void
moving_spline(int x, int y)
{
elastic_moveline(new_s->points);
adjust_pos(x, y, fix_x, fix_y, &cur_x, &cur_y);
length_msg(MSG_DIST);
elastic_moveline(new_s->points);
}
static void
place_spline(int x, int y)
{
elastic_moveline(new_s->points);
/* erase last lengths if appres.showlengths is true */
erase_lengths();
place_spline_x(x, y);
}
static void
array_place_spline(int x, int y)
{
int i, j, delta_x, delta_y, start_x, start_y;
int nx, ny;
F_spline *save_spline;
elastic_moveline(new_s->points);
/* erase last lengths if appres.showlengths is true */
erase_lengths();
tail(&objects, &object_tails);
save_spline = new_s;
if ((!cur_numxcopies) && (!cur_numycopies)) {
place_spline(x, y);
} else {
delta_x = cur_x - fix_x;
delta_y = cur_y - fix_y;
start_x = cur_x - delta_x;
start_y = cur_y - delta_y;
if ((cur_numxcopies < 2) && (cur_numycopies < 2)) { /* special cases */
if (cur_numxcopies > 0) {
place_spline_x(start_x+delta_x, start_y);
new_s = copy_spline(cur_s);
}
if (cur_numycopies > 0) {
place_spline_x(start_x, start_y+delta_y);
new_s = copy_spline(cur_s);
}
} else {
nx = cur_numxcopies;
if (nx == 0)
nx++;
ny = cur_numycopies;
if (ny == 0)
ny++;
for (i = 0, x = start_x; i < nx; i++, x+=delta_x) {
for (j = 0, y = start_y; j < ny; j++, y+=delta_y) {
if (i || j ) {
place_spline_x(x, y);
new_s = copy_spline(cur_s);
}
}
}
}
}
/* put all new splines in the saved objects structure for undo */
saved_objects.splines = save_spline;
set_action_object(F_ADD, O_ALL_OBJECT);
/* turn back on all relevant markers */
update_markers(new_objmask);
}
void
init_splinedragging(F_spline *s, int x, int y)
{
new_s = s;
cur_x = fix_x = x;
cur_y = fix_y = y;
canvas_locmove_proc = moving_spline;
canvas_ref_proc = elastic_movenewspline;
canvas_leftbut_proc = place_spline;
canvas_middlebut_proc = array_place_spline;
canvas_rightbut_proc = cancel_spline;
set_action_on();
elastic_moveline(new_s->points);
}
void
cancel_line_drawing(int a, int b)
{
elastic_line();
/* erase last lengths if appres.showlengths is true */
erase_lengths();
cur_x = fix_x;
cur_y = fix_y;
if (cur_point != first_point)
elastic_moveline(first_point); /* erase control vector */
free_points(first_point);
first_point = NULL;
return_proc();
draw_mousefun_canvas();
}
static void
cancel_spline(void)
{
canvas_ref_proc = canvas_locmove_proc = null_proc;
elastic_moveline(new_s->points);
/* erase last lengths if appres.showlengths is true */
erase_lengths();
if (return_proc == copy_selected) {
free_spline(&new_s);
} else {
list_add_spline(&objects.splines, new_s);
redisplay_spline(new_s);
}
/* turn back on all relevant markers */
update_markers(new_objmask);
(*return_proc) ();
draw_mousefun_canvas();
}
void
init_linedragging(F_line *l, int x, int y)
{
int xmin, ymin, xmax, ymax;
new_l = l;
cur_x = fix_x = x;
cur_y = fix_y = y;
canvas_locmove_proc = moving_line;
canvas_ref_proc = elastic_movenewline;
canvas_leftbut_proc = place_line;
canvas_middlebut_proc = array_place_line;
canvas_rightbut_proc = cancel_line;
set_action_on();
if (l->type == T_BOX || l->type == T_ARCBOX || l->type == T_PICTURE) {
line_bound(l, &xmin, &ymin, &xmax, &ymax);
get_links(xmin, ymin, xmax, ymax);
}
elastic_moveline(new_l->points);
}
void
elastic_movenewspline(void)
{
elastic_moveline(new_s->points);
}
void
elastic_movenewline(void)
{
elastic_moveline(new_l->points);
}
void
create_lineobject(int x, int y)
{
F_line *line;
F_compound *comp;
int dot;
if (num_point == 0) {
if ((first_point = create_point()) == NULL) {
line_drawing_selected();
draw_mousefun_canvas();
return;
}
cur_point = first_point;
first_point->x = fix_x = cur_x = x;
first_point->y = fix_y = cur_y = y;
first_point->next = NULL;
num_point++;
} else if (x != fix_x || y != fix_y) {
get_intermediatepoint(x, y, 0);
}
/* dimension line must have 2 different points */
if (dimension_line && first_point->x == x && first_point->y == y)
return;
dot = (num_point == 1);
elastic_line();
/* erase any length info if appres.showlengths is true */
erase_lengths();
if ((line = create_line()) == NULL) {
line_drawing_selected();
draw_mousefun_canvas();
return;
}
line->type = T_POLYLINE;
line->style = cur_linestyle;
line->thickness = cur_linewidth;
line->pen_color = cur_pencolor;
line->fill_color = cur_fillcolor;
line->depth = cur_depth;
line->pen_style = -1;
line->join_style = cur_joinstyle;
line->cap_style = cur_capstyle;
line->fill_style = cur_fillstyle;
line->style_val = cur_styleval * (cur_linewidth + 1) / 2;
line->points = first_point;
if (!dot) {
if (cur_mode == F_POLYGON) { /* close off polygon */
line->type = T_POLYGON;
num_point++;
append_point(first_point->x, first_point->y, &cur_point);
elastic_line();
fix_x = first_point->x;
fix_y = first_point->y;
elastic_line(); /* fix last elastic line */
} else { /* polyline; draw any arrows */
if (autoforwardarrow_mode && !dimension_line)
line->for_arrow = forward_arrow();
/* arrow will be drawn in draw_line below */
if (autobackwardarrow_mode && !dimension_line)
line->back_arrow = backward_arrow();
/* arrow will be drawn in draw_line below */
}
cur_x = fix_x;
cur_y = fix_y;
elastic_moveline(first_point); /* erase temporary outline */
}
if (dimension_line) {
comp = create_dimension_line(line, True);
reset_action_on(); /* this signals redisplay_curobj() not to refresh */
/* draw it and anything on top of it */
redisplay_compound(comp);
} else {
add_line(line);
reset_action_on(); /* this signals redisplay_curobj() not to refresh */
/* draw it and anything on top of it */
redisplay_line(line);
}
line_drawing_selected();
if (!edit_remember_dimline_mode)
draw_mousefun_canvas();
}