Package curve.line

Class CurvedLine

java.lang.Object

curve.line.Line

curve.line.CurvedLine

All Implemented Interfaces:

Colour, Out

Direct Known Subclasses:

CubicLine, QuadLine

public abstract class CurvedLine
extends Line

/** Bezier curve class parent

Field Summary

Fields

Modifier and Type	Field	Description
(package private) double	bias	for drawing the curve, we use integer lookups
Board	board	board
double	Bt	Bt
(package private) double	curveLength	for drawing the curve, we use integer lookups
(package private) static boolean	debug	debug
(package private) static boolean	debug1	debug1
(package private) static boolean	debugDraw	debugDraw
(package private) static boolean	debugOver	debugOver
int	LUT_resolution	LUT_resolution
(package private) double[]	LUT_x	LUT for the point x/y values and t-at-x/y values
(package private) double[]	LUT_y	LUT for the point x/y values and t-at-x/y values
(package private) int	order	order
(package private) double[]	originalInterval	LUT for the point x/y values and t-at-x/y values
ArrayList<PltPoint>	ppal	ppal
(package private) double[]	ratios	LUT for the point x/y values and t-at-x/y values
(package private) double	span_t	for drawing the curve, we use integer lookups
(package private) double[]	x_values	LUT for the point x/y values and t-at-x/y values
(package private) double[]	y_values	LUT for the point x/y values and t-at-x/y values
(package private) static String	zz	zz

Fields inherited from class curve.line.Line

areas, colour, debugConstruct, dirty, id, points, selected, sid, t, width

Constructor Summary

Constructors

Constructor	Description
CurvedLine(DPoint[] points, Board board, Tr t)	construct a typical curve
CurvedLine(DPoint[] points, String sid, Tr t)	called from interpreter

Method Summary

Modifier and Type	Method	Description
void	delete()	delete
abstract void	draw(Graphics g, Board board, Tr t)	draw
void	drawControlLines(Graphics g, Graphics2D g2, Board board)	draw control line
void	drawPoints(Graphics g)	draw points
double	getCurveLength(Tr t)	get Curve length
DPoint	getEnd()	Get the last point in this curve
(package private) abstract PltPoint	getPltPoint(double t)	get Plot Point
DPoint	getStart()	Get the first point in this curve
(package private) static void	log(String s)	link to Log.mes
abstract String	out()	out
void	reverse()	Reverse this curve
abstract String	toString()	toString
void	update()	update

Methods inherited from class curve.line.Line

addArea, clearArea, clearAreas, clearSelected, cloneLine, drawLineSegment, flipSelected, getAreas, getColourIndex, getDirty, getID, getSID, isSelected, logPoints, returnPointIndex, setColourIndex, setDirty, setSelected

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Details

zz

static String zz

zz

debugDraw

static boolean debugDraw

debugDraw

debug

static boolean debug

debug

debugOver

static boolean debugOver

debugOver

debug1

static boolean debug1

debug1

Bt

public double Bt

Bt

LUT_resolution

public int LUT_resolution

LUT_resolution

order

int order

order

x_values

double[] x_values

LUT for the point x/y values and t-at-x/y values

y_values

double[] y_values

LUT for the point x/y values and t-at-x/y values

LUT_x

double[] LUT_x

LUT for the point x/y values and t-at-x/y values

LUT_y

double[] LUT_y

LUT for the point x/y values and t-at-x/y values

ratios

double[] ratios

LUT for the point x/y values and t-at-x/y values

originalInterval

double[] originalInterval

LUT for the point x/y values and t-at-x/y values

span_t

double span_t

for drawing the curve, we use integer lookups

int[] draw_x = new int[LUT_resolution],

draw_y = new int[LUT_resolution];

curveLength

double curveLength

for drawing the curve, we use integer lookups

int[] draw_x = new int[LUT_resolution],

draw_y = new int[LUT_resolution];

bias

double bias

for drawing the curve, we use integer lookups

int[] draw_x = new int[LUT_resolution],

draw_y = new int[LUT_resolution];

ppal

public ArrayList<PltPoint> ppal

ppal

board

public Board board

board

Constructor Details

CurvedLine

public CurvedLine(DPoint[] points,
 Board board,
 Tr t)

construct a typical curve

Parameters:

points - -

board - -

t - -

CurvedLine

public CurvedLine(DPoint[] points,
 String sid,
 Tr t)

called from interpreter

Parameters:

points - -

sid - -

t - -

Method Details

log

static void log(String s)

link to Log.mes

Parameters:

s - - string to log

update

public void update()

update

all coordinates to be in doubles

Overrides:

update in class Line

getPltPoint

abstract PltPoint getPltPoint(double t)

get Plot Point

Parameters:

t - -

Returns:

point

getStart

public DPoint getStart()

Get the first point in this curve

Returns:

point

getEnd

public DPoint getEnd()

Get the last point in this curve

Returns:

point

reverse

public void reverse()

Reverse this curve

getCurveLength

public double getCurveLength(Tr t)

get Curve length

Parameters:

t - -

Returns:

the approx arc length for this curve.

draw

public abstract void draw(Graphics g,
 Board board,
 Tr t)

draw

Specified by:

draw in interface Colour

Specified by:

draw in class Line

Parameters:

g - -

board - -

t - -

drawControlLines

public void drawControlLines(Graphics g,
 Graphics2D g2,
 Board board)

draw control line

Parameters:

g - -

g2 - -

board - -

drawPoints

public void drawPoints(Graphics g)

draw points

Parameters:

g - -

delete

public void delete()

delete

Overrides:

delete in class Line

toString

public abstract String toString()

toString

Specified by:

toString in interface Colour

Specified by:

toString in class Line

Returns:

string

out

public abstract String out()

out

Specified by:

out in interface Out

Specified by:

out in class Line

Returns:

string to send to xxx file