Class: Textbringer::Face

Inherits:
Object
  • Object
show all
Defined in:
lib/textbringer/face.rb

Constant Summary collapse

@@face_table = 
{}
@@next_color_pair = 
1

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(name, **opts) ⇒ Face

Returns a new instance of Face.



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# File 'lib/textbringer/face.rb', line 26

def initialize(name, **opts)
  @name = name
  @color_pair = @@next_color_pair
  @@next_color_pair += 1
  update(**opts)
end

Instance Attribute Details

#attributes ⇒ Object (readonly)

Returns the value of attribute attributes.



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# File 'lib/textbringer/face.rb', line 5

def attributes
  @attributes
end

#name ⇒ Object (readonly)

Returns the value of attribute name.



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# File 'lib/textbringer/face.rb', line 5

def name
  @name
end

Class Method Details

.[](name) ⇒ Object 



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# File 'lib/textbringer/face.rb', line 10

def self.[](name)
  @@face_table[name]
end

.define(name, **opts) ⇒ Object 



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# File 'lib/textbringer/face.rb', line 14

def self.define(name, **opts)
  if @@face_table.key?(name)
    @@face_table[name].update(**opts)
  else
    @@face_table[name] = new(name, **opts)
  end
end

.delete(name) ⇒ Object 



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# File 'lib/textbringer/face.rb', line 22

def self.delete(name)
  @@face_table.delete(name)
end

Instance Method Details

#update(foreground: -1,, background: -1,, bold: false, underline: false, reverse: false) ⇒ Object 



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# File 'lib/textbringer/face.rb', line 33

def update(foreground: -1, background: -1,
           bold: false, underline: false, reverse: false)
  @foreground = foreground
  @background = background
  @bold = bold
  @underline = underline
  @reverse = reverse
  Curses.init_pair(@color_pair,
                   Color[foreground], Color[background])
  @attributes = 0
  @attributes |= Curses.color_pair(@color_pair)
  @attributes |= Curses::A_BOLD if bold
  @attributes |= Curses::A_UNDERLINE if underline
  @attributes |= Curses::A_REVERSE if reverse
  self
end