From: Vincent Vanwaelscappel <vincent@cubedesigners.com>
Date: Thu, 2 Mar 2023 16:43:11 +0000 (+0100)
Subject: wip #5770 @0.25
X-Git-Url: http://git.cubedesigners.com/?a=commitdiff_plain;h=97b5e96140945c11230ab5dc48219e30d8a6f3c2;p=cubist_pdf.git

wip #5770 @0.25
---

diff --git a/src/PDFTools.php b/src/PDFTools.php
index aa97a4b..f4a2f4a 100644
--- a/src/PDFTools.php
+++ b/src/PDFTools.php
@@ -12,536 +12,520 @@ use DOMNode;
 use DOMXPath;
 use Cubist\PDF\CommandLine\FWSTK;
 
-class PDFTools
-{
-    /**
-     * @param $path string
-     * @return string
-     */
-
-    public static function resource_path($path)
-    {
-        return __DIR__ . '/../resources/' . self::_cleanPath($path);
-    }
-
-    /**
-     * @param $path string
-     * @return string
-     */
-    public static function tools_path($path, $chmod = false)
-    {
-        $res = self::resource_path('tools/' . self::_cleanPath($path));
-        if ($chmod) {
-            self::chmodExec($res);
-        }
-        return $res;
-    }
-
-    public static function chmodExec($path)
-    {
-        if (is_file($path)) {
-            @chmod($path, 0755);
-        }
-    }
-
-    protected static function parseInfos($data)
-    {
-        $res = [];
-
-        // This function get general infos (pages sizes, boxes, number sections and
-        // bookmarks
-        // Init arrays
-        $res['infos'] = [];
-        $res['infos']['size'] = [0, 0];
-        $res['bookmarks'] = [];
-        $res['numberSections'] = '';
-        $bookmark_id = 0;
-
-        $res['size'] = array(0, 0);
-        $lines = explode("\n", $data);
-        foreach ($lines as $line) {
-            $line = trim(Text::condenseWhite($line));
-            $e = explode(':', $line, 2);
-            $k = trim($e[0]);
-            if (count($e) < 2) {
-                continue;
-            }
-            $v = trim($e[1]);
-            if ($k == 'Pages' || $k == 'NumberOfPages') {
-                $res['pages'] = $res['infos']['pages'] = $v;
-                $res['infos']['page'] = [];
-                for ($i = 1; $i <= $res['pages']; $i++) {
-                    $res['infos']['page'][$i] = [];
-                }
-            } elseif (preg_match('|Page\s+([0-9]+)\s+(.*)Box:\s+([0-9.]*)\s+([0-9.]*)\s+([0-9.]*)\s+([0-9.]*)|iu', $line, $m)) {
-                $res['infos']['page'][$m[1]][strtolower($m[2])] = [$m[3], $m[4], $m[5], $m[6]];
-            } elseif (preg_match('|Page\s+([0-9]+)\s+size:\s+([0-9.]*)[pts[:space:]]+x\s+([0-9.]*)\s+pts|iu', $line, $m)) {
-                $res['infos']['page'][$m[1]]['size'] = array($m[2], $m[3]);
-                if ($m[1] == 1) {
-                    $res['infos']['size'][0] = $m[2];
-                    $res['infos']['size'][1] = $m[3];
-                }
-            } elseif ($k == 'BookmarkTitle') {
-                $res['bookmarks'][$bookmark_id] = array('titre' => str_replace('&#13;', '', trim($v)));
-            } elseif ($k == 'BookmarkLevel') {
-                $res['bookmarks'][$bookmark_id]['level'] = $v;
-            } elseif ($k == 'BookmarkPage') {
-                $res['bookmarks'][$bookmark_id]['page'] = $v;
-                $bookmark_id++;
-            } elseif ($k == 'NumberSections') {
-                $res['numberSections'] = $v;
-                $res['infos']['pagenumbers'] = $v;
-            }
-        }
-        return $res;
-    }
-
-    public static function infos($pdf)
-    {
-        $fwstk = new FWSTK();
-        $fwstk->setArg('--input ' . $pdf);
-        $fwstk->setArg('--infos');
-        $fwstk->execute();
-        $out = $fwstk->getOutput();
-
-        $pdfinfo = new CommandLine('pdfinfo');
-        $pdfinfo->setArg('-box');
-        $pdfinfo->setArg('f', 1);
-        $pdfinfo->setArg('l', 100000);
-        $pdfinfo->setArg(null, $pdf);
-        $pdfinfo->execute();
-        $out .= "\n";
-        $out .= $pdfinfo->getOutput();
-
-        return self::parseInfos($out);
-    }
-
-    /**
-     * @param $path string
-     * @return string
-     */
-    protected static function _cleanPath($path)
-    {
-        return trim($path, '/');
-    }
-
-    public static function makeMiniShot($in, $out, $page, $format = 'jpg')
-    {
-        self::makeShotFixedWidth($in, $out, $page, 'p', 500, 65, 4, 'PNM', $format);
-    }
-
-    public static function makeShotFixedWidth($in, $out, $page, $prefix = '', $w = 100, $quality = 90, $antialiasing = 4, $method = 'PNM', $format = 'jpg')
