Imagemagickã®ä½¿ãæ¹æ¥æ¬èªããã¥ã¢ã« æ¥æ¬èªã®ããã¥ã¢ã«ãå°ãªãç»åå å·¥ãã¼ã«ImageMagickã®ä½¿ãæ¹ããåå¿è ã®æ¹ã«ã解ãããããã詳ããä¸å¯§ã«è§£èª¬ãã¦ãã¾ãã
次ã«ãImageMagickã使ã£ã¦ç»åã®ãã©ã¼ããããã«ã©ã¼æ å ±ãå¤æããæ¹æ³ãè¨è¼ãã¾ãã 1. ãã©ã¼ãããå¤æ convertãcompositeã使ç¨ãã¦ç»åãå¤æã»åæããéã以ä¸ã®ããã«<å¤æåã®ç»å>ã®ãã¡ã¤ã«å½¢å¼ã¨ã<å¤æå¾ã®ç»å>ã®ãã¡ã¤ã«å½¢å¼ãç°ãªãå½¢å¼ã«ãããã¨ã«ãããImageMagickãç»åã®æ¡å¼µåãèªåå¤å¥ããã¡ã¤ã«å½¢å¼ãå¤æãã¦ããã¾ãã åç´ã«ãã¡ã¤ã«å½¢å¼ã®å¤æã®ã¿ã®å ´åã(ãªãã·ã§ã³)ã®å ¥åã¯å¿ è¦ããã¾ããã ImageMagickã§ã¯100種é¡ä»¥ä¸ã®ãã¡ã¤ã«å½¢å¼ã«å¯¾å¿ãã¦ãããã¨ãããã<å¤æå>ã¨<å¤æå¾>ã®ãã¡ã¤ã«å½¢å¼ã®ç¸æ§ããééã®æç¡ãç»åã®ãããã¡ã¤ã«æ å ±çã®å½±é¿ã§ããã¾ãå¤æãã§ããªãå ´åãããã¾ãã çè ãèæ¯ã®ééããPNGãJPEGã¸å¤æããéã«èæ¯ãé»ããªã£ã¦ãã¾ãããã¾ããããªããã¨ãããã¾ããã ããã§ãäºãç»åã¨åããµã¤ãºã®
convert    <å¤æåã®ç»åå>    -background  (color)  [ -gravity  (position) ] -extent  (width) x (height)    <å¤æå¾ã®ç»åå> ä¾ï¼convert before.jpg -background none -gravity center -extent 160Ã130 after.png â¼å®è¡çµæ ç»åèªä½ããªãµã¤ãºãããã¨ãªããç»åå ¨ä½ã®ãµã¤ãºãå¤æ´ããã«ã¯-extentã使ç¨ãã¾ãã ä¸è¨ä¾ã§ã¯ã150x100pixelã®å ç»åã®åæ¹ã«ä½ç½ã足ãã160x130pixelã®ç»åã«å¤å½¢ãã¦ãã¾ãã -backgroundã§ãä½ç½é¨åã®ã«ã©ã¼ãæå®ãããã¨ãã§ãã¾ããnoneãæå®ãããã¨ã§éæã¨ãªããpngãªã©ã®ééãä¿æã§ããç»åå½¢å¼ã§æ¸ãåºããã¨ã§ãä¸è¨ã®ãããªç»åã¨ãªãã¾ãã -grav
çµè«ããè¨ãã¨... Imagemagickã®ãã¼ã¸ã§ã³ã6ã«ä¸ããã¨ãã¤ã³ã¹ãã¼ã«ã§ããããã«ãªãã RMagickã¯Imagemagickã®ãã¼ã¸ã§ã³7ã«å¯¾å¿ãã¦ããªã模æ§ã RMagickã使ç¨ããã«ã¯ãImageMagickã¨ããç»åå¤æãã¼ã«ããã½ã³ã³å ã«ã¤ã³ã¹ãã¼ã«ããå¿ è¦ããããã ãbrew install imagemagickãã§Imagemagickãã¤ã³ã¹ãã¼ã«ããã¨ãã¼ã¸ã§ã³ã¯7ã«ãªã£ã¦ãã¾ãã®ã§æ³¨æã