Class: TUITD::Screenshot

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

Constant Summary collapse

CELL_W = 
8
CELL_H = 
16
BOX_CHARS = 
{
  # horizontal
  "─" => [false, false, true, true, :light],
  "━" => [false, false, true, true, :heavy],
  "═" => [false, false, true, true, :double],
  # vertical
  "│" => [true, true, false, false, :light],
  "┃" => [true, true, false, false, :heavy],
  "║" => [true, true, false, false, :double],
  # corners
  "┌" => [false, true, false, true, :light],
  "┍" => [false, true, false, true, :light],
  "┎" => [false, true, false, true, :light],
  "┏" => [false, true, false, true, :heavy],
  "┐" => [false, true, true, false, :light],
  "┑" => [false, true, true, false, :light],
  "┒" => [false, true, true, false, :light],
  "┓" => [false, true, true, false, :heavy],
  "└" => [true, false, false, true, :light],
  "▼" => [true, false, false, true, :light],
  "┖" => [true, false, false, true, :light],
  "┗" => [true, false, false, true, :heavy],
  "┘" => [true, false, true, false, :light],
  "┙" => [true, false, true, false, :light],
  "┚" => [true, false, true, false, :light],
  "┛" => [true, false, true, false, :heavy],
  # double corners
  "╔" => [false, true, false, true, :double],
  "╗" => [false, true, true, false, :double],
  "╚" => [true, false, false, true, :double],
  "╝" => [true, false, true, false, :double],
  # T-junctions
  "├" => [true, true, false, true, :light],
  "┣" => [true, true, false, true, :heavy],
  "┤" => [true, true, true, false, :light],
  "┫" => [true, true, true, false, :heavy],
  "┬" => [false, true, true, true, :light],
  "┳" => [false, true, true, true, :heavy],
  "┴" => [true, false, true, true, :light],
  "┻" => [true, false, true, true, :heavy],
  # double T-junctions
  "╠" => [true, true, false, true, :double],
  "╣" => [true, true, true, false, :double],
  "╦" => [false, true, true, true, :double],
  "╩" => [true, false, true, true, :double],
  # crosses
  "┼" => [true, true, true, true, :light],
  "╋" => [true, true, true, true, :heavy],
  "╬" => [true, true, true, true, :double],
  # single lines (ends)
  "╴" => [false, false, true, false, :light],
  "╵" => [true, false, false, false, :light],
  "╶" => [false, false, false, true, :light],
  "╷" => [false, true, false, false, :light],
  "╸" => [false, false, true, false, :heavy],
  "╹" => [true, false, false, false, :heavy],
  "╺" => [false, false, false, true, :heavy],
  "╻" => [false, true, false, false, :heavy],
  # mixed corners/junctions
  "┿" => [true, true, true, true, :light],
  "╀" => [true, true, true, true, :light],
  "╁" => [true, true, true, true, :light],
  "╂" => [true, true, true, true, :light],
  "╃" => [true, true, true, true, :heavy],
  "╄" => [true, true, true, true, :heavy],
  "╅" => [true, true, true, true, :heavy],
  "╆" => [true, true, true, true, :heavy],
  "╇" => [true, true, true, true, :heavy],
  "╈" => [true, true, true, true, :heavy],
  "╉" => [true, true, true, true, :heavy],
  "╊" => [true, true, true, true, :heavy],
  "╒" => [false, true, false, true, :double],
  "╓" => [false, true, false, true, :double],
  "╕" => [false, true, true, false, :double],
  "╖" => [false, true, true, false, :double],
  "╘" => [true, false, false, true, :double],
  "╙" => [true, false, false, true, :double],
  "╛" => [true, false, true, false, :double],
  "╜" => [true, false, true, false, :double],
  "╞" => [true, true, false, true, :double],
  "╟" => [true, true, false, true, :double],
  "╡" => [true, true, true, false, :double],
  "╢" => [true, true, true, false, :double],
  "╤" => [false, true, true, true, :double],
  "╥" => [false, true, true, true, :double],
  "╧" => [true, false, true, true, :double],
  "╨" => [true, false, true, true, :double],
  "╪" => [true, true, true, true, :double],
  "╫" => [true, true, true, true, :double]
}.freeze

Constants included from ANSIUtils

ANSIUtils::ANSI_INDEX, ANSIUtils::ANSI_RGB, ANSIUtils::CUBE, ANSIUtils::DEFAULT_BG, ANSIUtils::DEFAULT_FG

Instance Method Summary collapse

Methods included from ANSIUtils

#_dig, #resolve_color, #xterm_256

Constructor Details

#initialize(state) ⇒ Screenshot

Returns a new instance of Screenshot.



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# File 'lib/tui_td/screenshot.rb', line 203

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 210

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