epubzip

Documentation

Overview

Helper to write EPUB files.

We create a zip with the magic EPUB mimetype.

Index

• type EPUBZip
  • func New(path string) (*EPUBZip, error)
  • func (e *EPUBZip) Close() error
  • func (e *EPUBZip) Copy(fz *zip.File) error
  • func (e *EPUBZip) WriteContent(file string, content []byte) error
  • func (e *EPUBZip) WriteMagic() error
  • func (e *EPUBZip) WriteRaw(raw *ZipImage) error
• type EPUBZipStorageImageReader
  • func NewEPUBZipStorageImageReader(filename string) (*EPUBZipStorageImageReader, error)
  • func (e *EPUBZipStorageImageReader) Close() error
  • func (e *EPUBZipStorageImageReader) Get(filename string) *zip.File
  • func (e *EPUBZipStorageImageReader) Remove() error
  • func (e *EPUBZipStorageImageReader) Size(filename string) uint64
• type EPUBZipStorageImageWriter
  • func NewEPUBZipStorageImageWriter(filename string, format string) (*EPUBZipStorageImageWriter, error)
  • func (e *EPUBZipStorageImageWriter) Add(filename string, img image.Image, quality int) error
  • func (e *EPUBZipStorageImageWriter) Close() error
• type ZipImage
  • func CompressImage(filename string, format string, img image.Image, quality int) (*ZipImage, error)

Types

type EPUBZip

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

func New

func New(path string) (*EPUBZip, error)

create a new EPUB

func (*EPUBZip) Close

func (e *EPUBZip) Close() error

close compress pipe and file.

func (*EPUBZip) Copy

func (e *EPUBZip) Copy(fz *zip.File) error

func (*EPUBZip) WriteContent

func (e *EPUBZip) WriteContent(file string, content []byte) error

Write file. Compressed it using deflate.

func (*EPUBZip) WriteMagic

func (e *EPUBZip) WriteMagic() error

Write mimetype, in a very specific way. This will be valid with epubcheck tools.

func (*EPUBZip) WriteRaw

func (e *EPUBZip) WriteRaw(raw *ZipImage) error

Write image. They are already compressed, so we write them down directly.

type EPUBZipStorageImageReader

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

func NewEPUBZipStorageImageReader

func NewEPUBZipStorageImageReader(filename string) (*EPUBZipStorageImageReader, error)

func (*EPUBZipStorageImageReader) Close

func (e *EPUBZipStorageImageReader) Close() error

func (*EPUBZipStorageImageReader) Get

func (e *EPUBZipStorageImageReader) Get(filename string) *zip.File

func (*EPUBZipStorageImageReader) Remove

func (e *EPUBZipStorageImageReader) Remove() error

func (*EPUBZipStorageImageReader) Size

func (e *EPUBZipStorageImageReader) Size(filename string) uint64

type EPUBZipStorageImageWriter

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

func NewEPUBZipStorageImageWriter

func NewEPUBZipStorageImageWriter(filename string, format string) (*EPUBZipStorageImageWriter, error)

func (*EPUBZipStorageImageWriter) Add

func (e *EPUBZipStorageImageWriter) Add(filename string, img image.Image, quality int) error

func (*EPUBZipStorageImageWriter) Close

func (e *EPUBZipStorageImageWriter) Close() error

type ZipImage

type ZipImage struct {
	Header *zip.FileHeader
	Data   []byte
}

func CompressImage

func CompressImage(filename string, format string, img image.Image, quality int) (*ZipImage, error)

create gzip encoded jpeg