X-Git-Url: https://git.sommitrealweird.co.uk/bpgallery.git/blobdiff_plain/d159b57ca37ebdb3b9a1ef690acb0010de5e3638..HEAD:/bpgallery.sh

diff --git a/bpgallery.sh b/bpgallery.sh
index 3350f20..c6dc4ad 100755
--- a/bpgallery.sh
+++ b/bpgallery.sh
@@ -1,25 +1,25 @@
 #!/usr/bin/env bash
 
 # bpgallery.sh - builds a simple 'gallery' from a collection of images
-# Copyright (C) 2004 Brett Parker <iDunno@sommitrealweird.co.uk>
+# Copyright (C) 2004-2008 Brett Parker <iDunno@sommitrealweird.co.uk>
 #
-# 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
+# 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
+# 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.
 # 
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+# You should have received a copy of the GNU General Public License along
+# with this program; if not, write to the Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 
 set -f
 
-VERSION="1.1.1+arch"
+VERSION="1.1.5"
 
 function bpgallery_default_head() {
 cat <<END
@@ -80,8 +80,9 @@ div.thumbnail {
 	float: left;
 	padding: 20px;
 	border: 0px;
-	width: ${WIDTH}px;
+	width: ${MAXWIDTH}px;
 	height: ${MAXHEIGHT}px;
+	text-align: center;
 }
 
 div.caption {
@@ -240,39 +241,150 @@ if [[ -z $TITLE ]]; then
 fi
 
 if [[ -z $CONVERTTOOL ]]; then
-	CONVERTTOOL=convert
+	hash convert
+	if [[ $? != 0 ]]; then
+		echo "Can't find convert, exiting"
+		exit 3
+	fi
+	CONVERTTOOL=$(hash -t convert)
+else
+	if [[ ! -x $CONVERTTOOL ]]; then
+		echo "Can't find convert at location $CONVERTTOOL, exiting"
+		exit 3
+	fi
 fi
 
 if [[ -z $FINDCOMMAND ]]; then
-	FINDCOMMAND=find
+	hash find
+	if [[ $? != 0 ]]; then
+		echo "Can't find find, exiting"
+		exit 3
+	fi
+	FINDCOMMAND=$(hash -t find)
+else
+	if [[ ! -x $FINDCOMMAND ]]; then
+		echo "Can't find find at $FINDCOMMAND, exiting"
+		exit 3
+	fi
 fi
 
 if [[ -z $XARGSCOMMAND ]]; then
-	XARGSCOMMAND=xargs
+	hash xargs
+	if [[ $? != 0 ]]; then
+		echo "Can't find xargs, exiting"
+		exit 3
+	fi
+	XARGSCOMMAND=$(hash -t xargs)
+else
+	if [[ ! -x $XARGSCOMMAND ]]; then
+		echo "Can't find xargs at $XARGSCOMMAND, exiting"
+		exit 3
+	fi
 fi
 
 if [[ -z $ECHOCOMMAND ]]; then
 	ECHOCOMMAND=echo
+else
+	if [[ ! -x $ECHOCOMMAND ]]; then
+		echo "Can't find echo at $ECHOCOMMAND, exiting"
+		exit 3
+	fi
 fi
 
 if [[ -z $SORTCOMMAND ]]; then
-	SORTCOMMAND=sort
+	hash sort
+	if [[ $? != 0 ]]; then
+		echo "Can't find sort, exiting"
+		exit 3
+	fi
+	SORTCOMMAND=$(hash -t sort)
+else
+	if [[ ! -x $SORTCOMMAND ]]; then
+		echo "Can't find sort, exiting"
+		exit 3
+	fi
 fi
 
 if [[ -z $IDENTIFYCOMMAND ]]; then
-	IDENTIFYCOMMAND=identify
+	hash identify
+	if [[ $? != 0 ]]; then
+		echo "Can't find indentify, exiting"
+		exit 3
+	fi
+	IDENTIFYCOMMAND=$(hash -t identify)
+else
+	if [[ ! -x $IDENTIFYCOMMAND ]]; then
+		echo "Can't find identify at $IDENTIFYCOMMAND, exiting"
+		exit 3
+	fi
 fi
 
 if [[ -z $HEADCOMMAND ]]; then
-	HEADCOMMAND=head
+	hash head
+	if [[ $? != 0 ]]; then
+		echo "Can't find head, exiting"
+		exit 3
+	fi
+	HEADCOMMAND=$(hash -t head)
+else
+	if [[ ! -x $HEADCOMMAND ]]; then
+		echo "Can't find head at $HEADCOMMAND, exiting"
+		exit 3
+	fi
 fi
 
