105 lines
3.2 KiB
PHP
105 lines
3.2 KiB
PHP
<?php
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/**
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* PHPWord
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*
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* @link https://github.com/PHPOffice/PHPWord
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* @copyright 2014 PHPWord
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* @license http://www.gnu.org/licenses/lgpl.txt LGPL version 3
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*/
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namespace PhpOffice\PhpWord\Writer\HTML\Element;
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use PhpOffice\PhpWord\Element\Image as ImageElement;
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use PhpOffice\PhpWord\Writer\HTML\Style\Image as ImageStyleWriter;
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/**
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* Image element HTML writer
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*
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* @since 0.10.0
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*/
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class Image extends Element
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{
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/**
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* Write image
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*
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* @return string
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*/
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public function write()
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{
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$html = '';
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if (!$this->element instanceof ImageElement) {
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return $html;
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}
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if (!$this->parentWriter->isPdf()) {
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$imageData = $this->getBase64ImageData($this->element);
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if (!is_null($imageData)) {
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$styleWriter = new ImageStyleWriter($this->element->getStyle());
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$style = $styleWriter->write();
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$html = "<img border=\"0\" style=\"{$style}\" src=\"{$imageData}\"/>";
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if (!$this->withoutP) {
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$html = "<p>{$html}</p>" . PHP_EOL;
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}
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}
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}
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return $html;
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}
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/**
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* Get Base64 image data
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*
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* @return string|null
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*/
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private function getBase64ImageData(ImageElement $element)
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{
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$source = $element->getSource();
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$imageType = $element->getImageType();
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$imageData = null;
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$imageBinary = null;
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$actualSource = null;
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// Get actual source from archive image or other source
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// Return null if not found
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if ($element->getSourceType() == ImageElement::SOURCE_ARCHIVE) {
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$source = substr($source, 6);
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list($zipFilename, $imageFilename) = explode('#', $source);
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$zipClass = \PhpOffice\PhpWord\Settings::getZipClass();
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$zip = new $zipClass();
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if ($zip->open($zipFilename) !== false) {
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if ($zip->locateName($imageFilename)) {
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$zip->extractTo($this->parentWriter->getTempDir(), $imageFilename);
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$actualSource = $this->parentWriter->getTempDir() . DIRECTORY_SEPARATOR . $imageFilename;
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}
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}
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$zip->close();
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} else {
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$actualSource = $source;
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}
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if (is_null($actualSource)) {
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return null;
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}
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// Read image binary data and convert into Base64
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if ($element->getSourceType() == ImageElement::SOURCE_GD) {
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$imageResource = call_user_func($element->getImageCreateFunction(), $actualSource);
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ob_start();
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call_user_func($element->getImageFunction(), $imageResource);
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$imageBinary = ob_get_contents();
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ob_end_clean();
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} else {
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if ($fileHandle = fopen($actualSource, 'rb', false)) {
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$imageBinary = fread($fileHandle, filesize($actualSource));
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fclose($fileHandle);
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}
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}
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if (!is_null($imageBinary)) {
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$base64 = chunk_split(base64_encode($imageBinary));
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$imageData = 'data:' . $imageType . ';base64,' . $base64;
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}
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return $imageData;
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}
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}
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