epubimageprocessor

Documentation

Overview

Extract and transform image into a compressed jpeg.

Index

• type CoverTitleDataOptions
• type EPUBImageProcessor
  • func New(o *epuboptions.Options) *EPUBImageProcessor
  • func (e *EPUBImageProcessor) Cover16LevelOfGray(bounds image.Rectangle) draw.Image
  • func (e *EPUBImageProcessor) CoverTitleData(o *CoverTitleDataOptions) (*epubzip.ZipImage, error)
  • func (e *EPUBImageProcessor) Load() (images []*epubimage.Image, err error)

Types

type CoverTitleDataOptions

type CoverTitleDataOptions struct {
	Src         image.Image
	Name        string
	Text        string
	Align       string
	PctWidth    int
	PctMargin   int
	MaxFontSize int
	BorderSize  int
}

type EPUBImageProcessor

type EPUBImageProcessor struct {
	*epuboptions.Options
}

func New

func New(o *epuboptions.Options) *EPUBImageProcessor

func (*EPUBImageProcessor) Cover16LevelOfGray

func (e *EPUBImageProcessor) Cover16LevelOfGray(bounds image.Rectangle) draw.Image

func (*EPUBImageProcessor) CoverTitleData

func (e *EPUBImageProcessor) CoverTitleData(o *CoverTitleDataOptions) (*epubzip.ZipImage, error)

create a title page with the cover

func (*EPUBImageProcessor) Load

func (e *EPUBImageProcessor) Load() (images []*epubimage.Image, err error)

extract and convert images