è²ã ããã¿ããã§æåGraphicsMagick for node.jsãªgmã¨ããã¢ã¸ã¥ã¼ã«è©¦ããã®ã§ããããµã³ãã«éãã«ãã£ã¦ããªãµã¤ãºåºæ¥ãªãã£ãã®ã§ãNODE.JS MODULESã®resizeã¿ã°ã§ä¸çªä¸ã«ãã£ãeasyimageã試ããããæå³ããããã«åä½ããã®ã§ãã¡ããå©ç¨ãã¾ããã ã©ãã§ããããã©ãè¤æ°ã®ç»åãã¡ã¤ã«ããªãµã¤ãºããããªã£ãã®ã¯ãFacebookã°ã«ã¼ãã«ã¢ãããããåçãããã¤ããã£ãã®ã§ãããå ç»åã®è§£å度ãé«ãã£ãã®ã¨ãã¹ããã©ããã¶ãªã³ã°ãã¦å©ç¨ãã¦ã¦ããããªã«åç·éããªãç°å¢ã ã£ããã¨ãããããªãµã¤ãºãããã£ãããã å©ç¨ããããã®æºå ããã¥ã¡ã³ãã«ãæ¸ãã¦ããã¾ããããã®ãããã®ç»åå¦çãªã¢ã¸ã¥ã¼ã«ã¯ImageMagickãå©ç¨ãã¦å¦çããããã§ãã¾ããããã¤ã³ã¹ãã¼ã«ããã¦ãã®ãåæã¨ã®ãã¨ã imagemagickã®ã¤ã³ã¹ãã¼ã« 以åèªå
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ç°¡åã«éããæ¸ã㨠Imagerã¯ã¤ã³ã¿ã¼ãã§ã¼ã¹ããã£ãã Image::Magickã¯ãªããæ¯ãã¦ã é度ã¯ããã¾ããããªã ãã¡ã¤ã«èªã¿è¾¼ã¿ãæ¸ãåºããã¨ã©ã¼åºå Imager my $img = Imager->new; $img->read(file => $filename) or warn $img->errstr; $img->write(file => $filename) or warn $img->errstr; Image::Magick my $img = Image::Magick->new; $err = $img->Read($filename); $err = $img->Write($filename); $err = $img->Read('-'); # æ¨æºå ¥åããèªã¿è¾¼ã¿ $err = $img->Write('png:-'); # æ¨æºåºåã¸æ¸ã
â è¤æ°ã®zipãã¡ã¤ã«ãunzipãã forã使ãã°ã¾ããããã ãã©ãunzipã«ã¯ãªããwildcardå¦çãå èµããã¦ããã % unzip '*.zip' ã¨ããã°å ¨zipãå±éãããã % ls a.zip b.zip c.zip % unzip *.zip Archive: a.zip caution: filename not matched: b.zip caution: filename not matched: c.zip quoteããªãã¨å¼æ°ã¨ãã¦æ¸¡ãã®ã§ã unzip a.zip b.zip c.zipã¨å®è¡ããã®ã¨åãã a.zipã®ä¸ã®b.zipã¨c.zipãå±éããã¨ããæå³ã«ãªãã¨ã©ã¼ã«ãªãã â éè¤ãã§ã㯠ä¾ã®1.1ãã2.0ã§ååæ¼ç®ã§æ大ååé¡ã解ãã¦ã¦ã1.8ãããã£ã¦ãã¾ã£ãã®ã§ãã§ãã¯ããããã¨ãã話ã å®éã«åéãããã®ã¯ãããªå¼ãªãã
ã¹ãã£ã³ããç»åãèªã¿æãããããã®å¾å¦çãä¸ã®ä¸ã§ã©ã®ããã«è¡ããã¦ããã調ã¹ã¦ã¿ããèªåç¨ã®ããã¯ãã¼ã¯ã§ãããã jarp,ãã 150 dpiã§ã¹ãã£ã³ãããã300 dpiã§ã¹ãã£ã³ãã¦16é調ã«ããã»ãããµã¤ãºãå°ãã - jarp, convert in.png -deskew 40% -level 30%,100% -sharpen 5 \ -density 150x150 -colorspace gray -resize 514x751! -depth 4 out.png -deskewã«ããå¾ãè£æ£ããããããã®éã«ã¼ãããã-sharpen 5ã§ã¼ãè£æ£ããã¦ããã ã¹ãã£ã³ã¯æ¨ªåã㧠- jarp, r=90 for i in .png;do convert $i -rotate $[r=-1] r90-$i; done 縦é·ã®ç´é¢ã横åãã§ScanSnapã«ããã
