void
constrained_resizing_ebd(int x, int y)
{
elastic_ebd();
adjust_box_pos(x, y, from_x, from_y, &cur_x, &cur_y);
length_msg(MSG_DIAM);
elastic_ebd();
}
void
resizing_ebd(int x, int y)
{
elastic_ebd();
cur_x = x;
cur_y = y;
length_msg(MSG_DIAM);
elastic_ebd();
}
static void
fix_movedellipsepoint(int x, int y)
{
switch (cur_e->type) {
case T_ELLIPSE_BY_RAD:
elastic_ebr();
break;
case T_CIRCLE_BY_RAD:
elastic_cbr();
break;
case T_ELLIPSE_BY_DIA:
elastic_ebd();
break;
case T_CIRCLE_BY_DIA:
elastic_cbd();
break;
}
canvas_ref_proc = canvas_locmove_proc = null_proc;
adjust_box_pos(x, y, from_x, from_y, &cur_x, &cur_y);
new_e = copy_ellipse(cur_e);
relocate_ellipsepoint(new_e, cur_x, cur_y, movedpoint_num);
change_ellipse(cur_e, new_e);
/* redraw anything under the old ellipse */
redisplay_ellipse(cur_e);
/* and the new one */
redisplay_ellipse(new_e);
/* turn back on all relevant markers */
update_markers(new_objmask);
wrapup_movepoint();
}
static void
cancel_movedellipsepoint(void)
{
canvas_ref_proc = canvas_locmove_proc = null_proc;
/* erase elastic version */
switch (cur_e->type) {
case T_ELLIPSE_BY_RAD:
elastic_ebr();
break;
case T_CIRCLE_BY_RAD:
elastic_cbr();
break;
case T_ELLIPSE_BY_DIA:
elastic_ebd();
break;
case T_CIRCLE_BY_DIA:
elastic_cbd();
break;
}
/* redraw original ellipse */
redisplay_ellipse(cur_e);
/* turn back on all relevant markers */
update_markers(new_objmask);
wrapup_movepoint();
}
static void
cancel_ellipsebydia(void)
{
elastic_ebd();
center_marker(fix_x, fix_y);
circle_ellipse_bydiameter_drawing_selected();
draw_mousefun_canvas();
}
static void
init_ellipsebydiameter_drawing(int x, int y)
{
cur_mode = F_ELLIPSE_BY_DIA;
cur_x = fix_x = x;
cur_y = fix_y = y;
cur_angle = cur_elltextangle/180.0*M_PI;
center_marker(fix_x, fix_y);
set_mousefun("final corner", "final corner", "cancel", "", "", "");
draw_mousefun_canvas();
canvas_locmove_proc = resizing_ebd;
canvas_leftbut_proc = create_ellipsebydia;
canvas_middlebut_proc = create_ellipsebydia;
canvas_rightbut_proc = cancel_ellipsebydia;
set_cursor(null_cursor);
elastic_ebd();
set_action_on();
}
static void
create_ellipsebydia(int x, int y)
{
F_ellipse *ellipse;
elastic_ebd();
center_marker(fix_x, fix_y);
if ((ellipse = create_ellipse()) == NULL)
return;
ellipse->type = T_ELLIPSE_BY_DIA;
ellipse->style = cur_linestyle;
ellipse->thickness = cur_linewidth;
ellipse->style_val = cur_styleval * (cur_linewidth + 1) / 2;
ellipse->angle = cur_elltextangle/180.0*M_PI; /* convert to radians */
ellipse->pen_color = cur_pencolor;
ellipse->fill_color = cur_fillcolor;
ellipse->depth = cur_depth;
ellipse->pen_style = -1;
ellipse->fill_style = cur_fillstyle;
ellipse->direction = 1;
ellipse->center.x = (fix_x + x) / 2;
ellipse->center.y = (fix_y + y) / 2;
ellipse->radiuses.x = abs(ellipse->center.x - fix_x);
ellipse->radiuses.y = abs(ellipse->center.y - fix_y);
ellipse->start.x = fix_x;
ellipse->start.y = fix_y;
ellipse->end.x = x;
ellipse->end.y = y;
ellipse->next = NULL;
add_ellipse(ellipse);
reset_action_on(); /* this signals redisplay_curobj() not to refresh */
/* draw it and anything on top of it */
redisplay_ellipse(ellipse);
circle_ellipse_bydiameter_drawing_selected();
draw_mousefun_canvas();
}