static void circle(int x0, int y0, int r1, int r2, int arg1, int arg2)
{
int x, y;
unsigned int width, height;
arg1 /= 10;
arg2 /= 10;
width = normx(abs(r1 * cos((double) arg1)));
height = normx(abs(r2 * sin((double) arg2)));
x = normx(x0) - width;
y = normy(y0) - height;
width *= 2;
height *= 2;
XDrawArc(display, main_window, gc, x, y,
width, height, arg1 * 64, arg2 * 64);
}
static void _send(Cord * buf)
{
if (sp == SIZE)
_flush();
points[sp].x = normx(buf->x);
points[sp++].y = normy(buf->y);
}
static int polyg(int type)
{
int x, y, w, h;
scanf("%d %d %d %d", &x, &y, &w, &h);
dplot(type, normx(x), normy(y + h), norm(w), norm(h));
return (0);
}
static void hatching(int type)
{
int n;
int frame;
int d, angle;
scanf("%d %d", &d, &angle);
for (n = 0; _getcord(&pb); n++) {
points[n].x = normx(pb.x);
points[n].y = normy(pb.y);
}
points[n].x = points[0].x;
points[n].y = points[0].y;
switch (type -= 20) {
case 1:
frame = 1;
type = -1;
break;
case 2:
frame = 0;
type = -1;
break;
case 3:
frame = 1;
type = -1;
break;
default:
if (type < 0) {
frame = 0;
type = -type;
} else
frame = 1;
break;
}
polyline(points, frame, type, n);
}
void plot(void)
{
int c;
int w, n, xmin, ymin, xmax, ymax;
int x0, y0, r1, r2, arg1, arg2;
while ((c = getchar()) != EOF) {
switch (c) {
case 'M':
scanf("%d %d", &pb.x, &pb.y);
_move(pb.x, pb.y);
break;
case 'D':
_line();
break;
case '%':
scanf("%d", &n);
hatching(n);
break;
/* polyg(n); break;
*/
case 'P':
get_str();
break;
case 'S':
scanf("%d", &ch);
break;
case 'Q':
scanf("%d", &cw);
break;
case 'R':
scanf("%d", &th);
th = (th == 0) ? 0 : 1;
break;
case 'L':
scanf("%d", &w);
line_type(w);
break;
case 'K':
scanf("%d", &w);
join_type(w);
break;
case 'W':
scanf("%d %d %d %d %d %d", &x0, &y0, &r1, &r2, &arg1, &arg2);
circle(x0, y0, r1, r2, arg1, arg2);
break;
case 'N':
scanf("%d", &w);
mark(w);
break;
case 'J':
scanf("%d", &w);
newpen(w);
break;
case '\\':
scanf("%d %d", &xmin, &ymin);
break;
case 'Z':
scanf("%d %d", &xmax, &ymax);
if (!landscape) {
if (xmax > XLENG)
xmax = XLENG;
if (ymax > YLENG)
ymax = YLENG;
} else {
if (xmax > YLENG)
xmax = YLENG;
if (ymax > XLENG)
ymax = XLENG;
}
clip(normx(xmin), normy(ymax), normx(xmax), normy(ymin));
break;
case ';':
case ':':
break;
default:
break;
}
}
}
static void _move(int x, int y)
{
points[0].x = normx(x);
points[0].y = normy(y);
}
