Class: Fontisan::Ufo::Compile::BaseCompiler

Inherits:
Object
  • Object
show all
Defined in:
lib/fontisan/ufo/compile/base_compiler.rb

Overview

Common orchestrator for TTF and OTF compilers. Subclasses implement #build_outline_tables (returning the format-specific table set: glyf+loca for TTF, CFF for OTF) and sfnt_version (0x00010000 for TTF, 0x4F54544F for OTF).

Direct Known Subclasses

Otf2Compiler, OtfCompiler, TtfCompiler

Constant Summary collapse

SFNT_VERSION_TRUE_TYPE = 
0x00010000
SFNT_VERSION_OPEN_TYPE =

"OTTO"

0x4F54544F

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(font) ⇒ BaseCompiler

Returns a new instance of BaseCompiler.



18
19
20
 
# File 'lib/fontisan/ufo/compile/base_compiler.rb', line 18

def initialize(font)
  @font = font
end

Instance Attribute Details

#font ⇒ Object (readonly)

Returns the value of attribute font.



16
17
18
 
# File 'lib/fontisan/ufo/compile/base_compiler.rb', line 16

def font
  @font
end

Instance Method Details

#build_outline_tables ⇒ Hash<String, #to_binary_s, String>

Format-specific extra tables. Override in subclasses.

Returns:

  • (Hash<String, #to_binary_s, String>) 


34
35
36
 
# File 'lib/fontisan/ufo/compile/base_compiler.rb', line 34

def build_outline_tables
  {}
end

#compile(output_path:) ⇒ String

Returns the path.

Parameters:

  • output_path (String) —

    where to write the binary font

Returns:

  • (String) —

    the path



24
25
26
27
28
29
30
 
# File 'lib/fontisan/ufo/compile/base_compiler.rb', line 24

def compile(output_path:)
  tables = build_tables
  bitmap = build_bitmap_tables(glyphs_with_notdef)
  tables.merge!(bitmap) if bitmap
  write(tables, output_path)
  output_path
end

#sfnt_version ⇒ Integer

Returns 0x00010000 (TTF) or 0x4F54544F (OTF).

Returns:

  • (Integer) —

    0x00010000 (TTF) or 0x4F54544F (OTF)



39
40
41
 
# File 'lib/fontisan/ufo/compile/base_compiler.rb', line 39

def sfnt_version
  self.class::SFNT_VERSION
end