MiniCAD

CAD [1] (Computer-Aided Design or Computer-Aided Design and Drawing) is the use of technology to create designs (generally 2D) and replaces the manual drawing process of a piece with an automated one. One of the most popular such programs is AutoCAD. Such programs improve the designer's design quality and productivity.

ok know the actual program what i have done in it , i am gone explane every file below this line:

Main.class

This provides the entry point to the program, it accepts a file or directory. If a directory is passed in then all files in that directory will be used to create an image from the set instructions in the file.

CAD.class

Provides reference to set and get the pixels for the output image as well as getters for the width and height. Uses singleton pattern.

Canvas.class

A type of Shape which must be declared first in an instruction set. This contains the width and height of the output image as well as the background color

Image.class

Wrapper for the actual image, hides unnecessary methods and ensures pixels being set fall within the image bounds

ShapeVisitor.class

An interface to allow extensibility of the current program, e.g. printing to a physical printer, printing to screen etc.

ShapeDrawVisitor.class

This contains all the logic for drawing

ShapeFactory.class

Returns shapes based on the string array input. Returns shapes of the type below as well as Canvas. Uses Factory pattern.
	Circle
	Diamond
	Line
	Polygon
	Rectangle
	Square
	Triangle

Shape

Interface for all shape types. Uses visitor pattern.