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Place a bitmap inside a polygon

 
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Cristian Zujew
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PostPosted: Fri Oct 07, 2005 2:08 pm    Post subject: Place a bitmap inside a polygon Reply with quote



Hello all:

I have a square bitmap and I need to transform / deform it in way to
itīs vertexes coincide with four points in the screen.

That four ponints may be change with any aleatory timed algoritm.

I have Delphi 4.

Thanks in advance.



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somebody
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PostPosted: Fri Oct 07, 2005 5:10 pm    Post subject: Re: Place a bitmap inside a polygon Reply with quote



"Cristian Zujew" <cazujew (AT) ing (DOT) unlp.edu.ar> wrote

Quote:
I have a square bitmap and I need to transform / deform it in way to
itīs vertexes coincide with four points in the screen.

That four ponints may be change with any aleatory timed algoritm.

Google for "quadrilateral mapping" and in particular "bilinear mapping"
and/or "perspective mapping".



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