import { GpuShaderDefinition } from '../../gpu/porters';
import { transformPosition, transformColor } from '../../utilities/transformations';
import { ColorStop } from '../../utilities/colorStops';
import { BoundingBoxOrigin } from '../../types';

export interface ComponentProps {
    /**
     * Reference edge the center position is measured from (center default). Lets you pin the shape relative to a corner or the canvas centre.
     *
     * @default "center"
     */
    origin: BoundingBoxOrigin;
    /**
     * Center position of the heatmap shape
     *
     * Accepts `{ x, y }` objects with values from 0 to 1, or CSS positions like `top center`.
     * @default {"x":0.5,"y":0.5}
     */
    center: Parameters<typeof transformPosition>[0];
    /**
     * Scale of the heatmap shape (1 = default size)
     *
     * Accepts a number between 0.1 and 3.
     * @default 1
     */
    scale: number;
    /**
     * Rotation of the heatmap shape in degrees
     *
     * Accepts a number between 0 and 360.
     * @default 0
     */
    rotation: number;
    /**
     * Cold color (used when no gradient stops are set)
     *
     * Accepts hex strings (`#ff0000`), RGB objects (`{ r, g, b }`), or CSS color names (`limegreen`).
     * @default "#02010f"
     */
    colorA: Parameters<typeof transformColor>[0];
    /**
     * Hot color (used when no gradient stops are set)
     *
     * Accepts hex strings (`#ff0000`), RGB objects (`{ r, g, b }`), or CSS color names (`limegreen`).
     * @default "#f9e25f"
     */
    colorB: Parameters<typeof transformColor>[0];
    stops: ColorStop[] | null;
    /**
     * Color space for the heat ramp interpolation
     *
     * Accepts one of the predefined option values.
     * @default "oklab"
     */
    colorSpace: string;
    /**
     * Heat filling the inside of the shape
     *
     * @default 0.4
     */
    innerGlow: number;
    /**
     * Heat radiating beyond the silhouette
     *
     * @default 0.2
     */
    outerGlow: number;
    /**
     * Heat concentrated along the shape boundary
     *
     * @default 0.5
     */
    contour: number;
    /**
     * Direction the heat waves travel, in degrees
     *
     * Accepts a number between 0 and 360.
     * @default 90
     */
    angle: number;
    /**
     * Speed of the flowing heat. 0 pauses.
     *
     * Accepts a number between 0 and 4.
     * @default 1
     */
    speed: number;
    /**
     * Serialized shape configuration (JSON)
     *
     * @default "DEFAULT_SHAPE_CONFIG"
     */
    shape: string | Record<string, unknown>;
    /**
     * URL to a pre-generated SDF .bin file
     *
     * @default ""
     */
    shapeSdfUrl: string;
    /**
     * Active SDF shape type
     *
     * @default ""
     */
    shapeType: string;
}
export declare const componentDefinition: GpuShaderDefinition<ComponentProps>;
export default componentDefinition;
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