Class ITrapezoid

java.lang.Object
  |
  +--ITrapezoid

All Implemented Interfaces:

ITrapez

class ITrapezoid

extends java.lang.Object

implements ITrapez

This class implements ITrapez and manage creating and managing Trapezim

Field Summary

(package private) IPoint	ne North-East vertex
(package private) IPoint	nw North-West vertex
(package private) IPoint	se South-East vertex
(package private) IPoint	sw South-West vertex

Fields inherited from interface ITrapez

NE, NONE, NW, SE, SW

Constructor Summary

ITrapezoid(int nwX, int nwY, int swX, int swY, int seX, int seY, int neX, int neY)
Construct a new ITrapezoid with the specified x,y

ITrapezoid(IPoint nw, IPoint sw, int northernEdgeWidth, int southernEdgeWidth)
Construct a new ITrapezoid with the given vertices and widths

ITrapezoid(IPoint nw, IPoint sw, IPoint se, IPoint ne)
Construct a new ITrapezoid with the specified vertices

Method Summary

IPoint	getVertex(int position) Return the vertex that is associated with the given position.
void	move(int deltaX, int deltaY) Construct a new circle with the specified center, radius and color
void	reshape(int position, int deltaX, int deltaY) Reshape this ITrapezoid according to the given parameters.
int	whichVertex(IPoint v) If the given IPoint vertex is one of this ITrapezoid's vertices then return its position within this ITrapezoid, otherwise return NONE.

Methods inherited from class java.lang.Object

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

Field Detail

nw

IPoint nw

North-West vertex

sw

IPoint sw

South-West vertex

se

IPoint se

South-East vertex

ne

IPoint ne

North-East vertex

Constructor Detail

ITrapezoid

public ITrapezoid(int nwX,
                  int nwY,
                  int swX,
                  int swY,
                  int seX,
                  int seY,
                  int neX,
                  int neY)

Construct a new ITrapezoid with the specified x,y

Parameters:

nwX - the X position of the North-West vertex

nwY - the Y position of the North-West vertex

swX - the X position of the South-West vertex

swY - the Y position of the South-West vertex

seX - the X position of the South-East vertex

seY - the Y position of the South-East vertex

neX - the X position of the North-East vertex

neY - the Y position of the North-East vertex

ITrapezoid

public ITrapezoid(IPoint nw,
                  IPoint sw,
                  IPoint se,
                  IPoint ne)

Construct a new ITrapezoid with the specified vertices

Parameters:

nw - an IPoint (x,y) of the North-West vertex

sw - an IPoint (x,y) of the South-West vertex

se - an IPoint (x,y) of the South-East vertex

ne - an IPoint (x,y) of the North-East vertex

ITrapezoid

public ITrapezoid(IPoint nw,
                  IPoint sw,
                  int northernEdgeWidth,
                  int southernEdgeWidth)

Construct a new ITrapezoid with the given vertices and widths

Parameters:

nw - an IPoint (x,y) of the North-West vertex

sw - an IPoint (x,y) of the South-West vertex

northernEdgeWidth - the width of the northern edge

southernEdgeWidth - the width of the southern edge

Method Detail

move

public void move(int deltaX,
                 int deltaY)

Construct a new circle with the specified center, radius and color

Specified by:

move in interface ITrapez

Parameters:

center - a 2D point representing the center

radius - a float representing the radius

shapeColor - the color of the circle

whichVertex

public int whichVertex(IPoint v)

If the given IPoint vertex is one of this ITrapezoid's vertices then return its position within this ITrapezoid, otherwise return NONE.

Specified by:

whichVertex in interface ITrapez

Parameters:

v - an IPoint (x,y value) representing a position

Returns:

the number of a vertex if found or NONE if not.

getVertex

public IPoint getVertex(int position)

Return the vertex that is associated with the given position. 'position' must be one of: NW, SW, SE, NE.

Specified by:

getVertex in interface ITrapez

Parameters:

position - 1 - 4, indicating one of the vertices

Returns:

an IPoint (x,y values) of given vertex

reshape

public void reshape(int position,
                    int deltaX,
                    int deltaY)

Reshape this ITrapezoid according to the given parameters. The specified vertex is moved according to the given parameters. All the other vertices move accordingly so that the trapezoid will remain X-aligned.

Specified by:

reshape in interface ITrapez

Parameters:

position - 1 - 4, indicating one of the vertices

deltaX - the delta on the X asix

deltaY - the delta on the Y asix