: PolyItem (c)
, n_samples (0)
, points_per_segment (16)
- , curve_fill (None)
+ , curve_fill (Inside)
{
}
: PolyItem (parent)
, n_samples (0)
, points_per_segment (16)
- , curve_fill (None)
+ , curve_fill (Inside)
{
}
}
samples.clear ();
- InterpolatedCurve::interpolate (curve_points, points_per_segment, CatmullRomCentripetal, false, samples);
- n_samples = samples.size();
+ if (_points.size() == 3) {
+ samples.push_back (curve_points.front());
+ samples.push_back (curve_points.back());
+ n_samples = 2;
+ } else {
+ InterpolatedCurve::interpolate (curve_points, points_per_segment, CatmullRomCentripetal, false, samples);
+ n_samples = samples.size();
+ }
}
void
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;
/* Our approach is to always draw n_segments across our total size.
*
}
setup_outline_context (context);
-
if (_points.size() == 3) {
/* straight line */
Duple window_space;
Points::const_iterator it = _points.begin();
+
+ Duple first_point = Duple (0.0, 0.0);
+ Duple last_point = Duple (0.0, 0.0);
+
window_space = item_to_window (*it);
- context->move_to (window_space.x, window_space.y);
+ if (window_space.x <= draw.x0) {
+ first_point = Duple (draw.x0, window_space.y);
+ } else {
+ first_point = Duple (window_space.x, window_space.y);
+ }
+ context->move_to (first_point.x, first_point.y);
+
++it;
window_space = item_to_window (*it, false);
- context->line_to (window_space.x, window_space.y);
+ if (window_space.x <= draw.x0) {
+ context->line_to (draw.x0, window_space.y);
+ } else {
+ context->line_to (window_space.x, window_space.y);
+ }
+
window_space = item_to_window (_points.back(), false);
- context->line_to (window_space.x, window_space.y);
+ if (window_space.x >= draw.x1) {
+ last_point = Duple (draw.x1, window_space.y);
+ } else {
+ last_point = Duple (window_space.x, window_space.y);
+ }
+
+ context->line_to (last_point.x, last_point.y);
switch (curve_fill) {
case None:
break;
case Inside:
context->stroke_preserve ();
- window_space = item_to_window (Duple(_points.back().x, draw.height()));
- context->line_to (window_space.x, window_space.y);
- window_space = item_to_window (Duple(_points.front().x, draw.height()));
- context->line_to (window_space.x, window_space.y);
+ window_space = item_to_window (Duple(0.0, draw.height()));
+ context->line_to (last_point.x, window_space.y);
+ window_space = item_to_window (Duple(0.0, draw.height()));
+ context->line_to (first_point.x, window_space.y);
context->close_path();
setup_fill_context(context);
context->fill ();
case Outside:
context->stroke_preserve ();
window_space = item_to_window (Duple(_points.back().x, 0.0));
- context->line_to (window_space.x, window_space.y);
+ context->line_to (last_point.x, window_space.y);
window_space = item_to_window (Duple(_points.front().x, 0.0));
- context->line_to (window_space.x, window_space.y);
+ context->line_to (first_point.x, window_space.y);
context->close_path();
setup_fill_context(context);
context->fill ();
break;
}
} else {
-
/* curve of at least 3 points */
/* find left and right-most sample */
break;
case Inside:
context->stroke_preserve ();
- /* close the frame, possibly using the last _point's x rather than samples[right].x */
+ /* close the sample, possibly using the last _point's x rather than samples[right].x */
window_space = item_to_window (Duple (last_sample.x, draw.height()));
context->line_to (window_space.x, window_space.y);
window_space = item_to_window (Duple (first_sample.x, draw.height()));