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fix svg and cache transparency issue

This commit is contained in:
Georg Ehrke 2013-08-15 13:21:35 +02:00
parent 7fe9320ffe
commit 825d8610d0
3 changed files with 10 additions and 3 deletions
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3
lib/image.php
View File

@ -496,6 +496,9 @@ class OC_Image {
return false;
}
$this->resource = @imagecreatefromstring($str);
imagealphablending($this->resource, false);
imagesavealpha($this->resource, true);
if(!$this->resource) {
OC_Log::write('core', 'OC_Image->loadFromData, couldn\'t load', OC_Log::DEBUG);
return false;

2
lib/preview.php
View File

@ -391,6 +391,8 @@ class Preview {
continue;
}
\OC_Log::write('core', 'Generating preview for "' . $file . '" with "' . get_class($provider) . '"', \OC_Log::DEBUG);
$preview = $provider->getThumbnail($file, $maxX, $maxY, $scalingUp, $this->fileview);
if(!($preview instanceof \OC_Image)) {

8
lib/preview/svg.php
View File

@ -18,7 +18,7 @@ if (extension_loaded('imagick')) {
public function getThumbnail($path,$maxX,$maxY,$scalingup,$fileview) {
try{
$svg = new \Imagick();
$svg->setResolution($maxX, $maxY);
$svg->setBackgroundColor(new \ImagickPixel('transparent'));
$content = stream_get_contents($fileview->fopen($path, 'r'));
if(substr($content, 0, 5) !== '<?xml') {
@ -26,14 +26,16 @@ if (extension_loaded('imagick')) {
}
$svg->readImageBlob($content);
$svg->setImageFormat('jpg');
$svg->setImageFormat('png32');
} catch (\Exception $e) {
\OC_Log::write('core', $e->getmessage(), \OC_Log::ERROR);
return false;
}
//new image object
$image = new \OC_Image($svg);
$image = new \OC_Image();
$image->loadFromData($svg);
//check if image object is valid
return $image->valid() ? $image : false;
}