è¤æ°ã®ç»åãããµã ãã¤ã«ãä½æããéã«ç¸¦é·ç»åã横é·ç»ååããä¸å¤®é¨åãæ£æ¹å½¢ã§åãæãä½æãã¾ãã Examples of ImageMagick Usage ãåèã«ããã¦é ãã¾ããã ImageMagickã¯å¥¥ãæ·±ãã§ããã ãµã³ãã«(Windowsç) montage.exe -tile 4x2 -resize 160x -resize "x160<" -resize 50%% -gravity center -crop 80x80+0+0 -geometry 80x80+10+10 -background "#999999" -bordercolor "#ffffff" -border 5 -quality 75 *.jpg thumbnail%03d.jpg ã¾ã-resize 160x ã¨ããæå®ã§ãæ¯çãä¿æããã¾ã¾æ¨ªå¹ 160pxã¸ç¸®å°ãã -resize "x160<"ã§
ImageMagickã®montageã³ãã³ãã試ãã¦ã¿ã¾ããã montageã¯è¯ãå©ç¨ãããconvertã¨ã¯ç°ãªããè¤æ°ã®ç»åã縮å°ãã¤ã¤1æã®å¤§ããªç»åã«æ´åãã¦åãè¾¼ãã¨ãã£ãæãã®æ©è½ãæãã¦ãã¾ãã ãµã³ãã«(Windowsç) montage.exe -geometry 100x100+5+5 -tile 3x3 -background "#999999" -bordercolor "#ffffff" -border 2 -quality 75 *.jpg thumbnail%03d.jpg ä¸ã®ä¾ã¯Windowsç(6.2.9)ã§ãã -geometry 100x100+5+5 ã¯100x100ãµã¤ãºã¸ç¸®å°ããä¸ä¸å ±ã«5pxã®ä½ç½ä»ä¸ -tile 3x3ã¯3åx3è¡ã§æ大9æã®ç¸®å°ç»åã1æã¸å¤æããã -background ã§èæ¯è² -border 2ã¯ç¸®å°ç»åå¨è¾ºã®
æè¿ãMacBook Airã§ã¯ãªãã¦MacBookãè³¼å ¥ãã¦Macçæ´»ãã¨ã³ã¸ã§ã¤ä¸ã®ç¬¹äºã§ãã é·å¹´ä½¿ç¨ãã¦ããWindowsããã®ä¹ãæãã®ãããé常ã«æ £ããªãæ¥ã ãéããã¦ãã¾ããããå¾ã ã«Macã®ç°å¢ã«ãæ £ãã¦ãã¾ãã^^ ãã¦ãPHPã§ç»åå¦çãè¡ãã¨ããã°ãGDã©ã¤ãã©ãªãæåã§ãã GDã§ãç»åã«å¯¾ãã¦å¦çãå ãã¦ãµã ãã¤ã«ãªã©ã®ä½æã容æã«è¡ãã¾ãã ãã®ä»ã«ããPHPã®ã¨ã¯ã¹ãã³ã·ã§ã³ã¨ãã¦ãimagickãã¨ããç»åã©ã¤ãã©ãªãç¨æããã¦ãããç»åå¦çã«é¢ãã¦ã¯çµæ§å å®ãã¦ããã¾ãã ä»åã¯ãGDãimagickãPHPãã使ç¨ããã®ã§ã¯ãªãImageMagickãCL(ã³ãã³ãã©ã¤ã³)ã§æä½ãã¦æ§ã ãªç»åã®å¦çãè¡ã£ã¦ã¿ããã¨æãã¾ãã ç»åã®å¦çãè¡ãImageMagickã®ã³ãã³ãã¯ããããããã¾ãããä»åã¯ãconvertãã³ãã³ãã®ã¿ã使ç¨ãã¦ä½æãã¦ããã¾
ä¸è¬çã« ImageMagick ã®ãµã ãã¤ã«ç»åçæã¯é ãã¨ããã¦ãããããã©ã¼ãã³ã¹ãæ±ããããã·ã¼ã³ã§ã¯ Imlib2 ãªã©ã®ããé«éãªç»åå¦çã©ã¤ãã©ãªã使ããããã¨ãå¤ãã§ãã Imlib2 ã®é«éãã«ã¤ãã¦ã¯ã以åãImlib2ã§ImageMagickãã3åé«éãã¤ç¾ãããµã ãã¤ã«ç»åã®çæ - åºã®ãã«ã¹ãã¤ãã²ã¤ã¨ããã¨ã®ãã¨ãã¨ããè¨äºã§ç´¹ä»ãã¾ããããã®è¨äºã®ãã³ããã¼ã¯ã«ããã¦ãImlib2 ã«ãããµã ãã¤ã«ç»åã®çæã¯ã ImageMagick ã®3åç¨é«éã§ããã ãããã ImageMagick 㯠Imlib2 ããç»è³ªããããé«æ©è½ã§ä½¿ãããããä»ãé »ç¹ã«ã¡ã³ããã³ã¹ããã¦ãããã¨ã¦ãããåºæ¥ã¦ãã¾ãããã®ç¹ Imlib2 ã¯ã2004å¹´ããã¡ã³ããã³ã¹ããã¦ããããã»ãã¥ãªãã£ãã¼ã«ãè¦ã¤ãã£ã¦ããåLinuxãã£ã¹ããªãã¥ã¼ã·ã§ã³ãããããããããå½ã¦
åçç»åã®Exifæ å ±ããæ®å½±æ¥æ(DateTimeOriginal)ãåå¾ãã¦ãç»åãã¡ã¤ã«åã¸åæ (ãªãã¼ã )ããRubyã¹ã¯ãªãããæ¸ããã ã½ã¼ã¹ã³ã¼ãã #!/usr/bin/env ruby require 'date' require 'rubygems' require 'RMagick' def get_exif_date(filepath) begin photo = Magick::Image.read(filepath).first dto = photo.get_exif_by_entry('DateTimeOriginal') return DateTime.strptime(dto[0][1], '%Y:%m:%d %H:%M:%S') rescue return nil end end def get_new_file_path(filepath, date
