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