120 lines
3.9 KiB
PHP
120 lines
3.9 KiB
PHP
<?php
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defined('BASEPATH') or exit('No direct script access allowed');
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class Ocr_oroute
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{
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const API_KEY = "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";
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const API_URL = "https://openrouter.ai/api/v1/chat/completions";
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public $modelName;
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public $temperature = 0.1;
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public function extract_ocr($imagePath)
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{
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if (!file_exists($imagePath)) {
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return ["status" => "ERR", "message" => "Error: File not found."];
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}
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// Load image and convert to black and white
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$image = imagecreatefromstring(file_get_contents($imagePath));
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// imagefilter($image, IMG_FILTER_GRAYSCALE);
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// Get original dimensions and resize
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// $originalWidth = imagesx($image);
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// $originalHeight = imagesy($image);
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// $newWidth = intval(640);
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// $newHeight = intval($originalHeight * ($newWidth / $originalWidth));
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// $resizedImage = imagecreatetruecolor($newWidth, $newHeight);
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// imagecopyresampled($resizedImage, $image, 0, 0, 0, 0, $newWidth, $newHeight, $originalWidth, $originalHeight);
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// Convert image to base64
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ob_start();
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// imagejpeg($resizedImage);
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imagejpeg($image);
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$imageData = ob_get_clean();
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$imgStr = base64_encode($imageData);
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$imgStrNew = "data:image/jpeg;base64," . $imgStr;
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// Prepare request payload
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$payload = json_encode([
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"model" => $this->modelName,
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"messages" => [[
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"role" => "user",
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"content" => [
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[
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"type" => "text",
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"text" => "Extract all text from the given image. Return result only, in the pattern label:value as it is, without translation."
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],
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[
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"type" => "image_url",
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"image_url" => [
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"url" => $imgStrNew
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],
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]
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],
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]],
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"options" => ["temperature" => $this->temperature],
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"stream" => false
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]);
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// Initialize cURL
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$ch = curl_init(self::API_URL);
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curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
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curl_setopt($ch, CURLOPT_POST, true);
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curl_setopt($ch, CURLOPT_HTTPHEADER, [
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"Content-Type: application/json",
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"Authorization: Bearer " . self::API_KEY
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]);
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curl_setopt($ch, CURLOPT_POSTFIELDS, $payload);
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// Execute request
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$response = curl_exec($ch);
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if (curl_errno($ch)) {
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$error = curl_error($ch);
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curl_close($ch);
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return ["status" => "ERR", "message" => "Error CURL ke API " . curl_error($ch)];
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}
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curl_close($ch);
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$response = strip_tags($response);
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$responseData = json_decode($response, true);
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$content = $responseData['choices'][0]['message']['content'];
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if (is_null($responseData) || !isset($content)) {
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return ["status" => "ERR", "message" => "raw : $response"];
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}
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$parsedData = [];
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$lines = explode("\n", $content);
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foreach ($lines as $line) {
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$parts = explode(":", $line, 2);
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if (count($parts) == 2) {
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$key = trim(str_replace("*", "", $parts[0]));
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$key = strtolower($key);
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$key = str_replace(" ", "_", $key);
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$value = trim(str_replace("*", "", $parts[1]));
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if (strpos($key, "/")) {
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$a_key = explode("/", $key);
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$a_val = explode(",", $value);
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if (strpos($value, "/")) {
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$a_val = explode("/", $value);
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}
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foreach ($a_key as $a_idx => $sub_key) {
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$sub_val = $a_val[$a_idx];
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$parsedData[trim($sub_key)] = trim($sub_val);
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}
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} else {
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$parsedData[$key] = $value;
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}
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}
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}
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$info["prompt_tokens"] = $responseData["usage"]["prompt_tokens"];
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$info["completion_tokens"] = $responseData["usage"]["completion_tokens"];
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$info["total_tokens"] = $responseData["usage"]["total_tokens"];
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$info["estimated_cost"] = $responseData["usage"]["estimated_cost"];
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$info["model"] = $this->modelName;
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$info["temperature"] = $this->temperature;
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return ["status" => "OK", "data" => $parsedData, "info" => $info];
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}
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}
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