export { getImageData } from './getImageData';
/**
 * Extract representative colors from an image.
 * @remarks because of it's dependency on `<canvas>`
 * this function only works in the browser.
 *  * In nodejs use `getPaletteFromImageData` directly instead.
 * @param image the image to extract the palette from.
 *  Must be loaded/complete.
 * @param numberOfColors upper limit on the number of colors to be returned
 * @param fast if true the image will be downscaled to 64x64, 128x128 otherwise.
 * The precise sizes used may change in the future.
 * @returns representative colors of the image ordered by importance (size of the cluster)
 */
export declare function getPalette(image: CanvasImageSource, numberOfColors?: number, fast?: boolean): string[];
/**
 * Extract representative colors from image data.
 * @param imageData image data to extract the colors from
 * @param numberOfColors upper limit on the number of colors to be returned
 * @returns representative colors of the image ordered by importance (size of the cluster)
 *
 */
export declare function getPaletteFromImageData(imageData: ImageData, numberOfColors?: number): string[];
/**
 * Fits a linear gradient to an image
 * @remarks because of it's dependency on `<canvas>`
 * this function only works in the browser.
 * In nodejs use `fitGradientToImageData` directly instead.
 * @param image the image to fit the gradient to
 *  Will be scaled down to at most 32x32.
 *  Must be loaded/complete.
 * @returns a string that can be used as a css gradient
 */
export declare function fitGradient(image: CanvasImageSource): string;
/**
 * Fits a linear gradient to image data
 * @param imageData the image data to fit the gradient to.
 * @returns a string that can be used as a css gradient.
 */
export declare function fitGradientToImageData(imageData: ImageData): string;