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<!DOCTYPE html>
< link rel = "shortcut icon" href = "../favicon.png" type = "image/png" >
< link rel = "icon" href = "../favicon.png" type = "image/png" >
< title > Ebiten example - font< / title >
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< link rel = "stylesheet" href = "/stylesheets/bootstrap.min.css" >
< link rel = "stylesheet" href = "/stylesheets/ebiten.css" >
< header class = "navbar" > < div class = "container" >
< div class = "navbar-header" >
< a class = "navbar-brand" href = "/" > Ebiten< / a >
< / div >
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< nav class = "collapse navbar-collapse" >
< ul class = "nav navbar-nav navbar-right" >
< li > < a href = "https://github.com/hajimehoshi/ebiten" > GitHub< / a > < / li >
< li > < a href = "http://godoc.org/github.com/hajimehoshi/ebiten" > GoDoc< / a > < / li >
< li > < a href = "https://github.com/hajimehoshi/ebiten/wiki" > Wiki< / a >
< / ul >
< / nav >
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< / header >
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< main > < div class = "container" >
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< h2 > Ebiten example - font< / h2 >
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< iframe src = "font.content.html" width = "640" height = "480" > < / iframe >
< pre > < code > // + build example
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package main
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import (
" image"
" io/ioutil"
" log"
" github.com/golang/freetype/truetype"
" github.com/hajimehoshi/ebiten"
" github.com/hajimehoshi/ebiten/ebitenutil"
" golang.org/x/image/font"
" golang.org/x/image/math/fixed"
)
const (
screenWidth = 640
screenHeight = 480
)
var (
textImage *ebiten.Image
)
var text = []string{
" The quick brown fox jumps over the lazy dog." ,
" " ,
// A head part of a Japanese novel 山月記 (Sangetsuki)
// See http://www.aozora.gr.jp/cards/000119/files/624_14544.html.
" 隴西の李徴は博学才穎、天宝の末年、" ,
" 若くして名を虎榜に連ね、" ,
" ついで江南尉に補せられたが、" ,
" 性、狷介、自ら恃むところ頗厚く、" ,
" 賤吏に甘んずるを潔しとしなかった。" ,
}
func parseFont() error {
f, err := ebitenutil.OpenFile(" _resources/fonts/mplus-1p-regular.ttf" )
if err != nil {
return err
}
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defer func() {
_ = f.Close()
}()
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b, err := ioutil.ReadAll(f)
if err != nil {
return err
}
tt, err := truetype.Parse(b)
if err != nil {
return err
}
w, h := textImage.Size()
dst := image.NewRGBA(image.Rect(0, 0, w, h))
const size = 24
const dpi = 72
d := & font.Drawer{
Dst: dst,
Src: image.White,
Face: truetype.NewFace(tt, & truetype.Options{
Size: size,
DPI: dpi,
Hinting: font.HintingFull,
}),
}
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y := size
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for _, s := range text {
d.Dot = fixed.P(0, y)
d.DrawString(s)
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y + = size
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}
return textImage.ReplacePixels(dst.Pix)
}
func update(screen *ebiten.Image) error {
if err := screen.DrawImage(textImage, & ebiten.DrawImageOptions{}); err != nil {
return err
}
return nil
}
func main() {
var err error
textImage, err = ebiten.NewImage(screenWidth, screenHeight, ebiten.FilterNearest)
if err != nil {
log.Fatal(err)
}
if err := parseFont(); err != nil {
log.Fatal(err)
}
if err := ebiten.Run(update, screenWidth, screenHeight, 1, " Font (Ebiten Demo)" ); err != nil {
log.Fatal(err)
}
}
< / code > < / pre >
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< / div > < / main >
< footer > < div class = "container" >
< p > © 2013 Hajime Hoshi< / p >
< p > Code is licensed under < a href = "https://github.com/hajimehoshi/ebiten/blob/master/LICENSE" > Apache License 2.0< / a > .< / p >
< p > The content of this page is licensed under < a href = "https://creativecommons.org/licenses/by/4.0/" > the Creative Commons Attribution 4.0 License< / a > .< / p >
< / div > < / footer >
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