Merge branch 'master' into scrutinizer_documentation_patches

Conflicts:
	lib/private/appconfig.php

4 files changed, 4 insertions, 4 deletions

diff --git a/lib/private/preview/office.php b/lib/private/preview/office.php
index 7a4826c76ec..02bb22e9b94 100644
--- a/lib/private/preview/office.php
+++ b/lib/private/preview/office.php
@@ -6,7 +6,7 @@
  * See the COPYING-README file.
  */
 //both, libreoffice backend and php fallback, need imagick
-if (extension_loaded('imagick')) {
+if (extension_loaded('imagick') && count(@\Imagick::queryFormats("PDF")) === 1) {
 	$isShellExecEnabled = \OC_Helper::is_function_enabled('shell_exec');
 
 	// LibreOffice preview is currently not supported on Windows
diff --git a/lib/private/preview/pdf.php b/lib/private/preview/pdf.php
index cc974b68818..d390b4fc677 100644
--- a/lib/private/preview/pdf.php
+++ b/lib/private/preview/pdf.php
@@ -7,7 +7,7 @@
  */
 namespace OC\Preview;
 
-if (extension_loaded('imagick')) {
+if (extension_loaded('imagick') && count(@\Imagick::queryFormats("PDF")) === 1) {
 
 	class PDF extends Provider {
 
diff --git a/lib/private/preview/svg.php b/lib/private/preview/svg.php
index b49e51720fa..9a73fff9467 100644
--- a/lib/private/preview/svg.php
+++ b/lib/private/preview/svg.php
@@ -7,7 +7,7 @@
  */
 namespace OC\Preview;
 
-if (extension_loaded('imagick')) {
+if (extension_loaded('imagick') && count(@\Imagick::queryFormats("SVG")) === 1) {
 
 	class SVG extends Provider {
 
diff --git a/lib/private/preview/unknown.php b/lib/private/preview/unknown.php
index 4747f9e25ed..2d3b5c5655e 100644
--- a/lib/private/preview/unknown.php
+++ b/lib/private/preview/unknown.php
@@ -22,7 +22,7 @@ class Unknown extends Provider {
 
 		$svgPath = substr_replace($path, 'svg', -3);
 
-		if (extension_loaded('imagick') && file_exists($svgPath)) {
+		if (extension_loaded('imagick') && file_exists($svgPath) && count(@\Imagick::queryFormats("SVG")) === 1) {
 
 			// http://www.php.net/manual/de/imagick.setresolution.php#85284
 			$svg = new \Imagick();