Class: AdjustSVGCommandsForPlotter

Inherits:
Object
  • Object
show all
Defined in:
lib/convert_svg_string_to_gcode/helpers/adjust_svg_commands_for_plotter.rb

Class Method Summary collapse

Class Method Details

.add_margin_to_svg_commands(svg_commands, min_x, min_y, buffer = 20.0) ⇒ Object 



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# File 'lib/convert_svg_string_to_gcode/helpers/adjust_svg_commands_for_plotter.rb', line 53

def self.add_margin_to_svg_commands(svg_commands, min_x, min_y, buffer=20.0)
  x_margin = buffer-min_x
  y_margin = buffer-min_y

  svg_commands.map do |command|
    command.add_margins(x_margin, y_margin)
  end
end

.add_moves_back_to_svg_commands(svg_commands) ⇒ Object 



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# File 'lib/convert_svg_string_to_gcode/helpers/adjust_svg_commands_for_plotter.rb', line 68

def self.add_moves_back_to_svg_commands(svg_commands)
  commands_with_moves = svg_commands.map do |boxes|
      boxes.map do |commands|
        move_to_command = SVGCommand.new(
          type: ConversionConstants::MOVE,
          p1x: commands.first.p0x,
          p1y: commands.first.p0y
        )
        [move_to_command, commands.flatten]
      end
  end
  commands_with_moves.flatten
end

.get_max_x_y(svg_commands) ⇒ Object 



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# File 'lib/convert_svg_string_to_gcode/helpers/adjust_svg_commands_for_plotter.rb', line 39

def self.get_max_x_y(svg_commands)
  max_x = nil
  max_y = nil

  svg_commands.map do |command|
    command_max_x = [command.p0x, command.p1x].max
    max_x = command_max_x if  !max_x || command_max_x>max_x || max_x == 0.0

    command_max_y = [command.p0y, command.p1y].max
    max_y = command_max_y if  !max_y || command_max_y>max_y || max_y == 0.0
  end
  return max_x, max_y
end

.get_min_x_y(svg_commands) ⇒ Object 



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# File 'lib/convert_svg_string_to_gcode/helpers/adjust_svg_commands_for_plotter.rb', line 26

def self.get_min_x_y(svg_commands)
  min_x = nil
  min_y = nil
  svg_commands.map do |command|
    command_min_x = [command.p0x, command.p1x].min
    min_x = command_min_x if  !min_x || command_min_x<min_x || min_x == 0.0

    command_min_y = [command.p0y, command.p1y].min
    min_y = command_min_y if  !min_y || command_min_y<min_y || min_y == 0.0
  end
  return min_x, min_y
end

.group_commands_and_remove_moves(svg_commands) ⇒ Object 



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# File 'lib/convert_svg_string_to_gcode/helpers/adjust_svg_commands_for_plotter.rb', line 82

def self.group_commands_and_remove_moves(svg_commands)
  svg_commands
    .chunk { |cmd| cmd.type == 'M' }
    .reject { |enum| enum[0] }
    .map { |enum| enum[1] }
end

.optimize_commands(svg_commands) ⇒ Object 



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# File 'lib/convert_svg_string_to_gcode/helpers/adjust_svg_commands_for_plotter.rb', line 13

def self.optimize_commands(svg_commands)
  grouped_non_move_commands = group_commands_and_remove_moves(svg_commands)
  ordered_svg_commands = sort_commands_ascending_by_x(grouped_non_move_commands)
  sorted_svg_commands = BoxHelper.sort_commands_into_boxes(ordered_svg_commands)
  add_moves_back_to_svg_commands(sorted_svg_commands)
end

.perform(svg_commands, proportion = ConversionConstants::PROPORTION) ⇒ Object 



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# File 'lib/convert_svg_string_to_gcode/helpers/adjust_svg_commands_for_plotter.rb', line 5

def self.perform(svg_commands,proportion=ConversionConstants::PROPORTION)
  skewed_svg_commands = resize_svg_commands_by_proportion(svg_commands, proportion)
  min_x, min_y = get_min_x_y(skewed_svg_commands)
  max_x, max_y = get_max_x_y(skewed_svg_commands)
  buffered_svg_commands = add_margin_to_svg_commands(skewed_svg_commands, min_x, min_y)
  optimize_commands(buffered_svg_commands)
end

.resize_svg_commands_by_proportion(svg_commands, proportion) ⇒ Object 



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# File 'lib/convert_svg_string_to_gcode/helpers/adjust_svg_commands_for_plotter.rb', line 20

def self.resize_svg_commands_by_proportion(svg_commands, proportion)
  svg_commands.map do |command|
    command.adjust_by_proportion(proportion)
  end
end

.sort_commands_ascending_by_x(svg_commands) ⇒ Object 



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# File 'lib/convert_svg_string_to_gcode/helpers/adjust_svg_commands_for_plotter.rb', line 62

def self.sort_commands_ascending_by_x(svg_commands)
  svg_commands.sort do |a,b|
    a.first.p0x <=> b.first.p0x
  end
end