Actually, this seems to be a patent for the BitBlt in the Windows GDI library.
It's quite an interesting idea, too with a pretty smart implementation, but I
don't believe it would be useful in a compiler.
Brane
--
Branko Cibej <branko.cibej@hermes.si>
HERMES SoftLab, Litijska 51, 1000 Ljubljana, Slovenia
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