[Tutor] Questions about PIL

[Chris Hengge]

What I want to do with the data shouldn't really matter. I'm not completely
sure what I want to do with the image data anyways, but for sake of
arguement everything is happening in memory at this point, so 'objects' is
correct. Images start in memory, and are being evaluated in memory, never
written to disk..

On 11/8/06, Luke Paireepinart <rabidpoobear at gmail.com> wrote:
>
> Chris Hengge wrote:
> > Thanks for the detailed examples again Luke. Sorry I wasn't more clear
> > with my implimentation. The loop I was refering to was the one in the
> > start of my post but using im.tostring() instead. I saw an example to
> > make a webcam motion detector that used tostring(), but couldn't get
> > the program to see a difference.
> I'm glad the examples helped.
> See my other response about your use of the term 'loop.'
> >
> > As for just capturing a section of the screen. I'm not looking to make
> > faster captures, so I think your sample was on the ball. Your example
> > however wasn't quite what I had in mind when I was thinking up the
> > question and again I take fault for this. I was thinking more of a way
> > to create quadrants of the screenshot. (Or any number of area's) that
> > I could independantly interact with. I know this isn't a CPU friendly
> > task, but just humor me please =P
> Once again, you're not being explicit enough in explaining what you're
> trying to do.
> Specifically, your sentence "(Or any number of area's) that I could
> independently interact with"
> How are you trying to interact with them?
> Do you want them split into actual separate image files, into separate
> image objects, or what?
> The crop method I showed you will do any kind of splitting you want,
> you just have to think through what exactly you need to crop in any
> given situation.
> For example,
> (pseudocode)
>
> width = 1024/2
> height = 768/2
> image = load_image('imagename')
> quad1 = image.crop((0,0,width,height))
> quad2 = image.crop((width,0,width,height))
> quad3 = image.crop((0,height,width,height))
> quad4 = image.crop((width,height,width,height))
>
> note that width and height are the w/h of the quadrants, not of the
> image itself.
> since there are 4 quadrants (get it? quad = 4 ;)
> each width/height would be original_image_<width or height> * (.5)
>
> HTH,
> -Luke
>
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