Sha256: a2f0b01b4312e1cea15f81e62c53d4b7a7a4372468b0ef903a9d088f96bfe286
Contents?: true
Size: 1.15 KB
Versions: 5
Compression:
Stored size: 1.15 KB
Contents
# frozen_string_literal: true
module Vedeu
module Renderers
# Converts a grid of {Vedeu::Cells} objects or
# {Vedeu::Cells::Char} objects into a stream of characters without
# escape sequences.
#
class Text < Vedeu::Renderers::File
include Vedeu::Renderers::Options
private
# Combine all characters in a row to produce a line, then all
# lines should be terminated with `\n`. Convert to an array of
# UTF8 codepoints, and any codepoint above 255 should be
# converted to a space.
#
# @return [String]
def content
return '' if string?(output) || absent?(output)
buffer.map(&:join).join("\n").unpack('U*').map do |c|
(c > 255) ? ' ' : c.chr
end.join
end
# @return [Array<String>]
def buffer
empty = Array.new(Vedeu.height) { Array.new(Vedeu.width) { ' ' } }
output.each do |row|
row.each do |char|
next unless positionable?(char)
empty[char.position.y - 1][char.position.x - 1] = char.text
end
end
empty
end
end # Text
end # Renderers
end # Vedeu
Version data entries
5 entries across 5 versions & 1 rubygems