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

#checking_hit_targets, #costume_index, #costumes, #enable_pen, #event_handlers, #pen_color, #rotation_style, #threads, #volume

ペン collapse

Instance Method Summary collapse

Methods inherited from Character

#alive?, #angle, #angle=, #await, #button, #change_pen_color_by, #clear, #click, #distance, #down_pen, #draw, #go_to, #hit, #hit?, #join, #key_down, #key_push, #led, #loop, #motor_driver, #move, #move_back, #neo_pixel, #next_costume, #on, #pen_shade=, #play, #point_towards, #position, #position=, #reach_left_or_right_wall?, #reach_top_or_bottom_wall?, #reach_wall?, #rgb_led_anode, #rgb_led_cathode, #rotate, #say, #sensor, #servo, #smalrubot_s1, #smalrubot_v3, #start, #switch_costume, #turn, #turn_if_reach_wall, #turn_x, #turn_y, #two_wheel_drive_car, #up_pen, #visible=, #x=, #y=

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,
    color: nil,
  }
  opts = Util.process_options(options, defaults)

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

  fill(color: opts[:color]) if opts[:color]
end

Instance Method Details

#box(option) ⇒ Object 



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# File 'lib/smalruby/canvas.rb', line 44

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 51

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 58

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 65

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 24

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 72

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 37

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