æ¢ã«ã«å ¥ã£ã¦ãããã¼ã¸ã§ã³ã7ã®å ´åã¯ããã¼ã¸ã§ã³ãä¸ãã¾ãããã rmagickã¤ã³ã¹ãã¼ã«é¢ä¿ã§åèã«ãªãQiitaè¨äºãªã³ã¯ãæå¾ã«ã¾ã¨ãã¾ããã æ¬è¨äºã®ã¨ã©ã¼ä»¥å¤ã§èºãã¦ããæ¹ã¯ããã¡ãããåç §ãã ããã ç°å¢ macOS Sierra:ã10.12.2 Ruby:ã2.3.1 Rails:ã5.0.1 bundle install "rmagick"ã§
Deleted articles cannot be recovered. Draft of this article would be also deleted. Are you sure you want to delete this article? Railsããã¼ã«ã«ã«è½ã¨ã㦠bundle install ããæã«ä»¥ä¸ã®ãããªã¨ã©ã¼ãåºãã $ bundle install ... ... Gem::Ext::BuildError: ERROR: Failed to build gem native extension. /Users/USERNAME/.rbenv/versions/2.2.1/bin/ruby -r ./siteconf20150428-22330-11fwtg6.rb extconf.rb checking for clang... yes checkin
convert.exeã§ã¯ãªãmontage.exeã使ãã¾ãã montage -tile 6x8 -geometry 100x100+5+5 -background "#000000" -bordercolor "#ffffff" -border 2 *.png out.bmp
ãªãã·ã§ã³ã®ä¸ã«ã¯ãå ±éãã¦ä½¿ããããã¨ãå¤ããªãã·ã§ã³ãããã¤ãããã¾ãã ä»å¾ããæ·±ãå 容ã«å ¥ã£ã¦ããåã«ããããã£ããªãã·ã§ã³ãå¹¾ã¤ãç´¹ä»ãããã¾ãã 1. ä½ç½®ãæå®ãã ä½ç½®ã®åºæºãæå®ããéã«ã¯ã-gravityã使ç¨ãã¾ãã ç»åãéãåãããããç»åãåãæãããããéã«ã©ããåºæºã¨ãã¦å®è¡ããããæ示ããããã®ãªãã·ã§ã³ã§ãã ä¸è¨ä¾ã§ã¯-compositeã使ç¨ãã¦ã2æã®ç»åã1æã«åæãã¦ãã¾ãã åæããéã«åºæºã¨ããä½ç½®ã-gravityã使ã£ã¦æ示ãã¦ãã¾ãã ãã®ä¾ã®å ´åã¯ã-gravityã®å¤ã¨ãã¦southeastï¼åæ±ï¼ãæå®ãã¦ãããããå³ä¸ã«ç»åãåæããã¦ãã¾ãã -gravityã«æå®ã§ããå¤ã¯ä»¥ä¸ã®ãããªç¨®é¡ãããã¾ãã northwest (å西=å·¦ä¸) north (å=ä¸) northeast (åæ±=å³ä¸) west (西=å·¦) ea
