Class: Hokusai::Clamping::Segment

Inherits:
Object
  • Object
show all
Defined in:
ui/src/hokusai/font.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(raw) ⇒ Segment

Returns a new instance of Segment.



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# File 'ui/src/hokusai/font.rb', line 105

def initialize(raw)
  @raw = raw
end

Instance Attribute Details

#raw ⇒ Object (readonly)

Returns the value of attribute raw.



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# File 'ui/src/hokusai/font.rb', line 103

def raw
  @raw
end

Instance Method Details

#char_is_selected(char) ⇒ Object 



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# File 'ui/src/hokusai/font.rb', line 184

def char_is_selected(char)
  return false if select_begin.nil? || select_end.nil?

  (select_begin..select_end).include?(char.offset)
end

#chars ⇒ Object 



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# File 'ui/src/hokusai/font.rb', line 121

def chars
  return @chars unless @chars.nil?

  @chars = []
  each_char do |char|
    @chars << char
  end

  @chars
end

#each_char ⇒ Object 



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# File 'ui/src/hokusai/font.rb', line 132

def each_char
  char = raw[:chars]
  i = 0

  while !char.null?
    yield Char.new(char), i
    i += 1
    char = char[:next_char]
  end
end

#each_group ⇒ Object 



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# File 'ui/src/hokusai/font.rb', line 154

def each_group
  group = raw[:groups]
  i = 0
  until group.null?
    yield Group.new(group), i
    i.succ
    group = group[:next_group]
  end
end

#groups ⇒ Object 



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# File 'ui/src/hokusai/font.rb', line 143

def groups
  return @groups unless @groups.nil?

  @groups = []
  each_group do |group|
    @groups << group
  end

  @groups
end

#has_selection? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'ui/src/hokusai/font.rb', line 180

def has_selection?
  !select_end.nil? && !select_begin.nil?
end

#make_selection(start, stop) ⇒ Object 



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# File 'ui/src/hokusai/font.rb', line 190

def make_selection(start, stop)
  self.select_begin = start
  self.select_end = stop
end

#offset ⇒ Object 



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# File 'ui/src/hokusai/font.rb', line 113

def offset
  raw[:offset]
end

#select_begin ⇒ Object 



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# File 'ui/src/hokusai/font.rb', line 168

def select_begin
  raw[:select_begin]
end

#select_begin=(val) ⇒ Object 



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# File 'ui/src/hokusai/font.rb', line 172

def select_begin=(val)
  raw[:select_begin] = val
end

#select_end ⇒ Object 



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# File 'ui/src/hokusai/font.rb', line 164

def select_end
  raw[:select_end]
end

#select_end=(val) ⇒ Object 



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# File 'ui/src/hokusai/font.rb', line 176

def select_end=(val)
  raw[:select_end] = val.nil? ? select_begin : val
end

#size ⇒ Object 



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# File 'ui/src/hokusai/font.rb', line 117

def size
  raw[:size]
end

#width(range = (offset...offset + size)) ⇒ Object 



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# File 'ui/src/hokusai/font.rb', line 109

def width(range = (offset...offset + size))
  chars[range]&.sum(&:width) || 0.0
end