stevenbooru/vendor/src/github.com/deiwin/imstor/jpeg_format.go

34 lines
621 B
Go

package imstor
import (
"image"
"image/jpeg"
"io"
)
var jpegEncodingOptions = &jpeg.Options{
Quality: jpeg.DefaultQuality,
}
// JPEGFormat decodes a jpeg image and encodes it as a JPEG with the extension jpg
var JPEGFormat Format = jpegFormat{}
type jpegFormat struct {
}
func (f jpegFormat) Decode(r io.Reader) (image.Image, error) {
return jpeg.Decode(r)
}
func (f jpegFormat) DecodableMediaType() string {
return "image/jpeg"
}
func (f jpegFormat) Encode(w io.Writer, i image.Image) error {
return jpeg.Encode(w, i, jpegEncodingOptions)
}
func (f jpegFormat) EncodedExtension() string {
return "jpg"
}