Here is a nice little class we can use to enumerate each and every point on a line. We are using the Digital Differential Analyzer (DDA) approach.
The idea of drawing a simple line is well supported by just about every graphical framework. What is less sure is the ability to enumerate through a set of points so as to choose just which points we are interested in.
LineDDA also graphically demonstrates support for Positive Slope, Negative Slope, Zero and No Slope.
Source code included in archive / jar.
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