public Paper() 
{
        mHeight = LETTER_HEIGHT;
        mWidth = LETTER_WIDTH;
        mImageableArea = new Rectangle2D.Double(INCH, INCH,
                                                mWidth - 2 * INCH,
                                                mHeight - 2 * INCH);
}

Creates a letter sized piece of paper with one inch margins.

 public Object clone() 
{
        Paper newPaper;
        try {
            /* It's okay to copy the reference to the imageable
             * area into the clone since we always return a copy
             * of the imageable area when asked for it.
             */
            newPaper = (Paper) super.clone();
        } catch (CloneNotSupportedException e) {
            e.printStackTrace();
            newPaper = null;    // should never happen.
        }
        return newPaper;
}

Creates a copy of this Paper with the same contents as this Paper.

 public double getHeight() 
{
        return mHeight;
}

Returns the height of the page in 1/72nds of an inch.

 public double getImageableHeight() 
{
        return mImageableArea.getHeight();
}

Returns the height of this Paper object's imageable area.

 public double getImageableWidth() 
{
        return mImageableArea.getWidth();
}

Returns the width of this Paper object's imageable area.

 public double getImageableX() 
{
        return mImageableArea.getX();
}

Returns the x coordinate of the upper-left corner of this Paper object's imageable area.

 public double getImageableY() 
{
        return mImageableArea.getY();
}

Returns the y coordinate of the upper-left corner of this Paper object's imageable area.

 public double getWidth() 
{
        return mWidth;
}

Returns the width of the page in 1/72nds of an inch.

 public  void setImageableArea(double x,
    double y,
    double width,
    double height) 
{
        mImageableArea = new Rectangle2D.Double(x, y, width,height);
}

Sets the imageable area of this Paper. The imageable area is the area on the page in which printing occurs.

 public  void setSize(double width,
    double height) 
{
        mWidth = width;
        mHeight = height;
}

Sets the width and height of this Paper object, which represents the properties of the page onto which printing occurs. The dimensions are supplied in 1/72nds of an inch.