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 41

def self.add_margin_to_svg_commands(svg_commands, min_x, min_y, buffer=20.0)
  svg_commands.map do |command|
    buffered_command={}
    command.each_key do |k|
      if [:x,:cp0x,:cp1x,:p1x].include? k
        buffered_command[k] = command[k]-min_x+buffer
      elsif [:y,:cp0y,:cp1y,:p1y].include? k
        buffered_command[k] = command[k]-min_y+buffer
      else
        buffered_command[k] = command[k]
      end
    end
    buffered_command
  end
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 23

def self.get_min_x_y(svg_commands)
  min_x = nil
  min_y = nil

  svg_commands.map do |command|
    command.each_key do |key|
      if ConversionConstants::X_LABELS.include? key
        min_x = command[key] if !min_x || command[key]<min_x
      end

      if ConversionConstants::Y_LABELS.include? key
        min_y = command[key] if !min_y || command[key]<min_y
      end
    end
  end
  return min_x, min_y
end

.perform(svg_commands, proportion = 0.10) ⇒ Object 



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# File 'lib/convert_svg_string_to_gcode/helpers/adjust_svg_commands_for_plotter.rb', line 3

def self.perform(svg_commands,proportion=0.10)
  skewed_svg_commands, min_x, min_y = resize_svg_commands_by_proportion_and_get_min_x_y(svg_commands, proportion)
  min_x, min_y = get_min_x_y(skewed_svg_commands)
  buffered_svg_commands = add_margin_to_svg_commands(skewed_svg_commands, min_x, min_y)
end

.resize_svg_commands_by_proportion_and_get_min_x_y(svg_commands, proportion) ⇒ Object 



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# File 'lib/convert_svg_string_to_gcode/helpers/adjust_svg_commands_for_plotter.rb', line 9

def self.resize_svg_commands_by_proportion_and_get_min_x_y(svg_commands, proportion)
  min_x = nil
  min_y = nil
  skewed_svg_commands = svg_commands.map do |command|
    mutated_command = {}
    command.each_key do |k|
      mutated_command[k] = Float(command[k])*proportion unless k==:command
      mutated_command[k] = command[k] if k==:command
    end
    mutated_command
  end
  return skewed_svg_commands, min_x, min_y
end