goimghdr

README

goimghdr

Inspired by Python's imghdr

Installation

go get github.com/corona10/goimghdr

List of return value

Value	Image format
"rgb"	SGI ImgLib Files
"gif"	GIF 87a and 89a Files
"pbm"	Portable Bitmap Files
"pgm"	Portable Graymap Files
"ppm"	Portable Pixmap Files
"tiff"	TIFF Files
"rast"	Sun Raster Files
"xbm"	X Bitmap Files
"jpeg"	JPEG data in JFIF or Exif formats
"bmp"	BMP files
"png"	Portable Network Graphics
"webp"	WebP files
"exr"	OpenEXR Files

Usage

example

Special thanks to

• Haeun Kim

Reference

• CPython imghdr module
• DSCN0029.jpg is from ianare/exif-samples

Documentation

Index

• func What(file string) (string, error)
• func WhatFromReader(r io.Reader) (string, error)

Functions

func What

func What(file string) (string, error)

What returns a string value of image header.

func WhatFromReader

func WhatFromReader(r io.Reader) (string, error)

WhatFromReader returns a string value of image header from Reader.