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2009å¹´07æ10æ¥00:52 Ruby RMagickã®ã¤ã³ã¹ãã¼ã«ã§ã¨ã©ã¼ã§ããããããã¾ã å æ¥ãRMagick ã使ãããã¦ã¤ã³ã¹ãã¼ã«ãããã§ããããã®ã¨ãã«ã¡ãã£ã¨ã¯ã¾ã£ãã®ã§æ¸ãã¦ã¿ã¾ãã RMagick ã¨ããã®ã¯ ImageMagick ã¨ããç»åç·¨éã½ããã Ruby ã§åãããããã«ãããã®ã§ãããããå©ç¨ããã¨ç»åã®ãªãµã¤ãºã¨ãå転ã¨ãä¿åã¨ããåºæ¥ã¾ããPerl ã® Image::Magick ã Imager ã®ãããªãã®ã§ãããã便å©ã£ã(=ï¾Ïï¾)ï¾ RMagick èªä½ã¯ gem ã§ã¤ã³ã¹ãã¼ã«åºæ¥ãã¿ãããªãã§ãããImageMagick 㨠ImageMagick-devel ãå¿ è¦ãªãããªã®ã§ãå¥ã§ã¤ã³ã¹ãã¼ã«ãã¾ãã sudo yum install ImageMagick ImageMagick-devel sudo gem install r
herokuã§imagemagickã使ãããããã®ã§ãããã©ã®ãã¼ã¸ã§ã³ã®imagemagickãããããªãã£ãã®ã§èª¿ã¹ã¦ã¿ã¾ããã 以ä¸ã®ç°å¢ã§å®è¡ãã¾ããã heroku-toolbelt/3.0.1 (universal-darwin11.0) ruby/1.8.7 OSåã¨ãã¼ã¸ã§ã³ã®ç¢ºèª heroku run 'ls /etc/ | egrep "(version|release)$"' heroku run "cat /etc/lsb-release"
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2009å¹´01æ21æ¥ RMagickã§ç»åã®ãã¯ã»ã«æ å ±ãåå¾ãã ã¡ãã£ã¨åã«åçã®ãã¯ã»ã«æ å ±ãå¾ãã«ã¯ï¼ã¨ãããã¨ã§ãRã§å®æ½ããæ¹æ³ã調ã¹ãã®ã ããRubyã§ã RMagickã使ãã¨å¯è½ã§ãããã¨ãç¥ã£ãã Windowsç¨ã«rmagick-win32ããã¦ã³ãã¼ãã㦠ImageMagick-6.4.5-3-Q8-windows-dll.exe ãèµ·åããã®å¾ãåããã©ã«ãã«ãã gem ãã¤ã³ã¹ãã¼ã«ãããgem install --local rmagick-2.7.1-x86-mswin32.gem Windowsã®å ´åãRmagickã®ä¸ã§ImageMagickã® dll ãã¡ã¤ã«ãå¿ è¦ã¨ãããããªã®ã§ãC:\Program Files\ImageMagick-6.4.5-Q8 ã« path ãéãã¦ããã ããã§ãã¯ã»ã«ã®æ å ±ãåããããã«ãªã£ãã®ã§ãäºã¤ã®ç»åã®è²
macportsã¤ã³ã¹ãã¼ã« ããããã°è²·ãæ¿ãã¦ããmacportsãå ¥ãã¦ãªãã£ãã®ã§ http://svn.macosforge.org/repository/macports/downloads/ããdmgãæã£ã¦æ¥ã¦ã¤ã³ã¹ãã¼ã«ã ImageMagickã¤ã³ã¹ãã¼ã« http://rmagick.rubyforge.org/install-osx.html ãåèã«ã¤ã³ã¹ãã¼ã«ã # sudo port install tiff -macosx imagemagick +q8 +gs +wmf . . . Error: The following dependencies failed to build: jpeg zlibzlibã¨jpegãç¡ãã¨ãè¨ãããã®ã§ã¨ããããzlibãã¤ã³ã¹ãã¼ã« # sudo port install zlibå ¥ã£ãã£ã½ãã®ã§è©¦ãã«ããä¸åº¦Ima
