Inspired by Python's imghdr
go get github.com/corona10/goimghdr
| 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 |
