luarocks rockspec for development etc

obj_surface.c

@@ -769,7 +769,7 @@ map_to_image(lua_State *L)
         from_lua_rectangle(L, prect, 2);
     }
 
-    res = create_surface_userdata(L);
+    res = &create_surface_userdata(L)->surface;
     *res = cairo_surface_map_to_image(*obj, prect);
     return 1;
 }

oocairo-scm-0.rockspec

@@ -0,0 +1,49 @@
+package = "oocairo"
+version = "scm-0"
+local versionNumber = version:gsub("^(.*)-.-$", "%1")
+source = {
+  url = "https://github.com/awesomeWM/oocairo/archive/master.zip",
+  dir = "oocairo-master",
+}
+description = {
+  summary = "Cairo bindings for lua ",
+  homepage = "https://github.com/awesomeWM/oocairo",
+  license = "MIT/X11",
+  detailed = [[
+	Lua-OOCairo provides Lua with full access to the Cairo vector graphics API. 
+	It can be used for drawing onto bitmap images and saving the resulting files
+	in PNG format, or for generating files in vector formats like SVG and PDF. 
+  ]],
+}
+dependencies = {
+  "lua >= 5.1, < 5.4",
+}
+external_dependencies = {
+  CAIRO = {
+    header = "cairo/cairo.h",
+    library = "cairo",
+  }
+}
+
+build = {
+  type = "builtin",
+  modules = {
+    oocairo = {
+      defines = { 
+      	"VERSION=\""..versionNumber.."\"" 
+      },
+      sources = { 
+          "oocairo.c",
+      },
+      libraries = {
+      	"cairo"
+      },
+      incdirs = {
+        "$(CAIRO_INCDIR)/cairo"
+      },
+      libdirs = {
+      	"$(CAIRO_LIBDIR)"
+      },
+    },
+  }
+}

oocairo.c

@@ -953,6 +953,9 @@ create_object_metatable (lua_State *L, const char *mt_name,
         lua_pushliteral(L, "_NAME");
         lua_pushstring(L, debug_name);
         lua_rawset(L, -3);
+        lua_pushliteral(L, "__name");
+        lua_pushstring(L, debug_name);
+        lua_rawset(L, -3);
         add_funcs_to_table(L, methods);
         lua_pushliteral(L, "__index");
         lua_pushvalue(L, -2);