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Merge branch 'feature/add-base91-official' of https://github.com/ialejandrozalles/CyberChef into feature/add-base91-official

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This commit is contained in:
Izai Alejandro Zalles Merino 2025-10-13 23:34:19 -04:00
commit d734a8aa1a
2 changed files with 18 additions and 3 deletions
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10
src/core/operations/OpticalCharacterRecognition.mjs
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@ -15,6 +15,7 @@ import { isWorkerEnvironment } from "../Utils.mjs";
import { createWorker } from "tesseract.js"; import { createWorker } from "tesseract.js";
const OEM_MODES = ["Tesseract only", "LSTM only", "Tesseract/LSTM Combined"]; const OEM_MODES = ["Tesseract only", "LSTM only", "Tesseract/LSTM Combined"];
const OCR_DEFAULT_WHITELIST = "";
/** /**
* Optical Character Recognition operation * Optical Character Recognition operation
@ -34,6 +35,11 @@ class OpticalCharacterRecognition extends Operation {
this.inputType = "ArrayBuffer"; this.inputType = "ArrayBuffer";
this.outputType = "string"; this.outputType = "string";
this.args = [ this.args = [
{
name: "Character whitelist (optional)",
type: "string",
value: OCR_DEFAULT_WHITELIST
},
{ {
name: "Show confidence", name: "Show confidence",
type: "boolean", type: "boolean",
@ -85,6 +91,10 @@ class OpticalCharacterRecognition extends Operation {
} }
} }
}); });
self.sendStatusMessage("Configuring OCR parameters...");
if (whitelist && whitelist.length) {
await worker.setParameters({ /* eslint-disable camelcase */ tessedit_char_whitelist: whitelist /* eslint-enable camelcase */ });
}
self.sendStatusMessage("Finding text..."); self.sendStatusMessage("Finding text...");
const result = await worker.recognize(image); const result = await worker.recognize(image);
let text = result?.data?.text ?? ""; let text = result?.data?.text ?? "";

9
src/core/operations/RenderImage.mjs
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@ -8,7 +8,7 @@ import { fromBase64, toBase64 } from "../lib/Base64.mjs";
import { fromHex } from "../lib/Hex.mjs"; import { fromHex } from "../lib/Hex.mjs";
import Operation from "../Operation.mjs"; import Operation from "../Operation.mjs";
import OperationError from "../errors/OperationError.mjs"; import OperationError from "../errors/OperationError.mjs";
import Utils from "../Utils.mjs"; import Utils, { isWorkerEnvironment } from "../Utils.mjs";
import {isImage} from "../lib/FileType.mjs"; import {isImage} from "../lib/FileType.mjs";
/** /**
@ -104,7 +104,12 @@ class RenderImage extends Operation {
// Add image data to URI // Add image data to URI
dataURI += "base64," + toBase64(data); dataURI += "base64," + toBase64(data);
return "<img src='" + dataURI + "'>"; let html = "<img src='" + dataURI + "'>";
if (isWorkerEnvironment()) {
const ocrLink = "#recipe=Optical_Character_Recognition('Show confidence',true,'OCR Engine Mode','LSTM only')";
html = "<div style=\"position:relative; display:inline-block;\">" + html + "<a href=\"" + ocrLink + "\" title=\"Run OCR\" style=\"position:absolute; top:8px; right:8px; background:rgba(0,0,0,.6); color:#fff; padding:4px 6px; border-radius:4px; text-decoration:none; font-weight:bold;\">✎</a></div>";
}
return html;
} }
} }