And just in case someone would not know 'convert', that is one of the
ImageMagick tools.
On 6/26/19 5:26 PM, Stéphane Chauveau wrote:
convert -negate -size 512x512 pattern:checkerboard A.png
convert -size 512x512 gradient: B.png
convert \
-negate -size 512x512 pattern:checkerboard \
-size 512x512 gradient: \
-compose Mathematics -define compose:args="0,1,0.2,-0.1" -composite \
-depth 8 -define png:color-type=2 range-pattern.png
_______________________________________________
ffmpeg-user mailing list
[email protected]
https://ffmpeg.org/mailman/listinfo/ffmpeg-user
To unsubscribe, visit link above, or email
[email protected] with subject "unsubscribe".
