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Mailing lists / lazarus / 2010-06

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Engelbert Buxbaum

Vincent Snijders

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Engelbert Buxbaum schreef: > Hi, > > the code below is part of a program to draw the Mandelbrot-set. It works, >if the canvas is small (stamp-size). However, if the >>size is increased to >800x800, the middle 1/3 of the image is replaced by a vertical grey bar. >Any ideas? What widgetset / OS do you use? Maybe see: http://bugs.freepascal.org/view.php?id=15822

From: Martin

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*Sound* *like* a known bug in certain MS-Windows versions. They ignore SetPixel for all x coordinates with bit 8=1 you can setpixels from 0 to 255, 512, to 767, 1024 to .... It doesn't matter in which language, you program, the bug is in windows itself

Thanks, that was it. The error occurs only under Vista, not under XP.

Sincerely

Engelbert
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