static void
transform_lib_obj(XKeyEvent *kpe, unsigned char c, KeySym keysym)
{
int x,y;
x = cur_x;
y = cur_y;
/* first erase the existing image */
put_draw(ERASE);
if (c == 'r') {
rotn_dirn = 1;
act_rotnangle = 90;
rotate_compound(new_c, x, y);
} else if (c == 'l') {
rotn_dirn = -1;
act_rotnangle = 90;
rotate_compound(new_c, x, y);
} else if (c == 'h') {
flip_compound(new_c, x, y, LR_FLIP);
} else if (c == 'v') {
flip_compound(new_c, x, y, UD_FLIP);
} else if (c == 's') {
scale_compound(new_c, 0.9, 0.9, x, y);
} else if (c == 'S') {
scale_compound(new_c, 1.1, 1.1, x, y);
} /* if not any of the above characters, ignore it */
/* and draw the new image */
put_draw(PAINT);
}
static void
init_flipcompound(F_compound *old_c, int px, int py)
{
F_compound *new_c;
set_temp_cursor(wait_cursor);
new_c = copy_compound(old_c);
flip_compound(new_c, px, py, flip_axis);
if (copy) {
add_compound(new_c);
} else {
toggle_compoundmarker(old_c);
draw_compoundelements(old_c, ERASE);
change_compound(old_c, new_c);
}
/* redisplay objects under this object before it was rotated */
redisplay_compound(old_c);
/* and this object and any other objects on top */
redisplay_compound(new_c);
reset_cursor();
}
void flip_compound(F_compound *c, int x, int y, int flip_axis)
{
F_line *l;
F_arc *a;
F_ellipse *e;
F_spline *s;
F_text *t;
F_compound *c1;
int p, q;
switch (flip_axis) {
case UD_FLIP: /* x axis */
p = y + (y - c->nwcorner.y);
q = y + (y - c->secorner.y);
c->nwcorner.y = min2(p, q);
c->secorner.y = max2(p, q);
break;
case LR_FLIP: /* y axis */
p = x + (x - c->nwcorner.x);
q = x + (x - c->secorner.x);
c->nwcorner.x = min2(p, q);
c->secorner.x = max2(p, q);
break;
}
for (l = c->lines; l != NULL; l = l->next)
flip_line(l, x, y, flip_axis);
for (a = c->arcs; a != NULL; a = a->next)
flip_arc(a, x, y, flip_axis);
for (e = c->ellipses; e != NULL; e = e->next)
flip_ellipse(e, x, y, flip_axis);
for (s = c->splines; s != NULL; s = s->next)
flip_spline(s, x, y, flip_axis);
for (t = c->texts; t != NULL; t = t->next)
flip_text(t, x, y, flip_axis);
for (c1 = c->compounds; c1 != NULL; c1 = c1->next)
flip_compound(c1, x, y, flip_axis);
}
