#18 动态图集用于优化drawcall

source/bin/framework.d.ts

@@ -1880,3 +1880,86 @@ declare module es {
         initialized: boolean;
     }
 }
+declare module es {
+    class AssetPacker {
+        protected itemsToRaster: TextureToPack[];
+        onProcessCompleted: Function;
+        useCache: boolean;
+        cacheName: string;
+        protected _sprites: Map<string, egret.Texture>;
+        protected allow4096Textures: boolean;
+        addTextureToPack(texture: egret.Texture, customID: string): void;
+        process(allow4096Textures?: boolean): Promise<void>;
+        protected loadPack(): Promise<any>;
+        protected createPack(): void;
+        dispose(): void;
+        getTexture(id: string): egret.Texture;
+    }
+}
+declare module es {
+    class IntegerRectangle extends Rectangle {
+        id: number;
+    }
+}
+declare module es {
+    class RectanglePacker {
+        private _width;
+        private _height;
+        private _padding;
+        private _packedWidth;
+        private _packedHeight;
+        private _insertList;
+        private _insertedRectangles;
+        private _freeAreas;
+        private _newFreeAreas;
+        private _outsideRectangle;
+        private _sortableSizeStack;
+        private _rectangleStack;
+        readonly rectangleCount: number;
+        readonly packedWidth: number;
+        readonly packedHeight: number;
+        readonly padding: number;
+        constructor(width: number, height: number, padding?: number);
+        reset(width: number, height: number, padding?: number): void;
+        insertRectangle(width: number, height: number, id: number): void;
+        packRectangles(sort?: boolean): number;
+        getRectangle(index: number, rectangle: IntegerRectangle): IntegerRectangle;
+        getRectangleId(index: number): number;
+        private generateNewFreeAreas;
+        private filterSelfSubAreas;
+        private generateDividedAreas;
+        private getFreeAreaIndex;
+        private allocateSize;
+        private freeSize;
+        private allocateRectangle;
+        private freeRectangle;
+    }
+}
+declare module es {
+    class SortableSize {
+        width: number;
+        height: number;
+        id: number;
+        constructor(width: number, height: number, id: number);
+    }
+}
+declare module es {
+    class TextureAssets {
+        assets: TextureAsset[];
+        constructor(assets: TextureAsset[]);
+    }
+    class TextureAsset {
+        x: number;
+        y: number;
+        width: number;
+        height: number;
+        name: string;
+    }
+}
+declare module es {
+    class TextureToPack {
+        texture: egret.Texture;
+        id: string;
+        constructor(texture: egret.Texture, id: string);
+    }
+}