3 files changed, 9 insertions, 11 deletions
diff --git a/src/script/graphics/luaopen_Canvas.cpp b/src/script/graphics/luaopen_Canvas.cpp
index a34e3b3..1e22772 100644
--- a/src/script/graphics/luaopen_Canvas.cpp
+++ b/src/script/graphics/luaopen_Canvas.cpp
@@ -50,9 +50,9 @@ namespace lua
 
     static int l_gc(lua_State* L)
     {
-        Canvas* canvas = checkCanvas(L);
-        if (canvas != nullptr)
-            delete canvas; 
+        Proxy* proxy = (Proxy*)luax_checktype(L, 1, TYPE_CANVAS);
+        Canvas* canvas = (Canvas*)proxy->object;
+        delete canvas; 
         return 0;
     }
 
diff --git a/src/script/graphics/luaopen_Image.cpp b/src/script/graphics/luaopen_Image.cpp
index 9506ce4..246ea09 100644
--- a/src/script/graphics/luaopen_Image.cpp
+++ b/src/script/graphics/luaopen_Image.cpp
@@ -63,9 +63,9 @@ namespace lua
 
     static int l_gc(lua_State* L)
     {
-        Image* i = checkImage(L);
-        if (i != nullptr)
-            delete i;
+        Proxy* proxy = (Proxy*)luax_checktype(L, 1, TYPE_IMAGE);
+        Image* img = (Image*)proxy->object;
+        delete img;
         return 0; 
     }
 
diff --git a/src/script/graphics/luaopen_JSL.cpp b/src/script/graphics/luaopen_JSL.cpp
index 33afa2c..919949c 100644
--- a/src/script/graphics/luaopen_JSL.cpp
+++ b/src/script/graphics/luaopen_JSL.cpp
@@ -121,11 +121,9 @@ namespace lua
 
     static int l_gc(lua_State* L)
     {
-        JSLProgram* jsl = checkJSLProgram(L);
-        if (jsl != nullptr && jsl != NULL)
-        {
-            delete jsl;
-        }
+        Proxy* proxy = (Proxy*)luax_checktype(L, 1, TYPE_JSL);
+        JSLProgram* jsl = (JSLProgram*)proxy->object;
+        delete jsl;
         return 0;
     }