import type { TemplateContent, TemplateContentV3 } from '@predy-js/specification';
import { CanvasPool } from './CanvasPool';
export * from './qcanvas-viewer';
export * from './qtext';
export interface TextLayout {
    x: number;
    y: number;
    width: number;
    height: number;
}
export interface TemplateOptions {
    templateScale?: number;
    canvas?: HTMLCanvasElement;
    textLayouts?: TextLayout[];
    debug?: boolean;
    borderColor?: string;
    borderWidth?: number;
    activeBorderIndex?: number;
    ignoreTextResize?: boolean;
    flipY?: boolean;
    scaleX?: number;
    scaleY?: number;
    toData?: boolean;
}
export declare function getDefaultTemplateCanvasPool(): CanvasPool;
export declare function getBackgroundImage(template: TemplateContent, variables?: Record<string, number | string | string[]>): any;
export declare function prepareFontResources(template: TemplateContent | TemplateContentV3): Promise<void>;
export declare function combineImageTemplate2Async(url: string | HTMLImageElement | ImageBitmap, template?: TemplateContent, variables?: Record<string, number | string>, opt?: TemplateOptions, flipY?: boolean): Promise<HTMLCanvasElement | ImageData>;