README.rdoc

Path: README.rdoc
Last Update: Wed Feb 23 15:15:00 +0100 2011

EXIF Reader

EXIF Reader is a module to read metadata from JPEG and TIFF images.

Examples

  EXIFR::JPEG.new('IMG_6841.JPG').width               # => 2272
  EXIFR::JPEG.new('IMG_6841.JPG').height              # => 1704
  EXIFR::JPEG.new('IMG_6841.JPG').exif?               # => true
  EXIFR::JPEG.new('IMG_6841.JPG').model               # => "Canon PowerShot G3"
  EXIFR::JPEG.new('IMG_6841.JPG').date_time           # => Fri Feb 09 16:48:54 +0100 2007
  EXIFR::JPEG.new('IMG_6841.JPG').exposure_time.to_s  # => "1/15"
  EXIFR::JPEG.new('IMG_6841.JPG').f_number.to_f       # => 2.0

  EXIFR::TIFF.new('DSC_0218.TIF').width               # => 3008
  EXIFR::TIFF.new('DSC_0218.TIF')[1].width            # => 160
  EXIFR::TIFF.new('DSC_0218.TIF').model               # => "NIKON D1X"
  EXIFR::TIFF.new('DSC_0218.TIF').date_time           # => Tue May 23 19:15:32 +0200 2006
  EXIFR::TIFF.new('DSC_0218.TIF').exposure_time.to_s  # => "1/100"
  EXIFR::TIFF.new('DSC_0218.TIF').f_number.to_f       # => 5.0

Author

R.W. van ‘t Veer

Copyright

Copyright (c) 2006, 2007, 2008, 2009, 2010, 2011 - R.W. van ‘t Veer

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