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Hopefully finally fix tempo curve flickering.

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This commit is contained in:
nick_m 2016-05-29 05:12:07 +10:00
parent 22e031135a
commit 0d7f73cb27
1 changed files with 3 additions and 3 deletions
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6
libs/canvas/framed_curve.cc
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@ -55,7 +55,7 @@ FramedCurve::set_points_per_segment (uint32_t n)
just need to schedule a redraw rather than notify the parent of any
changes
*/
points_per_segment = n;
points_per_segment = max (n, (uint32_t) 3);
interpolate ();
redraw ();
}
@ -187,13 +187,13 @@ FramedCurve::render (Rect const & area, Cairo::RefPtr<Cairo::Context> context) c
Points::size_type left = 0;
Points::size_type right = n_samples;
for (Points::size_type idx = 0; idx < n_samples; ++idx) {
for (Points::size_type idx = 0; idx < n_samples - 1; ++idx) {
window_space = item_to_window (Duple (samples[idx].x, 0.0));
if (window_space.x >= draw.x0) break;
left = idx;
}
for (Points::size_type idx = n_samples; idx > left + 2; --idx) {
for (Points::size_type idx = n_samples; idx > left + 1; --idx) {
window_space = item_to_window (Duple (samples[idx].x, 0.0));
if (window_space.x <= draw.x1) break;
right = idx;