[TYPO3-english] how to: display an image generated on the fly without writing it to disc - from a typo3 v4.5 extbase

Xavier Perseguers xavier at typo3.org
Wed Nov 13 09:06:39 CET 2013


> I am generating barcode images (using PHP-Barcode 0.4
> http://www.ashberg.de/php-barcode/) with imagepgn but would rather not
> save them to disc - just seems unnecessary as the images aren't needed
> for long and they are small and quick to generate when needed.
> I was thinking of an action showbarcodeAction that would just call the
> imagepgn function but there needs to be a template associated with the
> action right?  And if so won't it produce some html when all I really
> need is the image?   can I show the image in a standard img tag even
> though it is not actually saved to disc?

Your action should simply return the content of the image, not the img
tag itself.

Xavier Perseguers
Release Manager TYPO3 4.6

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