Module: PixelFontTrieOCR::Parsing

Included in:
PixelFontTrieOCR
Defined in:
lib/pixel_font_trie_ocr/parsing.rb

Instance Method Summary collapse

Instance Method Details

#char_masks ⇒ Object 



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# File 'lib/pixel_font_trie_ocr/parsing.rb', line 18

def char_masks
  @char_masks || character_images
end

#character_images ⇒ Object 



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# File 'lib/pixel_font_trie_ocr/parsing.rb', line 7

def character_images
  @char_masks = {}
  characters.map.with_index do |char, index|
    image = text_image(char)
    mask = bitmask(image)
    yield(char, image, mask, index) if block_given?
    @char_masks[char] = mask
  end
  @char_masks
end

#parse_image(img) ⇒ Object 



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# File 'lib/pixel_font_trie_ocr/parsing.rb', line 30

def parse_image(img)
  parse_mask(bitmask(img))
end

#parse_mask(columns) ⇒ Object 



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# File 'lib/pixel_font_trie_ocr/parsing.rb', line 26

def parse_mask(columns)
  trie.parse(columns)
end

#trie ⇒ Object 



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# File 'lib/pixel_font_trie_ocr/parsing.rb', line 22

def trie
  @trie ||= Trie.new(char_masks)
end