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49 lines
801 B
Ruby
49 lines
801 B
Ruby
class SnapshotLine
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include Enumerable
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delegate :each, :to => :fragments
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def self.build(blocks)
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fragments = blocks.map { |block|
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SnapshotFragment.new(block[0], Brush.new(block[1]))
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}
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new(fragments)
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end
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def initialize(fragments)
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@fragments = fragments
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end
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def ==(other)
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other.fragments == fragments
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end
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def crop(size)
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new_fragments = []
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current_size = 0
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fragments.each do |fragment|
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break if current_size == size
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if current_size + fragment.size > size
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fragment = fragment.crop(size - current_size)
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end
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new_fragments << fragment
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current_size += fragment.size
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end
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self.class.new(new_fragments)
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end
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def empty?
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fragments.all?(&:empty?)
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end
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protected
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attr_reader :fragments
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end
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