æ¨æ¥ãããèªåã® Lion ç°å¢ä¸ã§ rmagick ã使ã Rails ãããã¯ãã® Bundle install æã«ã /Users/xxx/.rvm/rubies/ruby-1.9.2-p290/bin/ruby extconf.rb checking for Ruby version >= 1.8.5... yes checking for /usr/bin/gcc-4.2... yes checking for Magick-config... yes checking for ImageMagick version >= 6.4.9... yes checking for HDRI disabled version of ImageMagick... yes checking for stdint.h... *** extconf.rb failed *** Could no
ImageMagickã§Exifæ å ±ãåå¾ããã«ã¯ãidentifyã³ãã³ãã使ãã c:Â¥>identify -verbose a.jpg Image: small.jpg Format: JPEG (Joint Photographic Experts Group JFIF format) Class: DirectClass Geometry: 43x64+0+0 Resolution: 350x350 Print size: 0.122857x0.182857 Units: PixelsPerInch Type: TrueColor Endianess: Undefined Colorspace: RGB Depth: 8-bit Channel depth: red: 8-bit green: 8-bit blue: 8-bit Channel statistics: red:
JPEGç»åã®Exifæ å ±ãããä¾ãã°ç»åã®æ¹å(Orientation)ã ããåå¾ãããã¨ãã¯ããããã°ããã C:Â¥>identify -format "%[Exif:orientation]" a.jpg 8 çµæã"ï¼"ã®å ´åã¯ãç«ã£ã¦ãã人ãâãã®ãããªæãã«ãªã£ã¦ããç¶æ ã \ \ ---â / \ æè¨åãã«270âå転ãã¦ãããã°ããã è¤æ°ã®ç»åãä¸åº¦ã«èª¿ã¹ããã¨ãã§ããã C:Â¥>identify -format "%[Exif:orientation]Â¥n" a.jpg b.jpg 8 1 åè http://www.
There are copious amounts of extra data associated with images (metadata), beyond the actual image pixels. This metadata can be useful, either for display, or for various calculations, or in modifying the behavior of later image processing operations. You can utilize percent escapes in a number of options, for example in -format or in montage -label, to print various properties and other settings
1. The document discusses various image processing libraries and tools including Image::Magick, Imlib2, and Epeg. 2. It provides code examples for resizing, scaling, and writing images using these libraries. 3. Benchmark results are shown for operations performed with each library, such as reading and writing files, to compare performance.Read less
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