https://github.com/joway/libimagequant-go

golang wrapper for libimagequant.
https://github.com/joway/libimagequant-go

compression golang libimagequant png

Last synced: about 1 year ago
JSON representation

golang wrapper for libimagequant.

• Host: GitHub
• URL: https://github.com/joway/libimagequant-go
• Owner: joway
• License: mit
• Created: 2019-01-09T16:09:12.000Z (over 7 years ago)
• Default Branch: master
• Last Pushed: 2019-04-09T11:00:01.000Z (about 7 years ago)
• Last Synced: 2025-03-25T07:51:09.357Z (about 1 year ago)
• Topics: compression, golang, libimagequant, png
• Language: C
• Homepage:
• Size: 745 KB
• Stars: 6
• Watchers: 1
• Forks: 1
• Open Issues: 1
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

          
# libimagequant-go

![GitHub release](https://img.shields.io/github/tag/joway/libimagequant-go.svg?label=release)

[![Go Report Card](https://goreportcard.com/badge/github.com/joway/libimagequant-go)](https://goreportcard.com/report/github.com/joway/libimagequant-go)

[![codecov](https://codecov.io/gh/joway/libimagequant-go/branch/master/graph/badge.svg)](https://codecov.io/gh/joway/libimagequant-go)

[![CircleCI](https://circleci.com/gh/joway/libimagequant-go.svg?style=shield)](https://circleci.com/gh/joway/libimagequant-go)

A golang wrapper for [libimagequant](https://github.com/ImageOptim/libimagequant).

## Used by

- [imagic](https://github.com/joway/imagic): An easy and fast tool to process images.

## Install

```shell

go get github.com/joway/libimagequant-go

```

## Usage

### High Level API

```

// compress png iamge

func Compress(img image.Image, quality int, speed int) (image.Image, error)

```

### Low Level API

[GoDoc](https://godoc.org/github.com/joway/libimagequant-go/pngquant)

## Example

```golang

package main

import (

	"fmt"

	"github.com/joway/libimagequant-go/pngquant"

	"image/png"

	"os"

)

func main() {

	source, _ := os.OpenFile("testdata/1.png", os.O_RDONLY, 0444)

	img, _ := png.Decode(source)

	quality := 70

	speed := 5 // 1~10

	output, err := pngquant.Compress(img, quality, speed)

}

```