Module: Inlay::TerminalOutput

Defined in:
lib/inlay/terminal_output.rb

Class Method Summary collapse

Class Method Details

.protocol(output: $stdout, env: ENV) ⇒ Object 



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# File 'lib/inlay/terminal_output.rb', line 7

def protocol(output: $stdout, env: ENV)
  return :none unless enabled?(output: output, env: env)

  selected = Termvas::Detector.protocol(env)
  return :none if selected == :blocks && env.key?("NO_COLOR")

  selected
end

.write(image, width: nil, height: nil, scale: :auto, protocol: nil, output: $stdout, env: ENV) ⇒ Object 



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# File 'lib/inlay/terminal_output.rb', line 16

def write(image, width: nil, height: nil, scale: :auto, protocol: nil, output: $stdout, env: ENV)
  selected = (protocol || self.protocol(output: output, env: env)).to_sym
  return false unless enabled?(output: output, env: env) && selected != :none
  return false if selected == :blocks && env.key?("NO_COLOR")
  return false if image.width * image.height > Inlay.config.max_pixels
  return false if image.width.zero? || image.height.zero?

  image = Sizer.fit(image, width: width, height: height, scale: scale, protocol: selected, env: env)
  bytes = image.bytes
  encoded = case selected.to_sym
  when :blocks then Termvas::Encoders::Blocks.encode(bytes, image.width, image.height)
  when :kitty then Termvas::Encoders::Kitty.encode(bytes, image.width, image.height, id: next_kitty_id)
  when :iterm2
    png = Tessel::PNG.encode(image)
    Termvas::Encoders::ITerm2.encode(png, width: image.width, height: image.height)
  when :sixel then Termvas::Encoders::Sixel.encode(bytes, image.width, image.height)
  else return false
  end
  output.write(encoded)
  output.write("\n")
  true
end