Release package version 0.0.3

Update types of scene, added utils for check fill type.

lib/src/interfaces/fill.ts

@@ -0,0 +1,40 @@
+import { IRgbColor } from "./color";
+import { IPoint } from "@gxc-solutions/math";
+
+export type FillType = "solid" | "texture";
+export type GradientType = "liner" | "radial" | "conic";
+
+export interface IBaseFill {
+  type: GradientType | FillType;
+}
+
+export interface ISolidFill extends IBaseFill {
+  type: "solid";
+  color: IRgbColor;
+}
+
+export interface ITextureFill extends IBaseFill {
+  type: "texture";
+  texture: HTMLImageElement;
+}
+
+export interface IGradientStop {
+  offset: number;
+  color: IRgbColor;
+}
+
+export interface ILinerGradient extends IBaseFill {
+  type: "liner";
+  start: IPoint;
+  end: IPoint;
+  stops: IGradientStop[];
+}
+
+export interface IRadialGradient {
+  type: "radial";
+}
+
+export interface IConicGradient {
+  type: "conic";
+}
+