-    {
-        // Make thumbs of $w width
-        self::makeShot($in, $out, $page, $prefix, null, $quality, $antialiasing, $method, $w, -1, $format);
-    }
-
-    public static function makeShotFixedHeight($in, $out, $page, $prefix = '', $h = '', $quality = 90, $antialiasing = 4, $method = 'PNM', $format = 'jpg')
-    {
-        // Make thumbs of $h height
-        self::makeShot($in, $out, $page, $prefix, null, $quality, $antialiasing, $method, -1, $h, $format);
-    }
-
-    public static function makeSWF($in, $out, $page, $resolution = 100, $quality = 90)
-    {
-        if (file_exists($out)) {
-            unlink($out);
-        }
-        $pdf2swf = new CommandLine('pdf2swf', null, true);
-        $pdf2swf->setArg('p', $page);
-        $pdf2swf->setArg('T', 10);
-        $pdf2swf->setArg('Q', 30);
-        $pdf2swf->setArg('set reordertags', '0');
-        $pdf2swf->setArg('fonts');
-        $pdf2swf->setArg('set storeallcharacters');
-        $pdf2swf->setArg('set subpixels', $resolution / 72);
-        $pdf2swf->setArg('set jpegquality', $quality);
-        $pdf2swf->setArg('set disablelinks');
-        $pdf2swf->setArg('set dots');
-        $pdf2swf->setArg(null, $in);
-        $pdf2swf->setArg('output', $out);
-        $pdf2swf->execute();
-        $pdf2swf->debug();
-
-        if (file_exists($out)) {
-            return;
-        }
-        $pdf2swf = new CommandLine('pdf2swf', null, true);
-        $pdf2swf->setArg('p', $page);
-        $pdf2swf->setArg('T', 10);
-        $pdf2swf->setArg('Q', 120);
-        $pdf2swf->setArg('set poly2bitmap');
-        $pdf2swf->setArg('set storeallcharacters');
-        $pdf2swf->setArg('set reordertags', '0');
-        $pdf2swf->setArg('fonts');
-        $pdf2swf->setArg('set subpixels', $resolution / 72);
-        $pdf2swf->setArg('set jpegquality', $quality);
-        $pdf2swf->setArg('set disablelinks');
-        $pdf2swf->setArg('set dots');
-        $pdf2swf->setArg(null, $in);
-        $pdf2swf->setArg('output', $out);
-        $pdf2swf->execute();
-        $pdf2swf->debug();
-        if (file_exists($out)) {
-            return;
-        }
-        $pdf2swf = new CommandLine('pdf2swf', null, true);
-        $pdf2swf->setArg('p', $page);
-        $pdf2swf->setArg('T', 10);
-        $pdf2swf->setArg('set reordertags', '0');
-        $pdf2swf->setArg('fonts');
-        $pdf2swf->setArg('set bitmap');
-        $pdf2swf->setArg('set storeallcharacters');
-        $pdf2swf->setArg('set subpixels', $resolution / 72);
-        $pdf2swf->setArg('set jpegquality', $quality);
-        $pdf2swf->setArg('set disablelinks');
-        $pdf2swf->setArg('set dots');
-        $pdf2swf->setArg(null, $in);
-        $pdf2swf->setArg('output', $out);
-        $pdf2swf->execute();
-        $pdf2swf->debug();
-    }
-
-
-    public static function makeBaseSVGFile($in, $out, $page)
-    {
-        $pdftocairo = new CommandLine('pdftocairo');
-        $pdftocairo->setArg('f', $page);
-        $pdftocairo->setArg('l', $page);
-        $pdftocairo->setArg('r', 300);
-        $pdftocairo->setArg(null, '-expand');
-        $pdftocairo->setArg(null, '-svg');
-        $pdftocairo->setArg(null, $in);
-        $pdftocairo->setArg(null, $out);
-        $pdftocairo->execute();
-    }
-
-    public static function makeTextSVGFile($in, $out)
-    {
-        $svg = new DOMDocument();
-        $svg->preserveWhiteSpace = false;
-        $svg->load($in, LIBXML_PARSEHUGE);
-
-        // Operations to delete
-        $xpath = new DOMXPath($svg);
-        $xpath->registerNamespace('svg', 'http://www.w3.org/2000/svg');
-        $xpath->registerNamespace('xlink', 'http://www.w3.org/1999/xlink');
-        $xpath->registerNamespace("php", "http://php.net/xpath");
-        $toDelete = [
-            '//svg:defs/svg:g[starts-with(@id, "surface")]//svg:path',
-            '//svg:defs/svg:g[starts-with(@id, "surface")]//svg:rect',
-            '//svg:defs/svg:g[starts-with(@id, "surface")]//svg:use[starts-with(@xlink:href, "#image")]',
-            '/svg:svg/svg:g[@id="surface1"]//svg:path',
-            '/svg:svg/svg:g[@id="surface1"]//svg:rect',
-            '/svg:svg/svg:g[@id="surface1"]//svg:filter',
-            '/svg:svg/svg:g[@id="surface1"]//svg:use[starts-with(@xlink:href, "#image")]',
-            '//svg:svg/svg:g[@id="surface1"]//svg:use[starts-with(@xlink:href, "#image")]',
-        ];
-        $toDeleteIfOrphan = [
