Class: TTFunk::Table::Vorg

Inherits:
TTFunk::Table show all
Defined in:
lib/ttfunk/table/vorg.rb

Overview

Vertical Origin (VORG) table.

Constant Summary collapse

TAG =

Table tag.

'VORG'

Instance Attribute Summary collapse

Attributes inherited from TTFunk::Table

#file, #length, #offset

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from TTFunk::Table

#exists?, #initialize, #raw

Constructor Details

This class inherits a constructor from TTFunk::Table

Instance Attribute Details

#count ⇒ Integer (readonly)

Number of vertical origin metrics.

Returns:

  • (Integer)
Source Code
lib/ttfunk/table/vorg.rb, line 26
26
def count

27
  @count

28
end

#default_vert_origin_y ⇒ Integer (readonly)

The default y coordinate of a glyph’s vertical origin.

Returns:

  • (Integer)
Source Code
lib/ttfunk/table/vorg.rb, line 22
22
def default_vert_origin_y

23
  @default_vert_origin_y

24
end

#major_version ⇒ Integer (readonly)

Table major version.

Returns:

  • (Integer)
Source Code
lib/ttfunk/table/vorg.rb, line 14
14
def major_version

15
  @major_version

16
end

#minor_version ⇒ Integer (readonly)

Table minor version.

Returns:

  • (Integer)
Source Code
lib/ttfunk/table/vorg.rb, line 18
18
def minor_version

19
  @minor_version

20
end

Class Method Details

.encode(vorg) ⇒ String

Encode table.

Returns:

  • (String)
Source Code
lib/ttfunk/table/vorg.rb, line 31
31
def self.encode(vorg)

32
  return unless vorg

33
34
  ''.b.tap do |table|

35
    table << [

36
      vorg.major_version, vorg.minor_version,

37
      vorg.default_vert_origin_y, vorg.count,

38
    ].pack('n*')

39
40
    vorg.origins.each_pair do |glyph_id, vert_origin_y|

41
      table << [glyph_id, vert_origin_y].pack('n*')

42
    end

43
  end

44
end







    
  


  

    
Instance Method Details


    
      

  

  
    #for(glyph_id)  ⇒ Integer 
  

  

  


  

    
Get vertical origina for glyph by ID.



  





  

Parameters:


    
  
    
  • 
      
        glyph_id
      
      
        (Integer)
      
      
      
    
    • 
  




Returns:


    
  
    
  • 
      
      
        (Integer)
      
      
      
    
    • 
  







  Source Code
  
lib/ttfunk/table/vorg.rb, line 50

  
50
def for(glyph_id)

51
  @origins.fetch(glyph_id, default_vert_origin_y)

52
end







    
      

  

  
    #origins  ⇒ Hash{Integer => Integer} 
  

  

  


  

    
Origins map.



  





  


Returns:


    
  
    
  • 
      
      
        (Hash{Integer => Integer})
      
      
      
    
    • 
  







  Source Code
  
lib/ttfunk/table/vorg.rb, line 64

  
64
def origins

65
  @origins ||= {}

66
end







    
      

  

  
    #tag  ⇒ String 
  

  

  


  

    
Table tag.



  





  


Returns:


    
  
    
  • 
      
      
        (String)
      
      
      
    
    • 
  







  Source Code
  
lib/ttfunk/table/vorg.rb, line 57

  
57
def tag

58
  TAG

59
end