Module: Ramaze::Helper::Photographs

Defined in:
lib/cortex_reaver/helper/photographs.rb

Overview

Helps display photographs

Instance Method Summary collapse

Instance Method Details

#description_of(photo) ⇒ Object 



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# File 'lib/cortex_reaver/helper/photographs.rb', line 5

def description_of(photo)
  begin
    if exif = photo.exif
      description = ''
      description << photo.date.strftime('%m/%d/%Y') + ' '
#            description << exif.make if exif.make
      description << ' ' + exif.model + ', ' if exif.model
      description << ' ' + exif.focal_length_in_35mm_film.to_i.to_s + 'mm' if exif.focal_length_in_35mm_film
      description << ' at ' + neat_time(exif.exposure_time) if exif.exposure_time
      description << ' F' + exif.f_number.to_f.to_s if exif.f_number
    else
      nil
    end
  rescue
    # File might not be available, or EXIF might be missing... 
    return description
  end
end

#neat_time(rational) ⇒ Object

1/60 => ‘1/60th’



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# File 'lib/cortex_reaver/helper/photographs.rb', line 25

def neat_time(rational)
  if rational.denominator == 1
    rational.numerator.to_s + ' seconds'
  else
    "#{rational.numerator}/#{rational.denominator.ordinal.to_s} of a second"
  end
end