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2D drawing

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Q 1) How do I create a transparent overlay with the VCLEdit

A) The standard VCL uses GDI which has no native support for transparency or antialiased drawing. You'll need to use an external library, such as:

GDI+ http://www.progdigy.com/?page_id=7
Graphics32 http://www.graphics32.org/
AggPas http://aggpas.org/

or a commercial library such as

DtpDocuments at http://www.simdesign.nl/contact.html

You can also do transparent overlays using the GDI directly with the AlphaBlend() GDI function.

Q 2) How do I draw antialiased lines or shapesEdit

A) See the answer for question 1

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