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Piano: Ensure WaveWidget paints in-bounds

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Letting GUI::Frame::paint_event() cover up your mistakes is tacky :P
This commit is contained in:
William McPherson 2020-02-09 21:18:23 +11:00 • committed by Andreas Kling
parent 60fdc6c9ab
commit 2a66878148
1 changed files with 2 additions and 2 deletions
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4
Applications/Piano/WaveWidget.cpp
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@ -47,8 +47,8 @@ int WaveWidget::sample_to_y(int sample) const
{ {
constexpr double sample_max = std::numeric_limits<i16>::max(); constexpr double sample_max = std::numeric_limits<i16>::max();
double percentage = sample / sample_max; double percentage = sample / sample_max;
double portion_of_height = percentage * frame_inner_rect().height(); double portion_of_half_height = percentage * ((frame_inner_rect().height() - 1) / 2.0);
int y = (frame_inner_rect().height() / 2) + portion_of_height; double y = (frame_inner_rect().height() / 2.0) + portion_of_half_height;
return y; return y;
} }