BresenhamLine Class Reference

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

#include <Display/Helpers/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
static const int	errorScalingFactor = INT_MAX / 2

Detailed Description

Line rasterization algorithm for drawing lines to the display.

Definition at line 18 of file Bresenham.hpp.

Member Typedef Documentation

pint

using pint = int16_t

Definition at line 20 of file Bresenham.hpp.

Constructor & Destructor Documentation

BresenhamLine() [1/2]

BresenhamLine ( Pixel  start, int  cos, int  sin  )

inline

Definition at line 33 of file Bresenham.hpp.

BresenhamLine() [2/2]

BresenhamLine ( Pixel  start, float  angle  )

inline

Definition at line 46 of file Bresenham.hpp.

Member Function Documentation

getCurrentLength()

pint getCurrentLength ( ) const

inline

Definition at line 53 of file Bresenham.hpp.

next()

Pixel next ( )

inline

Definition at line 55 of file Bresenham.hpp.

cos()

static int cos ( double  angle )

inlinestatic

Definition at line 76 of file Bresenham.hpp.

sin()

static int sin ( double  angle )

inlinestatic

Definition at line 80 of file Bresenham.hpp.

Member Data Documentation

errorScalingFactor

const int errorScalingFactor = INT_MAX / 2

staticprivate

Definition at line 85 of file Bresenham.hpp.

px

Pixel px

private

Definition at line 86 of file Bresenham.hpp.

dx

int dx

private

Definition at line 87 of file Bresenham.hpp.

dy

int dy

private

Definition at line 87 of file Bresenham.hpp.

adx

int adx

private

Definition at line 88 of file Bresenham.hpp.

ady

int ady

private

Definition at line 88 of file Bresenham.hpp.

xinc

int xinc

private

Definition at line 89 of file Bresenham.hpp.

yinc

int yinc

private

Definition at line 89 of file Bresenham.hpp.

steep

bool steep

private

Definition at line 90 of file Bresenham.hpp.

error

int error

private

Definition at line 91 of file Bresenham.hpp.

length

pint length = 0

private

Definition at line 92 of file Bresenham.hpp.

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

• Bresenham.hpp