Description of Transformer

class Transformer (Return to index)

a 3x2 matrix for use in translating 2d coordinates.

Type:

Instantiable
Derived Classes

Include file:

InterViews/transformer.h

Description:

in reference manual

man page

Public:

void GetEntries ( float& a00, float& a01, float& a10, float& a11, float& a20, float& a21 ) const

void InvTransform (IntCoord& tx, IntCoord& ty) const

void InvTransform ( IntCoord tx, IntCoord ty, IntCoord& x, IntCoord& y ) const

void InvTransform (float tx, float ty, float& x, float& y) const

void InvTransformList (IntCoord tx[], IntCoord ty[], int n) const

void InvTransformList ( IntCoord tx[], IntCoord ty[], int n, IntCoord x[], IntCoord y[] ) const

void InvTransformRect (IntCoord&, IntCoord&, IntCoord&, IntCoord&) const

void InvTransformRect (float&, float&, float&, float&) const

void Invert ()

void Postmultiply (Transformer* t)

void Premultiply (Transformer* t)

void Rotate (float angle)

boolean Rotated (float = 1e-6) const

boolean Rotated90 (float = 1e-6) const

void Scale (float sx, float sy)

boolean Scaled (float = 1e-6) const

boolean Stretched (float = 1e-6) const

void Transform (IntCoord& x, IntCoord& y) const

void Transform (IntCoord x, IntCoord y, IntCoord& tx, IntCoord& ty) const

void Transform (float x, float y, float& tx, float& ty) const

void TransformList (IntCoord x[], IntCoord y[], int n) const

void TransformList ( IntCoord x[], IntCoord y[], int n, IntCoord tx[], IntCoord ty[] ) const

void TransformRect (IntCoord&, IntCoord&, IntCoord&, IntCoord&) const

void TransformRect (float&, float&, float&, float&) const

Transformer ()

Transformer (const Transformer*)

Transformer ( float a00, float a01, float a10, float a11, float a20, float a21 )

void Translate (float dx, float dy)

boolean Translated (float = 1e-6) const

float det () const

void flipx ()

void flipy ()

boolean identity () const

virtual void inverse_transform (float& tx, float& ty) const

virtual void inverse_transform ( float tx, float ty, float& x, float& y ) const

virtual void invert ()

boolean invertible () const

virtual void matrix ( float& a00, float& a01, float& a10, float& a11, float& a20, float& a21 ) const

boolean operator != (const Transformer&) const

Transformer& operator = (const Transformer&)

boolean operator == (const Transformer&) const

virtual void postmultiply (const Transformer&)

virtual void premultiply (const Transformer&)

virtual void rotate (float angle)

virtual void scale (float sx, float sy)

virtual void skew (float sx, float sy)

virtual void transform (float& x, float& y) const

virtual void transform (float x, float y, float& tx, float& ty) const

virtual void translate (float dx, float dy)

boolean xflipped (float = 1e-6) const

boolean yflipped (float = 1e-6) const

virtual ~Transformer ()

(more documentation)