-            '//svg:image',
-        ];
-
-        foreach ($toDelete as $q) {
-            $list = $xpath->query($q);
-            if (count($list)) {
-                foreach ($list as $node) {
-                    /* @var $node DOMNode */
-                    $parent = $node->parentNode;
-                    $parent->removeChild($node);
-                }
-            }
-        }
-
-        foreach ($toDeleteIfOrphan as $q) {
-            $list = $xpath->query($q);
-            if (count($list)) {
-                foreach ($list as $node) {
-                    /* @var $node DOMElement */
-                    $id = $node->getAttribute('id');
-                    if ($xpath->query('//*[@id="' . $id . '"]')->count() > 0) {
-                        $parent = $node->parentNode;
-                        $parent->removeChild($node);
-                    }
-                }
-            }
-        }
-        $res = $svg->saveXML();
-        $res = preg_replace('/<g clip-path="url\(#clip\d+\)" clip-rule="nonzero"\/>/', '', $res);
-        while (true) {
-            $res = preg_replace('/<g clip-path="url\(#clip\d+\)" clip-rule="nonzero"><\/g>/', '', $res, -1, $count);
-            if (!$count) {
-                break;
-            }
-        }
-
-        file_put_contents($out, $res);
-    }
-
-    public static function makeShot($in, $out, $page, $prefix = '', $resolution = 72, $quality = 90, $antialiasing = 4, $method = 'PNM', $width = null, $height = null, $format = 'jpg')
-    {
-        $error = false;
-        if ($method === 'GS') {
-            self::makeShotGS($in, $out, $page, $prefix, $resolution, $quality, $antialiasing, $width, $height, $format);
-        } elseif ($method === 'PNM') {
-            self::makeShotPNM($in, $out, $page, $prefix, $resolution, $quality, $antialiasing, true, $width, $height, $format);
-        }
-        // Test the result by checking all files
-        if (!file_exists($out)) {
-            $error = true;
-        }
-        // If error, we try to make thumbs with other method
-        if ($error) {
-            if ($method === 'GS') {
-                self::makeShotPNM($in, $out, $page, $prefix, $resolution, $quality, $antialiasing, true, $width, $height, $format);
-            } elseif ($method === 'PNM') {
-                self::makeShotGS($in, $out, $page, $prefix, $resolution, $quality, $antialiasing, $width, $height, $format);
-            }
-        }
-    }
-
-    protected static function makeShotGS($in, $out, $page, $prefix = '', $resolution = 72, $quality = 90, $antialiasing = 4, $width = null, $height = null, $format = 'jpg')
-    {
-        // Fabrication des thumbnails avec ghostscript
-        $gs = new CommandLine('gs', null, true);
-        $gs->setArg('-dBATCH');
-        $gs->setArg('-dNOPAUSE');
-        $gs->setArg('-dNOPROMPT');
-        // Antialias
-        $gs->setArg('-dDOINTERPOLATE');
-        $gs->setArg('-dTextAlphaBits=' . $antialiasing);
-        $gs->setArg('-dGraphicsAlphaBits=' . $antialiasing);
-        // Device
-        $device = $format === 'jpg' ? 'jpeg' : 'png16m';
-        $gs->setArg('-sDEVICE=' . $device);
-        // Dispotion & colors
-        // $gs->setArg('-dUseCIEColor');
-        $gs->setArg('-dAutoRotatePages=/None');
-        $gs->setArg('-dUseCropBox');
-        // Resolution & Quality
-        $gs->setArg('-r' . round($resolution));
-        if ($format === 'jpg') {
-            $gs->setArg('-dJPEGQ=' . $quality);
-        }
-        // Performances
-        $gs->setArg('-dNumRenderingThreads=4');
-        // Page range
-        $gs->setArg('-dFirstPage=' . $page);
-        $gs->setArg('-dLastPage=' . $page);
-        // Files
-        $gs->setArg('-sOutputFile=' . $out);
-
-        $gs->setArg(null, $in);
-        $gs->execute();
-    }
-
-    public static function makeShotPNM($in, $out, $page, $prefix = '', $resolution = 72, $quality = 90, $antialiasing = 4, $texts = true, $width = null, $height = null, $format = 'jpg')
-    {
-        $tmp = Files::tempnam();
-
-        $antialiasing = $antialiasing ? 'yes' : 'no';
-        $freetype = $texts ? 'yes' : 'no';
-        // Exporte les fichiers
-        $pdftoppm = new CommandLine('pdftoppm', null, true);
-        $pdftoppm->setArg('f', $page);
-        $pdftoppm->setArg('l', $page);
-        $pdftoppm->setArg('-cropbox');
-        $pdftoppm->setArg('-freetype ' . $freetype);
-        $pdftoppm->setArg('-singlefile');
