imageopt

Jul 24, 2026

Changes in this version

+ const DefaultLongSidePx

+ const HighTierLongSidePx

+ const MIMEGIF

+ const MIMEJPEG

+ const MIMEPNG

+ const MIMEWEBP

+ func Crop(data []byte, mime string, r Region, quality int) ([]byte, string, error)

+ func DetectMIME(data []byte) string

+ func ImageDimensions(data []byte) (w, h int, err error)

+ func ToDataURI(data []byte, mime string) string

+ type Meta struct

+ Base64Bytes int

+ Bytes int

+ Height int

+ MIMEType string

+ Resized bool

+ Width int

+ func Normalize(data []byte, mime string, opts Options) (out []byte, outMIME string, meta Meta, err error)

+ type Options struct

+ AutoResize bool

+ MaxBase64Bytes int

+ MaxHeight int

+ MaxLongSidePx int

+ MaxWidth int

+ Quality int

+ type Region struct

+ H int

+ W int

+ X int

+ Y int

+ type Tile struct

+ Col int

+ Data []byte

+ Index int

+ MIMEType string

+ Region Region

+ Row int

+ func TileImage(data []byte, mime string, tileSize, overlapPct, quality int) ([]Tile, error)