epubzip

Documentation

Overview

Package epubzip 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 StorageImageReader
  • func NewStorageImageReader(filename string) (*StorageImageReader, error)
  • func (e *StorageImageReader) Close() error
  • func (e *StorageImageReader) Get(filename string) *zip.File
  • func (e *StorageImageReader) Remove() error
  • func (e *StorageImageReader) Size(filename string) uint64
• type StorageImageWriter
  • func NewStorageImageWriter(filename string, format string) (*StorageImageWriter, error)
  • func (e *StorageImageWriter) Add(filename string, img image.Image, quality int) error
  • func (e *StorageImageWriter) 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)

New 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

WriteContent Write file. Compressed it using deflate.

func (*EPUBZip) WriteMagic

func (e *EPUBZip) WriteMagic() error

WriteMagic Write mimetype, in a very specific way.

This will be valid with epubcheck tools.

func (*EPUBZip) WriteRaw

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

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

type StorageImageReader

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

func NewStorageImageReader

func NewStorageImageReader(filename string) (*StorageImageReader, error)

func (*StorageImageReader) Close

func (e *StorageImageReader) Close() error

func (*StorageImageReader) Get

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

func (*StorageImageReader) Remove

func (e *StorageImageReader) Remove() error

func (*StorageImageReader) Size

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

type StorageImageWriter

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

func NewStorageImageWriter

func NewStorageImageWriter(filename string, format string) (*StorageImageWriter, error)

func (*StorageImageWriter) Add

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

func (*StorageImageWriter) Close

func (e *StorageImageWriter) 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)

CompressImage create gzip encoded jpeg