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tentative intermediate state for ArdourCanvas::Curve
[ardour.git]
/
libs
/
canvas
/
poly_line.cc
diff --git
a/libs/canvas/poly_line.cc
b/libs/canvas/poly_line.cc
index 7118e47555d1e74d0f03752e5855ffe8fbd2d8c5..ae6d15a8fdceb25d0d81eda7ec3b7618f1a3de50 100644
(file)
--- a/
libs/canvas/poly_line.cc
+++ b/
libs/canvas/poly_line.cc
@@
-28,6
+28,7
@@
using namespace ArdourCanvas;
PolyLine::PolyLine (Group* parent)
: Item (parent)
, PolyItem (parent)
PolyLine::PolyLine (Group* parent)
: Item (parent)
, PolyItem (parent)
+ , _threshold (1.0)
{
}
{
}
@@
-59,7
+60,6
@@
PolyLine::covers (Duple const & point) const
/* repeat for each line segment */
const Rect visible (_canvas->visible_area());
/* repeat for each line segment */
const Rect visible (_canvas->visible_area());
- static const double threshold = 2.0;
for (i = 1, j = 0; i < npoints; ++i, ++j) {
for (i = 1, j = 0; i < npoints; ++i, ++j) {
@@
-82,10
+82,10
@@
PolyLine::covers (Duple const & point) const
double d = distance_to_segment_squared (p, a, b, t, at);
if (t < 0.0 || t > 1.0) {
double d = distance_to_segment_squared (p, a, b, t, at);
if (t < 0.0 || t > 1.0) {
-
return fals
e;
+
continu
e;
}
}
- if (d <
threshold
) {
+ if (d <
_threshold + _outline_width
) {
return true;
}
return true;
}
@@
-93,3
+93,9
@@
PolyLine::covers (Duple const & point) const
return false;
}
return false;
}
+
+void
+PolyLine::set_covers_threshold (double t)
+{
+ _threshold = t;
+}