/**
 * Texture Editing
 *
 * Utilities for editing textures (brightness, contrast, filters, etc.)
 */
import { Texture } from './texture';
export interface BrightnessContrastOptions {
    brightness?: number;
    contrast?: number;
}
export interface SaturationHueOptions {
    saturation?: number;
    hue?: number;
}
export interface OpacityOptions {
    opacity?: number;
}
/**
 * Adjust brightness and contrast of texture
 */
export declare function adjustBrightnessContrast(texture: Texture, options: BrightnessContrastOptions): void;
/**
 * Adjust saturation and hue of texture
 */
export declare function adjustSaturationHue(texture: Texture, options: SaturationHueOptions): void;
/**
 * Adjust opacity of texture
 */
export declare function adjustOpacity(texture: Texture, options: OpacityOptions): void;
/**
 * Invert colors of texture
 */
export declare function invertColors(texture: Texture): void;
/**
 * Flip texture horizontally
 */
export declare function flipTextureX(texture: Texture): void;
/**
 * Flip texture vertically
 */
export declare function flipTextureY(texture: Texture): void;
/**
 * Rotate texture clockwise
 */
export declare function rotateTextureCW(texture: Texture): void;
/**
 * Rotate texture counter-clockwise
 */
export declare function rotateTextureCCW(texture: Texture): void;
/**
 * Apply grayscale filter
 */
export declare function applyGrayscale(texture: Texture): void;
/**
 * Apply sepia filter
 */
export declare function applySepia(texture: Texture): void;
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