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Piano: Add nice scale factor to WaveWidget

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William McPherson 2020-02-09 21:27:19 +11:00 • committed by Andreas Kling
commit 255edcb525
Notes: sideshowbarker 2024-07-19 09:28:50 +09:00
1 changed files with 2 additions and 0 deletions
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2
Applications/Piano/WaveWidget.cpp
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@ -45,6 +45,8 @@ WaveWidget::~WaveWidget()
int WaveWidget::sample_to_y(int sample) const int WaveWidget::sample_to_y(int sample) const
{ {
constexpr int nice_scale_factor = 4;
sample *= nice_scale_factor;
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_half_height = percentage * ((frame_inner_rect().height() - 1) / 2.0); double portion_of_half_height = percentage * ((frame_inner_rect().height() - 1) / 2.0);