CallbackScaleBar Class Reference

Callback for identifying, for the scale bar of a map, various quantities. More...

#include <CallbackScaleBar.h>

Collaboration diagram for CallbackScaleBar:

Public Member Functions
	CallbackScaleBar ()
	Single constructor. More...
QStringList	axisCurvePointIdentifiers () const
	Points in axis curve. More...
CallbackSearchReturn	callback (const QString &curveName, const Point &point)
	Callback method. More...
double	scaleBarLength () const
	Length of scale bar. More...
QString	scaleBarPointIdentifier () const
	Identified axis point. More...

Detailed Description

Callback for identifying, for the scale bar of a map, various quantities.

Definition at line 17 of file CallbackScaleBar.h.

Constructor & Destructor Documentation

CallbackScaleBar()

CallbackScaleBar::CallbackScaleBar

(

)

Single constructor.

Definition at line 17 of file CallbackScaleBar.cpp.

                                   :
  m_scaleBarLength (0)
{
}

Member Function Documentation

axisCurvePointIdentifiers()

QStringList CallbackScaleBar::axisCurvePointIdentifiers

(

)

const

Points in axis curve.

Definition at line 22 of file CallbackScaleBar.cpp.

{
  return m_axisCurvePointIdentifiers;
}

callback()

CallbackSearchReturn CallbackScaleBar::callback	(	const QString &	curveName,
		const Point &	point
	)

Callback method.

Definition at line 27 of file CallbackScaleBar.cpp.

{
  LOG4CPP_DEBUG_S ((*mainCat)) << "CallbackScaleBar::callback"
                               << " curveName=" << curveName.toLatin1().data()
                               << " point=" << point.identifier().toLatin1().data();

  if (curveName == AXIS_CURVE_NAME) {

    bool isNonzeroX = (qAbs (point.posGraph ().x ()) > 0);
    bool isNonzeroY = (qAbs (point.posGraph ().y ()) > 0);
    
    if (isNonzeroX || isNonzeroY) {

      m_scaleBarPointIdentifier = point.identifier ();
      m_scaleBarLength = (isNonzeroX ?
                          point.posGraph ().x () :
                          point.posGraph ().y ());
    }

    m_axisCurvePointIdentifiers << point.identifier ();
  }

  return CALLBACK_SEARCH_RETURN_CONTINUE;
}

scaleBarLength()

double CallbackScaleBar::scaleBarLength

(

)

const

Length of scale bar.

Definition at line 53 of file CallbackScaleBar.cpp.

{
  return m_scaleBarLength;
}

scaleBarPointIdentifier()

QString CallbackScaleBar::scaleBarPointIdentifier

(

)

const

Identified axis point.

Definition at line 58 of file CallbackScaleBar.cpp.

{
  LOG4CPP_INFO_S ((*mainCat)) << "CallbackScaleBar::scaleBarPointIdentifier";

  return m_scaleBarPointIdentifier;
}

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The documentation for this class was generated from the following files:

• Callback/CallbackScaleBar.h
• Callback/CallbackScaleBar.cpp