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path: root/src/libjin-lua/modules/graphics/je_lua_texture.cpp
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#include "common/je_lua_object.h"
#include "common/je_lua_common.h"
#include "libjin/jin.h"
#include "je_lua_texture.h"

using namespace JinEngine::Graphics;

namespace JinEngine
{
    namespace Lua
    {
        
        const char* Jin_Lua_Texture = "Texture";

        LUA_IMPLEMENT inline Texture* checkTexture(lua_State* L)
        {
            LuaObject* luaObj = (LuaObject*)luax_checktype(L, 1, Jin_Lua_Texture);
            return luaObj->getObject<Texture>();
        }

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

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

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

        LUA_IMPLEMENT int l_gc(lua_State* L)
        {
            LuaObject* luaObj = (LuaObject*)luax_checktype(L, 1, Jin_Lua_Texture);
            luaObj->release();
            return 0; 
        }
        
        LUA_EXPORT void luaopen_Texture(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_Texture, methods);
        }

    }// namespace Lua
}// namespace JinEngine