# Development Guide (Face Capture)

### Face Capture

1. Instantiate the configuration object. You must pass a reference to your navigation controller.

```swift
let config = OkaySelfieConfig(navigationController: nav)
```

2. Start the process by calling `start` on `OkayCamSelfie` class. Similarly, you can handle the result in the completion handler.

```swift
OkayCamSelfie.start(
    okaySelfieConfig: config,
    license: yourLicense,
    { filePath, error in
        // handle
    }
)
```

You will only either receieve the `filePath` or an `error`. One will be valid and the other will be `nil`.

### **Configuration**

Modifying the configuration object:

```swift
        let config = OkaySelfieConfig(navigationController: nav)
        config.topLabel.text = "top label text"
        config.topLabel.color = .green
        config.topLabel.size = 14
        config.bottomFrameColor = .darkGray
        config.captureBtnColor = .white
        config.swichBtnConfig.show = true
        config.swichBtnConfig.color = .magenta
        config.confirmBtnConfig.backgroundColor = .blue
        config.confirmBtnConfig.contentColor = .black
        config.retakeBtnConfig.backgroundColor = .orange
        config.retakeBtnConfig.contentColor = .black
        config.width = 250
        config.imageQuality = 1.0
        config.defaultCameraFacing = .back
        config.outputPath = myCustomFilePath
```

Properties on `OkaySelfieConfig`:

| Property            | Default                                                                                                                   | Type                    |
| ------------------- | ------------------------------------------------------------------------------------------------------------------------- | ----------------------- |
| topLabel            | `OkaySelfieLabelConfig(text: "Please align your face within the frame", color: UIColor.white, size: CGFloat(18))`         | `OkaySelfieLabelConfig` |
| bottomFrameColor    | `UIColor(red: 0.92, green: 0.40, blue: 0.04, alpha: 1.0)`                                                                 | `UIColor`               |
| captureBtnColor     | `UIColor(red: 0.92, green: 0.08, blue: 0.30, alpha: 1.0)`                                                                 | `UIColor`               |
| swichBtnConfig      | `SwitchBtnConfig(color: UIColor.white, show: false)`                                                                      | `SwitchBtnConfig`       |
| confirmBtnConfig    | `OkayCamBtnConfig(backgroundColor: UIColor(red: 0.92, green: 0.08, blue: 0.30, alpha: 1.0), contentColor: UIColor.white)` | `OkayCamBtnConfig`      |
| retakeBtnConfig     | `OkayCamBtnConfig(backgroundColor: UIColor(red: 0.92, green: 0.08, blue: 0.30, alpha: 1.0), contentColor: UIColor.white)` | `OkayCamBtnConfig`      |
| defaultCameraFacing | `OkayCam.CameraDevice.front`                                                                                              | `OkayCam.CameraDevice`  |
| frameColor          | `UIColor.black`                                                                                                           | `UIColor`               |
| outputPath          | `nil`                                                                                                                     | `URL?`                  |
| width               | `nil`                                                                                                                     | `Int?`                  |
| imageQuality        | `1.0 (range 0 - 1.0)`                                                                                                     |                         |

### OkayCamPlus Face Capture

1.  Start the process by calling `start` on `OkayCamPlus` class. You can handle the result in the completion handler.

```swift
OkayCamPlusSelfie.start(
    viewController: yourViewController,
    license: yourLicense,
    { JSONString, error in
        // handle
    }
)
```

You will only either receive `JSONString` or an `error`. One will be valid and the other will be `nil`.

`JSONString` will return 2 values:

| Result | Description            |
| ------ | ---------------------- |
| selfie | `selfie_image_URLPath` |
| bundle | `base64String`         |

### FaceCapture Plus UI

1. FaceCapture Plus Screen

<figure><img src="/files/1ONsk9i4VR5T3s1l6zPg" alt=""><figcaption></figcaption></figure>

1. FaceCapure API Result (UI is for demo purposes only)

<figure><img src="/files/4urnyL62QGZuD5j7iRlo" alt=""><figcaption></figcaption></figure>


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