#!/bin/sh # # Script for screenshot report: # - compares images in current dir to references images # - reports images that are in reference subdir, # but not in current dir and images for which # there are no reference images. # # Copyright (C) 2012 by Eero Tamminen # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. if [ -z "$(ls *.png *.bmp 2>/dev/null)" ]; then echo "ERROR: no screenshots!" echo echo "Run this from a directory with PNG/BMP screenshots" echo "to get HTML report showing them, which of them differ" echo "from the similarly named screenshots in 'reference'" echo "directory etc." exit 1 fi report="screenshot-report.html" refdir=reference difdir=difference title="Screenshot comparison report" cat > $report << EOF $title

$title

Contents:

Missing screenshots
Mismatched screenshots
Matching screenshots
New screenshots

EOF get_name () { name=$1 name=${name%.png} name=${name%.bmp} } missing="" mismatched="" matching="" new="" # images in reference dir, but not in current one for refimg in $(ls $refdir/*.png $refdir/*.bmp 2>/dev/null); do img=${refimg##*/} if [ \! -f "$img" ]; then missing="$missing $img" continue fi done echo "

Missing screenshots

" >> $report if [ -z "$missing" ]; then echo "None." >> $report else echo "

$name" >> $report done echo "

" >> $report echo "Missing:" echo $missing fi # images that don't match the references ones for img in $(ls *.png *.bmp 2>/dev/null); do refimg=$refdir/$img if [ \! -f "$refimg" ]; then new="$new $img" continue fi cmp $img $refimg > /dev/null if [ $? -eq 0 ]; then matching="$matching $img" continue fi mismatched="$mismatched $img" done echo "

Mismatched screenshots

" >> $report if [ -z "$mismatched" ]; then echo "None." >> $report else echo "

Images which PNG/BMP screenshot file isn't exactly the same as the reference file" >> $report echo "(the image content could still be identical although the files aren't, due to changes e.g. in compression)." >> $report #echo "Left = new image, middle = difference, right = reference image:" >> $report echo "

Left = new image, right = reference image:" >> $report mkdir -p $difdir for img in $mismatched; do refimg=$refdir/$img get_name $img diff=$difdir/$name.png # disable compare usage, it gets stuck with TT mono images #compare $img $refimg $diff #if [ $? -eq 0 ]; then # echo "

$name

" >> $report #else echo "

$name

" >> $report #fi done fi echo "

Matching screenshots

" >> $report if [ -z "$matching" ]; then echo "None." >> $report else echo "

$name" >> $report done echo "

" >> $report fi echo "

New screenshots

" >> $report if [ -z "$new" ]; then echo "None." >> $report else msg="

These are candidates to be moved to the '$refdir' directory:" echo "

$msg" >> $report for img in $new; do get_name $img echo "

$name

" >> $report done echo $msg echo $new fi echo "" >> $report # show the report in the preferred HTMl viewer xdg-open $report