Graphics Handling Model

Graphics Handling Model

Table of Contents

Figure

Point
Ellipse
Circle
Color
ClosedFigure
Polygon
Triangle
Quadrangle
Rectangle
Square

CircleClasses
Classes:
UsingCircle
Actor:
Use Cases:

Interfaces

Figure

This interface defines common properties of figures

Operations:

visibility

return

name

public display public rotate public translate

visibility

return

name

public display public rotate public translate public display public rotate public translate public rotate public translate public rotate public translate public translate public translate

Classes

Point

Table 1.

Class	Point
A point is a geometric object that has no dimension and defined by its position. In this computer model, it has the size of a pixel.
Attributes:
visibility	type	name
private		x
private		y
Operations:
visibility	return	name
public		translate

Ellipse

Table 2.

Class	Ellipse
An ellipse is a closed curve determined by the intersection of a non-curved cone and a plan which is not perpendiculary to its axis
Attributes:
visibility	type	name
private	Point	focus1
private	Point	focus2
Operations:
visibility	return	name
public		perimeter

public		rotate

public		translate

public		display

Circle

Table 3.

Class	Circle
A circle is an ellipse where the plane is perpendicular to the axis.
Operations:
visibility	return	name
public		perimeter

Color

Table 4.

Class	Color
An color defined by its Red Green, Blue and Alpha channels
Attributes:
visibility	type	name
private		red
private		green
private		blue
private		alpha

ClosedFigure

Table 5.

Class	ClosedFigure
A closed figure is a figure where the last point is linked to the first one

Polygon

Table 6.

Class	Polygon
Operations:
visibility	return	name
public		perimeter

public		rotate

public		translate

public		display

Triangle

Table 7.

Class	Triangle
Operations:
visibility	return	name
public		perimeter

Quadrangle

Table 8.

Class	Quadrangle

Rectangle

Table 9.

Class	Rectangle
Attributes:
visibility	type	name
private		side1
private		side2
Operations:
visibility	return	name
public		perimeter

Square

Table 10.

Class	Square
Operations:
visibility	return	name
public		perimeter

Diagrams

CircleClasses

This diagrams shows the inheritance hierarchy for a Circle

Classes:

UsingCircle

This diagram shows the uses of a circle

Actor:

Use Cases: