horstmann.ch06_scene1

Interface SceneShape

All Known Implementing Classes:

CarShape, HouseShape, SelectableShape

public interface SceneShape

A shape that is a part of a scene.

Method Summary

Modifier and Type	Method and Description
boolean	contains(java.awt.geom.Point2D p) Tests whether this item contains a given point.
void	draw(java.awt.Graphics2D g2) Draws this item.
void	drawSelection(java.awt.Graphics2D g2) Draws the selection adornment of this item.
boolean	isSelected() Gets the selection state of this item.
void	setSelected(boolean b) Sets the selection state of this item.
void	translate(int dx, int dy) Translates this item by a given amount.

Method Detail

draw

void draw(java.awt.Graphics2D g2)

Draws this item.

Parameters:

g2 - the graphics context

drawSelection

void drawSelection(java.awt.Graphics2D g2)

Draws the selection adornment of this item.

Parameters:

g2 - the graphics context

setSelected

void setSelected(boolean b)

Sets the selection state of this item.

Parameters:

b - true if this item is selected

isSelected

boolean isSelected()

Gets the selection state of this item.

Returns:

true if this item is selected

translate

void translate(int dx,
               int dy)

Translates this item by a given amount.

Parameters:

dx - the amount to translate in x-direction

dy - the amount to translate in y-direction

contains

boolean contains(java.awt.geom.Point2D p)

Tests whether this item contains a given point.

Parameters:

p - a point

Returns:

true if this item contains p