import { Color } from 'style/color/index.js';
import Workflow from './workflow.js';
import type Context from '../context/context.js';
import type { Projector } from 'ui/camera/projector/index.js';
import type { StyleDefinition } from 'style/style.spec.js';
import type { VectorPoint } from 'gis-tools/index.js';
import type { WallpaperWorkflow as WallpaperWorkflowSpec, WallpaperWorkflowUniforms } from './workflow.spec.js';
/** Storage for a wallpaper scheme */
export interface WallpaperScheme {
    background: Color;
    fade1: Color;
    fade2: Color;
    halo: Color;
}
/** Wallpaper Workflow renders a user styled wallpaper to the GPU */
export default class WallpaperWorkflow extends Workflow implements WallpaperWorkflowSpec {
    #private;
    label: "wallpaper";
    scheme: WallpaperScheme;
    tileSize: number;
    scale: VectorPoint;
    uniforms: {
        [key in WallpaperWorkflowUniforms]: WebGLUniformLocation;
    };
    /** @param context - WebGL(1|2) context */
    constructor(context: Context);
    /**
     * Update the wallpaper style
     * @param style - input user defined style
     */
    updateStyle(style: StyleDefinition): void;
    /** Flush the uniforms to the GPU */
    flush(): void;
    /** Use this workflow as the current shaders for the GPU */
    use(): void;
    /**
     * Draw the wallpaper
     * @param projector - Projector
     */
    draw(projector: Projector): void;
}