[TYPO3-english] got cObj->IMAGE in backend to work, but ...

[Thomas Appel]

Hi there

For a frontend gallery plugin I need some image conversion to be done in the typo3 backend, e.g when a gallery is saved, because images are not rendered on frontend but requested via eID and returned as ja JSON string.

The conversionscript is called from a TCE hook. I managed to get an almost complete FE user session with TSFE and a working cObj, then the images are called like this:

$plugin->conf['images']['image'] = IMG_RESOURCE;
$plugin->conf['images']['image.']['file.']['width'] = 400;
$plugin->conf['images']['image.']['file.']['height'] = 280;

$plugin->conf['images']['image.']['file'] = 'uploads/pluginfolder/image.jpg';

$plugin->cObj->getImgResource($plugin->conf['images']['image.']['file'], $plugin->conf['images']['image.']['file.']);

The problem is, that, in my case, the conversion fails in class tslib_cObj at about line 5520:
							$GLOBALS['TSFE']->tmpl->fileCache[$hash]['origFile'] = $theImage;
							$GLOBALS['TSFE']->tmpl->fileCache[$hash]['origFile_mtime'] = @filemtime($theImage);

I can call my script from a "real" FE session an it works. debug($theImage) prints out the relative path to the image file ('uploads/pluginfolder/image.jpg') but gets validated in filemtime($theImage) (but why?).
Called from the backend $theImage prints put the same string (relative path) but filemtime($theImage) fails (which seems to me the more logical case). 

So, what I don't get is, why does filemtime apparently know the "missing" full path to the image in the first case?

I think this is the missing link, to get my backend image conversion to work.

Kind regards, Thomas
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Thomas Appel | Dipl. Designer (FH) | phone: +49160 97979 694 | mail: appel at gmx.net