"hash"
	"hash/adler32"
	"io"
)

// These constants are copied from the flate package, so that code that imports
// "compress/zlib" does not also have to import "compress/flate".
const (
	NoCompression      = flate.NoCompression
	BestSpeed          = flate.BestSpeed
	BestCompression    = flate.BestCompression
	DefaultCompression = flate.DefaultCompression
	HuffmanOnly        = flate.HuffmanOnly
)

				i += 8
			}
		}

		// Apply the filter.
		// Skip filter for NoCompression and paletted images (cbP8) as
		// "filters are rarely useful on palette images" and will result
		// in larger files (see http://www.libpng.org/pub/png/book/chapter09.html).
		f := ftNone
		if level != zlib.NoCompression && cb != cbP8 && cb != cbP4 && cb != cbP2 && cb != cbP1 {

	"fmt"
	"hash/crc32"
	"io"
	"time"
)

// These constants are copied from the flate package, so that code that imports
// "compress/gzip" does not also have to import "compress/flate".
const (
	NoCompression      = flate.NoCompression
	BestSpeed          = flate.BestSpeed
	BestCompression    = flate.BestCompression
	DefaultCompression = flate.DefaultCompression
	HuffmanOnly        = flate.HuffmanOnly
)

		if cfg.Width*cfg.Height > 1e6 {
			return
		}
		img, typ, err := image.Decode(bytes.NewReader(b))
		if err != nil || typ != "png" {
			return
		}
		levels := []CompressionLevel{
			DefaultCompression,
			NoCompression,
			BestSpeed,
			BestCompression,
		}
		for _, l := range levels {
			var w bytes.Buffer
			e := &Encoder{CompressionLevel: l}
			err = e.Encode(&w, img)
			if err != nil {

	if err := (&Encoder{}).Encode(&b1, m); err != nil {
		t.Fatal(err)
	}
	noenc := &Encoder{CompressionLevel: NoCompression}
	if err := noenc.Encode(&b2, m); err != nil {
		t.Fatal(err)
	}

	if b2.Len() <= b1.Len() {
		t.Error("DefaultCompression encoding was larger than NoCompression encoding")
	}
	if _, err := Decode(&b1); err != nil {
		t.Error("cannot decode DefaultCompression")
	}

// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package flate

import (
	"errors"
	"fmt"
	"io"
	"math"
)

const (
	NoCompression      = 0
	BestSpeed          = 1
	BestCompression    = 9
	DefaultCompression = -1

	// HuffmanOnly disables Lempel-Ziv match searching and only performs Huffman

	}
	if len(b.Dests) == 0 {
		return fmt.Errorf("dest required")
	}

	// Over localhost, compression CPU can be the bottleneck. With remotes, compressing usually saves a lot of time.
	compression := gzip.NoCompression
	for _, d := range b.Dests {
		if !strings.HasPrefix(d, "localhost") {
			compression = gzip.BestSpeed
			break
		}
	}

	var images []v1.Image
	for _, args := range b.Args {

		{"HuffmanOnly", Const, 7},
		{"InternalError", Type, 0},
		{"NewReader", Func, 0},
		{"NewReaderDict", Func, 0},
		{"NewWriter", Func, 0},
		{"NewWriterDict", Func, 0},
		{"NoCompression", Const, 0},
		{"ReadError", Type, 0},
		{"ReadError.Err", Field, 0},
		{"ReadError.Offset", Field, 0},
		{"Reader", Type, 0},
		{"Resetter", Type, 4},
		{"WriteError", Type, 0},