wok-6.x annotate sane-backends/stuff/tazpanel/sane.cgi @ rev 18250

Up tazpanel (516)
author Pascal Bellard <pascal.bellard@slitaz.org>
date Sun Aug 02 20:30:04 2015 +0200 (2015-08-02)
parents 4ea96657834e
children a705d8e80b1c
rev   line source
pascal@18237 1 #!/bin/sh
pascal@18237 2 #
pascal@18237 3 # Scanner CGI interface - Scan documents via a browser
pascal@18237 4 #
pascal@18237 5 # (C) 2015 SliTaz GNU/Linux - BSD License
pascal@18237 6 #
pascal@18237 7
pascal@18237 8 # Common functions from libtazpanel
pascal@18237 9 . lib/libtazpanel
pascal@18237 10 get_config
pascal@18237 11
pascal@18237 12 #------
pascal@18237 13 # menu
pascal@18237 14 #------
pascal@18237 15
pascal@18237 16 case "$1" in
pascal@18237 17 menu)
pascal@18237 18 TEXTDOMAIN_original=$TEXTDOMAIN
pascal@18237 19 export TEXTDOMAIN='sane'
pascal@18237 20
pascal@18237 21 cat <<EOT
pascal@18237 22 <li><a data-icon="text" href="sane.cgi"$(groups | grep -q scanner ||
pascal@18237 23 echo ' data-root')>$(_ 'Scanner')</a></li>
pascal@18237 24 EOT
pascal@18237 25 export TEXTDOMAIN=$TEXTDOMAIN_original
pascal@18237 26 exit
pascal@18237 27 esac
pascal@18237 28
pascal@18237 29 TITLE="$(_ 'TazPanel - Hardware') - $(_ 'Scanner')"
pascal@18237 30
pascal@18237 31 inrange() {
pascal@18237 32 local n=$1
pascal@18237 33 [ $1 -lt $2 ] && n=$2
pascal@18237 34 [ $1 -gt $3 ] && n=$3
pascal@18237 35 echo $n
pascal@18237 36 }
pascal@18237 37
pascal@18237 38 getgeometry() {
pascal@18237 39 CMD=""
pascal@18242 40 ARGS=""
pascal@18242 41 for i in x y l t ; do
pascal@18237 42 j=$(inrange $(xPOST geometry_$i) $(xPOST ${i}_min) $(xPOST ${i}_max))
pascal@18237 43 eval "geometry_$i=$j"
pascal@18237 44 CMD="$CMD -$i $j"
pascal@18242 45 ARGS="$ARGS $j"
pascal@18237 46 done
pascal@18237 47 for i in mode source contrast brightness ; do
pascal@18237 48 [ "$(xPOST $i)" ] && CMD="$CMD --$i '$(xPOST $i)'"
pascal@18237 49 done
pascal@18237 50 resolution=${1:-0}
pascal@18237 51 if [ $resolution -eq 0 ]; then
pascal@18237 52 resolution=$(xPOST res_min)
pascal@18237 53 width=$(GET width)
pascal@18237 54 [ ${geometry_x:-0} -le 0 ] && geometry_x=$(xPOST x_max)
pascal@18237 55 while [ $((${resolution:=150} * ${geometry_x%.*})) -lt ${width:-8192} ]; do
pascal@18237 56 resolution=$(($resolution * 2))
pascal@18237 57 done
pascal@18237 58 fi
pascal@18242 59 case "$(xPOST mode)" in
pascal@18242 60 *lack*|*ineart*) mode="-monochrome" ;;
pascal@18242 61 *ray*) mode="-colorspace gray" ;;
pascal@18242 62 *) mode="" ;;
pascal@18242 63 esac
pascal@18237 64 [ -d tmp ] || ln -s /tmp tmp
pascal@18237 65 case "$device" in
pascal@18242 66 fake*) f=/usr/share/images/slitaz-banner.png
pascal@18242 67 c="$(echo $ARGS $(identify $f | sed \
pascal@18242 68 's/.* \([0-9]*\)x.*/\1/') $(GET width) $(POST x_max) | awk '
pascal@18242 69 function a(x) { return int(($x * $5)/ $7); }
pascal@18242 70 { printf "%dx%d+%d+%d -resize %dx%d",a(1),a(2),a(3),a(4),$6,int(($2*$6)/$1)}
