Legacy ImageMagick Discussions Archive

This looks better:

convert src.png ^
( -clone 0 -alpha extract -shade 135x45 -auto-gamma -auto-level ) ^
( -clone 0-1 -compose Overlay -composite ) ^
( -clone 0 -alpha extract -transparent white ) ^
-delete 0-1 -compose over ^
-alpha off -compose copy_opacity -composite ^
src_t.png

After trying many times, this is my result:

Command(windows):

convert src.png ^
( -clone 0 -alpha extract -shade 135x45 -auto-gamma -auto-level ) ^
-compose Overlay -composite ^
-fill none -draw "color 3,3 replace" ^
src_final.png

Nodejs:
gm().command('convert')
.in(src_file)
.in('-alpha ...

Original:
https://s3.amazonaws.com/common-content ... ev/src.png

Expected:
https://s3.amazonaws.com/common-content ... target.png

Thanks.