修改userdata创建方式

1 files changed, 7 insertions, 2 deletions

diff --git a/src/script/graphics/luaopen_Canvas.cpp b/src/script/graphics/luaopen_Canvas.cpp
index f869882..a34e3b3 100644
--- a/src/script/graphics/luaopen_Canvas.cpp
+++ b/src/script/graphics/luaopen_Canvas.cpp
@@ -11,7 +11,10 @@ namespace lua
 
     static inline Canvas* checkCanvas(lua_State* L)
     {
-        return (Canvas*)luax_checktype(L, 1, TYPE_CANVAS);
+        Proxy* proxy = (Proxy*)luax_checktype(L, 1, TYPE_CANVAS);
+        if (proxy != nullptr)
+            return (Canvas*)proxy->object;
+        return nullptr;
     }
 
     static int l_getWidth(lua_State* L)
@@ -47,7 +50,9 @@ namespace lua
 
     static int l_gc(lua_State* L)
     {
-
+        Canvas* canvas = checkCanvas(L);
+        if (canvas != nullptr)
+            delete canvas; 
         return 0;
     }