Class: CVFFI::Sequence

Inherits:
Object
  • Object
show all
Includes:
Enumerable
Defined in:
lib/opencv-ffi-wrappers/sequence.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Enumerable

#inject_with_index

Constructor Details

#initialize(seq) ⇒ Sequence

Returns a new instance of Sequence.



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# File 'lib/opencv-ffi-wrappers/sequence.rb', line 11

def initialize( seq )
  raise "Don't know how to handle class #{seq.class}" unless seq.is_a?(CvSeq)
  @seq = seq
end

Instance Attribute Details

#seq ⇒ Object

Returns the value of attribute seq.



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# File 'lib/opencv-ffi-wrappers/sequence.rb', line 9

def seq
  @seq
end

Instance Method Details

#[](i) ⇒ Object 



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# File 'lib/opencv-ffi-wrappers/sequence.rb', line 31

def [](i)
  CVFFI::cvGetSeqElem( @seq, i )
end

#each ⇒ Object 



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# File 'lib/opencv-ffi-wrappers/sequence.rb', line 16

def each
  size.times { |i|
    yield CVFFI::cvGetSeqElem( @seq, i )
  }
end

#push(a) ⇒ Object 



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# File 'lib/opencv-ffi-wrappers/sequence.rb', line 22

def push( a )
  CVFFI::cvSeqPush( @seq, a )
end

#size ⇒ Object Also known as: length 



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# File 'lib/opencv-ffi-wrappers/sequence.rb', line 26

def size
  @seq.total
end