LibBoard::Transform Struct Reference

base class for transforms. More...

#include <Board/Transforms.h>

Inheritance diagram for LibBoard::Transform:

Public Member Functions
	Transform ()
virtual	~Transform ()
virtual double	mapX (double x) const
virtual double	mapY (double y) const =0
virtual void	apply (double &x, double &y) const
virtual double	scale (double x) const
virtual double	rounded (double x) const
virtual void	setBoundingBox (const Rect &rect, const double pageWidth, const double pageHeight, const double margin)=0

Static Public Member Functions
static double	round (const double &x)

Protected Attributes
double	_scale
double	_deltaX
double	_deltaY
double	_height

Detailed Description

base class for transforms.

The base class for transforms.

Definition at line 31 of file Transforms.h.

Constructor & Destructor Documentation

Transform()

LibBoard::Transform::Transform ( )

inline

~Transform()

virtual LibBoard::Transform::~Transform ( )

inlinevirtual

Definition at line 34 of file Transforms.h.

{ };

Member Function Documentation

apply()

void LibBoard::Transform::apply ( double & x, double & y ) const

virtual

Definition at line 51 of file Transforms.cpp.

{
  x = mapX( x );
  y = mapY( y );
}

References mapX(), and mapY().

mapX()

double LibBoard::Transform::mapX ( double x ) const

virtual

Definition at line 39 of file Transforms.cpp.

{
  return rounded( x * _scale + _deltaX );
}

References _deltaX, _scale, and rounded().

Referenced by apply().

mapY()

virtual double LibBoard::Transform::mapY ( double y ) const

pure virtual

Implemented in LibBoard::TransformCairo, LibBoard::TransformEPS, LibBoard::TransformFIG, and LibBoard::TransformSVG.

Referenced by apply().

round()

static double LibBoard::Transform::round ( const double & x )

inlinestatic

Referenced by LibBoard::TransformFIG::mapDepth(), LibBoard::TransformCairo::mapWidth(), LibBoard::TransformFIG::mapWidth(), LibBoard::TransformSVG::mapWidth(), rounded(), LibBoard::TransformCairo::rounded(), LibBoard::TransformFIG::rounded(), and LibBoard::TransformSVG::rounded().

rounded()

double LibBoard::Transform::rounded ( double x ) const

virtual

Reimplemented in LibBoard::TransformCairo, LibBoard::TransformFIG, and LibBoard::TransformSVG.

Definition at line 33 of file Transforms.cpp.

{
  return Transform::round( 1000000*x ) / 1000000;
} 

References round().

Referenced by mapX(), LibBoard::TransformEPS::mapY(), and scale().

scale()

double LibBoard::Transform::scale ( double x ) const

virtual

Definition at line 45 of file Transforms.cpp.

{
  return rounded( x * _scale );
}

References _scale, and rounded().

setBoundingBox()

virtual void LibBoard::Transform::setBoundingBox ( const Rect & rect, const double pageWidth, const double pageHeight, const double margin )

pure virtual

Implemented in LibBoard::TransformCairo, LibBoard::TransformEPS, LibBoard::TransformFIG, and LibBoard::TransformSVG.

Field Documentation

_deltaX

double LibBoard::Transform::_deltaX

protected

Definition at line 49 of file Transforms.h.

Referenced by mapX(), LibBoard::TransformCairo::setBoundingBox(), LibBoard::TransformEPS::setBoundingBox(), LibBoard::TransformFIG::setBoundingBox(), and LibBoard::TransformSVG::setBoundingBox().

_deltaY

double LibBoard::Transform::_deltaY

protected

Definition at line 50 of file Transforms.h.

Referenced by LibBoard::TransformCairo::mapY(), LibBoard::TransformEPS::mapY(), LibBoard::TransformFIG::mapY(), LibBoard::TransformSVG::mapY(), LibBoard::TransformCairo::setBoundingBox(), LibBoard::TransformEPS::setBoundingBox(), LibBoard::TransformFIG::setBoundingBox(), and LibBoard::TransformSVG::setBoundingBox().

_height

double LibBoard::Transform::_height

protected

Definition at line 51 of file Transforms.h.

Referenced by LibBoard::TransformCairo::mapY(), LibBoard::TransformFIG::mapY(), LibBoard::TransformSVG::mapY(), LibBoard::TransformCairo::setBoundingBox(), LibBoard::TransformEPS::setBoundingBox(), LibBoard::TransformFIG::setBoundingBox(), and LibBoard::TransformSVG::setBoundingBox().

_scale

double LibBoard::Transform::_scale

protected

Definition at line 48 of file Transforms.h.

Referenced by mapX(), LibBoard::TransformCairo::mapY(), LibBoard::TransformEPS::mapY(), LibBoard::TransformFIG::mapY(), LibBoard::TransformSVG::mapY(), scale(), LibBoard::TransformCairo::setBoundingBox(), LibBoard::TransformEPS::setBoundingBox(), LibBoard::TransformFIG::setBoundingBox(), and LibBoard::TransformSVG::setBoundingBox().

---

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

• Transforms.h
• Transforms.cpp