Aspose.PDF for JavaScript/Node.js via C++: AsposePdfFindHiddenText, A…

…sposePdfDeleteHiddenText

english/javascript-cpp/_index.md

@@ -80,6 +80,8 @@ Such operations are very time consuming, so we recommend using Web Worker.
 | [AsposePdfFindText](./organize/asposepdffindtext/) | Find text in a PDF-file. |
 | [AsposePdfReplaceFont](./organize/asposepdfreplacefont/) | Replace font in a PDF-file. |
 | [AsposePdfValidatePDFA](./organize/asposepdfvalidatepdfa/) | Validate PDF/A compatibility a PDF-file. |
+| [AsposePdfFindHiddenText](./organize/asposepdffindhiddentext/) | Find hidden text in a PDF-file. |
+| [AsposePdfDeleteHiddenText](./organize/asposepdfdeletehiddentext/) | Delete hidden text from a PDF-file. |
 
 
 ## Metadata PDF functions

english/javascript-cpp/organize/_index.md

@@ -34,6 +34,8 @@ url: /javascript-cpp/organize/
 | [AsposePdfFindText](./asposepdffindtext/) | Find text in a PDF-file. |
 | [AsposePdfReplaceFont](./asposepdfreplacefont/) | Replace font in a PDF-file. |
 | [AsposePdfValidatePDFA](./asposepdfvalidatepdfa/) | Validate PDF/A compatibility a PDF-file. |
+| [AsposePdfFindHiddenText](./asposepdffindhiddentext/) | Find hidden text in a PDF-file. |
+| [AsposePdfDeleteHiddenText](./asposepdfdeletehiddentext/) | Delete hidden text from a PDF-file. |
 
 
 ## Detailed Description

english/javascript-cpp/organize/asposepdfdeletehiddentext/_index.md

@@ -0,0 +1,77 @@
+---
+title: "AsposePdfDeleteHiddenText"
+second_title: Aspose.PDF for JavaScript via C++
+description:  "Delete hidden text from a PDF-file."
+type: docs
+url: /javascript-cpp/organize/asposepdfdeletehiddentext/
+---
+
+_Delete hidden text from a PDF-file._
+
+```js
+function AsposePdfDeleteHiddenText(
+    fileBlob,
+    fileName,
+    fileNameResult
+)
+```
+
+**Parameters**: 
+
+* **fileBlob** Blob object 
+* **fileName** file name 
+* **fileNameResult** result file name 
+
+**Return**: 
+JSON object 
+  * **errorCode** - code error (0 no error)
+  * **errorText** - text error ("" no error)
+  * **fileNameResult** - result file name
+
+
+**Web Worker example**:
+```js
+  /*Create Web Worker*/
+  const AsposePDFWebWorker = new Worker("AsposePDFforJS.js");
+  AsposePDFWebWorker.onerror = evt => console.log(`Error from Web Worker: ${evt.message}`);
+  AsposePDFWebWorker.onmessage = evt => document.getElementById('output').textContent = 
+    (evt.data == 'ready') ? 'loaded!' :
+      (evt.data.json.errorCode == 0) ? `Result:\n${DownloadFile(evt.data.json.fileNameResult, "application/pdf", evt.data.params[0])}` : `Error: ${evt.data.json.errorText}`;
+
+  /*Event handler*/
+  const ffilePdfDeleteHiddenText = e => {
+    const file_reader = new FileReader();
+    file_reader.onload = event => {
+      /*Delete hidden text from a PDF-file and save the "ResultPdfDeleteHiddenText.pdf" - Ask Web Worker*/
+      AsposePDFWebWorker.postMessage({ "operation": 'AsposePdfDeleteHiddenText', "params": [event.target.result, e.target.files[0].name, "ResultPdfDeleteHiddenText.pdf"] }, [event.target.result]);
+    };
+    file_reader.readAsArrayBuffer(e.target.files[0]);
+  };
+
+  /*Make a link to download the result file*/
+  const DownloadFile = (filename, mime, content) => {
+      mime = mime || "application/octet-stream";
+      var link = document.createElement("a"); 
+      link.href = URL.createObjectURL(new Blob([content], {type: mime}));
+      link.download = filename;
+      link.innerHTML = "Click here to download the file " + filename;
+      document.body.appendChild(link); 
+      document.body.appendChild(document.createElement("br"));
+      return filename;
+    }
+```
+**Simple example**:
+```js
+  var ffilePdfDeleteHiddenText = function (e) {
+    const file_reader = new FileReader();
+    file_reader.onload = (event) => {
+      /*Delete hidden text from a PDF-file and save the "ResultPdfDeleteHiddenText.pdf"*/
+      const json = AsposePdfDeleteHiddenText(event.target.result, e.target.files[0].name, "ResultPdfDeleteHiddenText.pdf");
+      if (json.errorCode == 0) document.getElementById('output').textContent = json.fileNameResult;
+      else document.getElementById('output').textContent = json.errorText;
+      /*Make a link to download the result file*/
+      DownloadFile(json.fileNameResult, "application/pdf");
+    };
+    file_reader.readAsArrayBuffer(e.target.files[0]);
+  };
+```

