stanford.androidlib.graphics

Class GArrow

java.lang.Object

stanford.androidlib.graphics.GObject

stanford.androidlib.graphics.GLine

stanford.androidlib.graphics.GArrow

All Implemented Interfaces:

GScalable

public class GArrow
extends GLine

This class represents a line with an arrowhead at one or both ends. This class is still under development and is currently undocumented. A future release of the library will document the methods fully.

Field Summary

Fields inherited from class stanford.androidlib.graphics.GLine

LINE_TOLERANCE

Constructor Summary

Constructors

Constructor and Description
GArrow() Constructs an arrow at (0, 0) of length 0.
GArrow(float x1, float y1) Constructs an arrow from (0, 0) to (x1, y1).
GArrow(float x0, float y0, float x1, float y1) Constructs an arrow from (x0, y0) to (x1, y1).

Method Summary

Modifier and Type	Method and Description
float	getArrowSize()
boolean	hasArrowheadEnd()
boolean	hasArrowheadStart()
boolean	isClosed()
void	paint(Canvas canvas) Implements the paint operation for this graphical object.
void	setArrowheadEnd(boolean value)
void	setArrowheadStart(boolean value)
void	setArrowSize(float arrowSize)
void	setClosed(boolean closed)

Methods inherited from class stanford.androidlib.graphics.GLine

contains, getBounds, getEndPoint, getEndX, getEndY, getStartPoint, getStartX, getStartY, scale, scale, setEndPoint, setStartPoint

Methods inherited from class stanford.androidlib.graphics.GObject

contains, getBottomY, getCenterX, getCenterY, getColor, getGCanvas, getHeight, getLocation, getPaint, getRightX, getSize, getWidth, getX, getY, intersects, isVisible, moveBy, moveByPolar, moveTo, moveTo, moveToPolar, repaint, sendBackward, sendForward, sendToBack, sendToFront, setBottomY, setCanvas, setColor, setGCanvas, setLocation, setLocation, setPaint, setRightX, setVisible, setX, setY, toString, translate

Methods inherited from class java.lang.Object

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

Constructor Detail

GArrow

public GArrow()

Constructs an arrow at (0, 0) of length 0.

GArrow

public GArrow(float x1,
              float y1)

Constructs an arrow from (0, 0) to (x1, y1).

GArrow

public GArrow(float x0,
              float y0,
              float x1,
              float y1)

Constructs an arrow from (x0, y0) to (x1, y1).

Method Detail

hasArrowheadStart

public boolean hasArrowheadStart()

hasArrowheadEnd

public boolean hasArrowheadEnd()

setArrowheadStart

public void setArrowheadStart(boolean value)

setArrowheadEnd

public void setArrowheadEnd(boolean value)

paint

public void paint(Canvas canvas)

Description copied from class: GLine

Implements the paint operation for this graphical object. This method is not called directly by clients.

Overrides:

paint in class GLine

getArrowSize

public float getArrowSize()

setArrowSize

public void setArrowSize(float arrowSize)

isClosed

public boolean isClosed()

setClosed

public void setClosed(boolean closed)