Function AlphaBlend

src/AdornedRulerPanel.cpp:2418–2427

}

static inline wxColour AlphaBlend(ColorId fg, ColorId bg, double alpha)
{
   const auto &fgc = theTheme.Colour(fg);
   const auto &bgc = theTheme.Colour(bg);
   return wxColour{
      wxColour::AlphaBlend(fgc.Red(), bgc.Red(), alpha),
      wxColour::AlphaBlend(fgc.Green(), bgc.Green(), alpha),
      wxColour::AlphaBlend(fgc.Blue(), bgc.Blue(), alpha)
   };
}

void AdornedRulerPanel::DoDrawBackground(wxDC * dc)
{