image_magick_recipes
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— | image_magick_recipes [2012/06/11 16:42] (current) – created tkbletsc | ||
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+ | Rotating hue animation: | ||
+ | < | ||
+ | STEP=20 | ||
+ | DELAY=15 | ||
+ | echo Hue-shifting images in parallel... | ||
+ | for R in `seq -w 0 $STEP 200` ; do | ||
+ | (convert $1 -modulate 100,100,$R TEMP_$R.png ; echo Shift $R done) & | ||
+ | done | ||
+ | echo Waiting for jobs to finish... | ||
+ | wait | ||
+ | echo Jobs done, rendering animation... | ||
+ | convert -delay $DELAY -loop 0 TEMP_*.png $2 | ||
+ | rm TEMP_*.png | ||
+ | </ | ||
+ | " | ||
+ | convert in.gif -despeckle -edge 2 -channel G -function Polynomial 1,0 | ||
+ | convert in.gif -colorspace gray | ||
+ | convert fg.gif null: bg.gif -compose lighten -layers Composite out.gif | ||
+ | |||
+ | Greenify mode (light-on-dark stuff) | ||
+ | convert in.gif -colorspace gray | ||
+ | |||
+ | Inverse greenify mode (dark-on-light stuff) | ||
+ | convert in.gif -colorspace gray |
image_magick_recipes.txt · Last modified: 2012/06/11 16:42 by tkbletsc