common

Documentation

Overview

Package common captures the unsafe orchestration that needs to occur when interacting with libwebp. The function implementations can be swapped out based on the desired implementation.

Index

• func Decode(buf []byte, dec DecoderFunc, free FreeFunc) (image.Image, error)
• func Encode(w io.Writer, m *image.NRGBA, q float32, enc EncodeFunc, free FreeFunc) error
• type DecoderFunc
• type EncodeFunc
• type FreeFunc

Functions

func Decode

func Decode(buf []byte, dec DecoderFunc, free FreeFunc) (image.Image, error)

Decode the webp data into an image.Image.

func Encode

func Encode(w io.Writer, m *image.NRGBA, q float32, enc EncodeFunc, free FreeFunc) error

Encode an RGBA webp image into the provided writer.

Types

type DecoderFunc

type DecoderFunc func(data uintptr, data_size uint64, width uintptr, height uintptr) (rgba uintptr)

type EncodeFunc

type EncodeFunc func(in uintptr, w int32, h int32, bps int32, q float32, out uintptr) (size uint64)

type FreeFunc

type FreeFunc func(uintptr)