image: optimize Image.At().RGBA() · Issue #15759 · golang/go

package benchimageencode import ( "bytes" "image" "image/color" "image/gif" "image/jpeg" "image/png" "io" "strconv" "testing" "golang.org/x/image/bmp" "golang.org/x/image/tiff" ) func Benchmark(b *testing.B) { buf := new(bytes.Buffer) for _, tcEnc := range []struct { name string enc func(w io.Writer, im image.Image) error }{ { "JPEG", func(w io.Writer, im image.Image) error { return jpeg.Encode(w,