Re: Reversing an image

[John Kubie <jkubie at mac dot com>]

To answer my own (poorly formed) question, negative values as  
drawpicture parameters don't do anything useful. I only got blank  
images.
John Kubie

On Dec 29, 2005, at 7:49 PM, John Kubie wrote:

> This more a question than a suggestion.
>
> If you use drawpicture, you can scale one picture as it's drawn  
> onto another.
> Perhaps, if you inverted the source range (x1>x1 or y1>y2) you  
> would get an inverted image?
> Drawpicture shoould be much faster than going thru pixel-by-pixel.
>
> Does this work?
>
> John Kubie
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