607 B
607 B
how to imagemagick
quick dozens write this shit down before you forget
- resize an image
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convert -resize 800 in.png out.png
- do a watermark
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composite -compose multiply -gravity center -geometry +0+0 watermark.png page.png out.png
- convert pdf pages to individual png (accounting for weird transparency stuff)
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convert pages.pdf -quality 50 -background white -alpha remove -alpha off pages.png
- gif shit
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convert -delay 2 -loop 0 *.jpg -layers Optimize out.gif
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convert file.gif frames.png
- dither and reduce colors
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convert image.png -quality 70 +dither -remap netscape: out.png