 if [[ -z $GREPCOMMAND ]]; then
-	GREPCOMMAND=grep
+	hash grep
+	if [[ $? != 0 ]]; then
+		echo "Can't find grep, exiting"
+		exit 3
+	fi
+	GREPCOMMAND=$(hash -t grep)
+else
+	if [[ ! -x $GREPCOMMAND ]]; then
+		echo "Can't find grep at $GREPCOMMAND, exiting"
+		exit 3
+	fi
 fi
 
 if [[ -z $SEDCOMMAND ]]; then
-	SEDCOMMAND=sed
+	hash sed
+	if [[ $? != 0 ]]; then
+		echo "Can't find sed, exiting"
+		exit 3
+	fi
+	SEDCOMMAND=$(hash -t sed)
+else
+	if [[ ! -x $SEDCOMMAND ]]; then
+		echo "Can't find sed at $SEDCOMMAND, exiting"
+		exit 3
+	fi
+fi
+
+if [[ -z $WCCOMMAND ]]; then
+	hash wc
+	if [[ $? != 0 ]]; then
+		echo "Can't find wc, exiting"
+		exit 3
+	fi
+	WCCOMMAND=$(hash -t wc)
+	WCCOMMAND="$WCCOMMAND -l"
+else
+	if [[ ! -x $WCCOMMAND ]]; then
+		echo "Can't find wc at $WCCOMMAND, exiting"
+		exit 3
+	fi
+	WCCOMMAND="$WCCOMMAND -l"
+fi
+
+if [[ -z $MAXTHREADS ]]; then
+	# if there's more than 2G of memory, then do 4 threads, otherwise, just 1
+	__total_memory=$(free -t -g | sed -ne '2 { s#Mem:[[:space:]]*\([0-9]*\)[[:space:]]*.*$#\1#; p; }')
+	if [[ $__total_memory -ge 2 ]]; then
+		MAXTHREADS=4
+	else
+		MAXTHREADS=1
+	fi
 fi
 
 if [[ -z $WIDTH ]]; then
@@ -283,10 +395,6 @@ if [[ -z $IMAGEEXTENSIONS ]]; then
 	IMAGEEXTENSIONS="jpeg jpg gif png";
 fi
 
-if [[ -z $WCCOMMAND ]]; then
-	WCCOMMAND="wc -l"
-fi
-
 if [[ -z $CAPTIONHEIGHT ]]; then
 	CAPTIONHEIGHT=75
 fi
@@ -401,9 +509,16 @@ set.
         WIDTH
             the width to make the icons
 
+        HEIGHT
+            the height to make the icons (sets up a bounding box with WIDTH)
+
         MEDIUMWIDTH
             set the width of images in the medium size pages
 
+        MEDIUMHEIGHT
+            the height to make images in the medium size pages (sets up a
+            bounding box with MEDIUMWIDTH)
+
         BPGALLERY_THEME
             set the theme to use (described below)
 
@@ -433,11 +548,61 @@ Version: $VERSION
 END
 }
 
+function check_dimensions() {
+	wantedwidth=$1
+	wantedheight=$2
+	dir=$3
+	filename=$4
+	if [ ! -e "$dir/$filename" ]; then
+		echo 0
+		return
+	fi
+	iconwidth=$($IDENTIFYCOMMAND -format "%wx%h" "$dir/$filename")
+	iconheight=${iconwidth//*x}
+	iconwidth=${iconwidth//x*}
+	# are the dimensions correctish?
+	imagesizeright=1
+	if [ ! -z $wantedheight ]; then
+		if [ $wantedwidth -ne $iconwidth ] && [ $wantedheight -ne $iconheight ]; then
+			imagesizeright=0
+		else
+			# make sure that both of the dimensions are smaller than they
+			# should be
+			if [ $iconwidth -gt $wantedwidth ] || [ $iconheight -gt $wantedheight ]; then
+				imagesizeright=0
+			fi
+		fi
+	else
+		if [ $wantedwidth -ne $iconwidth ]; then
+			imagesizeright=0
+		fi
+	fi
+	echo $imagesizeright
+}
+
 function generate_resized_images() {
 	$ECHOCOMMAND "Generating $2"
+	width=$1
+	height=${width//*x}
+	if [ $width != $height ]; then
+		width=${width//x*}
+	else
+		height=""
+	fi
 	currentimage=0
 	totalimages=$($FINDCOMMAND . $FINDIMAGESOPTIONS | $XARGSCOMMAND -0 -I {} $ECHOCOMMAND {} | $WCCOMMAND);
-	imagestoupdate=$($FINDCOMMAND . $FINDIMAGESOPTIONS | $XARGSCOMMAND -0 -I {} $ECHOCOMMAND {} | while read filename; do filename=${filename//\"/\\\"}; if [ ! -r "$2/$filename" ] || [ "$filename" -nt "$2/$filename" ] || [ $($IDENTIFYCOMMAND -format "%w" "$2/$filename") -ne $1 ]; then $ECHOCOMMAND $filename; fi; done | $WCCOMMAND)
+	imagestoupdate=$($FINDCOMMAND . $FINDIMAGESOPTIONS |
+		$XARGSCOMMAND -0 -I {} $ECHOCOMMAND {} |
+		while read filename; do
+			filename=${filename//\"/\\\"}
+			imagesizeright=$(check_dimensions "$width" "$height" "$2" "$filename")
+			if [ ! -r "$2/$filename" ] ||
+				[ "$filename" -nt "$2/$filename" ] ||
+				[ $imagesizeright -ne 1 ]; then
+				$ECHOCOMMAND $filename
+			fi
+		done |
+		$WCCOMMAND)
 	
