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package webp
import (
"bytes"
"github.com/chai2010/webp"
"image"
"io"
)
// Options represent WebP encoding options.
type Options struct {
Lossless bool `json:"lossless"`
Quality int `json:"quality"`
}
// DecodeWebp a webp file and return an image.
func DecodeWebp(r io.Reader) (image.Image, error) {
i, err := webp.Decode(r)
if err != nil {
return nil, err
}
return i, nil
}
// EncodeWebp encodes an image into webp and returns a buffer.
func EncodeWebp(i image.Image, o *Options) (buf bytes.Buffer, err error) {
if err = webp.Encode(&buf, i, &webp.Options{Lossless: o.Lossless, Quality: float32(o.Quality)}); err != nil {
return buf, err
}
return buf, nil
}