Ruby ã§ç”»åƒã‚’扱ㆠ- 見上ã’ã‚Œã°ã€ç©ºImlib2-Ruby を使ã£ã¦ç”»åƒã‚’扱ã£ã¦ã¿ã¾ã™ã€‚ 多用ãªå½¢å¼ã‚’サãƒãƒ¼ãƒˆã—èªã¿æ›¸ãç‰ã‚‚速ㄠImlib2 ã¨ã„ã†ç”»åƒå‡¦ç†ãƒ©ã‚¤ãƒ–ラリãŒã‚り〠Ruby ã®ãƒã‚¤ãƒ³ãƒ‡ã‚£ãƒ³ã‚°ã§ã‚ã‚‹ Imlib2-Ruby ãŒå…¬é–‹ã•ã‚Œã¦ã„ã¾ã™ã€‚ Ubuntu ã§ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã™ã‚‹ã«ã¯ apt-get を使ãˆã°ã„ã„らã—ã„。 $ sudo apt-get install libimlib2-ruby Mac ã®å ´åˆã¯ Imlib2ã§ImageMagickより3å€é«˜é€Ÿã‹ã¤ç¾Žã—ã„サムãƒã‚¤ãƒ«ç”»åƒã®ç”Ÿæˆ - 昼メシ物語 ã‚’å‚照。 ピクセルã”ã¨ã‚°ãƒ¬ãƒ¼ã‚¹ã‚±ãƒ¼ãƒ«ã«å¤‰æ›ã™ã‚‹ä¾‹ã€‚ require 'imlib2' img = Imlib2::Image.load("src.jpg") img.h.times do |y| img.w.times do |x| c = img.pixel(x, y) gray = (0.299 * c.r
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