From 96132ee1c135b18a5a860ab3e1e3cd15fc90545b Mon Sep 17 00:00:00 2001
From: Simon Robertshaw <simon@hardwired.org.uk>
Date: Fri, 3 Aug 2012 00:52:24 +0100
Subject: Stop returning luaL_error from drawing functions for no reason,
 addresses issue #29


diff --git a/src/cat/LuaScriptInterface.cpp b/src/cat/LuaScriptInterface.cpp
index 7b98fa3..edd111f 100644
--- a/src/cat/LuaScriptInterface.cpp
+++ b/src/cat/LuaScriptInterface.cpp
@@ -1518,7 +1518,7 @@ int luatpt_drawrect(lua_State* l)
 	if (a<0) a = 0;
 	if (a>255) a = 255;
 	luacon_g->drawrect(x, y, w, h, r, g, b, a);
-	return luaL_error(l, "Screen buffer does not exist");
+	return 0;
 }
 
 int luatpt_fillrect(lua_State* l)
@@ -1548,7 +1548,7 @@ int luatpt_fillrect(lua_State* l)
 	if (a<0) a = 0;
 	if (a>255) a = 255;
 	luacon_g->fillrect(x, y, w, h, r, g, b, a);
-	return luaL_error(l, "Screen buffer does not exist");
+	return 0;
 }
 
 int luatpt_drawline(lua_State* l)
@@ -1573,7 +1573,7 @@ int luatpt_drawline(lua_State* l)
 	if (a<0) a = 0;
 	if (a>255) a = 255;
 	luacon_g->draw_line(x1, y1, x2, y2, r, g, b, a);
-	return luaL_error(l, "Screen buffer does not exist");
+	return 0;
 }
 
 int luatpt_textwidth(lua_State* l)
--
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