## QrExtCodetextBuilder class

Extended codetext generator for 2D QR barcodes for ExtendedCodetext Mode of QREncodeMode Use Display2DText property of BarCodeBuilder to set visible text to removing managing characters.

```js
new QrExtCodetextBuilder()
```

**Example:**

```js
//Example how to generate FNC1 first position for Extended Mode
 //create codetext
 const lTextBuilder = new QrExtCodetextBuilder();
 lTextBuilder.addFNC1FirstPosition();
 lTextBuilder.addPlainCodetext("000%89%%0");
 lTextBuilder.addFNC1GroupSeparator();
 lTextBuilder.addPlainCodetext("12345<FNC1>");
 //generate codetext
 const lCodetext = lTextBuilder.getExtendedCodetext();
```

## Methods

| Name | Description |
| --- | --- |
| [addCodetextWithCompactionMode(mode, codetext)](#addcodetextwithcompactionmode) | Adds codetext with the specified QR compaction mode to the extended codetext items. |
| [addFNC1FirstPosition()](#addfnc1firstposition) | Adds FNC1 in first position to the extended codetext items |
| [addFNC1GroupSeparator()](#addfnc1groupseparator) | Adds Group Separator (GS - '\\u001D') to the extended codetext items |
| [addFNC1SecondPosition(codetext)](#addfnc1secondposition) | Adds FNC1 in second position to the extended codetext items |
| [clear()](#clear) | Clears extended codetext items |
| [getExtendedCodetext()](#getextendedcodetext) | Generates Extended codetext from the extended codetext list. |

### addCodetextWithCompactionMode(mode, codetext) {#addcodetextwithcompactionmode}

Adds codetext with the specified QR compaction mode to the extended codetext items.

| Parameter | Description |
| --- | --- |
| mode | QR compaction mode for the codetext. |
| codetext | Codetext in Unicode to add as an extended codetext item. |

**Throws:** IllegalArgumentException The specified codetext cannot be encoded in the selected QR compaction mode.

### addFNC1FirstPosition() {#addfnc1firstposition}

Adds FNC1 in first position to the extended codetext items

### addFNC1GroupSeparator() {#addfnc1groupseparator}

Adds Group Separator (GS - '\\u001D') to the extended codetext items

### addFNC1SecondPosition(codetext) {#addfnc1secondposition}

Adds FNC1 in second position to the extended codetext items

| Parameter | Description |
| --- | --- |
| codetext | Value of the FNC1 in the second position |

### clear() {#clear}

Clears extended codetext items

### getExtendedCodetext() {#getextendedcodetext}

Generates Extended codetext from the extended codetext list.

**Returns:** Extended codetext as string