home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
GRIPS 2: Government Rast…rocessing Software & Data
/
GRIPS_2.cdr
/
dos
/
ncsa_tel
/
contribu
/
byu_tel2.hqx
/
tek
/
rghp.c
< prev
next >
Wrap
Text File
|
1989-05-17
|
2KB
|
133 lines
#ifndef lint
static char *SCCSid = "%W% (NCSA) %G%";
#endif
/*
rghp.c by Aaron Contorer for NCSA
Copyright 1987, board of trustees, University of Illinois
Routines for HP-GL plotter output. Only 1 window output at a time.
*/
#include <stdio.h>
#define TRUE 1
#define FALSE 0
static char *HPname = "Hewlett-Packard HP-GL plotter";
static char busy; /* is device already in use */
static int winbot,winleft,wintall,winwide;
/* position and size of window into virtual space */
static int (*outfunc)();
/* the function to call with pointer to strings */
static char HPtext[100];
/* the string containing the HP-GL output text */
static int HPpenx,HPpeny;
static int HPblank;
static int HPcolor;
static signore(s)
char *s;
/* Ignore the string pointer passed here. */
{}
RGHPoutfunc(f)
int (*f)();
/*
Specify the function that is to be called with pointers to all
the HP-GL strings.
*/
{
outfunc = f;
}
static HPbegin()
/* set up environment for whole new printout */
{
(*outfunc)("IN;SP1;SC-50,4370,-100,4120;PU0,0;");
HPpenx = HPpeny = 0;
}
int RGHPnewwin()
{
if (busy) return(-1);
HPtext[0] = '\0';
HPpenx = HPpeny = 0;
HPblank = TRUE;
HPcolor = 100;
return(0);
}
RGHPclrscr(w){
RGHPpagedone(w);
}
RGHPclose(w) {
RGHPclrscr(w);
busy=FALSE;
}
RGHPpoint(w,x,y) {
(*outfunc)("PD;PU;");
}
RGHPdrawline(w,x0,y0,x1,y1)
int w,x0,y0,x1,y1;
{
if (HPblank) {
HPbegin();
HPblank = FALSE;
}
if (x0 != HPpenx || y0 != HPpeny) {
/* only move pen if not already there */
sprintf(HPtext,"PU%d,%d;",x0, y0);
(*outfunc)(HPtext);
}
sprintf(HPtext,"PD%d,%d;",x1, y1);
(*outfunc)(HPtext);
HPpenx=x1;
HPpeny=y1;
}
RGHPpagedone(w) {
(*outfunc)("PG;");
HPblank = TRUE;
}
RGHPdataline(w,data,count) {}
RGHPpencolor(w,color) {
color &= 7;
if (color) {
sprintf(HPtext,"SP%d;",color);
(*outfunc)(HPtext);
}
}
RGHPcharmode(w,rotation,size) {}
RGHPshowcur() {}
RGHPlockcur() {}
RGHPhidecur() {}
RGHPbell(w) {}
RGHPuncover(w) {}
char *RGHPdevname() {
return(HPname);
}
RGHPinit() {
busy=FALSE;
outfunc=signore;
}
RGHPinfo(w,a,b,c,d,v) {}
RGHPgmode() {}
RGHPtmode() {}