pnglevel

README

pnglevel

Package pnglevel changes zlib compression level of PNG files.

Documentation

Overview

Package pnglevel changes zlib compression level of PNG files.

Index

• func NewReader(r io.Reader, level int) io.Reader
• func Repack(w io.Writer, r io.Reader, level int) error
• type Reader
  • func (p *Reader) Read(b []byte) (nn int, err error)

Functions

func NewReader

func NewReader(r io.Reader, level int) io.Reader

Repack reads a PNG file from the given io.Reader and writes it recompressed with the given level to io.Writer.

func Repack

func Repack(w io.Writer, r io.Reader, level int) error

Types

type Reader

type Reader struct {
	// contains filtered or unexported fields
}

func (*Reader) Read

func (p *Reader) Read(b []byte) (nn int, err error)