-        $pdftoppm->setArg('-aa ' . $antialiasing);
-        $pdftoppm->setArg('-aaVector ' . $antialiasing);
-        if (null !== $resolution) {
-            $pdftoppm->setArg('r', $resolution);
-        }
-        if (null !== $width) {
-            $pdftoppm->setArg('-scale-to-x ' . $width);
-        }
-        if (null !== $height) {
-            $pdftoppm->setArg('-scale-to-y ' . $height);
-        }
-        $pdftoppm->setArg(null, $in);
-        $pdftoppm->setArg(null, $tmp);
-        $pdftoppm->execute();
-        $tmp .= '.ppm';
-
-
-        if (file_exists($tmp)) {
-            if ($format === 'jpg') {
-                $cjpeg = new CommandLine('cjpeg', null, true);
-                $cjpeg->setArg('-quality ' . ($quality + 6));
-                $cjpeg->setArg('-outfile ' . $out);
-                $cjpeg->setArg(null, $tmp);
-                $cjpeg->execute();
-            } else if ($format === 'png') {
-                $pnmtopng = new CommandLine('pnmtopng', $out, false);
-                $pnmtopng->setArg('-background white');
-                $pnmtopng->setArg(null, $tmp);
-                $pnmtopng->execute();
-            }
-            unlink($tmp);
-        } else {
-            $pdftoppm->debug();
-        }
-    }
-
-    public static function getThumbFromPDF($pdf, $page, $format = 'jpg')
-    {
-        if (!file_exists($pdf)) {
-            return false;
-        }
-        $dir = WS_CACHE . '/thumbs/' . sha1($pdf) . '/';
-        if (!file_exists($dir)) {
-            mkdir($dir, 0777, true);
-        }
-        $image = $dir . '/p' . $page . '.' . $format;
-        $mtime = filemtime($image);
-
-        if (!file_exists($image) || $mtime < filemtime(__FILE__) || $mtime < filemtime($pdf)) {
-            self::makeMiniShot($pdf, $image, $page, $format);
-        }
-
-        return $image;
-    }
-
-    public static function extractLinks($pdf, $out)
-    {
-        $out .= 'links/';
-        Files::mkdir($out);
-
-        if (file_exists($out . '/p1.csv')) {
-            return;
-        }
-        $fwstk = new FWSTK();
-        $fwstk->setArg('--input ' . $pdf);
-        $fwstk->setArg('--extractLinks ' . $out . 'p%d.csv');
-        $fwstk->setArg('--threads 1');
-        $fwstk->execute();
-    }
-
-    public static function extractTexts($pdf, $out, $textExtraction = 'fluidbook', $ignoreSeparators = '')
-    {
-        $out .= 'texts';
-        if ($ignoreSeparators) {
-            $out .= '/sep_' . md5($ignoreSeparators);
-        }
-        $out = Files::mkdir($out);
-
-        $fwstk = new FWSTK();
-        $fwstk->setArg('--input ' . $pdf);
-        $fwstk->setArg('--extractTexts ' . $out . '%s%d.txt');
-        $fwstk->setArg('--extractTextsMethod ' . $textExtraction);
-        $fwstk->setArg('--threads 1');
-        if ($ignoreSeparators) {
-            $fwstk->setArg('--ignoreSeparators ' . $ignoreSeparators);
-        }
-        $fwstk->execute();
-    }
-
-
-    public static function extractHighlightsData($pdf, $out)
-    {
-        $out .= 'texts/';
-        Files::mkdir($out);
-
-        $fwstk = new FWSTK();
-        $fwstk->setArg('--input ' . $pdf);
-        $fwstk->setArg('--layout ' . $out . 'p%d.fby');
-        $fwstk->setArg('--cmaps ' . $out);
-        $fwstk->setArg('--fonts' . $out . 'fonts/web/');
-        $fwstk->execute();
-    }
-
-    public static function fixPDF($in, $out)
-    {
-        if (file_exists($out)) {
-            unlink($out);
-        }
-
-        $pdftk = new CommandLine('pdftk');
-        $pdftk->setArg(null, $in);
-        $pdftk->setArg(null, 'output');
-        $pdftk->setArg(null, $out);
-        $pdftk->execute();
-
-        if (!file_exists($out)) {
-            $pdftocairo = new CommandLine('pdftocairo');
-            $pdftocairo->setPath(CONVERTER_PATH);
-            $pdftocairo->setArg(null, '-pdf');
-            $pdftocairo->setArg(null, $in);
-            $pdftocairo->setArg(null, $out);
-            $pdftocairo->execute();
-        }
-    }
-
-    public static function split($pdf, $out)
-    {
-
-        $lock = $pdf . '.split.lock';
-
-        $returnAfterSleep = false;
-
-        usleep(rand(100000, 2000000));
-
-        while (file_exists($lock)) {
-            if (filemtime($lock) < time() - 300) {
-                unlink($lock);
-            }
-            $returnAfterSleep = true;
-            sleep(5);
-        }
-        if ($returnAfterSleep) {
