Last active
August 18, 2022 14:17
-
-
Save liuguangw/5217535afcabca89edaee84e97872382 to your computer and use it in GitHub Desktop.
用go语言创建图片，并在图片上写汉字
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| package main | |
| import ( | |
| _ "embed" | |
| "github.com/golang/freetype" | |
| "github.com/golang/freetype/truetype" | |
| "golang.org/x/image/math/fixed" | |
| "image" | |
| "image/color" | |
| "image/draw" | |
| "image/png" | |
| "os" | |
| ) | |
| //go:embed SourceHanSansCN-Normal.ttf | |
| var myFont []byte | |
| func main() { | |
| img := image.NewRGBA(image.Rect(0, 0, 320, 100)) | |
| bg := color.RGBA{255, 255, 255, 255} | |
| red := color.RGBA{255, 0, 0, 255} | |
| draw.Draw(img, img.Bounds(), &image.Uniform{bg}, image.Point{}, draw.Src) | |
| font, err := truetype.Parse(myFont) | |
| if err != nil { | |
| panic(err) | |
| } | |
| ctx := freetype.NewContext() | |
| ctx.SetClip(img.Bounds()) | |
| ctx.SetSrc(&image.Uniform{red}) | |
| ctx.SetDst(img) | |
| ctx.SetFont(font) | |
| ctx.SetFontSize(80.0) | |
| if _, err := ctx.DrawString("你好世界", fixed.P(0, 80)); err != nil { | |
| panic(err) | |
| } | |
| f, err := os.Create("draw.png") | |
| if err != nil { | |
| panic(err) | |
| } | |
| defer f.Close() | |
| png.Encode(f, img) | |
| } |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment