@kbss-cvut/s-forms/dist/util/MediaAssetViewerUtils.d.ts

Semantic forms generator and processor

/**
 *
 * Utility class providing helper functions for media asset.
 */
export default class MediaAssetViewerUtils {
    /**
     * Determines the media kind and MIME type based on the source URL.
     *
     * @param {string} source - Media source URL.
     * @returns {{ kind: "video" | "image" | "iframe", type: string | null }}
     * Object describing the media kind and optional MIME type.
     *
     * @remarks
     * - Video formats are mapped to Video.js-compatible MIME types
     * - Unsupported or unknown formats fall back to iframe rendering
     */
    static getMediaKindFromSource(source: string): {
        kind: "video" | "image" | "iframe";
        type: string | null;
    };
    /**
     * Converts normalized annotation points into viewport pixel coordinates.
     *
     * Input points are expected to be normalized (range 0–1) and encoded as
     * an SVG-compatible string (e.g. "0.1,0.2 0.3,0.4").
     *
     * @param {string} pointsString - Normalized SVG point string.
     * @param {number} mediaWidth - Media viewport width in pixels.
     * @param {number} mediaHeight - Media viewport height in pixels.
     * @returns {string} Denormalized SVG point string in pixel space.
     */
    static denormalizePointsFromStringToString(pointsString: string, mediaWidth: number, mediaHeight: number): string;
    /**
     * Parses an SVG-compatible points string into a numeric coordinate array.
     *
     * @param {string} pointsString - SVG point string (e.g. "100,200 300,400").
     * @returns {number[][]} Array of coordinate pairs [[x, y], ...].
     *
     * @remarks
     * - Assumes input is already denormalized into pixel space
     */
    static getArrayPointsFromString(pointsString: string): number[][];
    static stripExpandedLiterals(input: any): any;
    static castLiteral(value: any, type: any): any;
    /**
     * Normalizes the HAS_MEDIA_CONTENT value into a uniform array of media objects.
     * Accepts:
     * - A plain URL string wrapped into a single-element array with HAS_SOURCE set
     * - An array of strings/objects: strings are wrapped, objects are passed through
     * - A single object is wrapped into a single-element array
     */
    static normalizeMediaContents(mediaContents: any, hasSourceKey: any): any[];
}