Class: Halation::Roll::Frame

Inherits:
Object
  • Object
show all
Defined in:
lib/halation/roll/frame.rb

Overview

A frame on the roll of film.

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(yaml) ⇒ Frame

Returns a new instance of Frame.



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# File 'lib/halation/roll/frame.rb', line 34

def initialize(yaml)
  @number = Coerce.integer(yaml["number"])
  @date = Coerce.date(yaml["date"])
  @lens = Coerce.string(yaml["lens"])
  @focal_length = Coerce.integer(yaml["focal_length"])
  @shutter = Coerce.string(yaml["shutter"])
  @aperture = Coerce.string(yaml["aperture"])
  @flash = Coerce.boolean(yaml["flash"])
  @orientation = Coerce.integer(yaml["orientation"])
end

Instance Attribute Details

#aperture ⇒ Object (readonly)

F-number of the aperture setting.



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# File 'lib/halation/roll/frame.rb', line 21

def aperture
  @aperture
end

#date ⇒ Object (readonly)

Date the frame was captured in ISO 8601 format.



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# File 'lib/halation/roll/frame.rb', line 10

def date
  @date
end

#flash ⇒ Object (readonly)

True if flash was fired.



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# File 'lib/halation/roll/frame.rb', line 23

def flash
  @flash
end

#focal_length ⇒ Object (readonly)

Focal length of the lens, if not specified by the lens profile (a zoom lens).



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# File 'lib/halation/roll/frame.rb', line 15

def focal_length
  @focal_length
end

#lens ⇒ Object (readonly)

Tag of the lens used.



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# File 'lib/halation/roll/frame.rb', line 12

def lens
  @lens
end

#number ⇒ Object (readonly)

Frame number.



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# File 'lib/halation/roll/frame.rb', line 8

def number
  @number
end

#orientation ⇒ Object (readonly)

1 = Horizontal (normal) 2 = Mirror horizontal 3 = Rotate 180 4 = Mirror vertical 5 = Mirror horizontal and rotate 270 CW 6 = Rotate 90 CW 7 = Mirror horizontal and rotate 90 CW 8 = Rotate 270 CW



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# File 'lib/halation/roll/frame.rb', line 32

def orientation
  @orientation
end

#shutter ⇒ Object (readonly)

TODO:

spec

Shutter speed.

Examples:

“1/125”, “0.5” (half second), “15” (seconds), “120” (2 minutes)



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# File 'lib/halation/roll/frame.rb', line 19

def shutter
  @shutter
end