simple

Documentation

Index

• func Convert2Webp(reader io.Reader, quality float32) (target []byte, err error)
• func Webp2Others(reader io.Reader, targetType string, quality int) ([]byte, error)

Functions

func Convert2Webp

func Convert2Webp(reader io.Reader, quality float32) (target []byte, err error)

将图片转换成webp格式

reader: 源文件，支持：jpeg、png、bmp、gif
quality: 0 ~ 100

Usage example:

func main() {
   img,err:= os.Open("./asset/a.png")
   if err!=nil{
       return
   }

   res,err:=Convert2Webp(img,30)
   if err!=nil{
       return
   }
   ioutil.WriteFile("./asset/a.webp",res,0666)
}

func Webp2Others

func Webp2Others(reader io.Reader, targetType string, quality int) ([]byte, error)

将webp转换成其他格式

reader: 源文件，仅支持：webp
quality: 0 ~ 100

Usage example:

func main() {
   source, err := os.Open("./asset/a.webp")
   if err != nil {
       log.Fatalln(err)
   }
   data, err := Webp2Others(source, "png", 90)
   if err != nil {
       log.Fatalln(err)
   }

   wp, err := os.Create("./asset/b.png")
   if err != nil {
       log.Fatalln(err)
   }
   wp.Write(data)
}