RGB.h

Go to the documentation of this file.

#pragma once
 
#include "lua_include.h"
#include "global.h"

 
int RGB(lua_State* L_)
{
    int r = luaL_checkinteger(L_, 1);
    int g = luaL_checkinteger(L_, 2);
    int b = luaL_checkinteger(L_, 3);
 
    if (r < 0) r = 0; else if (r > 255) r = 255;
    if (g < 0) g = 0; else if (g > 255) g = 255;
    if (b < 0) b = 0; else if (b > 255) b = 255;
 
    uint16_t color = ((r >> 3) << 11) | ((g >> 2) << 5) | (b >> 3);
 
    lua_pushinteger(L_, color);
    return 1;
}