function wmfOrEmfToPdf($imagePath, &$currentXml)
{
//Step 1. Detect width/height of image.
$imageName = basename($imagePath);
$imageOffset = strpos($currentXml, $imageName);
if ($imageOffset === False) {
return False;
}
//image not in document, don't worry about it.
//header('Content-type: text/xml'); die($currentXml);
$dom = simplexml_load_string($currentXml);
$xpath = "//*[@xlink:href='" . $imageName . "']//parent::draw:frame";
$imageMatch = $dom->xpath($xpath);
if (count($imageMatch) == 0) {
webServiceError('&error-process-convertimages-no-dom;', 500, array('xpath' => $xpath));
}
$imageMatch = $imageMatch[0];
$attributes = $imageMatch->attributes('svg', true);
$width = (string) $attributes['width'];
$height = (string) $attributes['height'];
//Step 2. Make an ODT file containing only the WMF/EMF
// (ugh.. I know, but it works and it's reliable because we benefit from OpenOffice's years of
// reverse-engineering the EMF/WMF formats so really we should get over it)
//step 2a -- make a working directory for our OpenDocument file and copy the files in
$workingDirectory = getTemporaryDirectoryInsideDirectory($this->contentDirectory);
mkdir($workingDirectory . DIRECTORY_SEPARATOR . 'Pictures');
$destinationImagePath = $workingDirectory . DIRECTORY_SEPARATOR . 'Pictures' . DIRECTORY_SEPARATOR . basename($imagePath);
copy($imagePath, $destinationImagePath);
$odtTemplateDirectory = DOCVERT_DIR . 'core' . DIRECTORY_SEPARATOR . 'files' . DIRECTORY_SEPARATOR;
$stylesXml = file_get_contents($odtTemplateDirectory . 'styles.xml');
$stylesXml = str_replace('{{page-width}}', $width, $stylesXml);
$stylesXml = str_replace('{{page-height}}', $height, $stylesXml);
file_put_contents($workingDirectory . DIRECTORY_SEPARATOR . 'styles.xml', $stylesXml);
copy($odtTemplateDirectory . 'settings.xml', $workingDirectory . DIRECTORY_SEPARATOR . 'settings.xml');
copy($odtTemplateDirectory . 'meta.xml', $workingDirectory . DIRECTORY_SEPARATOR . 'meta.xml');
copy($odtTemplateDirectory . 'manifest.rdf', $workingDirectory . DIRECTORY_SEPARATOR . 'manifest.rdf');
copy($odtTemplateDirectory . 'mimetype', $workingDirectory . DIRECTORY_SEPARATOR . 'mimetype');
$contentXml = file_get_contents($odtTemplateDirectory . 'content.xml');
$imageTemplate = '<text:p><draw:frame text:anchor-type="as-char" svg:width="{{width}}" svg:height="{{height}}" draw:z-index="1"><draw:image xlink:href="{{path}}" xlink:type="simple" xlink:show="embed" xlink:actuate="onLoad"/></draw:frame></text:p>';
$imageString = str_replace('{{width}}', $width, $imageTemplate);
$imageString = str_replace('{{height}}', $height, $imageString);
$imageString = str_replace('{{path}}', 'Pictures/' . basename($destinationImagePath), $imageString);
$contentXml = str_replace('<!--{{content}}-->', $imageString, $contentXml);
file_put_contents($workingDirectory . DIRECTORY_SEPARATOR . 'content.xml', $contentXml);
mkdir($workingDirectory . DIRECTORY_SEPARATOR . 'META-INF');
$manifestXml = file_get_contents($odtTemplateDirectory . 'manifest.xml');
$manifestItemTemplate = ' <manifest:file-entry manifest:media-type="" manifest:full-path="{{path}}"/>';
$manifestItem = str_replace('{{path}}', 'Pictures/' . basename($imagePath), $manifestItemTemplate);
$manifestXml = str_replace('<!--{{content}}-->', $manifestItem, $manifestXml);
file_put_contents($workingDirectory . DIRECTORY_SEPARATOR . 'META-INF' . DIRECTORY_SEPARATOR . 'manifest.xml', $manifestXml);
//step 2b zip it into an ODT
$zipPath = $this->contentDirectory . DIRECTORY_SEPARATOR . basename($imagePath) . '.odt';
$zipPath = zipFiles($workingDirectory, $zipPath);
$zipData = file_get_contents($zipPath);
silentlyUnlink($zipPath);
silentlyUnlink($workingDirectory);
//Step 3 . Stream it to PyODConverter. Make a PDF and save it.
