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path: root/src/lua/modules/graphics/je_lua_canvas.cpp
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#include "common/je_lua_proxy.h"
#include "common/je_lua_common.h"
#include "libjin/jin.h"
#include "je_lua_canvas.h"

using namespace JinEngine::Graphics;

namespace JinEngine
{
    namespace Lua
    {

        const char* Jin_Lua_Canvas = "Canvas";

        typedef Shared<Canvas>& SharedCanvas;

        LUA_IMPLEMENT inline SharedCanvas checkCanvas(lua_State* L)
        {
            Proxy* proxy = (Proxy*)luax_checktype(L, 1, Jin_Lua_Canvas);
		    return proxy->getShared<Canvas>();
	    }

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

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

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

        LUA_IMPLEMENT int l_gc(lua_State* L)
        {
            Proxy* proxy = (Proxy*)luax_checktype(L, 1, Jin_Lua_Canvas);
            proxy->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