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A Semaphore Corporation 1M publication for Usa users and developers. Shading a LlsaDraw cannot recognize that the object is one enclosed region. Rounded Region How can the object be shaded? Imagine using LisaOraw to One solution is to define a more construct the fOllowing region or less congruent polygon, such o as: using four line segments and an but with the Unes deflned White arc. You group all of the instead of black. Then shade the objects (in an attempt to form polygon, position it to overlap one region) and ask LlsaDraw to the original region, and send the shade the result, only to see: polygon to the background. The final result will look like the desired reglon, shaded In the arc by the foreground object, and Because IncJlvl(lUal Une segments ShaOeCJ everywnere else by the have been used as boundaries, background polygon.