Class: Nineteen::Eighty::Two::Formats::SVG

Inherits:
Object
  • Object
show all
Defined in:
lib/nineteen/eighty/two/formatters/svg_formatter.rb

Class Method Summary collapse

Class Method Details

.body(text) ⇒ Object 



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# File 'lib/nineteen/eighty/two/formatters/svg_formatter.rb', line 19

def self.body text
  rows = []
  text.each_with_index do |line, count|
    Spectrum[line].each_with_index do |line, index|
      rows.push row(line, index + (count * 8))
    end
  end
  rows.flatten
end

.format(text, options = {}) ⇒ Object 



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# File 'lib/nineteen/eighty/two/formatters/svg_formatter.rb', line 6

def self.format text, options = {}
  text = [text] unless text.is_a? Array

  t = File.read File.open File.join Nineteen::Eighty::Two.templates_dir, 'svg', 'document.eruby'
  context = {
    width: text.longest * 8,
    height: text.count * 8,
    fill_colour: options.fetch(:colour, '#000000'),
    body: body(text)
  }
  Erubis::Eruby.new(t).evaluate(context)
end

.longest(list) ⇒ Object 



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# File 'lib/nineteen/eighty/two/formatters/svg_formatter.rb', line 50

def self.longest list
  list.map { |i| i.length }.max
end

.row(list, index = 0) ⇒ Object 



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# File 'lib/nineteen/eighty/two/formatters/svg_formatter.rb', line 29

def self.row list, index = 0
  x = 0
  cells = []
  Decorators::RunLengthEncoder.encode(list).each do |item|
    if item.type == 1
      t = File.read File.open File.join Nineteen::Eighty::Two.templates_dir, 'svg', 'cell.eruby'
      context = {
        x: x,
        y: index,
        width: item.width,
        height: 1,
        style: 'on'
      }
      cells.push Erubis::Eruby.new(t).evaluate(context).strip
    end
    x += item.width
  end

  cells
end