ååã®è¨äºã§ãRMagickã¯JPEGã«ãã©ã¼ãããå¤æããæã«ä¸æçã«ãã¡ã¤ã«ã¸ä¿åããªãã¨ç»è³ªå¤æ´ãåºæ¥ãªãã¨æ¸ãããã ãã©ãä¸æãã¡ã¤ã«ãä½ããã«ç»è³ªã®è¨å®/å¤æ´ãåºæ¥ãäºãåãã£ãã®ã§ã¡ã¢ã ã¾ãã¯ãæ®éã«JPEGã«å¤æ ããã§ãOKã ãã©ããã¡ãã¡ãã¡ã¤ã«ã«ä¿åããªãã¦ã¯ãããªã require 'rubygems' require 'RMagick' path = './sample.png' image = Magick::Image.read(path).first image.format = 'JPEG' tmp_path = '/tmp/sample.jpg' image.write(tmp_path) { self.quality = 95 } File.delete(tmp_path) ãã¡ã¤ã«ã«ä¿åããã«JPEGå¤æï¼ç»è³ªè¨å® ãã£ã¡ããããã¹ãã ã¨æãæ¹æ³ã
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Herokuã§RMagickã使ããã¨ãã¦ããã£ããçµè«ãå ã«æ¸ãã¨ãrequireããã¨ãã¯å°æåã®rmagickãããã¡ã§ãã¡ããã¨ãã£ãã¿ã©ã¤ãºãããRMagickãããªãã¨ãããªãã£ãã¿ãããMacã¨Windowsã§ãã¼ã«ã«ã§ä½¿ã£ã¦ãã¨ãã¯å°æåã§æ®éã«ä½¿ãã¦ãã®ã§ãåå ã«æ°ã¥ãã¾ã§ã¡ãã£ã¨æéãæãã£ãããã¨ãBundlerã§Bundler.requireããã¨ããããã®ã¾ã¾ã§ã¯åãã¨ããã§ãããã®ã§æ³¨æãå¿ è¦ã å°æåã¯ä¸æ£è§£ requireã«å¤§æåãæ··ããã®ã¯ãå人çã«ã¯ãªãã¨ãªãããµãæããããã®ã§ãå°æåã§åããªãå°æåã§æ¸ãããã¨ããã ãã©ãRMagickã¯è¨±ãã¦ãããªãã£ãã require 'rmagick' #=> ä¸æ£è§£ require 'RMagick' #=> æ£è§£ åè ã ã¨Herokuã§ã¯Application Errorã«ãªããã¨ã©ã¼æã®ãã°ã®è©²å½ç®æã
Herokuã¯ãåä½ã§ã¯ãã¡ã¤ã«ããµã¼ãã¼ä¸ã«æ°¸ç¶çã«ä¿åãããã¨ã¯ã§ããªã[^1]ã®ã§ãRMagickã使ã£ã¦ç»åãçæãã¦ããããä¿åãããã¨ã¯ã§ããªãããã ããçæããç»åããã®å ´ã§åã«è¡¨ç¤ºããã ãã®ç®çã§ããã°ãæ°¸ç¶çã«ä¿åããå¿ è¦ã¯ãªãã®ã§ã次ã®2ã¤ã®æ¹æ³ã§RMagickã§çæããç»åãå©ç¨ã§ããã çæããç»åãä¿åããã«ãã¤ããªãã¼ã¿ãç´æ¥è¡¨ç¤ºããæ¹æ³ çæããç»åãä¸æä¿åãã©ã«ãã«ä¿åãã¦è¡¨ç¤ºããæ¹æ³ çæããç»åãä¿åããã«ãã¤ããªãã¼ã¿ãç´æ¥è¡¨ç¤ºããæ¹æ³ çæããRMagickã®Imageãªãã¸ã§ã¯ãããto_blobã¡ã½ããã使ã£ã¦ãç´æ¥ã¡ã¢ãªã¼ä¸ã«ãã¤ããªãã¼ã¿ã¨ãã¦å±éãããããåºåããæ¹æ³ãããã¯ã¡ã¢ãªã¼ã®æ¶è²»éãå¤ãããæ¯å1度ã ã表示ãããããªã¸ã§ãã¬ã¼ã¿ç³»ã«ã¯é©ãã¦ããããããã®æ¹æ³ã®ãµã³ãã«ã³ã¼ãã以ä¸ã require 'rubygems' requ
æ¨æ¥ã®RMagickã§ä½¿ç¨å¯è½ãªãã©ã³ãåã®ä¸è¦§ãåºåããã¨åãããã«ãHerokuã®ãµã¼ãã¼ä¸ã§Sinatraã使ã£ã¦RMagickã§ä½¿ç¨å¯è½ãªãã©ã³ãåã®ãªã¹ããåºåãã¦ã¿ããããã»ã©ç¨®é¡ã¯å¤ããªããã®ã®ãæå¤ã«ãHelveticaãPalatinoãªã©ãå ¥ã£ã¦ããããå¤ãã®æåæ°ãã«ãã¼ããDejaVuã®Sansã¨Serifãªã©ãå ¥ã£ã¦ãããå人çã«å¥½ããªVerdanaãGeorgiaãå ¥ã£ã¦ããã®ãå¬ããã ä»å使ç¨ãããå®éã«ãã©ã³ãåã®ãªã¹ããåºåãã¦ããURLã¯ãã¡ãã ãã©ã³ãåãåºåããSinatraã®ã³ã¼ã ãããªæãã§åºåããããã«æ¸ããã require 'rubygems' require 'sinatra' require 'RMagick' get '/font_list' do font_list = [] Magick.fonts.each do |fon
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