imghdr

Library for detecting the format of an image

Readme

About

nim-imghdr is a Nim module for determining the type of an image from a given file, filename, or sequence of bytes. It can detect many common image formats. nim-imghdr is a port of Python's imghdr module.

Usage:

testImage(file : File)
testImage(filename : string)
testImage(data : seq[int8])

nim-imghdr can also be used as a command line program:

imghdr [filename1] [filename2] ...

List of detected formats:

  • PNG (Portable Network Graphics) format - ImageType.PNG
  • JPEG (Joint Photographic Experts Group) format (either JFIF or Exif) - ImageType.JPEG
  • GIF (Graphics Interchange Format) format - ImageType.GIF
  • TIFF (Tagged Image File Format) format - ImageType.TIFF
  • SVG (Scalable Vector Graphics) format - ImageType.SVG
  • SGI (Silicon Graphics workstation) format - ImageType.RGB
  • PBM (portable bitmap) format - ImageType.PBM
  • PGM (portable graymap) format - ImageType.PGM
  • PPM (portable pixmap) format - ImageType.PPM
  • PAM format - ImageType.PAM
  • BMP (bitmap) format - ImageType.BMP
  • XMB (X10 or X11 bitmap) format - ImageType.XMB
  • Rast (Sun raster) format - ImageType.Rast
  • CRW (Canon camera RAW) format - ImageType.CRW
  • CR2 (Canon camera RAW 2) format - ImageType.CR2
  • MRW (Minolta camera RAW) format - ImageType.MRW
  • X3F (Sigma camera RAW) format - ImageType.X3F
  • WEBP format - ImageType.WEBP
  • XCF (GIMP native) format - ImageType.XCF
  • GKSM (Graphics Kernel System) format - ImageType.GKSM
  • PM (XV image) format - ImageType.PM
  • FITS (Flexible Image Transport System) format - ImageType.FITS
  • XPM (X PixMap 1 and 3) format - ImageType.XPM
  • XPM2 (X PixMap 2) format - ImageType.XPM2
  • PS (PostScript) format - ImageType.PS
  • Xfig format - ImageType.Xfig
  • IRIS format - ImageType.IRIS
  • SPIFF (Still Picture Interchange File Format) format - ImageType.SPIFF
  • GEM (GEM Raster) format - ImageType.GEM
  • Amiga icon format - ImageType.Amiga
  • TIB (Acronis True Image) format - ImageType.TIB
  • JB2 (JBOG2) format - ImageType.JB2
  • CIN (Kodak Cineon) format - ImageType.CIN
  • PSP (Corel Paint Shop Pro) format - ImageType.PSP
  • EXR (OpenEXR) format - ImageType.EXR
  • CALS (CALS raster bitmap) format - ImageType.CALS
  • DPX (Society of Motion Picture and Television Engineers Digital Picture Exchange image) format - ImageType.DPX
  • SYM (Windows SDK graphics symbol) format - ImageType.SYM
  • SDR (SmartDraw Drawing) format - ImageType.SDR
  • IMG (Img Software Set Bitmap) format - ImageType.IMG
  • ADEX (ADEX Corp. ChromaGraph Graphics Card Bitmap Graphic) format - ImageType.ADEX
  • NITF (National Imagery Transmission Format) format - ImageType.NITF
  • BigTIFF (Big Tagged Image File Format; TIFF > 4 GB) format - ImageType.BigTIFF
  • GX2 (Show Partner graphics) format - ImageType.GX2
  • PAT (GIMP pattern) format - ImageType.PAT
  • CPT (Corel Photopaint) format - ImageType.CPT
  • SYW (Harvard Graphics symbol graphic) format - ImageType.SYW
  • DWG (generic AutoCAD drawing) format - ImageType.DWG
  • PSD (Photoshop image) format - ImageType.PSD
  • FBM (fuzzy bitmap) format - ImageType.FBM
  • HDR (Radiance High Dynamic Range image) format - ImageType.HDR
  • MP (Monochrome Picture TIFF bitmap) format - ImageType.MP
  • DRW (generic drawing) format - ImageType.DRW
  • Micrografx (Micrografx vector graphics) format - ImageType.Micrografx
  • PIC (generic picture) format - ImageType.PIC
  • VDI (Ventura Publisher/GEM VDI Image Format Bitmap) format - ImageType.VDI
  • ICO (Windows icon) format - ImageType.ICO
  • JP2 (JPEG-2000) format - ImageType.JP2
  • YCC (Kodak YCC image) format - ImageType.YCC
  • FPX (FlashPix) format - ImageType.FPX
  • DCX (Graphics Multipage PCX bitmap) format - ImageType.DCX
  • ITC format - ImageType.ITC
  • NIFF (Navy Image File Format) format - ImageType.NIFF
  • WMP (Windows Media Photo) format - ImageType.WMP
  • BPG format - ImageType.BPG
  • FLIF format - ImageType.FLIF
  • PDF (Portable Document Format) format - ImageType.PDF
  • Unknown format - ImageType.Other

License

nim-imghdr is released under the MIT open source license.

Need help? Read Nimble
Author:
achesak
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License: MIT

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