 	if [ $totalimages -eq 0 ]; then
 		# might as well exit at this point - there are no pictures
@@ -464,17 +629,41 @@ function generate_resized_images() {
 		$ECHOCOMMAND "Generating $imagestoupdate of $totalimages $2"
 	fi
 	
-	$FINDCOMMAND . $FINDIMAGESOPTIONS | $XARGSCOMMAND -0 -I {} $ECHOCOMMAND {} | while read filename; do tempfilename=${filename//\"/\\\"/}; if [ ! -r "$2/$tempfilename" ] || [ "$tempfilename" -nt "$2/$tempfilename" ] || [ $($IDENTIFYCOMMAND -format "%w" "$2/$filename") -ne $1 ]; then $ECHOCOMMAND -n $filename; $ECHOCOMMAND -n -e "\000"; fi; done | $XARGSCOMMAND -0 --verbose --max-procs=4 -I {} $CONVERTTOOL -resize $1 '{}' $2/'{}' 2>&1 | while read throwout; do $ECHOCOMMAND done: $currentimage/$imagestoupdate images; currentimage=$((currentimage+1)); done
+	$FINDCOMMAND . $FINDIMAGESOPTIONS | \
+		$XARGSCOMMAND -0 -I {} $ECHOCOMMAND {} | \
+		while read filename; do 
+			tempfilename=${filename//\"/\\\"/}; 
+			imagesizeright=$(check_dimensions "$width" "$height" "$2" "$filename")
+			if [ ! -r "$2/$tempfilename" ] \
+				|| [ "$tempfilename" -nt "$2/$tempfilename" ] \
+				|| [ $imagesizeright -ne 1 ]; then 
+					$ECHOCOMMAND -n $filename
+					$ECHOCOMMAND -n -e "\000"
+			fi
+		done | \
+		$XARGSCOMMAND -0 --verbose --max-procs=$MAXTHREADS -I {} $CONVERTTOOL -resize $1 '{}' $2/'{}' 2>&1 | \
+			while read throwout; do
+				$ECHOCOMMAND done: $currentimage/$imagestoupdate images
+				currentimage=$((currentimage+1))
+			done
 	$ECHOCOMMAND done: $imagestoupdate/$imagestoupdate images
 	$ECHOCOMMAND "Completed generating $2 for $totalimages images"
 }
 
 function generate_thumbs() {
-	generate_resized_images $WIDTH $ICONSDIRECTORY
+	if [ ! -z $HEIGHT ]; then
+		generate_resized_images "${WIDTH}x${HEIGHT}" $ICONSDIRECTORY
+	else
+    	generate_resized_images $WIDTH $ICONSDIRECTORY
+	fi
 }
 
 function generate_medium() {
-	generate_resized_images $MEDIUMWIDTH $MEDIUMDIRECTORY
+	if [ ! -z $MEDIUMHEIGHT ]; then
+		generate_resized_images "${MEDIUMWIDTH}x${MEDIUMHEIGHT}" $MEDIUMDIRECTORY
+	else
+		generate_resized_images $MEDIUMWIDTH $MEDIUMDIRECTORY
+	fi
 }
 
 function generate_pages() {