Hello,
I have a table where an oid field is used for saving images. I'm thinking
about getting a little snapshot of all images without downloading the full
images. I only want to download some entire images. I'm thinking in something
like this:
create table images (
id serial primary key,
title varchar not null,
photo_id oid
);
select title, snapshot(photo_oid, 120, 120) as snap from images
In this case, the snapshot function returns the resized snapshot of the original
image.
I think that the core of function could be similar to this:
1) Obtain the image
2) Resize the Image to new size
3) Return the Resized Image
Do you know if there exists a function like this ("snapshot")?
Otherwise, What is the type returned by the function ? What suitable procedure
language should I use ? What image library for the redimension ?
Thanks you very much.
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