-            return;
-        }
-
-        touch($lock);
-
-        try {
-            Files::mkdir($out);
-            $pdftk = new CommandLine('pdftk');
-            $pdftk->setArg(null, $pdf);
-            $pdftk->setArg(null, 'burst');
-            $pdftk->setArg(null, 'uncompress');
-            $pdftk->setArg(null, 'output');
-            $pdftk->setArg(null, $out . '/p%d.pdf');
-            $pdftk->execute();
-
-
-            for ($i = 1; true; $i++) {
-                // Remove annotations : https://gist.github.com/stefanschmidt/5248592
-                $file = sprintf($out . '/p%d.pdf', $i);
-                if (!file_exists($file)) {
-                    break;
-                }
-                $to = sprintf($out . '/s%d.pdf', $i);
-                `LANG=C LC_CTYPE=C sed -n '/^\/Annots/!p' $file > $to`;
-                if (file_exists($to)) {
-                    if (filesize($to) > 0) {
-                        unlink($file);
-                        rename($to, $file);
-                    } else {
-                        unlink($to);
-                    }
-                }
-            }
-        } catch (\Exception $e) {
-
-        }
-        unlink($lock);
-    }
-
-    public static function compressPDF($source, $dest, $resolution = 72)
-    {
-        $gs = new CommandLine('gs');
-        $gs->setArg('-dBATCH');
-        $gs->setArg('-dNOPAUSE');
-        $gs->setArg('-dNOPROMPT');
-        $gs->setArg('-sOutputFile=' . $dest);
-        $gs->setArg('-sDEVICE=pdfwrite');
-        $gs->setArg('-dPDFSETTINGS=/ebook');
-        $gs->setArg('-dColorImageResolution=' . $resolution);
-        $gs->setArg('-dAutoRotatePages=/None');
-        $gs->setArg('-dColorConversionStrategy=/LeaveColorUnchanged');
-        $gs->setArg(null, $source);
-        $gs->execute();
-    }
+class PDFTools {
+	/**
+	 * @param $path string
+	 * @return string
+	 */
+
+	public static function resource_path($path) {
+		return __DIR__ . '/../resources/' . self::_cleanPath($path);
+	}
+
+	/**
+	 * @param $path string
+	 * @return string
+	 */
+	public static function tools_path($path, $chmod = false) {
+		$res = self::resource_path('tools/' . self::_cleanPath($path));
+		if ($chmod) {
+			self::chmodExec($res);
+		}
+		return $res;
+	}
+
+	public static function chmodExec($path) {
+		if (is_file($path)) {
+			@chmod($path, 0755);
+		}
+	}
+
+	protected static function parseInfos($data) {
+		$res = [];
+
+		// This function get general infos (pages sizes, boxes, number sections and
+		// bookmarks
+		// Init arrays
+		$res['raw'] = $data;
+		$res['infos'] = [];
+		$res['infos']['size'] = [0, 0];
+		$res['bookmarks'] = [];
+		$res['numberSections'] = '';
+		$bookmark_id = 0;
+
+		$res['size'] = array(0, 0);
+		$lines = explode("\n", $data);
+		foreach ($lines as $line) {
+			$line = trim(Text::condenseWhite($line));
+			$e = explode(':', $line, 2);
+			$k = trim($e[0]);
+			if (count($e) < 2) {
+				continue;
+			}
+			$v = trim($e[1]);
+			if ($k == 'Pages' || $k == 'NumberOfPages') {
+				$res['pages'] = $res['infos']['pages'] = $v;
+				$res['infos']['page'] = [];
+				for ($i = 1; $i <= $res['pages']; $i++) {
+					$res['infos']['page'][$i] = [];
+				}
+			} elseif (preg_match('|Page\s+([0-9]+)\s+(.*)Box:\s+([0-9.]*)\s+([0-9.]*)\s+([0-9.]*)\s+([0-9.]*)|iu', $line, $m)) {
+				$res['infos']['page'][$m[1]][strtolower($m[2])] = [$m[3], $m[4], $m[5], $m[6]];
+			} elseif (preg_match('|Page\s+([0-9]+)\s+size:\s+([0-9.]*)[pts[:space:]]+x\s+([0-9.]*)\s+pts|iu', $line, $m)) {
+				$res['infos']['page'][$m[1]]['size'] = array($m[2], $m[3]);
+				if ($m[1] == 1) {
+					$res['infos']['size'][0] = $m[2];
+					$res['infos']['size'][1] = $m[3];
+				}
+			} elseif ($k == 'BookmarkTitle') {
+				$res['bookmarks'][$bookmark_id] = array('titre' => str_replace('&#13;', '', trim($v)));
+			} elseif ($k == 'BookmarkLevel') {
+				$res['bookmarks'][$bookmark_id]['level'] = $v;
+			} elseif ($k == 'BookmarkPage') {
+				$res['bookmarks'][$bookmark_id]['page'] = $v;
+				$bookmark_id++;
+			} elseif ($k == 'NumberSections') {
+				$res['numberSections'] = $v;
+				$res['infos']['pagenumbers'] = $v;
+			}
+		}
+		return $res;
+	}
+
+	/**
+	 * @throws \Exception
+	 */
+	public static function infos($pdf) {
+		if (!file_exists($pdf)) {
+			throw new \Exception('Unable to parse infos of ' . $pdf . ' : file not found');
+		}
+		$fwstk = new FWSTK();
+		$fwstk->setArg('--input ' . $pdf);
