class TTFunk::Table::Cff::Path
Constants
- CLOSE_PATH_CMD
Attributes
commands[R]
number_of_contours[R]
Public Class Methods
new()
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# File lib/ttfunk/table/cff/path.rb, line 11 def initialize @commands = [] @number_of_contours = 0 end
Public Instance Methods
close_path()
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# File lib/ttfunk/table/cff/path.rb, line 28 def close_path @commands << CLOSE_PATH_CMD @number_of_contours += 1 end
curve_to(x1, y1, x2, y2, x, y)
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# File lib/ttfunk/table/cff/path.rb, line 24 def curve_to(x1, y1, x2, y2, x, y) # rubocop: disable Metrics/ParameterLists,Style/CommentedKeyword @commands << [:curve, x1, y1, x2, y2, x, y] end
line_to(x, y)
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# File lib/ttfunk/table/cff/path.rb, line 20 def line_to(x, y) @commands << [:line, x, y] end
move_to(x, y)
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# File lib/ttfunk/table/cff/path.rb, line 16 def move_to(x, y) @commands << [:move, x, y] end
render(x: 0, y: 0, font_size: 72, units_per_em: 1000)
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# File lib/ttfunk/table/cff/path.rb, line 33 def render(x: 0, y: 0, font_size: 72, units_per_em: 1000) new_path = self.class.new scale = 1.0 / units_per_em * font_size commands.each do |cmd| case cmd[:type] when :move new_path.move_to(x + (cmd[1] * scale), y + (-cmd[2] * scale)) when :line new_path.line_to(x + (cmd[1] * scale), y + (-cmd[2] * scale)) when :curve new_path.curve_to( x + (cmd[1] * scale), y + (-cmd[2] * scale), x + (cmd[3] * scale), y + (-cmd[4] * scale), x + (cmd[5] * scale), y + (-cmd[6] * scale) ) when :close new_path.close_path end end new_path end
Private Instance Methods
format_values(command)
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# File lib/ttfunk/table/cff/path.rb, line 62 def format_values(command) command[1..-1].map { |k| format('%.2f', k) }.join(' ') end