english/javascript-cpp/organize/asposepdffindhiddentext/_index.md

@@ -0,0 +1,69 @@
+---
+title: "AsposePdfFindHiddenText"
+second_title: Aspose.PDF for JavaScript via C++
+description: "Find hidden text in a PDF-file."
+type: docs
+url: /javascript-cpp/organize/asposepdffindhiddentext/
+---
+
+_Find hidden text in a PDF-file._
+
+```js
+function AsposePdfFindHiddenText(
+    fileBlob,
+    fileName
+)
+```
+
+**Parameters**: 
+
+* **fileBlob** Blob object 
+* **fileName** file name 
+
+**Return**: 
+
+JSON object 
+
+* **errorCode** - code error (0 no error)
+* **errorText** - text error ("" no error)
+* **textFragments** - array of :
+  * text - text fragment
+  * xIndent - X coordinate
+  * yIndent - Y coordinate
+  * fontName - font name
+  * fontSize - font size
+
+
+**Web Worker example**:
+```js
+  /*Create Web Worker*/
+  const AsposePDFWebWorker = new Worker("AsposePDFforJS.js");
+  AsposePDFWebWorker.onerror = evt => console.log(`Error from Web Worker: ${evt.message}`);
+  AsposePDFWebWorker.onmessage = evt => document.getElementById('output').textContent = 
+    (evt.data == 'ready') ? 'loaded!' :
+      (evt.data.json.errorCode == 0) ? `textFragments:\n${JSON.stringify(evt.data.json.textFragments, null, 4)}` : `Error: ${evt.data.json.errorText}`; 
+
+  /*Event handler*/
+  const ffilePdfFindHiddenText = e => {
+    const file_reader = new FileReader();
+    file_reader.onload = event => {
+      /*Find hidden text in a PDF-file - Ask Web Worker*/
+      AsposePDFWebWorker.postMessage({ "operation": 'AsposePdfFindHiddenText', "params": [event.target.result, e.target.files[0].name] }, [event.target.result]);
+    };
+    file_reader.readAsArrayBuffer(e.target.files[0]);
+  };
+```
+
+**Simple example**:
+```js
+  var ffilePdfFindHiddenText = function (e) {
+    const file_reader = new FileReader();
+    file_reader.onload = (event) => {
+      /*Find hidden text in a PDF-file*/
+      const json = AsposePdfFindHiddenText(event.target.result, e.target.files[0].name);
+      if (json.errorCode == 0) document.getElementById('output').textContent = "JSON:\n" + JSON.stringify(json, null, 4);
+      else document.getElementById('output').textContent = json.errorText;
+    };
+    file_reader.readAsArrayBuffer(e.target.files[0]);
+  };
+```

english/nodejs-cpp/_index.md

@@ -79,6 +79,8 @@ is_root: true
 | [AsposePdfFindText](./organize/asposepdffindtext/) | Find text in a PDF-file. |
 | [AsposePdfReplaceFont](./organize/asposepdfreplacefont/) | Replace font in a PDF-file. |
 | [AsposePdfValidatePDFA](./organize/asposepdfvalidatepdfa/) | Validate PDF/A compatibility a PDF-file. |
+| [AsposePdfFindHiddenText](./organize/asposepdffindhiddentext/) | Find hidden text in a PDF-file. |
+| [AsposePdfDeleteHiddenText](./organize/asposepdfdeletehiddentext/) | Delete hidden text from a PDF-file. |
 
 
 ## Metadata PDF functions

english/nodejs-cpp/organize/_index.md

@@ -34,6 +34,8 @@ url: /nodejs-cpp/organize/
 | [AsposePdfFindText](./asposepdffindtext/) | Find text in a PDF-file. |
 | [AsposePdfReplaceFont](./asposepdfreplacefont/) | Replace font in a PDF-file. |
 | [AsposePdfValidatePDFA](./asposepdfvalidatepdfa/) | Validate PDF/A compatibility a PDF-file. |
+| [AsposePdfFindHiddenText](./asposepdffindhiddentext/) | Find hidden text in a PDF-file. |
+| [AsposePdfDeleteHiddenText](./asposepdfdeletehiddentext/) | Delete hidden text from a PDF-file. |
 
