jpeg

README

jpeg

package to handle jpeg comments, image size and maybe more...

Documentation

Overview

Package jpeg implements decoding of jpeg file

Index

• type JpegReader
  • func (j *JpegReader) Bytes(length int) ([]byte, error)
  • func (j *JpegReader) Bytes0(length int) ([]byte, error)
  • func (j *JpegReader) Decode() error
  • func (j *JpegReader) NextByte() byte
  • func (j *JpegReader) Open(fname string, verbose bool) error
  • func (j *JpegReader) PrintMark(markName string, m byte)
  • func (j *JpegReader) PrintMarkAndGetData(markName string, m byte) (int, []byte)
  • func (j *JpegReader) PrintMarkComment(markName string, m byte)
  • func (j *JpegReader) PrintMarkExif(markName string, m byte)
  • func (j *JpegReader) PrintMarkLength(markName string, m byte)
  • func (j *JpegReader) PrintMarkStartOfFrame0(markName string, m byte)
  • func (j *JpegReader) ScanToFFmark() byte
  • func (j *JpegReader) SegmentLength() int

Types

type JpegReader

type JpegReader struct {
	Filename string

	ImageHeight int
	ImageWidth  int
	Comment     string
	Thumbnail   []byte
	// contains filtered or unexported fields
}

func (*JpegReader) Bytes

func (j *JpegReader) Bytes(length int) ([]byte, error)

func (*JpegReader) Bytes0

func (j *JpegReader) Bytes0(length int) ([]byte, error)

func (*JpegReader) Decode

func (j *JpegReader) Decode() error

func (*JpegReader) NextByte

func (j *JpegReader) NextByte() byte

func (*JpegReader) Open

func (j *JpegReader) Open(fname string, verbose bool) error

func (*JpegReader) PrintMark

func (j *JpegReader) PrintMark(markName string, m byte)

func (*JpegReader) PrintMarkAndGetData

func (j *JpegReader) PrintMarkAndGetData(markName string, m byte) (int, []byte)

func (*JpegReader) PrintMarkComment

func (j *JpegReader) PrintMarkComment(markName string, m byte)

func (*JpegReader) PrintMarkExif

func (j *JpegReader) PrintMarkExif(markName string, m byte)

func (*JpegReader) PrintMarkLength

func (j *JpegReader) PrintMarkLength(markName string, m byte)

func (*JpegReader) PrintMarkStartOfFrame0

func (j *JpegReader) PrintMarkStartOfFrame0(markName string, m byte)

func (*JpegReader) ScanToFFmark

func (j *JpegReader) ScanToFFmark() byte

func (*JpegReader) SegmentLength

func (j *JpegReader) SegmentLength() int