Class: Axon::JPEGWriter

Inherits:
Object
  • Object
show all
Includes:
JPEGNativeWriter
Defined in:
lib/axon/jpeg_writer.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from JPEGNativeWriter

#jpeg_native_write

Constructor Details

#initialize(image) ⇒ JPEGWriter

Returns a new instance of JPEGWriter.



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# File 'lib/axon/jpeg_writer.rb', line 10

def initialize(image)
  @image = image
  @quality = nil
  @icc_profile = nil
  @exif = nil
end

Instance Attribute Details

#bufsize ⇒ Object (readonly)

Returns the value of attribute bufsize.



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# File 'lib/axon/jpeg_writer.rb', line 8

def bufsize
  @bufsize
end

#exif ⇒ Object

Returns the value of attribute exif.



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# File 'lib/axon/jpeg_writer.rb', line 7

def exif
  @exif
end

#icc_profile ⇒ Object

Returns the value of attribute icc_profile.



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# File 'lib/axon/jpeg_writer.rb', line 7

def icc_profile
  @icc_profile
end

#image ⇒ Object (readonly)

Returns the value of attribute image.



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# File 'lib/axon/jpeg_writer.rb', line 8

def image
  @image
end

#io ⇒ Object (readonly)

Returns the value of attribute io.



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# File 'lib/axon/jpeg_writer.rb', line 8

def io
  @io
end

#quality ⇒ Object

Returns the value of attribute quality.



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# File 'lib/axon/jpeg_writer.rb', line 7

def quality
  @quality
end

Instance Method Details

#data ⇒ Object 



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# File 'lib/axon/jpeg_writer.rb', line 23

def data
  s = StringIO.new
  s.set_encoding 'BINARY' if s.respond_to?(:set_encoding)

  write(s)
  s.string
end

#write(io, bufsize = nil) ⇒ Object 



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# File 'lib/axon/jpeg_writer.rb', line 17

def write(io, bufsize = nil)
  @bufsize = bufsize || 512
  @io = io
  jpeg_native_write
end