From 19ea4f79da63f640678c7eae0511f342ea2474b5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Thomas=20M=C3=BCller?= <thomas.mueller@tmit.eu>
Date: Fri, 11 Oct 2013 00:12:37 +0200
Subject: [PATCH] resize svg without loosing quality
---
lib/private/preview/unknown.php | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/lib/private/preview/unknown.php b/lib/private/preview/unknown.php
index 62444ac6a2..4747f9e25e 100644
--- a/lib/private/preview/unknown.php
+++ b/lib/private/preview/unknown.php
@@ -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');
--
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