DisplayTextSize.h

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

 
int DisplayTextSize(lua_State* L_)
{
    int arg_count = lua_gettop(L_);
 
    const char* t = luaL_checkstring(L_, 1);
    int size = 1;
 
    if (arg_count >= 2)
        size = luaL_checkinteger(L_, 2);
 
    int sx = tft.textWidth(t);
 
    int lines = 1;
    for (const char* p = t; *p; p++)
        if (*p == '\n')
            lines++;
 
    int sy = lines * tft.fontHeight() * size;
 
    lua_newtable(L_);
    lua_pushinteger(L_, sx);
    lua_setfield(L_, -2, "x");
 
    lua_pushinteger(L_, sy);
    lua_setfield(L_, -2, "y");
 
    return 1;
}