Chapter 4. Working with Shapes and Figures
In this chapter, we develop a program capable of drawing lines, arrows, rectangles, and ellipses. The application can be viewed as a more advanced version of the circle application. Similar to the circle application, we have a list of figures and we catch the user's mouse actions. However, there are four different kinds of figures: lines, arrows, rectangles, and ellipses. They are defined in a class hierarchy that is similar to but more advanced than the hierarchy in the Tetris game. Moreover, we also introduce cut, copy, paste, cursor control, and registry handling:
The user can add new figures, move ...
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