Affine Matrix helper. More...

#include <Matrix.h>

Public Member Functions
void	SetIdentity ()
	Set to identity matrix.

void	Set (const Matrix &other)
	Set to another matrix.

void	Set (float a, float b, float c, float d, float e, float f)
	Set from raw affine members.

bool	IsIdentity () const
	Whether or not this is an identity matrix.

bool	IsIdentityOrTranslation () const
	Whether or not this is an identity matrix or translation.

bool	IsSimple () const
	Whether or not this is an identity, translation, or non-negative uniform scale.

void	Translate (float x, float y)
	Translate by x and y.

void	Scale (float x, float y)
	Scale by x and y.

void	Rotate (float theta)
	Rotate matrix by theta (in degrees)

void	Rotate (float x, float y)
	Rotate matrix by x and y.

void	Transform (const Matrix &other)
	Transform (multiply) by another Matrix.

bool	GetInverse (Matrix &result) const
	Get the inverse of this matrix. More...

Point	Apply (const Point &p) const
	Transform point by this matrix and get the result.

Rect	Apply (const Rect &r) const
	Transform rect by this matrix and get the result as an axis-aligned rect.

uint32_t	Hash () const
	Get an integer hash of this matrix's members.

Detailed Description

Affine Matrix helper.

Definition at line 24 of file Matrix.h.

Member Function Documentation

bool ultralight::Matrix::GetInverse ( Matrix & result ) const

Get the inverse of this matrix.

May return false if not invertible.

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