https://aznot.com/index.php?action=history&feed=atom&title=ImageMagick 2026-04-30T09:03:28Z Revision history for this page on the wiki MediaWiki 1.41.0 https://aznot.com/index.php?title=ImageMagick&diff=452&oldid=prev 2014-07-15T21:46:25Z

<p><span dir="auto"><span class="autocomment">Watermark Text</span></span></p> <p><b>New page</b></p><div>== ImageMagick ==<br /> <br /> ImageMagick: Convert, Edit, Or Compose Bitmap Images - http://www.imagemagick.org/‎<br /> <br /> ImageMagick: Scripts - http://www.imagemagick.org/script/index.php<br /> <br /> == Installation ==<br /> <br /> === Installing from Yum ===<br /> <br /> yum install ImageMagick<br /> <br /> === Installing from Source ===<br /> <br /> ImageMagick: Install from Source - http://www.imagemagick.org/script/install-source.php#unix<br /> <br /> Example of compiling version 6.6.7-0:<br /> <br /> wget ftp://ftp.imagemagick.org/pub/ImageMagick/ImageMagick.tar.gz<br /> tar xvfz ImageMagick.tar.gz<br /> cd ImageMagick-*<br /> ./configure --prefix=/opt/ImageMagick<br /> make<br /> sudo make install<br /> <br /> == Resize Image ==<br /> <br /> convert -resize 440 ubuntu1.jpg ubuntu1.jpg<br /> <br /> References:<br /> * Resize and Watermark Images in Linux | SavvyAdmin.com - http://savvyadmin.com/resize-and-watermark-images-in-linux/<br /> <br /> == Image Composite ==<br /> <br /> === Watermark Image ===<br /> <br /> Watermark and Merge Photos<br /> <br /> while true ; do x=$(( 50 + $RANDOM % 600)) ; y=$(( 50 + $RANDOM % 400)) ; composite -dissolve 20% -geometry +$x+$y -quality 100 ghost1_2.png camera.jpg out.jpg ; sleep .5 ; done<br /> <br /> composite -dissolve 50% -quality 100 lnl.png fu.jpg output.jpg<br /> <br /> composite -dissolve 50% -gravity center -quality 100 Watermark.png Tux.jpg Tuxwm.jpg<br /> <br /> composite -dissolve 50% -gravity center -quality 100 \( Watermark.png -resize 50% \) Tux.jpg Tux.jpg<br /> <br /> composite -compose atop -geometry -13-17 white-highlight.png red-circle.png red-ball.png<br /> <br /> composite -compose atop -geometry +75 -gravity southeast ./watermark.png ./photo.jpg ./photo-watermarked.jpg<br /> <br /> composite -compose bumpmap -gravity southeast watermark.jpg input.jpg output.jpg<br /> <br /> montage Pic1.jpg Pic2.jpg -geometry +2+2 Result.png<br /> <br /> References:<br /> * ImageMagick: Command-line Tools: Composite - http://www.imagemagick.org/script/composite.php<br /> * How To Watermark Images With ImageMagick in Linux : Tux Tweaks - http://tuxtweaks.com/2009/08/howto-watermark-images-imagemagick-linux/<br /> * How to automatically watermark or batch watermark photos using ImageMagick | xoogu - http://www.xoogu.com/2013/how-to-automatically-watermark-or-batch-watermark-photos-using-imagemagick/<br /> * How do I create watermark with ImageMagick’s composite command in Linux? - http://www.cyberciti.biz/faq/how-do-i-create-watermark-with-imagemagicks-composite-command-in-linux/<br /> * Merge photos with ImageMagick « Marcos Orfila - http://www.marcosorfila.com/site/unir-fotos-con-imagemagick/<br /> <br /> === Watermark Text ===<br /> <br /> convert -size 500x404 xc:transparent -font Courier-bold -pointsize 25 -fill SlateBlue1 -draw &quot;text 230,375 &#039;linuxandlife.com&#039;&quot; output.png<br /> composite -dissolve 50% -quality 100 lnl.png fu.jpg output.jpg<br /> <br /> References:<br /> * Use Imagemagick to add watermark to images ~ Linux and Life - http://www.linuxandlife.com/2012/07/use-imagemagick-to-add-watermark-to.html<br /> <br /> Date Stamp Photos: [http://www.raspberrypi.org/forums/viewtopic.php?f=43&amp;t=45149]<br /> convert -pointsize 65 -font /usr/share/fonts/truetype/ttf-dejavu/DejaVuSans.ttf -fill white -stroke black -strokewidth 1 \<br /> -draw &quot;text 10,230 \&quot;$(date &quot;+%H:%M %d.%m.%Y&quot;|sed -e &#039; s/\&quot;/\\\&quot;/g&#039; )\&quot;&quot; /var/www/feeder1.jpg /var/www/feeder2.jpg <br /> <br /> #!/bin/bash<br /> datte=$(date)<br /> convert -pointsize 22 -fill white -draw &#039;text 2270,1940 &quot;&#039;&quot; $datte&quot;&#039; &quot; &#039; /root/minute.jpg /root/snapshot3.jpg<br /> <br /> More Date Stamp Examples: [https://www.imagemagick.org/discourse-server/viewtopic.php?f=1&amp;t=24754]<br /> date_time=$(date)<br /> convert PICT0001.JPG -font Arial -pointsize 20 -fill yellow -annotate +450+440 &quot;$date_time&quot; PICT0001_trans.jpg<br /> <br /> == Image Compare ==<br /> <br /> Differences highlighted in red:<br /> compare img1.jpg img2.jpg out.jpg<br /> <br /> Black and white compare (easier to see differences)<br /> compare -highlight-color White -lowlight-color Black img1.jpg img2.jpg out.jpg<br /> <br /> Better option is to do a difference composite:<br /> composite -compose difference img1.jpg img2.jpg out.gif<br /> <br /> References:<br /> * Comparing -- IM v6 Examples - http://www.imagemagick.org/Usage/compare/</div>

Kenneth