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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);
- }
-