OpenEuphoria

Re: rle sprites in neil

• Posted by Pete Eberlein <xseal at HARBORSIDE.COM> Nov 18, 1998
• 510 views

Stephen Kodat asked:
> I was wondering if anyone could tell me what does "run-length encoded"
> mean when applied to sprites, as in Pete Eberlein's "neil" library?

Hey good question.  I'll put it on the faq in progress...

short answer: it compresses opaque pixels into strips and remembers the
length and position of each... then each strip can be rendered with just
the equivalent of mem_copy.  Fast because it doesn't have to check for
zero pixels each time.

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