[unix-history] / usr / src / lib / libplot / dumb / dumb.h

/*	dumb.h	4.1	83/11/10	*/
/*
 * This accepts plot file formats and produces the appropriate plots
 * for dumb terminals.  It can also be used for printing terminals and
 * lineprinter listings, although there is no way to specify number of
 * lines and columns different from your terminal.  This would be easy
 * to change, and is left as an exercise for the reader.
 */

#include <math.h>

#define scale(x,y) y = LINES-1-(LINES*y/rangeY +minY); x = COLS*x/rangeX + minX

extern int minX, rangeX;	/* min and range of x */
extern int minY, rangeY;	/* min and range of y */
extern int currentx, currenty;
extern int COLS, LINES;

/* A very large screen! (probably should use malloc) */
#define MAXCOLS		132
#define MAXLINES	90

extern char screenmat[MAXCOLS][MAXLINES];
Commit	Line	Data
8caab3ba RC	1	/* dumb.h 4.1 83/11/10 */
	2	/*
	3	* This accepts plot file formats and produces the appropriate plots
	4	* for dumb terminals. It can also be used for printing terminals and
	5	* lineprinter listings, although there is no way to specify number of
	6	* lines and columns different from your terminal. This would be easy
	7	* to change, and is left as an exercise for the reader.
	8	*/
	9
	10	#include <math.h>
	11
	12	#define scale(x,y) y = LINES-1-(LINESy/rangeY +minY); x = COLSx/rangeX + minX
	13
	14	extern int minX, rangeX; /* min and range of x */
	15	extern int minY, rangeY; /* min and range of y */
	16	extern int currentx, currenty;
	17	extern int COLS, LINES;
	18
	19	/* A very large screen! (probably should use malloc) */
	20	#define MAXCOLS 132
	21	#define MAXLINES 90
	22
	23	extern char screenmat[MAXCOLS][MAXLINES];