I'm new to the GD/Image functions with PHP, and I'm trying to use them
to manipulate jpeg images that I've stored in a MySQL database
(specifically, creating thumbnails). The thing I can't tell from reading
the documentation is how to use these image functions to operate on
image data -- it looks like you get a GD image resource in each case
by specifying a file name, not by passing image data directly. While I
can see how that's convenient for the common case, I can't figure out
how to make this work without writing the image out to a file (and since
I'm already taking a bit of a performance hit by reading the image out
a database, that seems like the wrong thing to do). Can anyone elaborate?
Thanks,
Weston
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