BresenhamLine Class Reference

Line rasterization algorithm for drawing lines to the display. More...

#include <Bresenham.hpp>

Collaboration diagram for BresenhamLine:

Classes
struct	Pixel

Public Types
using	pint = int16_t

Public Member Functions
	BresenhamLine (Pixel start, int cos, int sin)
	BresenhamLine (Pixel start, float angle)
pint	getCurrentLength () const
Pixel	next ()

Static Public Member Functions
static int	cos (double angle)
static int	sin (double angle)

Private Attributes
Pixel	px
int	dx
int	dy
int	adx
int	ady
int	xinc
int	yinc
bool	steep
int	error
pint	length = 0

Static Private Attributes
const static int	errorScalingFactor = INT_MAX / 2

Detailed Description

Line rasterization algorithm for drawing lines to the display.

Definition at line 16 of file Bresenham.hpp.

Member Typedef Documentation

pint

using BresenhamLine::pint = int16_t

Definition at line 18 of file Bresenham.hpp.

Constructor & Destructor Documentation

BresenhamLine() [1/2]

BresenhamLine::BresenhamLine ( Pixel  start, int  cos, int  sin  )

inline

Definition at line 34 of file Bresenham.hpp.

BresenhamLine() [2/2]

BresenhamLine::BresenhamLine ( Pixel  start, float  angle  )

inline

Definition at line 47 of file Bresenham.hpp.

Member Function Documentation

getCurrentLength()

pint BresenhamLine::getCurrentLength ( ) const

inline

Definition at line 54 of file Bresenham.hpp.

next()

Pixel BresenhamLine::next ( )

inline

Definition at line 56 of file Bresenham.hpp.

cos()

static int BresenhamLine::cos ( double  angle )

inlinestatic

Definition at line 77 of file Bresenham.hpp.

sin()

static int BresenhamLine::sin ( double  angle )

inlinestatic

Definition at line 81 of file Bresenham.hpp.

Member Data Documentation

errorScalingFactor

const static int BresenhamLine::errorScalingFactor = INT_MAX / 2

staticprivate

Definition at line 86 of file Bresenham.hpp.

px

Pixel BresenhamLine::px

private

Definition at line 87 of file Bresenham.hpp.

dx

int BresenhamLine::dx

private

Definition at line 88 of file Bresenham.hpp.

dy

int BresenhamLine::dy

private

Definition at line 88 of file Bresenham.hpp.

adx

int BresenhamLine::adx

private

Definition at line 89 of file Bresenham.hpp.

ady

int BresenhamLine::ady

private

Definition at line 89 of file Bresenham.hpp.

xinc

int BresenhamLine::xinc

private

Definition at line 90 of file Bresenham.hpp.

yinc

int BresenhamLine::yinc

private

Definition at line 90 of file Bresenham.hpp.

steep

bool BresenhamLine::steep

private

Definition at line 91 of file Bresenham.hpp.

error

int BresenhamLine::error

private

Definition at line 92 of file Bresenham.hpp.

length

pint BresenhamLine::length = 0

private

Definition at line 93 of file Bresenham.hpp.

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

• Bresenham.hpp