import type { ImageAdapter } from "./ImageAdapter";
import { Viewport } from "../pixel-accessor";
import type { Color } from "../types";
/**
 * Abstract image class for ImageAdapter implementation.
 */
export declare abstract class AbstractImageAdapter<ResourceType> implements ImageAdapter<ResourceType> {
    /**
     * Image width.
     */
    readonly width: number;
    /**
     * Image height.
     */
    readonly height: number;
    /**
     * Image virtual viewport.
     */
    protected viewport: Viewport;
    /**
     * Image background color.
     */
    protected backgroundColor: Color;
    /**
     * Image quantum range (per channel).
     */
    protected quantumRange: number;
    /**
     * AbstractImageAdapter constructor.
     *
     * @param width Image width.
     * @param height Image height.
     */
    protected constructor(width: number, height: number);
    /**
     * @inheritDoc
     */
    abstract getPixelColor(x: number, y: number): Color;
    /**
     * @inheritDoc
     */
    abstract setPixelColor(x: number, y: number, color: Color): void;
    /**
     * @inheritDoc
     */
    abstract getAverageColor(): Color;
    /**
     * Returns resized instance of self.
     *
     * @param width New width.
     * @param height New height.
     * @returns New resized instance.
     */
    protected abstract resize(width: number, height: number): ImageAdapter<ResourceType>;
    /**
     * @inheritDoc
     */
    abstract getResource(): ResourceType;
    /**
     * Prepares blank image for ImageAdapter.getBlank method.
     *
     * @param width Image width.
     * @param height Image height.
     */
    protected abstract prepareBlank(width: number, height: number): ImageAdapter<ResourceType>;
    /**
     * @inheritDoc
     */
    abstract commit(): void;
    /**
     * @inheritDoc
     */
    getViewport(): Viewport;
    /**
     * @inheritDoc
     */
    setViewport(viewport: Viewport): this;
    /**
     * @inheritDoc
     */
    getBackgroundColor(): Color;
    /**
     * @inheritDoc
     */
    setBackgroundColor(color: Color): this;
    /**
     * @inheritDoc
     */
    getQuantumRange(): number;
    /**
     * @inheritDoc
     */
    getBlank(viewport: Viewport): ImageAdapter<ResourceType>;
    /**
     * @inheritDoc
     */
    scale(scale: number): ImageAdapter<ResourceType>;
    /**
     * Used to copy some props in methods that returns new instance.
     *
     * @param instance Instance which props should be set.
     */
    protected duplicateProps(instance: ImageAdapter<ResourceType>): ImageAdapter<ResourceType>;
}