import { Pattern, IPatternSettings, IPatternPrivate } from "./Pattern";
export interface ITrianglePatternSettings extends IPatternSettings {
    /**
     * Gap between triangles, in pixels.
     *
     * @default 6
     */
    gap?: number;
    /**
     * Width of the triangle, in pixels.
     *
     * @default 8
     */
    maxWidth?: number;
    /**
     * Height of the triangle, in pixels.
     *
     * @default 8
     */
    maxHeight?: number;
    /**
     * If set to `true`, will place every second triangle, creating a checkered
     * pattern.
     *
     * @default false
     */
    checkered?: boolean;
    /**
     * Center triangles in their grid cell.
     *
     * @default true
     */
    centered?: boolean;
    /**
     * If set to `true`, `rotation` rotates each triangle around its own center
     * while the grid/tile stays axis-aligned, instead of rotating the whole
     * pattern. This tiles seamlessly (a small `width`/`height` is enough) and is
     * much faster than rotating the whole pattern on large tiles.
     *
     * @default false
     */
    rotateShapes?: boolean;
}
export interface ITrianglePatternPrivate extends IPatternPrivate {
}
/**
 * Triangle pattern.
 *
 * @see {@link https://www.amcharts.com/docs/v5/concepts/colors-gradients-and-patterns/patterns/} for more info
 */
export declare class TrianglePattern extends Pattern {
    _settings: ITrianglePatternSettings;
    _privateSettings: ITrianglePatternPrivate;
    static className: string;
    static classNames: Array<string>;
    _beforeChanged(): void;
    /**
     * A triangle pattern's tile is only a repeat unit — the grid repeats every
     * cell — so an oversized `width`/`height` just wastes memory and draw time for
     * an identical result. Normalise it to a single cell (2x2 cells when
     * `checkered`). Skipped for a whole-pattern `rotation` (which isn't periodic
     * on an axis-aligned tile — use `rotateShapes` for that) and for non-`repeat`
     * repetitions.
     * @ignore
     */
    protected _optimizeTileSize(): void;
    protected _draw(): void;
    private _point;
}
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