import { Vec2D, Segment, AABB } from '../Math';
import { Color } from './Color';
import { ColorGradient } from './ColorGradient';
import { Sprite } from './Sprite';
declare class Surface {
    /**
     * HTML canvas target
     */
    canvas: HTMLCanvasElement;
    /**
     * Rendering context
     */
    surface: CanvasRenderingContext2D;
    /**
     * A base surface for targeted rendering.
     *
     * @param w      Width of the surface
     * @param h      Height of the surface
     * @param canvas Target canvas element
     * @return New Surface object
     */
    constructor(w: number, h: number);
    /**
     * Set the width and height of the surface's underlying canvas
     *
     * @param width  Width of the surface
     * @param height Height of the surface
     */
    setSize(width: number, height: number): void;
    /**
     * Get the bounds of the surface.
     *
     * @param center Should bounding box be centered?
     * @return Bouding box of the surface
     */
    rect(center?: boolean): AABB;
    /**
     * Generate a subsurface.
     *
     * @param aabb    Size and location of subsurface
     * @param center  Should coordinates be centered?
     * @return New Surface object
     */
    subsurface(aabb: AABB, center?: boolean): Surface;
    /**
     * Fill the entire surface with a color or gradient.
     *
     * @param color Target color or gradient
     */
    fill(color: Color | ColorGradient): void;
    /**
     * Draw another surface on top of the current one.
     *
     * @param src     Source surface to be drawn
     * @param aabb    Target bounding box for stretching
     * @param blend   Drawing blend mode
     * @param opacity Transparency value
     * @param angle   Angular rotation in radians
     * @param flip    Flip factor of the image
     * @param center  Should drawing be centered?
     */
    drawSurface(src: Surface, aabb: AABB, blend?: GlobalCompositeOperation, opacity?: number, angle?: number, flip?: Vec2D, center?: boolean): void;
    /**
     * Draw a sprite on the surface.
     *
     * @param sprite  Source sprite to be drawn
     * @param aabb    Target bounding box for stretching
     * @param blend   Drawing blend mode
     * @param opacity Transparency value
     * @param angle   Angular rotation in radians
     * @param flip    Flip factor of the image
     * @param center  Should drawing be centered?
     */
    drawSprite(sprite: Sprite, aabb: AABB, blend?: GlobalCompositeOperation, opacity?: number, angle?: number, flip?: Vec2D, center?: boolean): void;
    /**
     * Draw a line segment on the surface.
     *
     * @param segment   Start and end points of the line
     * @param color     Target color or gradient
     * @param linewidth Width of the line
     * @param blend     Drawing blend mode
     */
    drawLine(segment: Segment, color: Color | ColorGradient, linewidth?: number, blend?: GlobalCompositeOperation): void;
    /**
     * Draw a rectangular shape on the surface.
     *
     * @param aabb      Target bounding box
     * @param color     Target color or gradient
     * @param fill      Should the shape be filled?
     * @param linewidth Width of the outline
     * @param blend     Drawing blend mode
     * @param center    Should drawing be centered?
     */
    drawRect(aabb: AABB, color: Color | ColorGradient, fill?: boolean, linewidth?: number, blend?: GlobalCompositeOperation, center?: boolean): void;
    /**
     * Draw a circular shape on the surface.
     *
     * @param center    Centered position of target
     * @param radius    Radius of the circle
     * @param color     Target color or gradient
     * @param fill      Should the shape be filled?
     * @param linewidth Width of the outline
     * @param blend     Drawing blend mode
     */
    drawCircle(center: Vec2D, radius: number, color: Color | ColorGradient, fill?: boolean, linewidth?: number, blend?: GlobalCompositeOperation): void;
    /**
     * Draw a polygon from a sorted list of points
     *
     * @param points    Sorted array of Vec2D points
     * @param color     Target color or gradient
     * @param fill      Should the shape be filled?
     * @param linewidth Width of the outline
     * @param blend     Drawing blend mode
     */
    drawPolygon(points: Vec2D[], color: Color | ColorGradient, fill?: boolean, linewidth?: number, blend?: GlobalCompositeOperation): void;
    /**
     * Render text on the surface.
     *
     * @param string Text to be rendered
     * @param font   Valid font family
     * @param size   Size of the font in pixels
     * @param color  Target color or gradient
     * @param pos    Centered position of target
     * @param blend  Drawing blend mode
     */
    drawText(string: string, font: string, size: number, color: Color | ColorGradient, pos: Vec2D, fill?: boolean, linewidth?: number, bold?: boolean, italic?: boolean, align?: CanvasTextAlign, blend?: GlobalCompositeOperation): void;
    /**
     * Clear the entire surface.
     */
    clear(): void;
}
export { Surface };