xwd

README

xwd image library for golang

example:

func main() {
	f, err := os.Create("screenshot.png")
	if err != nil {
		log.Fatal(err)
	}
	defer f.Close()

	ctx := context.Background()
	m, err := xwd.Capture(ctx)
	if err != nil {
		log.Fatal(err)
	}
	if err := png.Encode(f, m); err != nil {
		log.Fatal(err)
	}
}

// $ xwd -root -display :0 -out screenshot.xwd
func xwd2png(w io.Writer, r io.Reader) error {
	m, err := xwd.Decode(r)
	if err != nil {
		return err
	}
	if err := png.Encode(w, m); err != nil {
		return err
	}
	return nil
}

Documentation

Overview

Package xwd implements the xwd (X Window dump) image library.

https://en.wikipedia.org/wiki/Xwd

Index

• func Capture(ctx context.Context) (image.Image, error)
• func Decode(r io.Reader) (img image.Image, err error)
• func DumpXWindowImage(ctx context.Context, w io.Writer) error

Functions

func Capture

func Capture(ctx context.Context) (image.Image, error)

func Decode

func Decode(r io.Reader) (img image.Image, err error)

func DumpXWindowImage

func DumpXWindowImage(ctx context.Context, w io.Writer) error