int main (int argc, const char *argv[])
{
double a, b, l;
int i;
if (Pltdev == DEV_HPGL) {
Maxx = 10870;
Maxy = 7600;
Maxx = 15970;
Maxy = 10870;
}
else {
Maxx = 3800.0;
Maxy = 2550.0;
Maxx /= 1.4142;
Maxy /= 1.4142;
}
Homex = Maxx / 2.0;
Homey = Maxy / 2.0;
Pencol = BLACK;
if (Pltdev == DEV_HPGL)
printf ("SP%d;\n", Pencol);
else
printf ("IP1;PS%d;\n", Pencol);
a = Maxy / 4.0;
b = a / 3.0;
for (i = 0; i < 9; i++) {
l = (double)i;
switch (i % 4) {
case 0:
setpen (BLACK);
break;
case 1:
setpen (RED);
break;
case 2:
setpen (GREEN);
break;
case 3:
setpen (BLUE);
break;
}
drawlobes (a, b, l);
}
if (Pltdev == DEV_HPGL)
printf ("SP0;\n");
else
printf ("MA0,0;CH;\n");
return (0);
}
void draw_object(Canvas *canvas, Quark *q)
{
VPoint anchor;
DObject *o = object_get_data(q);
if (o == NULL) {
return;
}
if (Apoint2Vpoint(q, &o->ap, &anchor) != RETURN_SUCCESS) {
return;
}
anchor.x += o->offset.x;
anchor.y += o->offset.y;
setclipping(canvas, FALSE);
activate_bbox(canvas, BBOX_TYPE_TEMP, TRUE);
reset_bbox(canvas, BBOX_TYPE_TEMP);
switch (o->type) {
case DO_LINE:
{
DOLineData *l = (DOLineData *) o->odata;
VPoint vp1;
double x, y, co, si;
x = l->vector.x;
y = l->vector.y;
co = cos(M_PI/180.0*o->angle);
si = sin(M_PI/180.0*o->angle);
vp1.x = anchor.x + x*co - y*si;
vp1.y = anchor.y + x*si + y*co;
setline(canvas, &o->line);
DrawLine(canvas, &anchor, &vp1);
switch (l->arrow_end) {
case ARROW_AT_NONE:
break;
case ARROW_AT_BEGINNING:
draw_arrowhead(canvas, &vp1, &anchor, &l->arrow,
&o->line.pen, &o->fillpen);
break;
case ARROW_AT_END:
draw_arrowhead(canvas, &anchor, &vp1, &l->arrow,
&o->line.pen, &o->fillpen);
break;
case ARROW_AT_BOTH:
draw_arrowhead(canvas, &vp1, &anchor, &l->arrow,
&o->line.pen, &o->fillpen);
draw_arrowhead(canvas, &anchor, &vp1, &l->arrow,
&o->line.pen, &o->fillpen);
break;
}
}
break;
case DO_BOX:
{
DOBoxData *b = (DOBoxData *) o->odata;
if (o->angle == 0.0) {
VPoint vp1, vp2;
vp1.x = anchor.x - b->width/2;
vp2.x = anchor.x + b->width/2;
vp1.y = anchor.y - b->height/2;
vp2.y = anchor.y + b->height/2;
setpen(canvas, &o->fillpen);
DrawFilledRect(canvas, &vp1, &vp2);
setline(canvas, &o->line);
DrawRect(canvas, &vp1, &vp2);
} else {
VPoint vps[4];
double x, y, co, si;
x = b->width/2;
y = b->height/2;
co = cos(M_PI/180.0*o->angle);
si = sin(M_PI/180.0*o->angle);
vps[0].x = anchor.x + x*co - y*si;
vps[0].y = anchor.y + x*si + y*co;
vps[1].x = anchor.x - x*co - y*si;
vps[1].y = anchor.y - x*si + y*co;
vps[2].x = anchor.x - x*co + y*si;
vps[2].y = anchor.y - x*si - y*co;
vps[3].x = anchor.x + x*co + y*si;
vps[3].y = anchor.y + x*si - y*co;
setpen(canvas, &o->fillpen);
DrawPolygon(canvas, vps, 4);
setline(canvas, &o->line);
DrawPolyline(canvas, vps, 4, POLYLINE_CLOSED);
}
}
break;
case DO_ARC:
{
VPoint vp1, vp2;
DOArcData *e = (DOArcData *) o->odata;
vp1.x = anchor.x - e->width/2;
vp2.x = anchor.x + e->width/2;
vp1.y = anchor.y - e->height/2;
vp2.y = anchor.y + e->height/2;
setpen(canvas, &o->fillpen);
/* FIXME: implement true ellipse rotation! */
DrawFilledArc(canvas, &vp1, &vp2, e->angle1 + o->angle, e->angle2,
e->closure_type);
setline(canvas, &o->line);
DrawArc(canvas, &vp1, &vp2, e->angle1 + o->angle, e->angle2,
e->closure_type, e->draw_closure);
}
break;
case DO_NONE:
break;
}
get_bbox(canvas, BBOX_TYPE_TEMP, &o->bb);
}
