Module: Prawn::Measurements

Included in:
Numeric
Defined in:
lib/prawn/measurements.rb

Stable API collapse

Instance Method Details

#cm2mm(cm) ⇒ Object

metric conversions


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# File 'lib/prawn/measurements.rb', line 11

def cm2mm(cm)
  return cm * 10
end

#cm2pt(cm) ⇒ Object


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# File 'lib/prawn/measurements.rb', line 54

def cm2pt(cm)
  return mm2pt(cm2mm(cm))
end

#dm2mm(dm) ⇒ Object


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# File 'lib/prawn/measurements.rb', line 15

def dm2mm(dm)
  return dm * 100
end

#dm2pt(dm) ⇒ Object


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# File 'lib/prawn/measurements.rb', line 58

def dm2pt(dm)
  return mm2pt(dm2mm(dm))
end

#ft2in(ft) ⇒ Object

imperial conversions from en.wikipedia.org/wiki/Imperial_units


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# File 'lib/prawn/measurements.rb', line 25

def ft2in(ft)
  return ft * 12
end

#ft2pt(ft) ⇒ Object


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# File 'lib/prawn/measurements.rb', line 42

def ft2pt(ft)
  return in2pt(ft2in(ft))
end

#in2pt(inch) ⇒ Object


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# File 'lib/prawn/measurements.rb', line 38

def in2pt(inch)
  return inch * 72
end

#m2mm(m) ⇒ Object


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# File 'lib/prawn/measurements.rb', line 19

def m2mm(m)
  return m * 1000
end

#m2pt(m) ⇒ Object


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# File 'lib/prawn/measurements.rb', line 62

def m2pt(m)
  return mm2pt(m2mm(m))
end

#mm2pt(mm) ⇒ Object


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# File 'lib/prawn/measurements.rb', line 50

def mm2pt(mm)
  return mm * (72 / 25.4)
end

#pt2mm(pt) ⇒ Object


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# File 'lib/prawn/measurements.rb', line 66

def pt2mm(pt)
  return pt * 1 / mm2pt(1) # (25.4 / 72)
end

#pt2pt(pt) ⇒ Object

PostscriptPoint-converisons


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# File 'lib/prawn/measurements.rb', line 34

def pt2pt(pt)
  return pt
end

#yd2in(yd) ⇒ Object


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# File 'lib/prawn/measurements.rb', line 29

def yd2in(yd)
  return yd * 36
end

#yd2pt(yd) ⇒ Object


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# File 'lib/prawn/measurements.rb', line 46

def yd2pt(yd)
  return in2pt(yd2in(yd))
end