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# bimg [![Build Status](https://travis-ci.org/h2non/bimg.png)](https://travis-ci.org/h2non/bimg) [![GitHub release](https://img.shields.io/github/tag/h2non/bimg.svg)](https://github.com/h2non/bimg/releases) [![GoDoc](https://godoc.org/github.com/h2non/bimg?status.svg)](https://godoc.org/github.com/h2non/bimg) [![Coverage Status](https://coveralls.io/repos/h2non/bimg/badge.svg?branch=master)](https://coveralls.io/r/h2non/bimg?branch=master) # bimg [![Build Status](https://travis-ci.org/h2non/bimg.png)](https://travis-ci.org/h2non/bimg) [![GitHub release](http://img.shields.io/github/tag/h2non/bimg.svg?style=flat-square)](https://github.com/h2non/bimg/releases) [![GoDoc](https://godoc.org/github.com/h2non/bimg?status.svg)](https://godoc.org/github.com/h2non/bimg) [![Coverage Status](https://coveralls.io/repos/h2non/bimg/badge.svg?branch=master)](https://coveralls.io/r/h2non/bimg?branch=master)
Small [Go](http://golang.org) library for fast and efficient image processing based on [libvips](https://github.com/jcupitt/libvips) using C bindings. It provides a simple, elegant and fluent [programmatic API](#examples). Small [Go](http://golang.org) library for fast high-level image processing and transformation using [libvips](https://github.com/jcupitt/libvips) via C bindings. It provides a simple, elegant and fluent [programmatic API](#examples).
bimg was designed to be a small and efficient library with a generic and useful features. bimg was designed to be a small and efficient library with a generic and useful features.
It uses internally libvips, a powerful library written in C for binary image processing which requires a [low memory footprint](http://www.vips.ecs.soton.ac.uk/index.php?title=Speed_and_Memory_Use) It uses internally libvips, a powerful library written in C for binary image processing which requires a [low memory footprint](http://www.vips.ecs.soton.ac.uk/index.php?title=Speed_and_Memory_Use)
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For getting started, take a look to the [examples](#examples) and [API](https://godoc.org/github.com/h2non/bimg) documentation. For getting started, take a look to the [examples](#examples) and [API](https://godoc.org/github.com/h2non/bimg) documentation.
If you're looking for a HTTP-based image processing solution, see [imaginary](https://github.com/h2non/imaginary). If you're looking for a HTTP-based image processing solution, see [imaginary](https://github.com/h2non/imaginary).
bimg was heavily inspired in [sharp](https://github.com/lovell/sharp), its homologous package built for node.js by [Lovell Fuller](https://github.com/lovell). bimg was heavily inspired in [sharp](https://github.com/lovell/sharp), its homologous package built for node.js by [Lovell Fuller](https://github.com/lovell).
**Note**: bimg is still beta. Do not use in compromised environments yet
## Prerequisites ## Prerequisites
- [libvips](https://github.com/jcupitt/libvips) v7.40.0+ (7.42.0+ recommended) - [libvips](https://github.com/jcupitt/libvips) v7.40.0+ (7.42.0+ recommended)
@ -185,19 +182,17 @@ if err != nil {
fmt.Fprintln(os.Stderr, err) fmt.Fprintln(os.Stderr, err)
} }
options := bimg.Watermark{ watermark := bimg.Watermark{
Watermark{ Text: "Chuck Norris (c) 2315",
Text: "Chuck Norris (c) 2315", Opacity: 0.25,
Opacity: 0.25, Width: 200,
Width: 200, DPI: 100,
DPI: 100, Margin: 150,
Margin: 150, Font: "sans bold 12",
Font: "sans bold 12", Background: bimg.Color{255, 255, 255},
Background: bimg.Color{255, 255, 255},
}
} }
newImage, err := bimg.NewImage(buffer).Watermark(options) newImage, err := bimg.NewImage(buffer).Watermark(watermark)
if err != nil { if err != nil {
fmt.Fprintln(os.Stderr, err) fmt.Fprintln(os.Stderr, err)
} }