *string2)
{
char last_char;
last_char = string1[strlen(string1) - 1];
if (last_char != '[')
strcat(string1, ";");
strcat(string1, string2);
}
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