feat: winskin添加边框宽度选项

src/core/render/preset/misc.ts

@@ -253,6 +253,8 @@ export interface EWinskinEvent extends ERenderItemEvent {}
 
 export class Winskin extends RenderItem<EWinskinEvent> {
     image: SizedCanvasImageSource;
+    /** 边框宽度 */
+    borderSize: number = 32;
 
     constructor(
         image: SizedCanvasImageSource,
@@ -267,6 +269,18 @@ export class Winskin extends RenderItem<EWinskinEvent> {
         transform: Transform
     ): void {}
 
+    /**
+     * 设置winskin图片
+     * @param image winskin图片
+     */
+    setImage(image: SizedCanvasImageSource) {}
+
+    /**
+     * 设置边框大小
+     * @param size 边框大小
+     */
+    setBorderSize(size: number) {}
+
     patchProp(
         key: string,
         prevValue: any,