Support Requests item #1022143, was opened at 2004-09-04 01:07
Message generated for change (Settings changed) made by mgeisler
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Category: None
Group: None
Status: Closed
Priority: 5
Submitted By: Nobody/Anonymous (nobody)
>Assigned to: Martin Geisler (mgeisler)
Summary: Sample code for writing exif tags?
Initial Comment:
Is there anywhere any sample code provided that shows
how exactly to add or change an exif tag's content for a
given image?
I tried as hard as I could, but I couldn't get it to work.
The changes could be made but were not saved to the
image.
Thanks,
Rude
chaeskey (at) gmx.net
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Comment By: Martin Geisler (gimpster)
Date: 2004-09-25 13:45
Message:
Logged In: YES
user_id=104098
Did the work-a-round proposed work? If not, then please
reopen this support request.
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Comment By: Martin Geisler (gimpster)
Date: 2004-09-14 00:31
Message:
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user_id=104098
Okay... your installation of PHP lacks support for Gettext,
which is used by PEL to handle the translations.
You can either recompile PHP with Gettext support, or use
the following code, which should provide you with a
work-a-round. PEL will work, but without translations:
if (function_exists('dgettext')) {
bindtextdomain('pel', dirname(__FILE__) . '/locale');
} else {
function dgettext($domain, $str) {
return $str;
}
}
Put the code in Pel.php, replacing the one line with
bindtextdomain(...).
I'm looking forward to hear if it helped with the Gettext
problems.
----------------------------------------------------------------------
Comment By: Nobody/Anonymous (nobody)
Date: 2004-09-13 22:27
Message:
Logged In: NO
Thank you very much for your reply!
Sorry, but the sent code just returns a "Fatal error: Call to
undefined function bindtextdomain() in
D:\Websites\htdocs_testweb\pel\pel-0.6\Pel.php on line 46".
Which is funny, because that's a standard php function. I had
this before, but now I did a re-install of php (5.0.1) and pel,
and this error still occurrs. Any way you can point me? Thank
you very much in advance!
Rude
chaeskey (at) gmx.net
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Comment By: Martin Geisler (gimpster)
Date: 2004-09-04 10:34
Message:
Logged In: YES
user_id=104098
There is the script called edit-description.php in the test
directory. It will load an image and change the
IMAGE_DESCRIPTION tag to whatever commandline arguments the
script received.
The basic way to do this is the following:
$jpeg = new PelJpeg();
$jpeg->load(new PelDataWindow(file_get_contents($file)));
$app1 = $jpeg->getSection(PelJpegMarker::APP1);
$tiff = $app1->getTiff();
$ifd0 = $tiff->getIfd();
$desc = $ifd0->getEntry(PelTag::IMAGE_DESCRIPTION);
$desc->setValue('My new shiny description!');
file_put_contents('new.jpg', $jpeg->getBytes());
That was the whole thing just for completeness... I believe
you missed the very last bit with the call to
$jpeg->getBytes(). That call will give you bytes from the
JPEG object, and recursively for the sub objects, including
the changed description.
I hope this helps, if not, then please ask again.
--
Martin Geisler
----------------------------------------------------------------------
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https://sourceforge.net/tracker/?func=detail&atid=650323&aid=1022143&group_id=108380
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