+		$fwstk->setArg('--infos');
+		$fwstk->execute();
+		$out = $fwstk->getOutput();
+
+		$pdfinfo = new CommandLine('pdfinfo');
+		$pdfinfo->setArg('-box');
+		$pdfinfo->setArg('f', 1);
+		$pdfinfo->setArg('l', 100000);
+		$pdfinfo->setArg(null, $pdf);
+		$pdfinfo->execute();
+		$out .= "\n";
+		$out .= $pdfinfo->getOutput();
+
+		return self::parseInfos($out);
+	}
+
+	/**
+	 * @param $path string
+	 * @return string
+	 */
+	protected static function _cleanPath($path) {
+		return trim($path, '/');
+	}
+
+	public static function makeMiniShot($in, $out, $page, $format = 'jpg') {
+		self::makeShotFixedWidth($in, $out, $page, 'p', 500, 65, 4, 'PNM', $format);
+	}
+
+	public static function makeShotFixedWidth($in, $out, $page, $prefix = '', $w = 100, $quality = 90, $antialiasing = 4, $method = 'PNM', $format = 'jpg') {
+		// Make thumbs of $w width
+		self::makeShot($in, $out, $page, $prefix, null, $quality, $antialiasing, $method, $w, -1, $format);
+	}
+
+	public static function makeShotFixedHeight($in, $out, $page, $prefix = '', $h = '', $quality = 90, $antialiasing = 4, $method = 'PNM', $format = 'jpg') {
+		// Make thumbs of $h height
+		self::makeShot($in, $out, $page, $prefix, null, $quality, $antialiasing, $method, -1, $h, $format);
+	}
+
+	public static function makeSWF($in, $out, $page, $resolution = 100, $quality = 90) {
+		if (file_exists($out)) {
+			unlink($out);
+		}
+		$pdf2swf = new CommandLine('pdf2swf', null, true);
+		$pdf2swf->setArg('p', $page);
+		$pdf2swf->setArg('T', 10);
+		$pdf2swf->setArg('Q', 30);
+		$pdf2swf->setArg('set reordertags', '0');
+		$pdf2swf->setArg('fonts');
+		$pdf2swf->setArg('set storeallcharacters');
+		$pdf2swf->setArg('set subpixels', $resolution / 72);
+		$pdf2swf->setArg('set jpegquality', $quality);
+		$pdf2swf->setArg('set disablelinks');
+		$pdf2swf->setArg('set dots');
+		$pdf2swf->setArg(null, $in);
+		$pdf2swf->setArg('output', $out);
+		$pdf2swf->execute();
+		$pdf2swf->debug();
+
+		if (file_exists($out)) {
+			return;
+		}
+		$pdf2swf = new CommandLine('pdf2swf', null, true);
+		$pdf2swf->setArg('p', $page);
+		$pdf2swf->setArg('T', 10);
+		$pdf2swf->setArg('Q', 120);
+		$pdf2swf->setArg('set poly2bitmap');
+		$pdf2swf->setArg('set storeallcharacters');
+		$pdf2swf->setArg('set reordertags', '0');
+		$pdf2swf->setArg('fonts');
+		$pdf2swf->setArg('set subpixels', $resolution / 72);
+		$pdf2swf->setArg('set jpegquality', $quality);
+		$pdf2swf->setArg('set disablelinks');
+		$pdf2swf->setArg('set dots');
+		$pdf2swf->setArg(null, $in);
+		$pdf2swf->setArg('output', $out);
+		$pdf2swf->execute();
+		$pdf2swf->debug();
+		if (file_exists($out)) {
+			return;
+		}
+		$pdf2swf = new CommandLine('pdf2swf', null, true);
+		$pdf2swf->setArg('p', $page);
+		$pdf2swf->setArg('T', 10);
+		$pdf2swf->setArg('set reordertags', '0');
+		$pdf2swf->setArg('fonts');
+		$pdf2swf->setArg('set bitmap');
+		$pdf2swf->setArg('set storeallcharacters');
+		$pdf2swf->setArg('set subpixels', $resolution / 72);
+		$pdf2swf->setArg('set jpegquality', $quality);
+		$pdf2swf->setArg('set disablelinks');
+		$pdf2swf->setArg('set dots');
+		$pdf2swf->setArg(null, $in);
+		$pdf2swf->setArg('output', $out);
+		$pdf2swf->execute();
+		$pdf2swf->debug();
+	}
+
+
+	public static function makeBaseSVGFile($in, $out, $page) {
+		$pdftocairo = new CommandLine('pdftocairo');
+		$pdftocairo->setArg('f', $page);
+		$pdftocairo->setArg('l', $page);
+		$pdftocairo->setArg('r', 300);
+		$pdftocairo->setArg(null, '-expand');
+		$pdftocairo->setArg(null, '-svg');
+		$pdftocairo->setArg(null, $in);
+		$pdftocairo->setArg(null, $out);
+		$pdftocairo->execute();
+	}
+
+	public static function makeTextSVGFile($in, $out) {
+		$svg = new DOMDocument();
+		$svg->preserveWhiteSpace = false;
+		$svg->load($in, LIBXML_PARSEHUGE);
+
+		// Operations to delete
+		$xpath = new DOMXPath($svg);
+		$xpath->registerNamespace('svg', 'http://www.w3.org/2000/svg');
+		$xpath->registerNamespace('xlink', 'http://www.w3.org/1999/xlink');
+		$xpath->registerNamespace("php", "http://php.net/xpath");
+		$toDelete = [
+			'//svg:defs/svg:g[starts-with(@id, "surface")]//svg:path',
+			'//svg:defs/svg:g[starts-with(@id, "surface")]//svg:rect',
+			'//svg:defs/svg:g[starts-with(@id, "surface")]//svg:use[starts-with(@xlink:href, "#image")]',
+			'/svg:svg/svg:g[@id="surface1"]//svg:path',
+			'/svg:svg/svg:g[@id="surface1"]//svg:rect',
+			'/svg:svg/svg:g[@id="surface1"]//svg:filter',
