iup-stack/iup/srclua5/iuplua_getcolor.c

46 lines
811 B
C
Executable File

/** \file
* \brief IupGetColor binding to Lua 5.
*
* See Copyright Notice in "iup.h"
*/
#include <stdlib.h>
#include <lua.h>
#include <lauxlib.h>
#include "iup.h"
#include "iuplua.h"
#include "il.h"
static int GetColor(lua_State *L)
{
int x = (int)luaL_checkinteger(L,1);
int y = (int)luaL_checkinteger(L, 2);
unsigned char r = (unsigned char)luaL_optinteger(L, 3, 0);
unsigned char g = (unsigned char)luaL_optinteger(L, 4, 0);
unsigned char b = (unsigned char)luaL_optinteger(L, 5, 0);
int ret = IupGetColor(x,y,&r,&g,&b);
if (ret)
{
lua_pushinteger(L, r);
lua_pushinteger(L, g);
lua_pushinteger(L, b);
return 3;
}
else
{
lua_pushnil(L);
return 1;
}
}
int iupgclua_open(lua_State * L)
{
iuplua_register(L, GetColor, "GetColor");
return 0;
}