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path: root/src/libjin-lua/modules/graphics/l_canvas.cpp
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#include "common/l_object.h"
#include "common/l_common.h"
#include "libjin/jin.h"
#include "l_canvas.h"

using namespace JinEngine::Graphics;

namespace JinEngine
{
	namespace Lua
	{

		const char* Jin_Lua_Canvas = "Canvas";

		LUA_IMPLEMENT inline Canvas* checkCanvas(lua_State* L)
		{
			LuaObject* luaObj = (LuaObject*)luax_checktype(L, 1, Jin_Lua_Canvas);
			return luaObj->getObject<Canvas>();
		}

		LUA_IMPLEMENT int l_getWidth(lua_State* L)
		{
			Canvas* canvas = checkCanvas(L);
			luax_pushnumber(L, canvas->getWidth());
			return 1;
		}

		LUA_IMPLEMENT int l_getHeight(lua_State* L)
		{
			Canvas* canvas = checkCanvas(L);
			luax_pushnumber(L, canvas->getHeight());
			return 1;
		}

		LUA_IMPLEMENT int l_getSize(lua_State* L)
		{
			Canvas* canvas = checkCanvas(L);
			luax_pushnumber(L, canvas->getWidth());
			luax_pushnumber(L, canvas->getHeight());
			return 2;
		}

		LUA_IMPLEMENT int l_gc(lua_State* L)
		{
			LuaObject* luaObj = (LuaObject*)luax_checktype(L, 1, Jin_Lua_Canvas);
			luaObj->release();
			return 0;
		}

		LUA_EXPORT void luaopen_Canvas(lua_State* L)
		{
			luaL_Reg methods[] = {
				{ "__gc",	  l_gc		},
				{ "getWidth",  l_getWidth  },
				{ "getHeight", l_getHeight },
				{ "getSize",   l_getSize   },
				{ 0,		   0		   }
			};
			luax_newtype(L, Jin_Lua_Canvas, methods);
		}

	} // namespace Lua
} // namespace JinEngine