[Product-Developers] Re: [AT/ImageField] Rescaling images with a fixed width

[Raphael Ritz]

Andreas Jung wrote:
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> Thanks for the pointers but I decided to implement the resizing
> code on top of PIL.Image.resize() with at_post_edit_script() instead of
> depending on some internal ImageField madness :->

Which would just trigger PIL.Image.resize anyways ;-)

Raphael

> 
> Andreas
> 
> On 23.01.2009 10:41 Uhr, Andreas Jung wrote:
>> Hi there,
>>
>> I have the following usecase:
>>
>>  - an ATImage derived image class contains a field "imageClass"
>>  - for a certain value of 'imageClass' the uploaded original image
>>    must be scaled up or down to _fixed width of 500px_ (independent
>>    of the image ratio) for all cases.
>>
>> I came to the point where I am able to set the 'max_size' and
>> 'original_size' parameter for individual instances of my image class
>> implementation. Scaling an image down to 500px width works so far
>> for image where width>height but not if height>width. Also upscaling
>> does not seem to be support by rescaleOriginal() implementation
>> of ImageField. Any hint if this problem can be solved with a custom
>> parameters for 'max_size' and/or 'original_size'
> 
> 
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