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