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Small Basic Known Issue: 28245 - Outlines of Shapes Rectangle and Ellipse are Smaller

  • Article

A known issues article highlighting a known issue in Microsoft Small Basic programming language and explaining a work around.

Phenomenon

Outlines created by Shapes.AddRectangle() and Shapes.AddEllipse() are smaller than ones for GraphicsWindow.DrawRectangle() and GraphicsWindow.DrawEllipse().  In other words the center of outlines is located on the edge of a shape for GraphicsWindow.DrawXXX() but the outer border is located on the edge for Shapes.AddXXX().
Following picture shows shapes with two types of pen widths.  Light blue outlines have 20 px widths and blue outlines have 6 px widths.

Workaround

One way to avoid this issue is to use narrow pen width such like 3 px or less.  But most of Small Basic programmers must not matter this issue because this is the current specification of Small Basic.

Sample Program

  • Outline Test (MDQ753-0) - reproduces this issue.

See Also