funworld
Class TriangleImage

java.lang.Object
  funworld.WorldImage
      funworld.TriangleImage

public class TriangleImage
extends WorldImage

The class to represent filled triangle images drawn by the World when drawing on its Canvas.

The pinhole for the triangle is in the center of the triangle.

Since:

February 4 2012

Author:

Viera K. Proulx

Field Summary

geometry.Posn	p1
geometry.Posn	p2
geometry.Posn	p3

Fields inherited from class funworld.WorldImage

color, pinhole

Constructor Summary

TriangleImage(geometry.Posn p1, geometry.Posn p2, geometry.Posn p3, java.awt.Color color)
A full constructor for this triangle image.

TriangleImage(geometry.Posn p1, geometry.Posn p2, geometry.Posn p3, colors.IColor color)
A convenience constructor to supply the color in the form of IColor.

Method Summary

int	getHeight() Produce the height of this triangle image
int	getWidth() Produce the width of this triangle image
WorldImage	movePinhole(int dx, int dy) Produce the triangle with the pinhole moved by the given (dx, dy)
WorldImage	moveTo(geometry.Posn p) Produce the triangle with the pinhole moved to the given location

Methods inherited from class funworld.WorldImage

overlayImages

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

p1

public geometry.Posn p1

p2

public geometry.Posn p2

p3

public geometry.Posn p3

Constructor Detail

TriangleImage

public TriangleImage(geometry.Posn p1,
                     geometry.Posn p2,
                     geometry.Posn p3,
                     java.awt.Color color)

A full constructor for this triangle image.

Parameters:

p1 - the first point of this triangle

p2 - the second point of this triangle

p3 - the third point of this triangle

color - the color for this image

TriangleImage

public TriangleImage(geometry.Posn p1,
                     geometry.Posn p2,
                     geometry.Posn p3,
                     colors.IColor color)

A convenience constructor to supply the color in the form of IColor.

Parameters:

p1 - the first point of this triangle

p2 - the second point of this triangle

p3 - the third point of this triangle

color - the color for this image

Method Detail

movePinhole

public WorldImage movePinhole(int dx,
                              int dy)

Produce the triangle with the pinhole moved by the given (dx, dy)

Specified by:

movePinhole in class WorldImage

Parameters:

dx - the horizontal offset

dy - the vertical offset

moveTo

public WorldImage moveTo(geometry.Posn p)

Produce the triangle with the pinhole moved to the given location

Specified by:

moveTo in class WorldImage

Parameters:

p - the given location

getWidth

public int getWidth()

Produce the width of this triangle image

Specified by:

getWidth in class WorldImage

Returns:

the width of this image

getHeight

public int getHeight()

Produce the height of this triangle image

Specified by:

getHeight in class WorldImage

Returns:

the height of this image