/**
 * Pixel Utilities
 *
 * Utilities for pixel grid, pixel snapping, and pixel-perfect operations.
 */
import { Texture } from './texture';
/**
 * Snap UV coordinates to pixel grid
 */
export declare function snapUVToPixels(uv: [number, number] | [number, number, number, number], texture: Texture): [number, number] | [number, number, number, number];
/**
 * Clamp UV coordinates to texture bounds
 */
export declare function clampUVToTexture(uv: [number, number] | [number, number, number, number], texture: Texture): [number, number] | [number, number, number, number];
/**
 * Get pixel size for texture in UV space
 */
export declare function getTexturePixelSize(texture: Texture): {
    x: number;
    y: number;
};
/**
 * Convert UV coordinates to pixel coordinates
 */
export declare function uvToPixel(uv: [number, number], texture: Texture): [number, number];
/**
 * Convert pixel coordinates to UV coordinates
 */
export declare function pixelToUV(pixel: [number, number], texture: Texture): [number, number];
/**
 * Get pixel grid lines for rendering
 * Framework adapters should use this to render pixel grids
 */
export declare function getPixelGridLines(texture: Texture, width: number, height: number): Array<{
    x1: number;
    y1: number;
    x2: number;
    y2: number;
}>;
/**
 * Check if coordinates are on pixel boundary
 */
export declare function isOnPixelBoundary(uv: [number, number], texture: Texture): boolean;
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