utils.lua

function dxDrawLinedRectangle( x, y, width, height, color, _width, postGUI )
	_width = _width or 1
	dxDrawLine ( x, y, x+width, y, color, _width, postGUI ) -- Top
	dxDrawLine ( x, y, x, y+height, color, _width, postGUI ) -- Left
	dxDrawLine ( x, y+height, x+width, y+height, color, _width, postGUI ) -- Bottom
	return dxDrawLine ( x+width, y, x+width, y+height, color, _width, postGUI ) -- Right
end

function isMouseInPosition ( x, y, width, height )
	if ( not isCursorShowing( ) ) then
		return false
	end
    local sx, sy = guiGetScreenSize ( )
    local cx, cy = getCursorPosition ( )
    local cx, cy = ( cx * sx ), ( cy * sy )
    if ( cx >= x and cx <= x + width ) and ( cy >= y and cy <= y + height ) then
        return true
    else
        return false
    end
end

function rgb2hex(r,g,b,s) -- edit by FileEX
	
	local hex_table = {[10] = 'A',[11] = 'B',[12] = 'C',[13] = 'D',[14] = 'E',[15] = 'F'}
	
	local r1 = math.floor(r / 16)
	local r2 = r - (16 * r1)
	local g1 = math.floor(g / 16)
	local g2 = g - (16 * g1)
	local b1 = math.floor(b / 16)
	local b2 = b - (16 * b1)
	
	if r1 > 9 then r1 = hex_table[r1] end
	if r2 > 9 then r2 = hex_table[r2] end
	if g1 > 9 then g1 = hex_table[g1] end
	if g2 > 9 then g2 = hex_table[g2] end
	if b1 > 9 then b1 = hex_table[b1] end
	if b2 > 9 then b2 = hex_table[b2] end

	if s then
		return "0xFF" .. r1 .. r2 .. g1 .. g2 .. b1 .. b2;
	else
		return tonumber('0xFF' .. r1 .. r2 .. g1 .. g2 .. b1 .. b2);
	end

end

function hex2rgba(hex) -- FileEX
    hex = hex:gsub("0x","");
    return tonumber("0x"..hex:sub(3,4)), tonumber("0x"..hex:sub(5,6)), tonumber("0x"..hex:sub(7,8)), tonumber('0x'..hex:sub(1,2));
end