Class: TTFunk::Table::Glyf::Simple

Inherits:
Object
  • Object
show all
Defined in:
lib/ttfunk/table/glyf/simple.rb

Overview

Simple TrueType glyph

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(id, raw) ⇒ Simple

Returns a new instance of Simple.

Parameters:

  • id (Integer) —

    glyph ID.

  • raw (String)
Source Code
lib/ttfunk/table/glyf/simple.rb, line 52
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def initialize(id, raw)

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  @id = id

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  @raw = raw

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  io = StringIO.new(raw)

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  @number_of_contours, @x_min, @y_min, @x_max, @y_max =

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    io.read(10).unpack('n*').map { |i|

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      BinUtils.twos_comp_to_int(i, bit_width: 16)

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    }

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  @end_points_of_contours = io.read(number_of_contours * 2).unpack('n*')

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  @instruction_length = io.read(2).unpack1('n')

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  @instructions = io.read(instruction_length).unpack('C*')

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end







  



  

    
Instance Attribute Details

    
      
      
      

  

  
    #end_points_of_contours  ⇒ Array<Integer>  (readonly)
  

  

  


  

    
Point indices for the last point of each contour.



  





  


Returns:


    
  
    
  • 
      
      
        (Array<Integer>)
      
      
      
    
    • 
  







  Source Code
  
lib/ttfunk/table/glyf/simple.rb, line 40

  
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def end_points_of_contours

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  @end_points_of_contours

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end







    
      
      
      

  

  
    #id  ⇒ Integer  (readonly)
  

  

  


  

    
Glyph ID.



  





  


Returns:


    
  
    
  • 
      
      
        (Integer)
      
      
      
    
    • 
  







  Source Code
  
lib/ttfunk/table/glyf/simple.rb, line 12

  
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def id

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  @id

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end







    
      
      
      

  

  
    #instruction_length  ⇒ Integer  (readonly)
  

  

  


  

    
Total number of bytes for instructions.



  





  


Returns:


    
  
    
  • 
      
      
        (Integer)
      
      
      
    
    • 
  







  Source Code
  
lib/ttfunk/table/glyf/simple.rb, line 44

  
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def instruction_length

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  @instruction_length

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end







    
      
      
      

  

  
    #instructions  ⇒ Array<Integer>  (readonly)
  

  

  


  

    
Instruction byte code.



  





  


Returns:


    
  
    
  • 
      
      
        (Array<Integer>)
      
      
      
    
    • 
  







  Source Code
  
lib/ttfunk/table/glyf/simple.rb, line 48

  
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def instructions

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  @instructions

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end







    
      
      
      

  

  
    #number_of_contours  ⇒ Integer  (readonly)
  

  

  


  

    
Number of contours in this glyph.



  





  


Returns:


    
  
    
  • 
      
      
        (Integer)
      
      
      
    
    • 
  







  Source Code
  
lib/ttfunk/table/glyf/simple.rb, line 20

  
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def number_of_contours

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  @number_of_contours

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end







    
      
      
      

  

  
    #raw  ⇒ String  (readonly)
  

  

  


  

    
Binary serialization of this glyph.



  





  


Returns:


    
  
    
  • 
      
      
        (String)
      
      
      
    
    • 
  







  Source Code
  
lib/ttfunk/table/glyf/simple.rb, line 16

  
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def raw

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  @raw

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end







    
      
      
      

  

  
    #x_max  ⇒ Integer  (readonly)
  

  

  


  

    
Maximum x for coordinate.



  





  


Returns:


    
  
    
  • 
      
      
        (Integer)
      
      
      
    
    • 
  







  Source Code
  
lib/ttfunk/table/glyf/simple.rb, line 32

  
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def x_max

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  @x_max

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end







    
      
      
      

  

  
    #x_min  ⇒ Integer  (readonly)
  

  

  


  

    
Minimum x for coordinate.



  





  


Returns:


    
  
    
  • 
      
      
        (Integer)
      
      
      
    
    • 
  







  Source Code
  
lib/ttfunk/table/glyf/simple.rb, line 24

  
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def x_min

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  @x_min

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end







    
      
      
      

  

  
    #y_max  ⇒ Integer  (readonly)
  

  

  


  

    
Maximum y for coordinate.



  





  


Returns:


    
  
    
  • 
      
      
        (Integer)
      
      
      
    
    • 
  







  Source Code
  
lib/ttfunk/table/glyf/simple.rb, line 36

  
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def y_max

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  @y_max

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end







    
      
      
      

  

  
    #y_min  ⇒ Integer  (readonly)
  

  

  


  

    
Minimum y for coordinate.



  





  


Returns:


    
  
    
  • 
      
      
        (Integer)
      
      
      
    
    • 
  







  Source Code
  
lib/ttfunk/table/glyf/simple.rb, line 28

  
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def y_min

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  @y_min

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end







    
  



  

    
Instance Method Details


    
      

  

  
    #compound?  ⇒ false 
  

  

  


  

    
Is this glyph compound?



  





  


Returns:


    
  
    
  • 
      
      
        (false)
      
      
      
    
    • 
  







  Source Code
  
lib/ttfunk/table/glyf/simple.rb, line 69

  
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def compound?

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  false

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end







    
      

  

  
    #end_point_of_last_contour  ⇒ Integer 
  

  

  


  

    
End point index of last contour.



  





  


Returns:


    
  
    
  • 
      
      
        (Integer)
      
      
      
    
    • 
  







  Source Code
  
lib/ttfunk/table/glyf/simple.rb, line 83

  
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def end_point_of_last_contour

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  end_points_of_contours.last + 1

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end







    
      

  

  
    #recode(_mapping)  ⇒ String 
  

  

  


  

    
Recode glyph.



  





  

Parameters:


    
  
    
  • 
      
        _mapping
      
      
        
      
      
      
        —
        
    Unused, here for API compatibility.
    

    
      
    
    • 
  




Returns:


    
  
    
  • 
      
      
        (String)
      
      
      
    
    • 
  







  Source Code
  
lib/ttfunk/table/glyf/simple.rb, line 77

  
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def recode(_mapping)

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  raw

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end