Class: Smalruby::Canvas

Inherits:
Character show all
Defined in:
lib/smalruby/canvas.rb

Overview

お絵かきを表現するクラス

Direct Known Subclasses

Stage

Instance Attribute Summary

Attributes inherited from Character

#angle, #checking_hit_targets, #event_handlers, #threads

ペン collapse

Instance Method Summary collapse

Methods inherited from Character

#alive?, #button, #button_down, #button_up, #click, #distance, #draw, #hit, #hit?, #join, #key_down, #key_push, #led, #loop, #move, #move_back, #on, #play, #point_towards, #reach_wall?, #rgb_led_anode, #rgb_led_cathode, #rotate, #say, #sensor, #sensor_change, #servo, #start, #turn, #turn_if_reach_wall, #two_wheel_drive_car

Constructor Details

#initialize(options = {}) ⇒ Canvas

Returns a new instance of Canvas.



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# File 'lib/smalruby/canvas.rb', line 6

def initialize(options = {})
  defaults = {
    x: 0,
    y: 0,
    width: Window.width,
    height: Window.height
  }
  opts = Util.process_options(options, defaults)

  opts[:costume] = Image.new(opts[:width], opts[:height])
  super(opts.reject { |k, v| [:width, :height].include?(k) })
end

Instance Method Details

#box(option) ⇒ Object 



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# File 'lib/smalruby/canvas.rb', line 41

def box(option)
  opt = process_rect_option(option)

  image.box(opt[:left], opt[:top], opt[:right], opt[:bottom],
            Color.smalruby_to_dxruby(opt[:color]))
end

#box_fill(option) ⇒ Object 



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# File 'lib/smalruby/canvas.rb', line 48

def box_fill(option)
  opt = process_rect_option(option)

  image.box_fill(opt[:left], opt[:top], opt[:right], opt[:bottom],
                 Color.smalruby_to_dxruby(opt[:color]))
end

#circle(option) ⇒ Object 



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# File 'lib/smalruby/canvas.rb', line 55

def circle(option)
  opt = process_circle_option(option)

  image.circle(opt[:x], opt[:y], opt[:r],
               Color.smalruby_to_dxruby(opt[:color]))
end

#circle_fill(option) ⇒ Object 



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# File 'lib/smalruby/canvas.rb', line 62

def circle_fill(option)
  opt = process_circle_option(option)

  image.circle_fill(opt[:x], opt[:y], opt[:r],
                    Color.smalruby_to_dxruby(opt[:color]))
end

#draw_font(option) ⇒ Object 



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# File 'lib/smalruby/canvas.rb', line 21

def draw_font(option)
  defaults = {
    x: 0,
    y: 0,
    string: "",
    size: 32
  }.merge(DEFAULT_COLOR_OPTION)
  opt = process_optional_arguments(option, defaults)

  image.draw_font(opt[:x], opt[:y], opt[:string], new_font(opt[:size]),
                  Color.smalruby_to_dxruby(opt[:color]))
end

#fill(option) ⇒ Object 



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# File 'lib/smalruby/canvas.rb', line 69

def fill(option)
  opt = process_optional_arguments(option, DEFAULT_COLOR_OPTION)

  image.box_fill(0, 0, image.width, image.height,
                 Color.smalruby_to_dxruby(opt[:color]))
end

#line(option) ⇒ Object 



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# File 'lib/smalruby/canvas.rb', line 34

def line(option)
  opt = process_rect_option(option)

  image.line(opt[:left], opt[:top], opt[:right], opt[:bottom],
             Color.smalruby_to_dxruby(opt[:color]))
end