CallbackDocumentHash Class Reference

Callback for DocumentHash value for a Document. More...

#include <CallbackDocumentHash.h>

Collaboration diagram for CallbackDocumentHash:

Public Member Functions
	CallbackDocumentHash (DocumentAxesPointsRequired documentAxesPointsRequired)
	Single constructor.
virtual	~CallbackDocumentHash ()
CallbackSearchReturn	callback (const QString &curveName, const Point &point)
	Callback method.
DocumentHash	hash () const
	Computed hash value.

Detailed Description

Callback for DocumentHash value for a Document.

Definition at line 19 of file CallbackDocumentHash.h.

Constructor & Destructor Documentation

CallbackDocumentHash()

CallbackDocumentHash::CallbackDocumentHash

(

DocumentAxesPointsRequired

documentAxesPointsRequired

)

Single constructor.

Definition at line 15 of file CallbackDocumentHash.cpp.

                                                                                                :
  m_documentAxesPointsRequired (documentAxesPointsRequired),
  m_documentHash (QCryptographicHash::Md5)
{
}

~CallbackDocumentHash()

CallbackDocumentHash::~CallbackDocumentHash ( )

virtual

Definition at line 21 of file CallbackDocumentHash.cpp.

{
}

Member Function Documentation

callback()

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

Callback method.

Definition at line 25 of file CallbackDocumentHash.cpp.

{
  // LOG4CPP_DEBUG_S is below
 
  // Capture all important information about the point into the hash. A single string representing all of the point's details is
  // created, which can be logged, and then that string is added to the hash
 
  QString details;
 
  details += curveName.toLatin1();
  details += " " + point.identifier ();
  details += " " + QPointFToString (point.posScreen());
 
  if (point.hasOrdinal ()) {
    details += " " + QString::number (point.ordinal ());
  }
 
  if (point.isAxisPoint()) {
 
    switch (m_documentAxesPointsRequired) {
    case DOCUMENT_AXES_POINTS_REQUIRED_2:
      // Axis point has same value for both coordinates so we chose one coordinate
      details += " " + QString::number (point.posGraph().x());
      break;
 
    case DOCUMENT_AXES_POINTS_REQUIRED_3:
      // Axis point has two coordinates
      details += " " + QPointFToString (point.posGraph());
      break;
 
    case DOCUMENT_AXES_POINTS_REQUIRED_4:
      // Axis point has one coordinate
      if (point.isXOnly()) {
 
        details += " " + QString::number (point.posGraph().x());
 
      } else {
 
        details += " " + QString::number (point.posGraph().y());
 
      }
      break;
    }
  }
 
  LOG4CPP_DEBUG_S ((*mainCat)) << "CallbackDocumentHash::callback details=" << details.toLatin1().data();
 
  // Add details to hash
  m_documentHash.addData (details.toLatin1());
 
  return CALLBACK_SEARCH_RETURN_CONTINUE;
}

hash()

DocumentHash CallbackDocumentHash::hash

(

)

const

Computed hash value.

Definition at line 79 of file CallbackDocumentHash.cpp.

{
  return m_documentHash.result ();
}

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

• Callback/CallbackDocumentHash.h
• Callback/CallbackDocumentHash.cpp