import type { Point, Size, Position } from '../../../treb-base-types/src/index';
/**
 * tile adds some metadata to canvas
 *
 * FIXME: there might be some performance cost with this, versus a wrapper
 * or container class/interface that just holds the canvas.
 */
export interface Tile extends HTMLCanvasElement {
    /** contents have changed, needs repainting */
    dirty: boolean;
    /** never painted or layout has changed: repaint everything */
    needs_full_repaint: boolean;
    /** position in the grid, in grid rows/columns */
    tile_position: Position;
    /** first cell in the tile */
    first_cell: Position;
    /** last cell in the tile, more useful than extent */
    last_cell: Position;
    /** position in the grid, in pixels */
    pixel_start: Point;
    /** position in the grid, in pixels */
    pixel_end: Point;
    /**
     * tile size in pixels, matching css height/width. this is
     * different than the _canvas_ height/width, which is scaled
     * to dpr for high-dpi displays.
     */
    logical_size: Size;
}