@syncfusion/ej2-barcode-generator/src/barcode/rendering/IRenderer.d.ts

Barcode generator component is a pure JavaScript library which will convert a string to Barcode and show it to the user. This supports major 1D and 2D barcodes including coda bar, code 128, QR Code.

/**
 * IRenderer interface
 */
/** @private */
export interface IBarcodeRenderer {
    renderRootElement(attribute: Object, backGroundColor: string, width: number, height: number): HTMLElement;
    renderRect(canvas: HTMLCanvasElement, attribute: Object, isText?: boolean): HTMLElement;
    renderText(canvas: HTMLCanvasElement, attribute: Object): HTMLElement;
}