The arc is drawn clockwise for a specified number of degrees, from some starting angle. For drawing triangles, pentagons, hexagons, octagons, and so on, we will need the Polygon data type. Every subsequent letter is drawn just to the right of its predecessor. Formatting Quickdraw lets you draw your lines, shapes, and strings in a variety of colors, patterns, styles, and fonts. All lines, shapes, and strings are drawn in the current drawing color.
Lines can be of varying width.
Note that these names have two underscores. Most of you have used Apple Macintosh or Microsoft Windows software at one time or another. One of the most appealing aspects of these software packages is the user-friendly environment. Unlike the old style of text based com puter software, which provide only a keyboard interface, most new software allows you to point and click at sensitive regions of the screen with a mouse, establishing a simple and intuitive graphic user interface. Despite this inauspicious acronym, GUIs have taken over the software industry.