GeneratedUpdater.cpp

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/**********************************************************************
 
  Audacity: A Digital Audio Editor
 
  GeneratedUpdater.cpp
 
  Dominic Mazzoni
  Michael Papadopoulos split from Ruler.cpp
 
**********************************************************************/
 
 
#include "GeneratedUpdater.h"
 
bool GeneratedUpdater::Tick(wxDC& dc,
   int pos, double d, const TickSizes& tickSizes, wxFont font,
   // in/out:
   TickOutputs outputs,
   const RulerStruct& context) const
{
   const double mDbMirrorValue = context.mDbMirrorValue;
   const int mLength = context.mLength;
 
   const int mLeft = context.mLeft;
   const int mTop = context.mTop;
   const int mBottom = context.mBottom;
   const int mRight = context.mRight;
   const int mOrientation = context.mOrientation;
 
   const RulerStruct::Fonts& mFonts = *context.mpFonts;
   const TranslatableString mUnits = context.mUnits;
   const int spacing = (mOrientation == wxHORIZONTAL) ? 6 : 2;
   const bool mFlip = context.mFlip;
 
   // Bug 521.  dB view for waveforms needs a 2-sided scale.
   if ((mDbMirrorValue > 1.0) && (-d > mDbMirrorValue))
      d = -2 * mDbMirrorValue - d;
 
   // FIXME: We don't draw a tick if off end of our label arrays
   // But we shouldn't have an array of labels.
   if (outputs.labels.size() >= mLength)
      return false;
 
   Label lab;
   lab.value = d;
   lab.pos = pos;
   lab.text = tickSizes.LabelString(d, context.mpRulerFormat);
   lab.units = mUnits;
 
   const auto result = RulerUpdater::MakeTick(
      lab,
      dc, font,
      outputs.bits,
      mLeft, mTop, spacing, mFonts.lead,
      mFlip,
      mOrientation);
 
   auto& rect = result.first;
   outputs.box.Union(rect);
   outputs.labels.emplace_back(result.second);
   return !rect.IsEmpty();
}
 
GeneratedUpdater::~GeneratedUpdater() = default;