Class: Shellfie::AnimationFrameBuilder

Inherits:
Object
  • Object
show all
Defined in:
lib/shellfie/animation_frame_builder.rb

Instance Method Summary collapse

Constructor Details

#initialize(config) ⇒ AnimationFrameBuilder

Returns a new instance of AnimationFrameBuilder.



9
10
11
12
13
 
# File 'lib/shellfie/animation_frame_builder.rb', line 9

def initialize(config)
  @config = config
  @random = Random.new(config.animation[:seed])
  @scroll_easing = AnimationScrollEasing.new(config)
end

Instance Method Details

#build ⇒ Object 



15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
 
# File 'lib/shellfie/animation_frame_builder.rb', line 15

def build
  return [{ lines: @config.lines, delay: @config.animation[:final_delay] }] if @config.frames.empty?

  frames = []
  current_lines = @config.lines.flat_map { |line| line_data(line) }
  AnimationTimeline.new(@config).each do |event|
    case event.kind
    when :screen
      current_lines.replace(event.frame.screen.map { |line| { output: line } })
      frames << { lines: build_display_lines(current_lines), delay: [event.frame.delay, 1].max }
    when :command
      frames.concat(command_frames(current_lines, event.frame))
    when :output
      frames.concat(output_frames(current_lines, event.frame))
    when :pause
      frames << { lines: build_display_lines(current_lines), delay: event.frame.delay }
    end
  end

  if @config.animation[:final_delay].positive?
    frames << { lines: build_display_lines(current_lines), delay: @config.animation[:final_delay] }
  end
  frames
end

#cursor_text ⇒ Object 



40
41
42
43
44
45
46
47
48
49
50
51
52
53
 
# File 'lib/shellfie/animation_frame_builder.rb', line 40

def cursor_text
  glyph = case @config.cursor[:style]
          when "bar"
            "|"
          when "underline"
            "_"
          else
            "█"
          end
  color = @config.cursor[:color]
  return glyph unless color

  "#{ansi_color(color)}#{glyph}\e[0m"
end