space.c

来自「<B>Digital的Unix操作系统VAX 4.2源码</B>」· C语言 代码 · 共 22 行

#ifndef lint
static char sccsid[] = "@(#)space.c	4.1 (Berkeley) 6/27/83";
#endif

extern float botx;
extern float boty;
extern float obotx;
extern float oboty;
extern float scalex;
extern float scaley;
extern int scaleflag;
space(x0,y0,x1,y1){
	botx = 0.;
	boty = 0.;
	obotx = x0;
	oboty = y0;
	if(scaleflag)
		return;
	scalex = 3120./(x1-x0);
	scaley = 3120./(y1-y0);
}