64 lines
1.4 KiB
Ruby
64 lines
1.4 KiB
Ruby
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module Nandeck
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class TextBlock < Primitive
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def initialize(card_index, font, text, character_break, x, y, width, height, options = {})
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@card_index, @font, @text, @character_break, @x, @y, @width, @height = card_index, font, text, character_break, x, y, width, height
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@options = {
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line_height: font.size,
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line_height_adjustment: 0,
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outline: nil
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}.merge(options)
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end
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def line_height
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@options[:line_height]
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end
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def line_height_adjustment
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@options[:line_height_adjustment]
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end
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def line_height_inches
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points_to_inches(line_height)
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end
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def to_s
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sy = (@height - (lines.length * line_height_inches) / 2) - line_height_inches
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y = 0
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output = []
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@font.write do
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lines.each do |line|
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if line.length != 0
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output << @font.text(@card_index, line.join(' '), @x, @y + sy + y, @width, points_to_inches(line_height) * 2, { vertical: :top }.merge(@options) )
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end
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y += points_to_inches(line_height + line_height_adjustment)
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end
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end
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output.join("\n") + "\n"
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end
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def lines
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return @lines if @lines
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words = @text.to_s.split(' ')
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@lines = [ [] ]
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while !words.empty?
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if @lines.last.join(' ').length + words.first.length > @character_break
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@lines << []
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end
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@lines.last << words.shift
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end
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@lines
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end
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end
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end
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