Class: Naiso::ImageSplitter

Inherits:
Object
  • Object
show all
Defined in:
lib/naiso/image_splitter.rb

Overview

이미지 분할기

Instance Method Summary collapse

Constructor Details

#initialize(config = nil) ⇒ ImageSplitter

Returns a new instance of ImageSplitter.



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# File 'lib/naiso/image_splitter.rb', line 9

def initialize(config = nil)
  @config = config || SplitConfig.new
end

Instance Method Details

#split(image_path, output_dir: nil, verbose: true) ⇒ Object 



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# File 'lib/naiso/image_splitter.rb', line 13

def split(image_path, output_dir: nil, verbose: true)
  result = SplitResult.new

  # 이미지 로드
  image = Vips::Image.new_from_file(image_path)

  # 설정값 계산
  min_height = @config.min_section_height || (image.width * 2 / 3)
  max_height = @config.max_section_height || (image.width * 1.5).to_i

  if verbose
    puts "이미지 크기: #{image.width} x #{image.height}"
    puts "최소 섹션 높이: #{min_height}px"
    puts "최대 섹션 높이: #{max_height}px"
  end

  # 분석기 및 감지기 초기화
  analyzer = RowAnalyzer.new(image)
  detector = SplitPointDetector.new(analyzer, @config)

  # 분할점 수집
  result.uniform_regions = detector.find_uniform_regions
  result.divider_lines = detector.find_divider_lines
  result.background_transitions = detector.find_background_transitions

  print_detection_results(result) if verbose

  # 분할점 병합
  split_points = merge_split_points(result, image.height, min_height)

  # 최대 높이 초과 섹션 분할
  if max_height > 0
    split_points, complexity_splits = apply_max_height_splits(
      split_points, max_height, min_height, detector, verbose
    )
    result.complexity_splits = complexity_splits
  end

  result.split_points = split_points

  if verbose
    puts "\n분할 위치: #{split_points}"
    puts "생성될 섹션 수: #{split_points.size - 1}개"
  end

  # 이미지 분할 및 저장
  if split_points.nil? || split_points.size < 2
    puts '분할할 영역을 찾지 못했습니다.' if verbose
    return result
  end

  output_dir = prepare_output_dir(image_path, output_dir)
  result.output_files = save_sections(image, split_points, output_dir, image_path, verbose)

  result
end