+			'/svg:svg/svg:g[@id="surface1"]//svg:use[starts-with(@xlink:href, "#image")]',
+			'//svg:svg/svg:g[@id="surface1"]//svg:use[starts-with(@xlink:href, "#image")]',
+		];
+		$toDeleteIfOrphan = [
+			'//svg:image',
+		];
+
+		foreach ($toDelete as $q) {
+			$list = $xpath->query($q);
+			if (count($list)) {
+				foreach ($list as $node) {
+					/* @var $node DOMNode */
+					$parent = $node->parentNode;
+					$parent->removeChild($node);
+				}
+			}
+		}
+
+		foreach ($toDeleteIfOrphan as $q) {
+			$list = $xpath->query($q);
+			if (count($list)) {
+				foreach ($list as $node) {
+					/* @var $node DOMElement */
+					$id = $node->getAttribute('id');
+					if ($xpath->query('//*[@id="' . $id . '"]')->count() > 0) {
+						$parent = $node->parentNode;
+						$parent->removeChild($node);
+					}
+				}
+			}
+		}
+		$res = $svg->saveXML();
+		$res = preg_replace('/<g clip-path="url\(#clip\d+\)" clip-rule="nonzero"\/>/', '', $res);
+		while (true) {
+			$res = preg_replace('/<g clip-path="url\(#clip\d+\)" clip-rule="nonzero"><\/g>/', '', $res, -1, $count);
+			if (!$count) {
+				break;
+			}
+		}
+
+		file_put_contents($out, $res);
+	}
+
+	public static function makeShot($in, $out, $page, $prefix = '', $resolution = 72, $quality = 90, $antialiasing = 4, $method = 'PNM', $width = null, $height = null, $format = 'jpg') {
+		$error = false;
+		if ($method === 'GS') {
+			self::makeShotGS($in, $out, $page, $prefix, $resolution, $quality, $antialiasing, $width, $height, $format);
+		} elseif ($method === 'PNM') {
+			self::makeShotPNM($in, $out, $page, $prefix, $resolution, $quality, $antialiasing, true, $width, $height, $format);
+		}
+		// Test the result by checking all files
+		if (!file_exists($out)) {
+			$error = true;
+		}
+		// If error, we try to make thumbs with other method
+		if ($error) {
+			if ($method === 'GS') {
+				self::makeShotPNM($in, $out, $page, $prefix, $resolution, $quality, $antialiasing, true, $width, $height, $format);
+			} elseif ($method === 'PNM') {
+				self::makeShotGS($in, $out, $page, $prefix, $resolution, $quality, $antialiasing, $width, $height, $format);
+			}
+		}
+	}
+
+	protected static function makeShotGS($in, $out, $page, $prefix = '', $resolution = 72, $quality = 90, $antialiasing = 4, $width = null, $height = null, $format = 'jpg') {
+		// Fabrication des thumbnails avec ghostscript
+		$gs = new CommandLine('gs', null, true);
+		$gs->setArg('-dBATCH');
+		$gs->setArg('-dNOPAUSE');
+		$gs->setArg('-dNOPROMPT');
+		// Antialias
+		$gs->setArg('-dDOINTERPOLATE');
+		$gs->setArg('-dTextAlphaBits=' . $antialiasing);
+		$gs->setArg('-dGraphicsAlphaBits=' . $antialiasing);
+		// Device
+		$device = $format === 'jpg' ? 'jpeg' : 'png16m';
+		$gs->setArg('-sDEVICE=' . $device);
+		// Dispotion & colors
+		// $gs->setArg('-dUseCIEColor');
+		$gs->setArg('-dAutoRotatePages=/None');
+		$gs->setArg('-dUseCropBox');
+		// Resolution & Quality
+		$gs->setArg('-r' . round($resolution));
+		if ($format === 'jpg') {
+			$gs->setArg('-dJPEGQ=' . $quality);
+		}
+		// Performances
+		$gs->setArg('-dNumRenderingThreads=4');
+		// Page range
+		$gs->setArg('-dFirstPage=' . $page);
+		$gs->setArg('-dLastPage=' . $page);
+		// Files
+		$gs->setArg('-sOutputFile=' . $out);
+
+		$gs->setArg(null, $in);
+		$gs->execute();
+	}
+
+	public static function makeShotPNM($in, $out, $page, $prefix = '', $resolution = 72, $quality = 90, $antialiasing = 4, $texts = true, $width = null, $height = null, $format = 'jpg') {
+		$tmp = Files::tempnam();
+
+		$antialiasing = $antialiasing ? 'yes' : 'no';
+		$freetype = $texts ? 'yes' : 'no';
+		// Exporte les fichiers
+		$pdftoppm = new CommandLine('pdftoppm', null, true);
+		$pdftoppm->setArg('f', $page);
+		$pdftoppm->setArg('l', $page);
+		$pdftoppm->setArg('-cropbox');
+		$pdftoppm->setArg('-freetype ' . $freetype);
+		$pdftoppm->setArg('-singlefile');
+		$pdftoppm->setArg('-aa ' . $antialiasing);
+		$pdftoppm->setArg('-aaVector ' . $antialiasing);
+		if (null !== $resolution) {
+			$pdftoppm->setArg('r', $resolution);
+		}
+		if (null !== $width) {
+			$pdftoppm->setArg('-scale-to-x ' . $width);
+		}
+		if (null !== $height) {
+			$pdftoppm->setArg('-scale-to-y ' . $height);
+		}
+		$pdftoppm->setArg(null, $in);
+		$pdftoppm->setArg(null, $tmp);
+		$pdftoppm->execute();
+		$tmp .= '.ppm';
+
+
+		if (file_exists($tmp)) {
+			if ($format === 'jpg') {
+				$cjpeg = new CommandLine('cjpeg', null, true);
