Class: TTFunk::Table::Glyf::PathBased

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

Overview

TrueType-compatible representation of a CFF glyph.

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(path, horizontal_metrics) ⇒ PathBased

Returns a new instance of PathBased.

Parameters:

Source Code
lib/ttfunk/table/glyf/path_based.rb, line 42
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def initialize(path, horizontal_metrics)

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  @path = path

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  @horizontal_metrics = horizontal_metrics

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  @x_min = 0

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  @y_min = 0

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  @x_max = horizontal_metrics.advance_width

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  @y_max = 0

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  path.commands.each do |command|

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    cmd, x, y = command

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    next if cmd == :close

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    @x_min = x if x < @x_min

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    @x_max = x if x > @x_max

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    @y_min = y if y < @y_min

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    @y_max = y if y > @y_max

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  end

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  @left_side_bearing = horizontal_metrics.left_side_bearing

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  @right_side_bearing =

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    horizontal_metrics.advance_width -

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    @left_side_bearing -

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    (@x_max - @x_min)

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end







  



  

    
Instance Attribute Details

    
      
      
      

  

  
    #horizontal_metrics  ⇒ TTFunk::Table::Hmtx::HorizontalMetric  (readonly)
  

  

  


  

    
Glyph horizontal metrics.



  





  


Returns:







  Source Code
  
lib/ttfunk/table/glyf/path_based.rb, line 14

  
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def horizontal_metrics

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  @horizontal_metrics

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end







    
      
      
      

  

  
    #left_side_bearing  ⇒ Integer, Float  (readonly)
  

  

  


  

    
Left side bearing.



  





  


Returns:


    
  
    
  • 
      
      
        (Integer, Float)
      
      
      
    
    • 
  







  Source Code
  
lib/ttfunk/table/glyf/path_based.rb, line 34

  
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def left_side_bearing

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  @left_side_bearing

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end







    
      
      
      

  

  
    #path  ⇒ TTFunk::Table::Cff::Path  (readonly)
  

  

  


  

    
Glyph outline.



  





  


Returns:







  Source Code
  
lib/ttfunk/table/glyf/path_based.rb, line 10

  
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def path

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  @path

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end







    
      
      
      

  

  
    #right_side_bearing  ⇒ Integer, Float  (readonly)
  

  

  


  

    
Rigth side bearing.



  





  


Returns:


    
  
    
  • 
      
      
        (Integer, Float)
      
      
      
    
    • 
  







  Source Code
  
lib/ttfunk/table/glyf/path_based.rb, line 38

  
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def right_side_bearing

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  @right_side_bearing

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end







    
      
      
      

  

  
    #x_max  ⇒ Integer, Float  (readonly)
  

  

  


  

    
Maximum X.



  





  


Returns:


    
  
    
  • 
      
      
        (Integer, Float)
      
      
      
    
    • 
  







  Source Code
  
lib/ttfunk/table/glyf/path_based.rb, line 26

  
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def x_max

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  @x_max

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end







    
      
      
      

  

  
    #x_min  ⇒ Integer, Float  (readonly)
  

  

  


  

    
Minimum X.



  





  


Returns:


    
  
    
  • 
      
      
        (Integer, Float)
      
      
      
    
    • 
  







  Source Code
  
lib/ttfunk/table/glyf/path_based.rb, line 18

  
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def x_min

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  @x_min

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end







    
      
      
      

  

  
    #y_max  ⇒ Integer, Float  (readonly)
  

  

  


  

    
Maximum Y.



  





  


Returns:


    
  
    
  • 
      
      
        (Integer, Float)
      
      
      
    
    • 
  







  Source Code
  
lib/ttfunk/table/glyf/path_based.rb, line 30

  
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def y_max

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  @y_max

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end







    
      
      
      

  

  
    #y_min  ⇒ Integer, Float  (readonly)
  

  

  


  

    
Minimum Y.



  





  


Returns:


    
  
    
  • 
      
      
        (Integer, Float)
      
      
      
    
    • 
  







  Source Code
  
lib/ttfunk/table/glyf/path_based.rb, line 22

  
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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/path_based.rb, line 78

  
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def compound?

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  false

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end







    
      

  

  
    #number_of_contours  ⇒ Integer 
  

  

  


  

    
Number of contour.



  





  


Returns:


    
  
    
  • 
      
      
        (Integer)
      
      
      
    
    • 
  







  Source Code
  
lib/ttfunk/table/glyf/path_based.rb, line 71

  
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def number_of_contours

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  path.number_of_contours

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end