This chapter is from the book
This chapter is from the book
This chapter is from the book
10.6 Shapes
Our basic toolbox for drawing on the screen consists of about a dozen classes, including:
)
An arrow indicates that the class pointing can be used where the class pointed to is required. For example, a Polygon can be used where a Shape is required; that is, a Polygon is a kind of Shape.
We will start out presenting and using
Simple_window, Window
Shape, Text, Polygon, Line, Lines, Rectangle, Function, Circle, Ellipse, etc.
Color, Line_style, Point
Axis
Later (Chapter 14), we’ll add GUI (user interaction) classes:
Button, In_box, Menu, etc.
We could easily add many more classes (for some definition of “easy”), such as
Spline, Grid, Block_chart, Pie_chart, etc.
However, defining or describing a complete GUI framework with all its facilities is beyond the scope of this book.