import { ScalerContext as NativeScaleContext } from '../../../third_party/tgfx/web/src/core/scaler-context';
import type { ctor, Rect } from '../types';
export declare class ScalerContext extends NativeScaleContext {
    generateImage(text: string, bounds: Rect): OffscreenCanvas;
    protected loadCanvas(): void;
    readPixels(text: string, bounds: Rect, fauxBold: boolean, stroke?: {
        width: number;
        cap: ctor;
        join: ctor;
        miterLimit: number;
    }): Uint8Array;
}