export interface RGBA {
    r: number;
    g: number;
    b: number;
    alpha: number;
}
export declare function blendColors(color1: string, color2: string, portion1?: number): string;
export declare function colorFrom24BitInt(i: number, alpha?: number): string;
export declare function colorFromByteArray(array: number[], offset?: number): string;
export declare function colorFromRGB(r: number, g: number, b: number, alpha?: number): string;
export declare function drawOutlinedText(context: CanvasRenderingContext2D, text: string, x: number, y: number, outlineStyle?: string, fillStyle?: string, strokeWidth?: number): void;
export declare function fillEllipse(context: CanvasRenderingContext2D, cx: number, cy: number, rx: number, ry: number): void;
export declare function fillCircle(context: CanvasRenderingContext2D, cx: number, cy: number, r: number): void;
export declare function parseColor(color: string): RGBA;
export declare function replaceAlpha(color: string, newAlpha: number): string;
export declare function getPixel(imageData: ImageData, x: number, y: number): number;
export declare function setPixel(imageData: ImageData, x: number, y: number, pixel: number): void;
export declare function strokeCircle(context: CanvasRenderingContext2D, cx: number, cy: number, radius: number): void;
export declare function strokeEllipse(context: CanvasRenderingContext2D, cx: number, cy: number, rx: number, ry: number): void;
export declare function strokeLine(context: CanvasRenderingContext2D, x0: number, y0: number, x1: number, y1: number): void;
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