Class: Branding::Pixel2x

Inherits:
Pixel
  • Object
show all
Defined in:
lib/branding/pixel.rb

Instance Attribute Summary

Attributes inherited from Pixel

#uint32

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Pixel

#==, #a, #b, #g, #inspect, #r, rgb, #to_i, #to_rgb, #to_rgba

Constructor Details

#initialize(top, bottom) ⇒ Pixel2x

Returns a new instance of Pixel2x.



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# File 'lib/branding/pixel.rb', line 114

def initialize(top, bottom)
  @top, @bot = top, bottom

  @top ||= 0x000000ff
  @bot ||= 0x000000ff
end

Class Method Details

.load_strategy(pixels, height: 0, width: 0) ⇒ Object 



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# File 'lib/branding/pixel.rb', line 102

def self.load_strategy(pixels, height: 0, width: 0)
  matrix = Matrix.build(height, width) do |row, col|
    pixels[col + row*width]
  end

  (0..height).step(2) do |row|
    matrix.minor(row, 2, 0, width).transpose.to_a.each do |top, bottom|
      yield self.new(top.to_i, bottom.to_i)
    end
  end
end

Instance Method Details

#to_s ⇒ Object 



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# File 'lib/branding/pixel.rb', line 125

def to_s
  if ANSI.clamped(@top) == ANSI.clamped(@bot)
    return "#{ANSI.bg(*ANSI.uint32_to_rgb(@top))} "
  end

  "#{ANSI.fg(*ANSI.uint32_to_rgb(@bot))}#{ANSI.bg(*ANSI.uint32_to_rgb(@top))}▄"
end

#width ⇒ Object 



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# File 'lib/branding/pixel.rb', line 121

def width
  1
end