l

SVGA.d.ts

@@ -40,6 +40,12 @@ export class EgretMovieClip extends egret.DisplayObjectContainer {
      * 所有帧数
      */
     totalFrames: number;
+    /**
+     * 
+     * @param imagekey 要替换的图片key值
+     * @param imageUrl 图片路径或_png
+     */
+    setImage(imagekey: string, imageUrl: string): void
     /**
      * 停止
      */

src/Egret/MovieClip.js

@@ -190,6 +190,27 @@ export class MovieClip extends egret.DisplayObjectContainer {
         // console.log(this)
     }
 
+    /**
+     * 
+     * @param imagekey 对应的imagekey
+     * @param imageUrl 图片路径，以后考虑支持多种形式
+     */
+    setImage(imagekey, imageUrl) {
+        if (!this.textures[imagekey]) return
+        let texture = this.textures[imagekey]
+        var width = texture.textureWidth;
+        var height = texture.textureHeight;
+        getAsset(imageUrl, function (tex, key) {
+            //替换掉this.textures[imagekey]
+            this.textures[imagekey] = tex;
+            for (var i = 0; i < this.children.length; i++) {
+                let child = this.children[i]
+                //texture相等
+                if (child.texture == texture) child.texture = tex
+            }
+        }, this)
+    }
+
     /**
      * 调用止方法将停止当前帧
      * @method stop
@@ -522,3 +543,26 @@ export class MovieClip extends egret.DisplayObjectContainer {
         return true
     }
 }
+
+
+/**
+ * @language zh_CN
+ * 解析素材
+ * @param source 待解析的新素材标识符
+ * @param compFunc 解析完成回调函数，示例：callBack(content:any,source:string):void;
+ * @param thisObject callBack的 this 引用
+ */
+function getAsset(source, compFunc, thisObject) {
+    if (RES.hasRes(source)) {
+        var data = RES.getRes(source);
+        if (data) {
+            compFunc(data, source);
+        }
+        else {
+            RES.getResAsync(source, compFunc, thisObject);
+        }
+    }
+    else {
+        RES.getResByUrl(source, compFunc, thisObject, RES.ResourceItem.TYPE_IMAGE);
+    }
+}
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