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Back to Graphics and GPU Programming

Stretching algorithm

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1 comment, last by Harvester 23 years, 6 months ago
hey, anyone has tips/info/links on how to build a stretching algorythm? Something like StretchBlt. Thanks
... LEMMINGS ... LEMMINGS ... LEMMINGS ... LEM..... SpLaSh!...Could this be what we stand like before the mighty One?Are we LeMmIngS or WhAt!? ;)
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You should look at the interpolation examples in one of the DSP-Tutorials. It is basically the same, except that images are 2D-Data and sound is 1D-Data.
You could stretch down the x-axis first and then along the y-axis or vice versa.
The one i developed seems to work. What i did was to calculate how many lines where to be removed/added, and then using a simple blur method to remove/add ''em, in equal intervals. It appears to work...

BTW: thanks fot the link. i''ll check it out today
... LEMMINGS ... LEMMINGS ... LEMMINGS ... LEM..... SpLaSh!...Could this be what we stand like before the mighty One?Are we LeMmIngS or WhAt!? ;)

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