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New generic class for Imagemagick conversions

This commit is contained in:
Olivier Paroz 2014-10-04 17:50:12 +02:00
parent 0cd0a180cc
commit b0000800e1
6 changed files with 128 additions and 100 deletions
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5
config/config.sample.php
View File

@ -303,7 +303,10 @@ $CONFIG = array(
* - OC\Preview\SVG
* - OC\Preview\Movies
* - OC\Preview\PDF
* - OC\Preview\Tiff
* - OC\Preview\TIFF
* - OC\Preview\Illustrator
* - OC\Preview\Postscript
* - OC\Preview\Photoshop
*/
'enabledPreviewProviders' => array(
'OC\Preview\Image',

2
lib/private/mimetypes.list.php
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@ -61,6 +61,7 @@ return array(
'dv' => array('video/dv', null),
'eot' => array('application/vnd.ms-fontobject', null),
'epub' => array('application/epub+zip', null),
'eps' => array('application/postscript', null),
'exe' => array('application/x-ms-dos-executable', null),
'flac' => array('audio/flac', null),
'flv' => array('video/x-flv', null),
@ -120,6 +121,7 @@ return array(
'ppt' => array('application/vnd.ms-powerpoint', null),
'pptm' => array('application/vnd.ms-powerpoint.presentation.macroEnabled.12', null),
'pptx' => array('application/vnd.openxmlformats-officedocument.presentationml.presentation', null),
'ps' => array('application/postscript', null),
'psd' => array('application/x-photoshop', null),
'py' => array('text/x-python', null),
'rar' => array('application/x-rar-compressed', null),

8
lib/private/preview.php
View File

@ -19,11 +19,10 @@ use OCP\Files\NotFoundException;
require_once 'preview/image.php';
require_once 'preview/movies.php';
require_once 'preview/mp3.php';
require_once 'preview/pdf.php';
require_once 'preview/svg.php';
require_once 'preview/txt.php';
require_once 'preview/office.php';
require_once 'preview/tiff.php';
require_once 'preview/bitmap.php';
class Preview {
//the thumbnail folder
@ -691,7 +690,10 @@ class Preview {
* - OC\Preview\SVG
* - OC\Preview\Movies
* - OC\Preview\PDF
* - OC\Preview\Tiff
* - OC\Preview\TIFF
* - OC\Preview\Illustrator
* - OC\Preview\Postscript
* - OC\Preview\Photoshop
*/
if(empty(self::$enabledProviders)) {
self::$enabledProviders = \OC::$server->getConfig()->getSystemValue('enabledPreviewProviders', array(

117
lib/private/preview/bitmap.php Normal file
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@ -0,0 +1,117 @@
<?php
/**
* Copyright (c) 2013-2014 Georg Ehrke georg@ownCloud.com
* This file is licensed under the Affero General Public License version 3 or
* later.
* See the COPYING-README file.
*/
namespace OC\Preview;
use Imagick;
if (extension_loaded('imagick')) {
$checkImagick = new Imagick();
class Bitmap extends Provider {
public function getMimeType() {
return null;
}
public function getThumbnail($path, $maxX, $maxY, $scalingup, $fileview) {
$tmpPath = $fileview->toTmpFile($path);
//create imagick object from bitmap or vector file
try{
// Layer 0 contains either the bitmap or
// a flat representation of all vector layers
$bp = new Imagick($tmpPath . '[0]');
$bp->setImageFormat('png');
} catch (\Exception $e) {
\OC_Log::write('core', $e->getmessage(), \OC_Log::ERROR);
return false;
}
unlink($tmpPath);
//new bitmap image object
$image = new \OC_Image($bp);
//check if image object is valid
return $image->valid() ? $image : false;
}
}
if(count($checkImagick->queryFormats('PDF')) === 1) {
//.pdf
class PDF extends Bitmap {
public function getMimeType() {
return '/application\/pdf/';
}
}
\OC\Preview::registerProvider('OC\Preview\PDF');
}
if(count($checkImagick->queryFormats('TIFF')) === 1) {
//.tiff
class TIFF extends Bitmap {
public function getMimeType() {
return '/image\/tiff/';
}
}
\OC\Preview::registerProvider('OC\Preview\TIFF');
}
if(count($checkImagick->queryFormats('AI')) === 1) {
//.ai
class Illustrator extends Bitmap {
public function getMimeType() {
return '/application\/illustrator/';
}
}
\OC\Preview::registerProvider('OC\Preview\Illustrator');
}
// Requires adding 'eps' => array('application/postscript', null), to lib/private/mimetypes.list.php
if(count($checkImagick->queryFormats('EPS')) === 1) {
//.eps
class Postscript extends Bitmap {
public function getMimeType() {
return '/application\/postscript/';
}
}
\OC\Preview::registerProvider('OC\Preview\Postscript');
}
if(count($checkImagick->queryFormats('PSD')) === 1) {
//.psd
class Photoshop extends Bitmap {
public function getMimeType() {
return '/application\/x-photoshop/';
}
}
\OC\Preview::registerProvider('OC\Preview\Photoshop');
}
}

48
lib/private/preview/pdf.php
View File

@ -1,48 +0,0 @@
<?php
/**
* Copyright (c) 2013 Georg Ehrke georg@ownCloud.com
* This file is licensed under the Affero General Public License version 3 or
* later.
* See the COPYING-README file.
*/
namespace OC\Preview;
use Imagick;
if (extension_loaded('imagick')) {
$checkImagick = new Imagick();
if(count($checkImagick->queryFormats('PDF')) === 1) {
class PDF extends Provider {
public function getMimeType() {
return '/application\/pdf/';
}
public function getThumbnail($path, $maxX, $maxY, $scalingup, $fileview) {
$tmpPath = $fileview->toTmpFile($path);
//create imagick object from pdf
try{
$pdf = new Imagick($tmpPath . '[0]');
$pdf->setImageFormat('jpg');
} catch (\Exception $e) {
\OC_Log::write('core', $e->getmessage(), \OC_Log::ERROR);
return false;
}
unlink($tmpPath);
//new image object
$image = new \OC_Image($pdf);
//check if image object is valid
return $image->valid() ? $image : false;
}
}
\OC\Preview::registerProvider('OC\Preview\PDF');
}
}

48
lib/private/preview/tiff.php
View File

@ -1,48 +0,0 @@
<?php
/**
* Copyright (c) 2013-2014 Georg Ehrke georg@ownCloud.com
* This file is licensed under the Affero General Public License version 3 or
* later.
* See the COPYING-README file.
*/
namespace OC\Preview;
use Imagick;
if (extension_loaded('imagick')) {
$checkImagick = new Imagick();
if(count($checkImagick->queryFormats('TIFF')) === 1) {
class TIFF extends Provider {
public function getMimeType() {
return '/image\/tiff/';
}
public function getThumbnail($path, $maxX, $maxY, $scalingup, $fileview) {
$tmpPath = $fileview->toTmpFile($path);
//create imagick object from TIFF
try{
$tiff = new Imagick($tmpPath);
$tiff->setImageFormat('png');
} catch (\Exception $e) {
\OC_Log::write('core', $e->getmessage(), \OC_Log::ERROR);
return false;
}
unlink($tmpPath);
//new image object
$image = new \OC_Image($tiff);
//check if image object is valid
return $image->valid() ? $image : false;
}
}
\OC\Preview::registerProvider('OC\Preview\TIFF');
}
}