WebTwain.Addon.Webcam

/**
 * Capture an image from the current camera.
 * @param successCallback A callback function that is executed if the request succeeds.
 * @param failureCallback A callback function that is executed if the request fails.
 * @argument errorCode The error code.
 * @argument errorString The error String
 */
CaptureImage(
    successCallback: () => void,
    failureCallback: (
        errorCode: number,
        errorString: string
    ) => void
): void;

/**
 * Return a list of all available cameras.
 */
GetSourceList(): string[];

/**
 * Select a camera to use.
 * @param name Specify the camera.
 */
SelectSource(name: string): boolean;

/**
 * Close the current camera.
 */
CloseSource(): boolean;

/**
 * Return a list of all available cameras.
 */
GetSourceList(): string[];

/**
 * Select a camera to use.
 * @param name Specify the camera.
 */
SelectSource(name: string): boolean;

/**
 * Close the current camera.
 */
CloseSource(): boolean;

/**
 * Start to play the video stream from the current camera.
 * @param DWObject Specify a WebTwain instance to show the video.
 * @param quality Specify the quality of the video.
 * @param frameDidShow A callback function that is triggered after each video frame is shown.
 */
PlayVideo(
    DWObject: WebTwain,
    quality: number,
    frameDidShow?: function () {}
): boolean;

/**
 * Pause the video.
 */
PauseVideo(): boolean;

/**
 * Stop the video.
 */
StopVideo(): boolean;

/**
 * Return information about the specified camera property.
 * @param property Specify the property.
 */
GetCameraControlPropertySetting(
    property: EnumDWT_CameraControlProperty | number
): CameraControlProperty;

/**
 * Return detailed information about the specified camera property.
 * @param property Specify the property.
 */
GetCameraControlPropertyMoreSetting(
    property: Dynamsoft.EnumDWT_CameraControlProperty | number
): CameraControlPropertyExtra;

/**
 * Set the specified camera property.
 * @param property Specify the property.
 * @param value Specify the value.
 * @param auto Specify whether the propery should change automatically.
 */
SetCameraControlPropertySetting(
    property: Dynamsoft.EnumDWT_CameraControlProperty | number,
    value: number,
    auto: boolean
): boolean;

interface CameraControlProperty {
    /**
     * Return the value of the property.
     */
    GetValue(): number;
    /**
     * Return whether the property is set autmatically or not.
     */
    GetIfAuto(): boolean;
}

interface CameraControlPropertyExtra {
    /**
     * Return the minimum value of the property.
     */
    GetMinValue(): number;
    /**
     * Return the maximum value of the property.
     */
    GetMaxValue(): number;
    /**
     * Return the default value of the property.
     */
    GetDefaultValue(): number;
    /**
     * Return the smallest increment by which the property can change.
     */
    GetSteppingDelta(): number;    
    /**
     * Return whether the property is set autmatically or not.
     */
    GetIfAuto(): boolean;
}

/**
 * Return information about the specified video property.
 * @param property Specify the property.
 */
GetVideoPropertySetting(
    property: Dynamsoft.EnumDWT_VideoProperty | number
): VideoControlProperty;

/**
 * Return detailed information about the specified video property.
 * @param property Specify the property.
 */
GetVideoPropertyMoreSetting(
    property: Dynamsoft.EnumDWT_VideoProperty | number
): VideoControlPropertyExtra;

/**
 * Set the specified video property.
 * @param property Specify the property.
 * @param value Specify the value.
 * @param auto Specify whether the propery should change automatically.
 */
SetVideoPropertySetting(
    property: Dynamsoft.EnumDWT_VideoProperty | number,
    value: number,
    auto: boolean
): boolean;

interface VideoControlProperty {
    /**
     * Return the value of the property.
     */
    GetValue(): number;
    /**
     * Return whether the property is set autmatically or not.
     */
    GetIfAuto(): boolean;
}

interface VideoControlPropertyExtra {
    /**
     * Return the minimum value of the property.
     */
    GetMinValue(): number;
    /**
     * Return the maximum value of the property.
     */
    GetMaxValue(): number;
    /**
     * Return the default value of the property.
     */
    GetDefaultValue(): number;
    /**
     * Return the smallest increment by which the property can change.
     */
    GetSteppingDelta(): number;    
    /**
     * Return whether the property is set autmatically or not.
     */
    GetIfAuto(): boolean;
}

/**
 * Return the frame rates supported by the current camera.
 */
GetFrameRate(): FrameRate;

/**
 * Return the media types supported by the current camera.
 */
GetMediaType(): MediaType;

/**
 * Return the resolutions supported by the current camera.
 */
GetResolution(): Resolution;

/**
 * Set the frame rate.
 * @param rate Specify the frame rate.
 */
SetFrameRate(rate: number): boolean;

/**
 * Set the media type.
 * @param type Sepcify the media type.
 */
SetMediaType(type: string): boolean;

/**
 * Set the resolution.
 * @param resolution Specify the resolution.
 */
SetResolution(resolution: string): boolean;

interface FrameRate {
    /**
     * Return the number of available frame rates.
     */
    GetCount(): number;
    /**
     * Return the specified frame rate.
     */
    Get(index: number): number;
    /**
     * Return the current frame rate.
     */
    GetCurrent(): number;
}

interface MediaType {
    /**
     * Return the number of available media types.
     */
    GetCount(): number;
    /**
     * Return the specified media type.
     */
    Get(index: number): string;
    /**
     * Return the current media type.
     */
    GetCurrent(): string;
}

interface Resolution {
    /**
     * Return the number of available resolutions.
     */
    GetCount(): number;
    /**
     * Return the specified resolution.
     */
    Get(index: number): string;
    /**
     * Return the current resolution.
     */
    GetCurrent(): string;
}

/**
 * Rotate the video.
 * @param mode Specify the rotate mode
 */
SetVideoRotateMode(
    mode: Dynamsoft.EnumDWT_VideoRotateMode | number
): boolean;

/**
 * Return the URL (http(s)://) for the latest frame.
 */
GetFrameURL(): string;

/**
 * Return the internal URL (dwt://) for the latest frame.
 */
GetFramePartURL(): string;