// task 2.



// module
module GraphicsApp
{
	// forward declaration of shape.
	// because we use it in rectangle
	interface GraphicalObject;

	typedef sequence<GraphicalObject> ObjectSequence;

	// rectangle contains shapes which GraphicalObjects a
	interface Rectangle
	{

		// exception to be thrown if index out of range
		exception IndexOutOfBounds {};

		// hopping this will be an array of Graphical-objects.
		attribute ObjectSequence objects;
		
		// function to add object
		void addObject(in GraphicalObject newShape);

		// and may be remove an object from a position?
		void removeObjectAtPosition(in unsigned long index)
			raises (IndexOutOfBounds);
	};
       
	interface Shape
	{
		// draw to be overriden in java
		void draw();

		// and info
		void showInfo();
	};

	// GraphicalShape object extends Shape
	interface GraphicalObject : Shape
	{
		// unqualified member
		attribute boolean is_filled;

		// we cannot set this, so only getter will be implemented. 
		// only time a shape can change is if it's in the matrix or if Dr.Strange is in town.
		readonly attribute  string name;
	};


};