OrdinalGenerator.cpp

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/******************************************************************************************************
 * (C) 2014 markummitchell@github.com. This file is part of Engauge Digitizer, which is released      *
 * under GNU General Public License version 2 (GPLv2) or (at your option) any later version. See file *
 * LICENSE or go to gnu.org/licenses for details. Distribution requires prior written permission.     *
 ******************************************************************************************************/
 
#include "CallbackPointOrdinal.h"
#include "Document.h"
#include "OrdinalGenerator.h"
#include "Transformation.h"
 
OrdinalGenerator::OrdinalGenerator ()
{
}
 
double OrdinalGenerator::generateAxisPointOrdinal (const Document &document)
{
  // Values that really only apply to curve points. These are set arbitrarily
  QPointF posScreen (0, 0);
  Transformation transformation;
 
  CallbackPointOrdinal ftor (document.modelCurveStyles().lineStyle(AXIS_CURVE_NAME),
                             transformation,
                             posScreen);
 
  Functor2wRet<const Point&, const Point&, CallbackSearchReturn> ftorWithCallback = functor_ret (ftor,
                                                                                                 &CallbackPointOrdinal::callback);
  document.iterateThroughCurveSegments (AXIS_CURVE_NAME,
                                        ftorWithCallback);
 
  return ftor.ordinal () + 1.0;
}
 
double OrdinalGenerator::generateCurvePointOrdinal (const Document &document,
                                                    const Transformation &transformation,
                                                    const QPointF &posScreen,
                                                    const QString &curveName)
{
  CallbackPointOrdinal ftor (document.modelCurveStyles().lineStyle(curveName),
                             transformation,
                             posScreen);
 
  Functor2wRet<const Point&, const Point&, CallbackSearchReturn> ftorWithCallback = functor_ret (ftor,
                                                                                                 &CallbackPointOrdinal::callback);
  document.iterateThroughCurveSegments (curveName,
                                        ftorWithCallback);
 
  return ftor.ordinal () + 1.0;
}