Module: RspecFrameworkLedMatrix::ImageGenerator

Defined in:
lib/rspec-framework-led-matrix/image_generator.rb

Class Method Summary collapse

Class Method Details

.generate_image(statuses) ⇒ Object 



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# File 'lib/rspec-framework-led-matrix/image_generator.rb', line 5

def self.generate_image(statuses)
  width = 9
  height = 34

  passed_points = []
  pending_points = []

  statuses.each_with_index do |status, idx|
    x = idx % width
    y = idx / width

    case status
    when :passed
      passed_points << "point #{x},#{y}"
    when :pending
      pending_points << "point #{x},#{y}"
    end
    # Failed points remain black (background)
  end

  # Construct the draw parameters
  draw_params = []

  draw_params << "-fill gray10 -draw \"#{pending_points.join(" ")}\"" unless pending_points.empty?

  draw_params << "-fill white -draw \"#{passed_points.join(" ")}\"" unless passed_points.empty?

  # Build the ImageMagick convert command
  command = [
    "convert",
    "-size #{width}x#{height}",
    "xc:black",
    draw_params.join(" "),
    "output.png"
  ].join(" ")

  # Execute the command
  system(command)
end