#else
static const bool show_bg_fades = true;
#endif
-
+
XFadeCurve::XFadeCurve (Canvas* c)
: Item (c)
, points_per_segment (32)
_bounding_box = bbox.expand (1.0);
} else {
- _bounding_box = boost::optional<Rect> ();
+ _bounding_box = Rect ();
}
_bounding_box_dirty = false;
window_space = item_to_window (Duple (c.samples[idx].x, 0.0), false);
if (window_space.x >= area.x0) break;
}
- for (Points::size_type idx = c.n_samples; right > left;) {
+ for (Points::size_type idx = c.n_samples - 1; right > left;) {
if (--idx <= left) break;
window_space = item_to_window (Duple (c.samples[idx].x, 0.0), false);
if (window_space.x <= area.x1) break;
if (_in.points.size() < 2) { return; }
if (_out.points.size() < 2) { return; }
- Rect self = item_to_window (_bounding_box.get());
- boost::optional<Rect> d = self.intersection (area);
+ Rect self = item_to_window (_bounding_box);
+ Rect d = self.intersection (area);
assert (d);
- Rect draw = d.get ();
+ Rect draw = d;
context->save ();
context->rectangle (draw.x0, draw.y0, draw.width(), draw.height());
if (IS_START || show_background_fade) {
set_source_rgba (context, IS_START ? _outline_color : outline_shaded);
context->set_line_width (IS_START ? 1.0 : .5);
-
+
context->begin_new_path ();
context->append_path (*path_in);
context->stroke();