TIFF decoder

Date properties

The properties :date_time, :date_time_original, :date_time_digitized coerced into Time objects.

Orientation

The property :orientation describes the subject rotated and/or mirrored in relation to the camera. It is translated to one of the following instances:

TopLeftOrientation
TopRightOrientation
BottomRightOrientation
BottomLeftOrientation
LeftTopOrientation
RightTopOrientation
RightBottomOrientation
LeftBottomOrientation

These instances of Orientation have two methods:

to_i; return the original integer
transform_rmagick(image); transforms the given RMagick::Image to a viewable version

Examples

  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   # => Rational(1, 100)
  EXIFR::TIFF.new('DSC_0218.TIF').orientation     # => EXIFR::TIFF::Orientation