Piano: Ensure WaveWidget paints in-bounds

Letting GUI::Frame::paint_event() cover up your mistakes is tacky :P
luteresa · Feb 10, 2020 · 2a66878 · 2a66878
1 parent 60fdc6c
commit 2a66878
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/Applications/Piano/WaveWidget.cpp b/Applications/Piano/WaveWidget.cpp
@@ -47,8 +47,8 @@ int WaveWidget::sample_to_y(int sample) const
 {
  constexpr double sample_max = std::numeric_limits<i16>::max();
  double percentage = sample / sample_max;
- double portion_of_height = percentage * frame_inner_rect().height();
- int y = (frame_inner_rect().height() / 2) + portion_of_height;
+ double portion_of_half_height = percentage * ((frame_inner_rect().height() - 1) / 2.0);
+ double y = (frame_inner_rect().height() / 2.0) + portion_of_half_height;
  return y;
 }