cd /var/tmp

convert -list font | wc -l  # ~ 200 lines of output

# Make sure that all the config files can be found. The next line should print

# no output

for i in $(convert -list list); do convert -list $i; done 2>&1 | grep 'convert: unable to access'

# List all xml files opened during the operation. Both files found and not

# found

A=$(

   for i in $(convert -list list); do

      truss -'t!all' -t open convert -list $i

   done 2>&1 |

   grep ".xml\"," |

   sed -e 's,.*/,,' |

   sort -u

)

# Sort the files to found ones and not found ones

FOUND=$( ggrep -P '\d$' <<<"$A" | sed -e 's/".*//' )

NOT_FOUND=$( ggrep -v -P '\d$' <<<"$A" | sed -e 's/".*//' )

# Now for every not_found file there has to be the same file found, else

# display it's name. The output should be empty

ggrep -F -x -v -f <(echo "$FOUND") <(echo "$NOT_FOUND")

convert -size 170x100 xc:black \

   -fill white -draw 'circle 50,50 13,50' \

   -draw 'circle 120,50 157,50' \

   -draw 'rectangle 50,13 120,87' \

   -fill black -draw 'circle 50,50 25,50' \

   -draw 'circle 120,50 145,50' \

   -draw 'rectangle 50,25 120,75' \

   -fill white -draw 'circle 60,50 40,50' \

   -draw 'circle 110,50 130,50' \

   -draw 'rectangle 60,30 110,70' \

   -gaussian 1x1 +matte logo_mask.png

convert logo_mask.png -background red -alpha shape \

   -font Times-Roman -pointsize 36 -fill white -stroke black \

   -gravity Center -annotate 0 "Ant" \

   logo.png

convert logo.png -alpha extract -blur 0x6 -shade 110x30 -normalize \

   logo.png -compose Overlay -composite \

   logo.png -alpha on -compose Dst_In -composite \

   logo_3D.png

convert logo_3D.png \( +clone -background navy -shadow 80x4+6+6 \) \

   +swap -background none -layers merge +repage logo_3D_shadowed.png

convert logo_3D_shadowed.png \

    \( +clone +repage -alpha off -fx 'rand()' -shade 120x30 \

    -fill grey70 -colorize 60 \

    -fill lavender -tint 100 \) \

    +swap -composite logo_3D_bg.jpg

# Now compare logo_3D_bg.jpg to the image at

# http://www.imagemagick.org/Usage/advanced/#3d-logos