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check if ->resource is a resource

This commit is contained in:
Georg Ehrke 2013-08-15 16:13:01 +02:00
parent 7a11911aea
commit 4574c5cf5c
1 changed files with 4 additions and 2 deletions
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6
lib/image.php
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@ -496,8 +496,10 @@ class OC_Image {
return false; return false;
} }
$this->resource = @imagecreatefromstring($str); $this->resource = @imagecreatefromstring($str);
imagealphablending($this->resource, false); if(is_resource($this->resource)) {
imagesavealpha($this->resource, true); imagealphablending($this->resource, false);
imagesavealpha($this->resource, true);
}
if(!$this->resource) { if(!$this->resource) {
OC_Log::write('core', 'OC_Image->loadFromData, couldn\'t load', OC_Log::DEBUG); OC_Log::write('core', 'OC_Image->loadFromData, couldn\'t load', OC_Log::DEBUG);