画布印花合成

src/component/Canvas/CanvasEditor/managers/LayerManager.js

@@ -3436,4 +3436,22 @@ export class LayerManager {
 
     console.log("🎨 已设置组遮罩移动同步 - 使用 object:modified 事件");
   }
+
+  /**
+   * 获取印花和颜色图层设置了blendMode的图层ID
+   * @returns {string[]} - 包含blendMode的图层ID数组
+  */
+  getBlendModeLayerIds() {
+    const blendModeLayerIds = [];
+    this.layers.value.forEach(layer => {
+		if(layer.id === SpecialLayerId.SPECIAL_GROUP){
+			layer.children.forEach(child => {
+				if(child.blendMode && child.blendMode !== BlendMode.NORMAL){
+					blendModeLayerIds.push(child.id);
+				}
+			});
+		}
+    });
+    return blendModeLayerIds;
+  }
 }