Category : Printer Utilities
Archive   : HPGL2PS.ZIP
Filename : DXYCOM.C

/* dxycom.c */
#include "defn.h"

dxycom(op)
char op;
{
int intval;

switch (op)
{
case 'H': /* HOME */
case 'h':
break;

case 'D': /* DRAW */
case 'd':
plotps(DRAW);
break;

case 'M': /* MOVE */
case 'm':
plotps(MOVE);
break;

case 'I': /* RELATIVE DRAW */
case 'i':
plotps(RDRAW);
break;

case 'R': /* RELATIVE MOVE */
case 'r':
plotps(RMOVE);
break;

case 'L': /* LINE TYPE */
case 'l':
linetype(LINETYPE);
break;

case 'B': /* LINE SCALE */
case 'b':
linetype(LINESCALE);
break;

case 'X': /* AXIS */
case 'x':
{
int p, q, r;

p = rint(getval());
q = rint(getval());
r = rint(getval());
fprintf(stderr, "Warning %c not implemented yet\n", op);
}
break;

case 'P': /* PRINT */
case 'p':
textps(TEXT);
break;

case 'S': /* ALPHA SCALE */
case 's':
{
int n;

if (SIGNED_NUMERIC)
n = rint(getval());
else
n = 3;
char_height = (n + 1) * 0.8 * SCALE;
char_width = (n + 1) * 0.4 * SCALE;
char_space = (n + 1) * 0.2 * SCALE;
}
printf("/%s %g %g %g DefFont\n",
font, char_width, char_height, char_slant);
break;

case 'Q': /* ALPHA ROTATE */
case 'q':
intval = rint(getval());
switch (intval)
{
case 0:
char_angle = 0.0;
break;

case 1:
char_angle = 90.0;
break;

case 2:
char_angle = 180.0;
break;

case 3:
char_angle = 270.0;
break;
}
break;

case 'N': /* MARK */
case 'n':
textps(MARK);
break;

case 'J': /* PEN CHANGE */
case 'j':
linesize();
break;

case 'C': /* CIRCLE */
case 'c':
circle(CIRCLE);
break;

case 'E': /* RELATIVE CIRCLE */
case 'e':
circle(RCIRCLE);
break;

case 'A': /* CIRCLE CENTER */
case 'a':
circle(CCIRCLE);
break;

case 'G': /* ARC + CIRCLE */
case 'g':
circle(ACIRCLE);
break;

case 'K': /* SEGMENT AND INDICATION LINES FOR CIRCLES */
case 'k':
circle(SCIRCLE);
break;

case 'T': /* HATCHING */
case 't':
rectangle();
break;

case '^': /* CALL HP-GL / RD-GL COMMANDS */
end_draw();
if ((ch = getc(stream)) != EOF)
hpglcom(ch);
break;

default:
fprintf(stderr, "Warning: %c Unknown DXY command\n", op);
break;
}
}

int rint(x)
float(x);
{
if( x < 0.)
return((int)(x+.5));
else
return((int)(x-.5));
}