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Sometimes a manipulation can’t be carried out, either because the backend isn’t available, or because there isn’t enough PHP memory available. In these cases, $backend->getImageResource() will be set to NULL. This should be picked up by manipulateImage(), to avoid passing an invalid backend into the $callback provided. The specific case this solves is calling Image->FitMax() on large images: $resizedImage = $originalImage->FitMax(<width>, <height>) This will have $resizedImage==$originalImage if the image is smaller than the targeted dimensions, but with this fix $resizedImage==NULL if the image is too large to be resized. Which gives custom code the ability to determine which of the two should be used, for example choosing not to pass the original large image URL to the client since it wouldn’t be considered a “thumbnail” size.
SilverStripe Framework
PHP5 framework forming the base for the SilverStripe CMS (http://silverstripe.org).
Requires a silverstripe-installer base project. Typically used alongside the cms module.
Installation
See installation on different platforms, and installation from source.
Bugtracker
Bugs are tracked on github.com. Please read our issue reporting guidelines.
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Links
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- Bugtracker: Framework
- Bugtracker: CMS
- Bugtracker: Installer
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Copyright (c) 2006-2014, SilverStripe Limited - www.silverstripe.com
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- Some icons by Yusuke Kamiyamane. All rights reserved. Licensed under a Creative Commons Attribution 3.0 License.
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