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37 lines
976 B
PHP
37 lines
976 B
PHP
<?php
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/**
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* Name: Tesseract OCR
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* Description: Use OCR to get text from images
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* Version: 0.1
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* Author: Michael Vogel <http://pirati.ca/profile/heluecht>
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*/
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use Friendica\Core\Hook;
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use Friendica\Core\Logger;
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use Friendica\Core\System;
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use thiagoalessio\TesseractOCR\TesseractOCR;
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require_once __DIR__ . DIRECTORY_SEPARATOR . 'vendor' . DIRECTORY_SEPARATOR . 'autoload.php';
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function tesseract_install()
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{
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Hook::register('ocr-detection', __FILE__, 'tesseract_ocr_detection');
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Logger::notice('installed tesseract');
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}
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function tesseract_ocr_detection(&$media)
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{
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$ocr = new TesseractOCR();
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try {
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$languages = $ocr->availableLanguages();
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if ($languages) {
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$ocr->lang(implode('+', $languages));
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}
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$ocr->tempDir(System::getTempPath());
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$ocr->imageData($media['img_str'], strlen($media['img_str']));
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$media['description'] = $ocr->run();
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} catch (\Throwable $th) {
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Logger::info('Error calling TesseractOCR', ['message' => $th->getMessage()]);
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}
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}
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