Class: TUITD::Screenshot

Inherits:
Object
  • Object
show all
Defined in:
lib/tui_td/screenshot.rb

Constant Summary collapse

CELL_W = 
8
CELL_H = 
16
DEFAULT_FG = 
[0xC0, 0xC0, 0xC0].freeze
DEFAULT_BG = 
[0x00, 0x00, 0x00].freeze

Instance Method Summary collapse

Constructor Details

#initialize(state) ⇒ Screenshot

Returns a new instance of Screenshot.



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# File 'lib/tui_td/screenshot.rb', line 142

def initialize(state)
  @state = state
  @rows = _dig(state, :size, :rows) || 40
  @cols = _dig(state, :size, :cols) || 120
  @grid = state[:rows] || state["rows"] || []
end

Instance Method Details

#render(output_path) ⇒ Object 



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# File 'lib/tui_td/screenshot.rb', line 149

def render(output_path)
  width = @cols * CELL_W
  height = @rows * CELL_H
  image = ChunkyPNG::Image.new(width, height, ChunkyPNG::Color::BLACK)

  @grid.each_with_index do |row, ri|
    next unless row
    row.each_with_index do |cell, ci|
      next unless cell
      render_cell(image, ri, ci, cell)
    end
  end

  image.save(output_path)
  output_path
end