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resize svg without loosing quality

This commit is contained in:
Thomas Müller 2013-10-11 00:12:37 +02:00
parent be4aea2d1b
commit 19ea4f79da
1 changed files with 8 additions and 0 deletions
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8
lib/private/preview/unknown.php
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@ -23,7 +23,15 @@ class Unknown extends Provider {
$svgPath = substr_replace($path, 'svg', -3);
if (extension_loaded('imagick') && file_exists($svgPath)) {
// http://www.php.net/manual/de/imagick.setresolution.php#85284
$svg = new \Imagick();
$svg->readImage($svgPath);
$res = $svg->getImageResolution();
$x_ratio = $res['x'] / $svg->getImageWidth();
$y_ratio = $res['y'] / $svg->getImageHeight();
$svg->removeImage();
$svg->setResolution($maxX * $x_ratio, $maxY * $y_ratio);
$svg->setBackgroundColor(new \ImagickPixel('transparent'));
$svg->readImage($svgPath);
$svg->setImageFormat('png32');