Tidying up Your Lines with Endcaps
The line segments shown in Figure 3.5.1 have ends that are cut squarely and might not be good for drawing polygons. Figure 3.5.2 shows how wide lines with square ends look when used to draw a simple star.
Figure 3.5.2. Flat end caps used in a polygon.
As you can see, the flat end caps make a mess of the shape where the lines join. To tidy this up, we can specify a rounded end cap for the lines. Pens have two properties, StartCap and EndCap, that can be set to draw specialized ends on your lines. In Listing 3.5.3, we show the program that draws the star and allows you to turn end caps on or off with a button on ...
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