mirror of
https://github.com/hajimehoshi/ebiten.git
synced 2024-12-27 04:08:53 +01:00
135 lines
3.4 KiB
HTML
135 lines
3.4 KiB
HTML
<!DOCTYPE html>
|
|
<!--
|
|
Copyright 2013 The Ebiten Authors
|
|
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
|
you may not use this file except in compliance with the License.
|
|
You may obtain a copy of the License at
|
|
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
Unless required by applicable law or agreed to in writing, software
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
See the License for the specific language governing permissions and
|
|
limitations under the License.
|
|
-->
|
|
<link rel="shortcut icon" href="../favicon.png" type="image/png" >
|
|
<link rel="icon" href="../favicon.png" type="image/png" >
|
|
<title>Ebiten example - font</title>
|
|
<style>
|
|
body {
|
|
font-family: sans-serif;
|
|
}
|
|
iframe {
|
|
border-color: #999;
|
|
border-style: solid;
|
|
border-width: 1px;
|
|
overflow: hidden;
|
|
}
|
|
pre {
|
|
background: #eee;
|
|
padding: 1em;
|
|
}
|
|
</style>
|
|
<nav><a href="..">Ebiten</a></nav>
|
|
|
|
<h1>Ebiten example - font</h1>
|
|
<iframe src="font.content.html" width="640" height="480"></iframe>
|
|
<pre><code>package main
|
|
|
|
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
|
|
}
|
|
defer f.Close()
|
|
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,
|
|
}),
|
|
}
|
|
dy := size * dpi / 72
|
|
y := dy
|
|
for _, s := range text {
|
|
d.Dot = fixed.P(0, y)
|
|
d.DrawString(s)
|
|
y += dy
|
|
}
|
|
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>
|
|
|
|
|
|
<footer>© 2013 Hajime Hoshi</footer>
|