You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: font.go
    path of file: ./repos/darktile/vendor/github.com/lxn/walk
    
    the code of the file until where you have to start completion: // Copyright 2010 The Walk Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

// +build windows

package walk

import (
	"syscall"
)

import (
	"github.com/lxn/win"
)

type FontStyle byte

// Font style flags
const (
	FontBold      FontStyle = 0x01
	FontItalic    FontStyle = 0x02
	FontUnderline FontStyle = 0x04
	F
    
func (f *Font) createForDPI(dpi int) (win.HFONT, error) {
	var lf win.LOGFONT

	lf.LfHeight = -win.MulDiv(int32(f.pointSize), int32(dpi), 72)
	if f.style&FontBold > 0 {
		lf.LfWeight = win.FW_BOLD
	} else {
		lf.LfWeight = win.FW_NORMAL
	}
	if f.style&FontItalic > 0 {
		lf.LfItalic = 1
	}
	if f.style&FontUnderline > 0 {
		lf.LfUnderline = 1
	}
	if f.style&FontStrikeOut > 0 {
		lf.LfStrikeOut = 1
	}
	lf.LfCharSet = win.DEFAULT_CHARSET
	lf.LfOutPrecision = win.OUT_TT_PRECIS
	lf.LfClipPrecision = win.CLIP_DEFAULT_PRECIS
	lf.LfQuality = win.CLEARTYPE_QUALITY
	lf.LfPitchAndFamily = win.VARIABLE_PITCH | win.FF_SWISS

	src := syscall.StringToUTF16(f.family)
	dest := lf.LfFaceName[:]
	copy(dest, src)

	hFont := win.CreateFontIndirect(&lf)
	if hFont == 0 {
		return 0, newError("CreateFontIndirect failed")
	}

	return hFont, nil
}