Function MayUsePenGradients

src/effects/DynamicRangeProcessorHistoryPanel.cpp:37–42

constexpr auto timerPeriodMs = 1000 / 200;

bool MayUsePenGradients()
{
   // MacOS doesn't cope well with pen gradients. (Freezes in debug and is
   // transperent in release.)
   return wxPlatformInfo::Get().GetOperatingSystemId() & wxOS_WINDOWS;
}

int GetActualCompressionLineWidth()
{