Contrast | contrast property
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VideoDeviceController.Contrast | contrast property

Gets or sets the contrast level on the camera.

Syntax


var contrast = videoDeviceController.contrast;

Property value

Type: MediaDeviceControl

A MediaDeviceControl object that provides methods to get and set the contrast.

Remarks

Contrast is specified as a gain factor multiplied by 100.

Examples

The following example shows how to get the value of this property.


// Get the step size, minimum value, and maximum value of the contrast property to set
// values on a slider control.

function setCrtSlider() {
    var videoDev = null;
    var bValue = null;

    var mediaDevice = new Windows.Media.Capture.MediaCapture();
    videoDev = mediaDevice.videoDeviceController;
  
    if (videoDev.contrast.capabilities.step !== 0)
    {
        bValue = videoDev.contrast.tryGetValue();
        document.getElementById("slCrt").value = bValue.value;
        document.getElementById("slCrt").min = videoDev.contrast.capabilities.min;
        document.getElementById("slCrt").max = videoDev.contrast.capabilities.max;
        document.getElementById("slCrt").step = videoDev.contrast.capabilities.step;
    } 
}


Requirements (Windows 10 device family)

Device family

Universal, introduced version 10.0.10240.0

API contract

Windows.Foundation.UniversalApiContract, introduced version 1.0

Namespace

Windows.Media.Devices
Windows::Media::Devices [C++]

Metadata

Windows.Foundation.UniversalApiContract.winmd

Requirements (Windows 8.x and Windows Phone 8.x)

Minimum supported client

Windows 8

Minimum supported server

Windows Server 2012

Minimum supported phone

Windows Phone 8.1 [Windows Phone Silverlight 8.1 and Windows Runtime apps]

Namespace

Windows.Media.Devices
Windows::Media::Devices [C++]

Metadata

Windows.winmd

See also

VideoDeviceController

 

 

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