To the west of the 5 skeleton warrior room, a chamber full of bats appeared, and the doorway slammed shut behind me. I had a key, I could have ignored them, but I wanted to know what would reveal itself if they were all slain. It cost me dear health, but the chamber door opened.
I was using gifBrewery because I knew how to resize a gif with it quickly. When I’m not cropping a to an artistic subset of the image, doing the whole process with the handful of lines of ImageMagick needs goes much more quickly.
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| mogrify *.png -gravity South -crop 1200×860+0+0 +repage *.png | |
| convert -delay 50 *.png -colors 256 -loop 0 toT5_50.gif | |
| convert toT5_50.gif -resize 310×215 tot5_50_tumb.gif | |
| #Also could have used percentage resize: | |
| #convert toT5_50.gif -resize 25% -colors 256 toT5_50_tumb.gif |
Notice the use of mogrify to do the batch process at the beginning… That was the tricky part.
References Used:
http://www.tjhsst.edu/~dhyatt/supercomp/n401a.html
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| gifify() { | |
| if [[ -n "$1" ]]; then | |
| if [[ $2 == '–good' ]]; then | |
| ffmpeg -i $1 -r 10 -vcodec png out-static-%05d.png | |
| time convert -verbose +dither -layers Optimize -resize 600×600\> out-static*.png GIF:- | gifsicle –colors 128 –delay=5 –loop –optimize=3 –multifile – > $1.gif | |
| rm out-static*.png | |
| else | |
| ffmpeg -i $1 -s 600×400 -pix_fmt rgb24 -r 10 -f gif – | gifsicle –optimize=3 –delay=3 > $1.gif | |
| fi | |
| else | |
| echo "proper usage: gifify <input_movie.mov>. You DO need to include extension." | |
| fi | |
| } |
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| brew install ffmpeg | |
| brew tap phinze/homebrew-cask | |
| brew install brew-cask | |
| brew cask install x-quartz | |
| open /usr/local/Cellar/x-quartz/2.7.4/XQuartz.pkg | |
| # click through the stuff | |
| brew install gifsicle | |
| brew install imagemagick | |
| # I had a weird problem with Convert/imagemagick where I had to do: | |
| ln -s /usr/local/Cellar/libtool/2.4.2/lib/libltdl.7.dylib libltdl.7.dylib | |
| # But hopefully you don't have to |
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| # Take screencast using Quicktime. Export as high quality as possible. | |
| gifify screencap.mov | |
| gifify screencap.mov –good |
http://stackoverflow.com/questions/18197253/imagemagick-convert-individual-frame-delay-in-gif
http://www.imagemagick.org/Usage/resize/
Link's Travelogue 