CLTransformation Class Reference

#include <CLTransformation.h>

Inheritance diagram for CLTransformation:

Collaboration diagram for CLTransformation:

Public Member Functions
	CLTransformation ()
	CLTransformation (const double matrix[12])
std::string	get3DTransformationString () const
virtual const double *	getMatrix () const
bool	is2DTransformation () const
bool	isIdentityMatrix () const
bool	isSetMatrix () const
virtual void	parseTransformation (const std::string &transformationString)
void	setMatrix (const double m[12])
Public Member Functions inherited from CLBase
	CLBase ()
	CLBase (const CLBase &b)
	CLBase (const SBase &)
const std::string &	getTag () const
bool	hasTag () const
virtual void	moveBy (const CLPoint &)
void	setTag (const std::string &tag)
virtual	~CLBase ()

Static Public Member Functions
static const double *	getIdentityMatrix ()

Static Public Attributes
static const double	IDENTITY3D [12] = {1.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0}

Protected Attributes
double	mMatrix [12]
Protected Attributes inherited from CLBase
std::string	mTag

Detailed Description

Definition at line 23 of file CLTransformation.h.

Constructor & Destructor Documentation

CLTransformation::CLTransformation

(

)

Default constructor. All matrix elements are set to NaN

Definition at line 28 of file CLTransformation.cpp.

References mMatrix.

                                  : CLBase()
{
  unsigned int i;

  for (i = 0; i < 12; ++i)
    {
      mMatrix[i] = std::numeric_limits<double>::quiet_NaN();
    }
}

CLTransformation::CLTransformation

(

const double

matrix[12]

)

Constructor with values for the matrix.

Constructor with id and values for the matrix.

Definition at line 41 of file CLTransformation.cpp.

References mMatrix.

                                                         : CLBase()
{
  unsigned int i;

  for (i = 0; i < 12; ++i)
    {
      mMatrix[i] = matrix[i];
    }
}

Member Function Documentation

std::string CLTransformation::get3DTransformationString

(

)

const

Returns a string to represent the 3D transformation.

Definition at line 125 of file CLTransformation.cpp.

References mMatrix.

Referenced by CCopasiXML::saveTransformationAttributes().

{
  // transform the matrix to a string
  std::ostringstream os;
  unsigned int i;
  os << mMatrix[0];

  for (i = 1; i < 12; ++i)
    {
      os << "," << mMatrix[i];
    }

  return os.str();
}

const double * CLTransformation::getIdentityMatrix ( )

static

Returns the 3D identity matrix. The matrix contains 12 values.

Definition at line 77 of file CLTransformation.cpp.

References IDENTITY3D.

Referenced by CLGroupAttributes::CLGroupAttributes(), and CLLayoutRenderer::draw_curve().

{
  return IDENTITY3D;
}

const double * CLTransformation::getMatrix ( ) const

virtual

Returns the matrix.

Returns the matrix. The matrix contains 12 values.

Definition at line 68 of file CLTransformation.cpp.

References mMatrix.

Referenced by CLLayoutRenderer::extract_transformation_attributes().

{
  return mMatrix;
}

bool CLTransformation::is2DTransformation

(

)

const

Checks if the transformation is a 2D transformation, i.e. we have to check some of the values.

Definition at line 112 of file CLTransformation.cpp.

References mMatrix.

Referenced by CCopasiXML::saveTransformationAttributes().

{
  return mMatrix[2] == 0.0 &&
         mMatrix[5] == 0.0 &&
         mMatrix[6] == 0.0 &&
         mMatrix[7] == 0.0 &&
         mMatrix[8] == 1.0 &&
         mMatrix[11] == 0.0;
}

bool CLTransformation::isIdentityMatrix

(

)

const

Returns true if the matrix is the identity matrix.

Definition at line 103 of file CLTransformation.cpp.

References IDENTITY3D, and mMatrix.

Referenced by CCopasiXML::saveTransformationAttributes().

{
  return !memcmp(mMatrix, CLTransformation::IDENTITY3D, sizeof(double)*12);
}

bool CLTransformation::isSetMatrix

(

)

const

Returns true if the matrix has been set or false otherwise.

Definition at line 87 of file CLTransformation.cpp.

References mMatrix.

Referenced by CLLayoutRenderer::extract_transformation_attributes(), CCopasiXML::saveTransformationAttributes(), and transform().

{
  bool result = true;
  unsigned int i;

  for (i = 0; result && i < 12; ++i)
    {
      result = (mMatrix[i] == mMatrix[i]);
    }

  return result;
}

void CLTransformation::parseTransformation ( const std::string &  transformationString )

virtual

Sets the transformation matrix from the given string. The string has to contain 12 numerical values seperated by ",". Otherwise the matrix is set to the identity matrix.

Reimplemented in CLTransformation2D.

Definition at line 145 of file CLTransformation.cpp.

References IDENTITY3D, mMatrix, and setMatrix().

Referenced by CLTransformation2D::parseTransformation().

{
  // the string should contain a list of 6 komma seperated numbers
  // if it doesn't, we try to set the 3D matrix
  bool result = true;
  std::string delimiter = ",";
  std::size_t lastPos = transformationString.find_first_not_of(delimiter);
  std::size_t pos;
  unsigned int index = 0;

  while (lastPos != std::string::npos)
    {
      if (index > 11)
        {
          result = false;
          break;
        }

      pos = transformationString.find_first_of(delimiter, lastPos);
      double value = strtod(transformationString.substr(lastPos, pos - lastPos).c_str(), NULL);
      mMatrix[index] = value;
      index++;
      lastPos = transformationString.find_first_not_of(delimiter, pos);
    }

  if (!result || index != 12)
    {
      this->setMatrix(CLTransformation::IDENTITY3D);
    }
}

void CLTransformation::setMatrix

(

const double

m[12]

)

Sets the matrix.

Definition at line 54 of file CLTransformation.cpp.

References mMatrix.

Referenced by parseTransformation(), and CLTransformation2D::setMatrix().

{
  unsigned int i;

  for (i = 0; i < 12; ++i)
    {
      mMatrix[i] = m[i];
    }
}

Member Data Documentation

const double CLTransformation::IDENTITY3D = {1.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0}

static

Definition at line 29 of file CLTransformation.h.

Referenced by CLTransformation2D::CLTransformation2D(), getIdentityMatrix(), isIdentityMatrix(), and parseTransformation().

double CLTransformation::mMatrix[12]

protected

Definition at line 26 of file CLTransformation.h.

Referenced by CLTransformation(), CLTransformation2D::CLTransformation2D(), get3DTransformationString(), getMatrix(), is2DTransformation(), isIdentityMatrix(), isSetMatrix(), parseTransformation(), setMatrix(), CLTransformation2D::updateMatrix2D(), and CLTransformation2D::updateMatrix3D().

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

• CLTransformation.h
• CLTransformation.cpp