67 lines
1.2 KiB
Go
67 lines
1.2 KiB
Go
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package main
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import (
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"bufio"
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"fmt"
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"image"
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"image/draw"
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"image/png"
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"io/ioutil"
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"log"
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"os"
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"github.com/golang/freetype"
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)
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func main() {
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// Read the font data.
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fontBytes, err := ioutil.ReadFile("../NewYork.ttf")
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if err != nil {
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log.Println(err)
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return
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}
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//produce the fonttype
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f, err := freetype.ParseFont(fontBytes)
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if err != nil {
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log.Println(err)
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return
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}
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fg, bg := image.Black, image.White
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rgba := image.NewRGBA(image.Rect(0, 0, 640, 480))
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draw.Draw(rgba, rgba.Bounds(), bg, image.ZP, draw.Src)
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c := freetype.NewContext()
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// 设置像素密度
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c.SetDPI(140)
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// 指定字体
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c.SetFont(f)
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// 指定字体大小
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c.SetFontSize(140)
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// 指定画布对象
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c.SetDst(rgba)
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// 指定画布绘制范围
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c.SetClip(rgba.Bounds())
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// 指定文字颜色
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c.SetSrc(fg)
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pt := freetype.Pt(10, 10+int(c.PointToFixed(140)>>6))
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//add chinese line
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c.DrawString("B", pt)
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// Save the output to file
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of, err := os.Create("out.png")
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if err != nil {
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fmt.Println(err.Error())
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}
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defer of.Close()
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b := bufio.NewWriter(of)
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if err := png.Encode(b, rgba); err != nil {
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fmt.Println(err.Error())
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}
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if err := b.Flush(); err != nil {
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fmt.Println(err.Error())
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}
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}
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