| #!/bin/bash |
| |
| cd $(dirname $0)/reference || exit |
| |
| pdiff=$1 |
| [ -n "$pdiff" ] || pdiff=../pdiff/perceptualdiff |
| if [ ! -e "${pdiff}" ]; then |
| echo "Error: requires pdiff executable" |
| exit 128 |
| fi |
| |
| for file in *.ref.png; do |
| test=$(echo $file | cut -d'.' -f1) |
| target=$(echo $file | cut -d'.' -f2) |
| format=$(echo $file | cut -d'.' -f3) |
| notes="" |
| ref="" |
| result="" |
| |
| if [ $target = 'base' ]; then |
| # Ignore the base images for this script's purposes |
| continue |
| elif [ $target = 'ref' ]; then |
| # This is actually the baseline reference image |
| continue |
| elif [ $format = 'ref' ]; then |
| # This is either a format-specific reference, or a target-specific/format-generic image |
| # In either case, compare it against the generic reference image |
| ref="$test.ref.png" |
| else |
| # Prefer the target-specific/format-generic reference image, if available |
| ref="$test.$target.ref.png" |
| if [ ! -e $ref ]; then |
| ref="$test.$format.ref.png" |
| fi |
| fi |
| |
| # Special cases |
| if [ $test = "create-from-png" ]; then |
| # The create-from-png test utilizes multiple reference images directly |
| continue |
| elif [ $test = "fallback-resolution" ]; then |
| # The fallback-resolution test generates a set of reference images; |
| # These won't be redundant with one another, but just ignore them all. |
| continue |
| fi |
| |
| if [ -e $ref ]; then |
| if cmp --silent "$ref" "$file" ; then |
| printf "redundant: %s and %s are byte-by-byte identical files\n" $file $ref |
| else |
| # Run perceptualdiff with minimum threshold |
| pdiff_output=$($pdiff $ref $file -threshold 1) |
| result=${pdiff_output%:*} |
| notes=$(echo "${pdiff_output#*: }" | tail -n 1) |
| if [ "$result" = "PASS" ] && [ "$notes" = "Images are binary identical" ]; then |
| printf "redundant: %s and %s are pixel equivalent images\n" $file $ref |
| notes="" |
| fi |
| fi |
| fi |
| |
| done |
