[Etoys] Viewing a preview

[Karl Ramberg]

Walter Bender wrote:
> Here is the Python/GTK way to do this, for what it is worth:
>
> from sugar.datastore import datastore
> ...
>         #my_dsobject is of type datastore.DSObject
>         #object_id is a datastore object
>         my_dsobject = datastore.get(object_id)
>
>         pixbufloader = gtk.gdk.pixbuf_loader_new_with_mime_type('image/png')
>         #Access the 'preview' property
>         #Note that the preview image is 300x225
>         pixbufloader.write(dsobject.metadata['preview'])
>         pixbufloader.close()
>         pixbuf = pixbufloader.get_pixbuf()
>
> -walter
>   
Thanks.
I got it working my self but there are quite a few of the previews that 
don't seem to work, and most criticaly photos from Record I can't get to 
work.

Karl
> On Sat, Jan 17, 2009 at 9:40 AM, Karl Ramberg <karlramberg at gmail.com> wrote:
>   
>> Hi,
>> I'm testing out stuff in my JournalMorph but run into stuff I can't
>> figure out.
>>
>> I'm trying to view a png preview stored in a ByteArray but I don't get
>> it to work.
>> I make the ByteArray a RWBinaryOrTextStream but the
>> PNGReadWriter formFromStream: aStream do not recognize the format.
>>
>> I'm not sure how to proceed.
>>
>> I also tried to write out a png to the Journal but that would not work
>> either :-(
>>
>> Karl
>>
>>
>>
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