export interface IFillProps {
fillStyle?: string|CanvasGradient|CanvasPattern;
// How far the shadow should extend from the object in the X direction.
// This value isn't affected by the transformation matrix.
// Use negative values to cause the shadow to extend the left,
// and positive values to cause the shadow to extend to the right.
// The default is 0.
shadowOffsetX?: number;
// How far the shadow should extend from the object in the Y direction.
// This value isn't affected by the transformation matrix.
// Use negative values to cause the shadow to extend up,
// and positive values to cause the shadow to extend down.
// The default is 0.
shadowOffsetY?: number;
// Indicates the size of the blurring effect;
// this value doesn't correspond to a number of pixels
// and is not affected by the current transformation matrix.
// The default value is 0.
shadowBlur?: number;
// A standard CSS color value indicating the color of the shadow effect;
// by default, it is fully-transparent black.
shadowColor?: string;
}