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).
GArrow(GCanvas canvas) Constructs an arrow at (0, 0) of length 0.
GArrow(GCanvas canvas, float x1, float y1) Constructs an arrow from (0, 0) to (x1, y1).
GArrow(GCanvas canvas, 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.
GArrow	setArrowheadEnd(boolean value)
GArrow	setArrowheadStart(boolean value)
GArrow	setArrowSize(float arrowSize)
GArrow	setClosed(boolean closed)

Methods inherited from class stanford.androidlib.graphics.GLine

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

Methods inherited from class stanford.androidlib.graphics.GObject

addTo, addTo, addTo, contains, getBottomY, getCenterX, getCenterY, getColor, getFillColor, getGCanvas, getHeight, getLeftX, getLocation, getPaint, getRightX, getSize, getTopY, getWidth, getX, getY, intersects, isFilled, isVisible, moveBy, moveByPolar, moveTo, moveTo, moveTo, moveToPolar, remove, repaint, scale, sendBackward, sendForward, sendToBack, sendToFront, setBottomY, setBounds, setBounds, setBounds, setCanvas, setColor, setFillColor, setFilled, setGCanvas, setLocation, setLocation, setLocation, setPaint, setRightX, setSize, setSize, setVisible, setX, setY, toString, translate

Methods inherited from class java.lang.Object

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

Methods inherited from interface stanford.androidlib.graphics.GScalable

scale

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).

GArrow

public GArrow(GCanvas canvas)

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

GArrow

public GArrow(GCanvas canvas,
              float x1,
              float y1)

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

GArrow

public GArrow(GCanvas canvas,
              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 GArrow setArrowheadStart(boolean value)

setArrowheadEnd

public GArrow 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 GArrow setArrowSize(float arrowSize)

isClosed

public boolean isClosed()

setClosed

public GArrow setClosed(boolean closed)