bundle installã§RMagickãã¤ã³ã¹ãã¼ã«ä¸ã«ã¨ã©ã¼ãçºçããã®ã§ããã®è§£æ±ºæ³ã«ã¤ãã¦ã¡ã¢ã£ã¦ããã¾ãï¼ ä»¥ä¸ãbundle installä¸ã®ã¨ã©ã¼ã¡ãã»ã¼ã¸ï¼ Installing rmagick (2.13.1) with native extensions Gem::Installer::ExtensionBuildError: ERROR: Failed to build gem native extension. /Users/ã¦ã¼ã¶å/.rbenv/versions/1.9.3-p194/bin/ruby extconf.rb checking for Ruby version >= 1.8.5... yes extconf.rb:128: Use RbConfig instead of obsolete and deprecated Config. chec
ã¡ãã£ã¨EPSãã¡ã¤ã«ããJPEGãã¡ã¤ã«ã¸LINUXãµã¼ãã¼ä¸ã§å¤æããæ¹æ³ãæ¢ãã¦ããã®ãã¡ã¢ PHPããè¡ãããã£ãããããªé¢æ°ã¯ãã¡ããç¡ãã¨æãã®ã§ãä½ãã¢ããªãå ¥ãã¦ã³ãã³ããã対å¿ããæ¹åã§èª¿æ»ããã çµå±è¾¿ãã¤ããã®ã¯ãGhostscriptãã¨ãããã® Ghostscript http://ja.wikipedia.org/wiki/Ghostscript ã©ã¤ã»ã³ã¹ã¯GPLã¿ããã ã©ã¤ã»ã³ã¹GPLããããã解ãããGPLã¯è¯ãè¦ãã®ã§OKã ãããããããã æ¯åãã®ã©ã¤ã»ã³ã¹ã«ã¤ãã¦èª¿ã¹ããã©æ確ãªåçããªããªãåºãªãããã 使ãæ¹ã¯ä¸è¨ã®ããã«gsã¨ããã³ãã³ãã§è¡ãããã§ããã gs -sDEVICE=jpeg -dJPEGQ=100 -dNOPAUSE -dBATCH -dSAFER -r300 -sOutputFile=myfile.jpg myfile.ep
ä»åãã¾ãã¤ã¾ããã¾ããо(жï¼â½ï¼)ï½ â Windowsï¼ï¼ï¼ï¼ãµã¼ãä¸ã§ãVBSã«ã¦ImageMagickãå©ç¨ãã¦EPSç»åããJPEGç»åãå¤æãã¦ããã¾ããã ã¤ãæè¿ã¾ã§ããã¾ãã³ã³ãã¼ãã§ãã¦ããã®ã§ãããå¤æããJPEGç»åãIEã§è¡¨ç¤ºã§ããªãç¾è±¡ãã§ã¦ãã¾ããã EPSç»åï¼CMYK)ãâãJPEGç»åï¼ã°ã¬ã¼ã¹ã±ã¼ã«ï¼ ããã EPSç»åï¼CMYK)ãâãJPEGç»åï¼CMYKï¼ ããã§ã¯ããã¾ããããã§ããã ã³ãã³ãã¯ãããconvert.exe aaa.eps bbb.jpg ããã§ãã¾ããã£ã¦ããã®ã§ãããããã ã¨ããããããªããã·ã¹ãã ãå£ãã¦ãããããããªãã®ã§åèµ·åï¼ ã¤ã¥ãã¦ãImegeMagickãææ°ã®ãã®ã«ã¤ã³ã¹ãã¼ã« ãï½ï½ã(ï¿£_ï¿£ i) ãªãã ãã ã³ãã³ãããã«ãã¹ã§æ¸ãã¦ããã£ã¨ãã¡ã¤ã«ãã§ããããã«ãªã£ããã§ãJPEGãè¦ãã ã³ã
ãªãªã¼ã¹ãé害æ å ±ãªã©ã®ãµã¼ãã¹ã®ãç¥ãã
ææ°ã®äººæ°ã¨ã³ããªã¼ã®é ä¿¡
å¦çãå®è¡ä¸ã§ã
j次ã®ããã¯ãã¼ã¯
kåã®ããã¯ãã¼ã¯
lãã¨ã§èªã
eã³ã¡ã³ãä¸è¦§ãéã
oãã¼ã¸ãéã
{{#tags}}- {{label}}
{{/tags}}