import EventEmitter from 'eventemitter3';
import { GridRendererEventMap } from './Types';
import { DEFAULT } from './Util';
export interface ITile {
    isEmpty(): boolean;
    getNote(i: number): number;
    getBitmask(): number;
    hasNote(i: number): boolean;
    addNote(i: number, noteId: number): void;
    removeNote(i: number): void;
    removeAllNotes(): void;
}
export interface IGrid {
    readonly data: readonly ITile[];
    /**
     * The width of the grid in tiles
     */
    readonly width: number;
    /**
     * The height of the grid in tiles
     */
    readonly height: number;
    /**
     * Updates and draws the grid to the canvas
     * @param mouseX - The current x position of the mouse on the canvas element
     * @param mouseY - The current y position of the mouse on the canvas element
     */
    update?(): void;
    /**
     * Update the size of the grid.
     * Note: If shrinking, tiles outside the space of
     * new grid may be lost
     *
     * @param newWidth - New width in tiles
     * @param newHeight - New height in tiles
     * @param newNoteLength - New note length. If not set, use previous value,
     * or recalculate the default if using the default value previously.
     * If using the DEFAULT symbol explicitly recalculate the default.
     */
    setSize(newWidth?: number, newHeight?: number, newNoteLength?: number | typeof DEFAULT | null): void;
    /**
     * Get the x position on the grid where the playhead currently is
     * @returns The x position
     */
    getPlayheadX(): number;
    /**
     * Gets whether a grid tile is currently lit up (armed)
     * @param x - The x position, measured in grid tiles
     * @param y - The y position, measured in grid tiles
     * @returns Whether the tile is lit up
     */
    getTileValue(x: number, y: number, instrument?: number): boolean;
    /**
     * Sets whether a grid tile is currently lit up (armed)
     * @param x - The x position, measured in grid tiles
     * @param y - The y position, measured in grid tiles
     * @param bool - Whether the tile should be turned on (true) or off (false)
     */
    setTileValue(x: number, y: number, bool: boolean, instrument?: number): void;
    /**
     * Turns off all tiles and removes all notes
     */
    clearAllTiles(): void;
    /**
     * Sets whether the ToneMatrix grid is muted.
     * @param muted - True for muted, false for unmuted
     */
    setMuted(muted: boolean): void;
    dispose?(): void;
}
export interface IGridRenderer extends EventEmitter<GridRendererEventMap> {
    /**
     * Update, then draw the current state of the app to the canvas element.
     * @param grid - The grid to be rendered
     * @param mouseX - The x position of the mouse on the canvas
     * @param mouseY - The y position of the mouse on the canvas
     */
    update(grid: IGrid): void;
    /**
     * Update the grid size width and height.
     */
    setSize(newWidth: number, newHeight: number): void;
    /**
     * Converts coordinates in "pixel space" to coordinates in "tile space".
     * In essence, if you pass in an (x, y) position on the canvas,
     * this returns the corresponding (x, y) position on the grid.
     * @param x - The x position, in pixels, to get the corresponding grid position for
     * @param y - The y position, in pixels, to get the corresponding grid position for
     * @param gridWidth - The width of the grid, in grid tiles
     * @param gridHeight - The height of the grid, in grid tiles
     * @param canvasWidth - The width of the pixel space,
     *  typically the width of the canvas
     * @param canvasHeight - The height of the pixel space,
     *  typically the height of the canvas
     */
    pixelCoordsToTileCoords(x: number, y: number, gridWidth: number, gridHeight: number): [x: number, y: number] | false;
    dispose?(): void;
}