 
 ## Detailed Description

english/nodejs-cpp/organize/asposepdfdeletehiddentext/_index.md

@@ -0,0 +1,51 @@
+---
+title: "AsposePdfDeleteHiddenText"
+second_title: Aspose.PDF for Node.js via C++
+description:  "Delete hidden text from a PDF-file."
+type: docs
+url: /nodejs-cpp/organize/asposepdfdeletehiddentext/
+---
+
+_Delete hidden text from a PDF-file._
+
+```js
+function AsposePdfDeleteHiddenText(
+    fileName,
+    fileNameResult
+)
+```
+
+**Parameters**: 
+
+* **fileName** file name 
+* **fileNameResult** result file name 
+
+**Return**: 
+JSON object 
+  * **errorCode** - code error (0 no error)
+  * **errorText** - text error ("" no error)
+  * **fileNameResult** - result file name
+
+
+**CommonJS**:
+
+```js
+const AsposePdf = require('asposepdfnodejs');
+const pdf_file = 'Aspose.pdf';
+AsposePdf().then(AsposePdfModule => {
+    /*Delete hidden text from a PDF-file and save the "ResultPdfDeleteHiddenText.pdf"*/
+    const json = AsposePdfModule.AsposePdfDeleteHiddenText(pdf_file, "ResultPdfDeleteHiddenText.pdf");
+    console.log("AsposePdfDeleteHiddenText => %O", json.errorCode == 0 ? json.fileNameResult : json.errorText);
+});
+```
+
+**ECMAScript/ES6**:
+
+```js
+import AsposePdf from 'asposepdfnodejs';
+const AsposePdfModule = await AsposePdf();
+const pdf_file = 'Aspose.pdf';
+/*Delete hidden text from a PDF-file and save the "ResultPdfDeleteHiddenText.pdf"*/
+const json = AsposePdfModule.AsposePdfDeleteHiddenText(pdf_file, "ResultPdfDeleteHiddenText.pdf");
+console.log("AsposePdfDeleteHiddenText => %O", json.errorCode == 0 ? json.fileNameResult : json.errorText);
+```

english/nodejs-cpp/organize/asposepdffindhiddentext/_index.md

@@ -0,0 +1,58 @@
+---
+title: "AsposePdfFindHiddenText"
+second_title: Aspose.PDF for Node.js via C++
+description: "Find hidden text in a PDF-file."
+type: docs
+url: /nodejs-cpp/organize/asposepdffindhiddentext/
+---
+
+_Find hidden text in a PDF-file._
+
+```js
+function AsposePdfFindHiddenText(
+    fileName
+)
+```
+
+**Parameters**: 
+
+* **fileName** file name
+
+**Return**: 
+
+JSON object 
+
+* **errorCode** - code error (0 no error)
+* **errorText** - text error ("" no error)
+* **textFragments** - array of :
+  * text - text fragment
+  * xIndent - X coordinate
+  * yIndent - Y coordinate
+  * fontName - font name
+  * fontSize - font size
+
+
+**CommonJS**:
+
+```js
+const AsposePdf = require('asposepdfnodejs');
+const pdf_file = 'Aspose.pdf';
+AsposePdf().then(AsposePdfModule => {
+    /*Find hidden text in a PDF-file*/
+    const json = AsposePdfModule.AsposePdfFindHiddenText(pdf_file);
+    /*json.textFragments - array of text fragments: { text: <string>, xIndent: <number>, yIndent: <number>, fontName: <string>, fontSize: <number> }*/
+    console.log("AsposePdfFindHiddenText => textFragments: %O", json.errorCode == 0 ? json.textFragments : json.errorText);
+});
+```
+
+**ECMAScript/ES6**:
+
+```js
+import AsposePdf from 'asposepdfnodejs';
+const AsposePdfModule = await AsposePdf();
+const pdf_file = 'Aspose.pdf';
+/*Find hidden text in a PDF-file*/
+const json = AsposePdfModule.AsposePdfFindHiddenText(pdf_file);
+/*json.textFragments - array of text fragments: { text: <string>, xIndent: <number>, yIndent: <number>, fontName: <string>, fontSize: <number> }*/
+console.log("AsposePdfFindHiddenText => textFragments: %O", json.errorCode == 0 ? json.textFragments : json.errorText);
+```