$pyodConverterPath = DOCVERT_DIR . 'core' . DIRECTORY_SEPARATOR . 'lib' . DIRECTORY_SEPARATOR . 'pyodconverter' . DIRECTORY_SEPARATOR . 'pyodconverter.py';
if (!file_exists($pyodConverterPath)) {
die("Can't find PyODconverter at " . htmlentities($pyodConverterPath));
}
$command = $pyodConverterPath . ' --stream --pdf';
$response = shellCommand($command, 20, $zipData, false);
$pdfMagicBytes = '%PDF';
if (substr($response['stdOut'], 0, strlen($pdfMagicBytes)) != $pdfMagicBytes) {
die("Expected a PDF response was didn't receive one. Received back " . htmlentities(print_r($response, true)));
}
$imagePathInfo = pathinfo($imagePath);
$pdfPath = dirname($imagePath) . DIRECTORY_SEPARATOR . basename($imagePath, '.' . $imagePathInfo['extension']) . '.pdf';
file_put_contents($pdfPath, $response['stdOut']);
return array('width' => $width, 'height' => $height, 'path' => $pdfPath);
}
foreach ($zipsInPreviewDirectory as $zipInPreviewDirectory) {
silentlyUnlink($zipInPreviewDirectory);
if (file_exists($zipInPreviewDirectory)) {
webServiceError('Docvert internal error: unable to remove ZIP file at "' . $zipInPreviewDirectory . '"');
}
}
$zipFilePath = $zipsInPreviewDirectory[0];
} else {
$zipFileName = chooseNameOfZipFile($allDocumentsPreviewDirectory);
$zipFilePath = $allDocumentsPreviewDirectory . $zipFileName;
}
$filesInPreviewDirectory = glob($previewDirectory . '*');
foreach ($filesInPreviewDirectory as $fileInPreviewDirectory) {
if (!stringStartsWith(basename($fileInPreviewDirectory), "docvert") && !stringEndsWith(basename($fileInPreviewDirectory), "wmf") && !stringEndsWith(basename($fileInPreviewDirectory), "gif") && !stringEndsWith(basename($fileInPreviewDirectory), "png") && !stringEndsWith(basename($fileInPreviewDirectory), "jpeg") && !stringEndsWith(basename($fileInPreviewDirectory), "jpg") && !stringEndsWith(basename($fileInPreviewDirectory), "svg")) {
//print 'Delete: '.$fileInPreviewDirectory.'<br />';
silentlyUnlink($fileInPreviewDirectory);
} else {
//print 'Retain: '.$fileInPreviewDirectory.'<br />';
}
}
$docbookPath = $previewDirectory . 'docvert--all-docbook.xml';
$docbook = file_get_contents($docbookPath);
$docbook = str_replace('{{body}}', $docbookBody, $docbook);
$docbook = str_replace('{{title}}', $docbookTitle, $docbook);
$contentPath = $previewDirectory . 'content.xml';
file_put_contents($contentPath, $docbook);
$pipelineToUse = $pipeline;
$autoPipeline = $autopipeline;
$skipAheadToDocbook = true;
$pipelinePreviewDirectory = 'writable' . DIRECTORY_SEPARATOR . $documentPathParts[0];
applyPipeline($contentPath, $pipelineToUse, $autoPipeline, $pipelinePreviewDirectory, $skipAheadToDocbook);
/**
* Recursively deletes a file but doesn't complain if it wasn't able to
* Eg. due to permissions
*/
function silentlyUnlink($path)
{
if (is_dir($path)) {
$pathContainsItems = glob($path . DIRECTORY_SEPARATOR . '*');
foreach ($pathContainsItems as $pathContainsItem) {
silentlyUnlink($pathContainsItem);
}
if (@(!rmdir($path))) {
silentlyAppendLineToLog('Unable to delete directory ' . $path, 'error');
}
} else {
if (@(!unlink($path))) {
silentlyAppendLineToLog('Unable to delete file ' . $path, 'error');
}
}
}