static void display_hint(double scroll_amount)
{
if(!scroll_hint) {
Ewl_Embed *emb = ewl_embed_widget_find(pdfwidget);
scroll_hint = evas_object_line_add(emb->canvas);
evas_object_color_set(scroll_hint, 0, 200, 0, 255);
}
int y_coord = round(scroll_amount);
if(y_coord < 0) {
y_coord += CURRENT_H(scrollpane);
}
evas_object_line_xy_set(scroll_hint,
0, y_coord, CURRENT_W(scrollpane), y_coord);
evas_object_show(scroll_hint);
if(hint_timer) { // previously set, did not fire
ecore_timer_del(hint_timer);
}
hint_timer = ecore_timer_add(2.0, hide_hint, NULL);
}
void
ghost_line_redraw(Eina_List *data, double x, double y)
{
XY *xy;
Evas *e;
Drawing *d;
double x1, y1, x2, y2;
if (!data)
return;
e = shell->evas;
d = drawing;
if (!d)
return;
xy = (XY *) eina_list_last(data)->data;
x1 = w2s_x(xy->x);
y1 = w2s_y(xy->y);
x2 = w2s_x(x);
y2 = w2s_y(y);
evas_object_show(o_line);
evas_object_line_xy_set(o_line, x1, y1, x2, y2);
}
void
_line_item_xy(Evas *e,
Evas_Object *o,
double x1, double y1, double x2, double y2, double w)
{
int sn;
int i;
int is_poly = 0;
if ((x1 == x2) && (y1 == y2))
{
evas_object_hide(o);
return;
}
is_poly = (w > 1);
sn = shell->segnum;
sn = (w < sn) ? w / 2 : sn;
if (!sn)
sn = 1;
if (is_poly)
{
double xx1, yy1, xx2, yy2, an, x, y;
if (x2 > x1)
{
xx1 = x1;
yy1 = y1;
xx2 = x2;
yy2 = y2;
}
else
{
xx1 = x2;
yy1 = y2;
xx2 = x1;
yy2 = y1;
}
if (x2 - x1 != 0.0)
{
an = atan((y2 - y1) / (x2 - x1)) + M_PI / 2;
}
else
{
if (y2 - y1 <= 0)
{
an = M_PI;
}
else
{
an = 0;
}
}
evas_object_polygon_points_clear(o);
for (i = 0; i < sn + 1; i++)
{
x = xx1 + w / 2 * cos(an + i * M_PI / sn);
y = yy1 + w / 2 * sin(an + i * M_PI / sn);
evas_object_polygon_point_add(o, x, y);
}
for (i = sn; i >= 0; i--)
{
x = xx2 + w / 2 * cos(an - i * M_PI / sn);
y = yy2 + w / 2 * sin(an - i * M_PI / sn);
evas_object_polygon_point_add(o, x, y);
}
}
else
{
evas_object_line_xy_set(o, x1, y1, x2, y2);
}
}
