import { GobanBase } from "../../GobanBase";
import { ShadowTheme, CustomShadowConfig } from "../Goban";
export interface GobanThemeBackgroundCSS {
    "background-color"?: string;
    "background-image"?: string;
    "background-size"?: string;
}
export interface GobanThemeBackgroundReactStyles {
    backgroundColor?: string;
    backgroundImage?: string;
    backgroundSize?: string;
}
export interface SVGStop {
    offset: number;
    color: string;
}
export interface SVGStoneParameters {
    id: string;
    fill?: string;
    stroke?: string;
    stroke_scale?: number;
    gradient?: {
        stops: SVGStop[];
        type?: "radial" | "linear";
        x1?: number;
        x2?: number;
        y1?: number;
        y2?: number;
        cx?: number;
        cy?: number;
        r?: number;
        fx?: number;
        fy?: number;
    };
    url?: string;
}
export interface GradientStopConfig {
    offset: string;
    color: string;
    opacity: string;
}
export interface ShadowConfig {
    gradientTransform: string;
    actualShadowColor: string;
    stops: GradientStopConfig[];
}
export declare class GobanTheme {
    name: string;
    styles: {
        [style_name: string]: string;
    };
    protected parent?: GobanTheme;
    constructor(parent?: GobanTheme);
    get theme_name(): string;
    sort(): number;
    preRenderBlack(_radius: number, _seed: number, _deferredRenderCallback: () => void): any;
    preRenderWhite(_radius: number, _seed: number, _deferredRenderCallback: () => void): any;
    preRenderBlackSVG(defs: SVGDefsElement, radius: number, _seed: number, _deferredRenderCallback: () => void): string[];
    preRenderWhiteSVG(defs: SVGDefsElement, radius: number, _seed: number, _deferredRenderCallback: () => void): string[];
    preRenderShadowSVG(defs: SVGDefsElement, color: string, shadow_color: string, shadow_theme?: ShadowTheme, custom_config?: CustomShadowConfig): void;
    /**
     * Gets the shadow configuration for a given theme
     */
    private getShadowConfig;
    /**
     * Creates a radial gradient SVG element with the given configuration
     */
    private createRadialGradient;
    /**
     * Creates a single SVG stop element
     */
    private createGradientStop;
    placeWhiteStone(ctx: CanvasRenderingContext2D, _shadow_ctx: CanvasRenderingContext2D | null, _stone: any, cx: number, cy: number, radius: number): void;
    placeBlackStone(ctx: CanvasRenderingContext2D, _shadow_ctx: CanvasRenderingContext2D | null, _stone: any, cx: number, cy: number, radius: number): void;
    placeStoneShadowSVG(shadow_cell: SVGGraphicsElement | undefined, cx: number, cy: number, radius: number, color: string, shadow_theme?: ShadowTheme): SVGElement | undefined;
    private placeStoneSVG;
    placeWhiteStoneSVG(cell: SVGGraphicsElement, shadow_cell: SVGGraphicsElement | undefined, stone: string, cx: number, cy: number, radius: number, shadow_theme?: ShadowTheme): [SVGElement, SVGElement | undefined];
    placeBlackStoneSVG(cell: SVGGraphicsElement, shadow_cell: SVGGraphicsElement | undefined, stone: string, cx: number, cy: number, radius: number, shadow_theme?: ShadowTheme): [SVGElement, SVGElement | undefined];
    getStone(x: number, y: number, stones: any, _goban: GobanBase): any;
    getStoneHash(x: number, y: number, stones: any, _goban: GobanBase): string;
    stoneCastsShadow(_radius: number): boolean;
    getPreferredShadowTheme(): ShadowTheme;
    getWhiteStoneColor(): string;
    getBlackStoneColor(): string;
    getWhiteTextColor(_color?: string): string;
    getBlackTextColor(_color?: string): string;
    getBackgroundCSS(): GobanThemeBackgroundCSS;
    getReactStyles(): GobanThemeBackgroundReactStyles;
    getLineColor(): string;
    getFadedLineColor(): string;
    getStarColor(): string;
    getFadedStarColor(): string;
    getBlankTextColor(): string;
    /** Returns the color that should be used for labels */
    getLabelTextColor(): string;
    getShadowColor(_color?: string): string;
    renderSVG(params: SVGStoneParameters, radius: number): SVGGraphicsElement;
    def_uid(base: string): string;
    protected getCDNReleaseBase(): string;
}