Class: EXIFR::TIFF::Orientation

Inherits:

Object

• Object
• EXIFR::TIFF::Orientation

show all

Defined in:

lib/exifr/tiff.rb

Overview

Instance Method Summary (collapse)

• - (Object) ==(other)

  :nodoc:.

• - (Orientation) initialize(value, type) constructor

  :nodoc:.

• - (Object) inspect

  Debugging output.

• - (Object) to_i

  Field value.

• - (Object) transform_rmagick(img)

  Rotate and/or flip for proper viewing.

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# File 'lib/exifr/tiff.rb', line 253

def initialize(value, type) # :nodoc:
  @value, @type = value, type
end

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# File 'lib/exifr/tiff.rb', line 282

def ==(other) # :nodoc:
  Orientation === other && to_i == other.to_i
end

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# File 'lib/exifr/tiff.rb', line 263

def inspect
  "\#<EXIFR::TIFF::Orientation:#{@type}(#{@value})>"
end

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# File 'lib/exifr/tiff.rb', line 258

def to_i
  @value
end

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# File 'lib/exifr/tiff.rb', line 268

def transform_rmagick(img)
  case @type
  when :TopRight    ; img.flop
  when :BottomRight ; img.rotate(180)
  when :BottomLeft  ; img.flip
  when :LeftTop     ; img.rotate(90).flop
  when :RightTop    ; img.rotate(90)
  when :RightBottom ; img.rotate(270).flop
  when :LeftBottom  ; img.rotate(270)
  else
    img
  end
end