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How to detect an image type with GD
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Subject Author Date
How to detect an image type with GD Francesco Moi 11-08-2006
Posted by Francesco Moi on November 8, 2006, 12:10 pm
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Hi.

I want to load an image with GD, but I must know which type is each one
in order to:
my $srcimage = GD::Image->newFromGif("foo.gif");
my $srcimage = GD::Image->newFromJpeg("foo.jpg");
...

How can I detect it? Thank you very much.


Posted by John Bokma on November 8, 2006, 3:03 pm
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> Hi.
>
> I want to load an image with GD, but I must know which type is each one
> in order to:
> my $srcimage = GD::Image->newFromGif("foo.gif");
> my $srcimage = GD::Image->newFromJpeg("foo.jpg");
> ...
>
> How can I detect it? Thank you very much.

With magic: http://search.cpan.org/search?query=magic&mode=all

--
John Experienced Perl programmer: http://castleamber.com/

Perl help, tutorials, and examples: http://johnbokma.com/perl/

Posted by Ilya Zakharevich on November 8, 2006, 3:22 pm
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[A complimentary Cc of this posting was sent to
Francesco Moi
> Hi.
>
> I want to load an image with GD, but I must know which type is each one
> in order to:
> my $srcimage = GD::Image->newFromGif("foo.gif");
> my $srcimage = GD::Image->newFromJpeg("foo.jpg");
> ...
>
> How can I detect it?

Do not. Let GD detect it.

Hope this helps,
Ilya





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