+				$cjpeg->setArg('-quality ' . ($quality + 6));
+				$cjpeg->setArg('-outfile ' . $out);
+				$cjpeg->setArg(null, $tmp);
+				$cjpeg->execute();
+			} else if ($format === 'png') {
+				$pnmtopng = new CommandLine('pnmtopng', $out, false);
+				$pnmtopng->setArg('-background white');
+				$pnmtopng->setArg(null, $tmp);
+				$pnmtopng->execute();
+			}
+			unlink($tmp);
+		} else {
+			$pdftoppm->debug();
+		}
+	}
+
+	public static function getThumbFromPDF($pdf, $page, $format = 'jpg') {
+		if (!file_exists($pdf)) {
+			return false;
+		}
+		$dir = WS_CACHE . '/thumbs/' . sha1($pdf) . '/';
+		if (!file_exists($dir)) {
+			mkdir($dir, 0777, true);
+		}
+		$image = $dir . '/p' . $page . '.' . $format;
+		$mtime = filemtime($image);
+
+		if (!file_exists($image) || $mtime < filemtime(__FILE__) || $mtime < filemtime($pdf)) {
+			self::makeMiniShot($pdf, $image, $page, $format);
+		}
+
+		return $image;
+	}
+
+	public static function extractLinks($pdf, $out) {
+		$out .= 'links/';
+		Files::mkdir($out);
+
+		if (file_exists($out . '/p1.csv')) {
+			return;
+		}
+		$fwstk = new FWSTK();
+		$fwstk->setArg('--input ' . $pdf);
+		$fwstk->setArg('--extractLinks ' . $out . 'p%d.csv');
+		$fwstk->setArg('--threads 1');
+		$fwstk->execute();
+	}
+
+	public static function extractTexts($pdf, $out, $textExtraction = 'fluidbook', $ignoreSeparators = '') {
+		$out .= 'texts';
+		if ($ignoreSeparators) {
+			$out .= '/sep_' . md5($ignoreSeparators);
+		}
+		$out = Files::mkdir($out);
+
+		$fwstk = new FWSTK();
+		$fwstk->setArg('--input ' . $pdf);
+		$fwstk->setArg('--extractTexts ' . $out . '%s%d.txt');
+		$fwstk->setArg('--extractTextsMethod ' . $textExtraction);
+		$fwstk->setArg('--threads 1');
+		if ($ignoreSeparators) {
+			$fwstk->setArg('--ignoreSeparators ' . $ignoreSeparators);
+		}
+		$fwstk->execute();
+	}
+
+
+	public static function extractHighlightsData($pdf, $out) {
+		$out .= 'texts/';
+		Files::mkdir($out);
+
+		$fwstk = new FWSTK();
+		$fwstk->setArg('--input ' . $pdf);
+		$fwstk->setArg('--layout ' . $out . 'p%d.fby');
+		$fwstk->setArg('--cmaps ' . $out);
+		$fwstk->setArg('--fonts' . $out . 'fonts/web/');
+		$fwstk->execute();
+	}
+
+	public static function fixPDF($in, $out) {
+		if (file_exists($out)) {
+			unlink($out);
+		}
+
+		$pdftk = new CommandLine('pdftk');
+		$pdftk->setArg(null, $in);
+		$pdftk->setArg(null, 'output');
+		$pdftk->setArg(null, $out);
+		$pdftk->execute();
+
+		if (!file_exists($out)) {
+			$pdftocairo = new CommandLine('pdftocairo');
+			$pdftocairo->setPath(CONVERTER_PATH);
+			$pdftocairo->setArg(null, '-pdf');
+			$pdftocairo->setArg(null, $in);
+			$pdftocairo->setArg(null, $out);
+			$pdftocairo->execute();
+		}
+	}
+
+	public static function split($pdf, $out) {
+
+		$lock = $pdf . '.split.lock';
+
+		$returnAfterSleep = false;
+
+		usleep(rand(100000, 2000000));
+
+		while (file_exists($lock)) {
+			if (filemtime($lock) < time() - 300) {
+				unlink($lock);
+			}
+			$returnAfterSleep = true;
+			sleep(5);
+		}
+		if ($returnAfterSleep) {
+			return;
+		}
+
+		touch($lock);
+
+		try {
+			Files::mkdir($out);
+			$pdftk = new CommandLine('pdftk');
+			$pdftk->setArg(null, $pdf);
+			$pdftk->setArg(null, 'burst');
+			$pdftk->setArg(null, 'uncompress');
+			$pdftk->setArg(null, 'output');
+			$pdftk->setArg(null, $out . '/p%d.pdf');
+			$pdftk->execute();
+
+
+			for ($i = 1; true; $i++) {
+				// Remove annotations : https://gist.github.com/stefanschmidt/5248592
+				$file = sprintf($out . '/p%d.pdf', $i);
+				if (!file_exists($file)) {
+					break;
+				}
+				$to = sprintf($out . '/s%d.pdf', $i);
+				`LANG=C LC_CTYPE=C sed -n '/^\/Annots/!p' $file > $to`;
+				if (file_exists($to)) {
+					if (filesize($to) > 0) {
+						unlink($file);
+						rename($to, $file);
+					} else {
+						unlink($to);
+					}
+				}
+			}
+		} catch (\Exception $e) {
+
+		}
+		unlink($lock);
+	}
+
+	public static function compressPDF($source, $dest, $resolution = 72) {
+		$gs = new CommandLine('gs');
+		$gs->setArg('-dBATCH');
+		$gs->setArg('-dNOPAUSE');
+		$gs->setArg('-dNOPROMPT');
+		$gs->setArg('-sOutputFile=' . $dest);
+		$gs->setArg('-sDEVICE=pdfwrite');
+		$gs->setArg('-dPDFSETTINGS=/ebook');
+		$gs->setArg('-dColorImageResolution=' . $resolution);
+		$gs->setArg('-dAutoRotatePages=/None');
+		$gs->setArg('-dColorConversionStrategy=/LeaveColorUnchanged');
+		$gs->setArg(null, $source);
+		$gs->execute();
+	}
 
 }