pascal@18242 71 ')"
pascal@18242 72 cat <<EOT
pascal@18242 73 if convert -crop $c $mode $f /tmp/sane$$.png 2> /dev/null ; then
pascal@18242 74 cat /tmp/sane$$.png
pascal@18242 75 rm -f /tmp/sane$$.png
pascal@18242 76 else
pascal@18242 77 cat $f
pascal@18242 78 fi
pascal@18242 79 EOT
pascal@18242 80 ;;
pascal@18242 81 *) echo -n "scanimage -d '$(echo $device | sed 's/,.*//')' --resolution '$(inrange $resolution $(xPOST res_min) $(xPOST res_max))dpi'$CMD"
pascal@18242 82 if [ -z "$1" -a "$(which convert)" ]; then
pascal@18242 83 echo -n "> /tmp/sane$$.pnm ; convert -resize "
pascal@18242 84 echo $ARGS $(GET width) | awk '{ printf "%dx%d",$5,int(($2*$5)/$1)}'
pascal@18242 85 echo -n " /tmp/sane$$.pnm /tmp/sane$$.png ;"
pascal@18242 86 echo -n "cat /tmp/sane$$.png ; rm -f /tmp/sane$$.pn?"
pascal@18242 87 fi
pascal@18237 88 esac
pascal@18237 89 }
pascal@18237 90
pascal@18237 91 imgformat() {
pascal@18237 92 tmp=$(mktemp -u -t tazsane.XXXXXX)
pascal@18237 93 while read key name type exe pkg cmd ; do
pascal@18237 94 case "$key" in
pascal@18237 95 \#*) continue
pascal@18237 96 esac
pascal@18237 97 case "$1" in
pascal@18237 98 list)
pascal@18237 99 echo -n "<option value=\"$key\""
pascal@18237 100 [ "$(which $exe 2> /dev/null)" ] ||
pascal@18237 101 echo -n " disabled title=\"$exe not found: install $pkg\""
pascal@18237 102 [ "$key" == "pnm" ] &&
pascal@18237 103 echo -n " title=\"not supported by most browsers\""
pascal@18237 104 echo ">$key" ;;
pascal@18237 105 *)
pascal@18237 106 case "$key" in
pascal@18237 107 $(xPOST format)|'*')
pascal@18237 108 case "$HTTP_USER_AGENT" in
pascal@18237 109
pascal@18237 110 # Tazweb has no download support
pascal@18237 111 TazWe*) rm -f /tmp/$name
pascal@18237 112 eval "$(getgeometry $(xPOST resolution)) $cmd >/tmp/$name" 2> $tmp.err
pascal@18237 113 if [ -s /tmp/$name ]; then
pascal@18237 114 info="Stored in /tmp/$name ($(stat -c %s /tmp/$name) bytes)."
pascal@18237 115 else
pascal@18237 116 error="$(sed 's|$|<br />|' $tmp.err)"
pascal@18237 117 [ "$error" ] || error="I/O error"
pascal@18237 118 fi
pascal@18237 119 rm -f $tmp.* ;;
pascal@18237 120
pascal@18237 121 # Others should work
pascal@18237 122 *) header "Content-Type: $type" \
pascal@18237 123 "Content-Disposition: attachment; filename=$name" \
pascal@18237 124
pascal@18237 125 eval "$(getgeometry $(xPOST resolution)) $cmd"
pascal@18237 126 rm -f $tmp.*
pascal@18237 127 exit ;;
pascal@18237 128 esac ;;
pascal@18237 129 esac ;;
pascal@18237 130 esac
pascal@18237 131 done <<EOT
pascal@18237 132 png tazsane.png image/png convert imagemagick > $tmp.pnm; convert $tmp.pnm png:-
pascal@18237 133 jpeg tazsane.jpg image/jpeg convert imagemagick > $tmp.pnm; convert $tmp.pnm jpg:-
pascal@18237 134 jpeg2000 tazsane.jp2 image/jpeg2000-image convert imagemagick > $tmp.pnm; convert $tmp.pnm jp2:-
pascal@18237 135 tiff tazsane.tiff image/tiff convert imagemagick > $tmp.pnm; convert $tmp.pnm tiff:-
pascal@18237 136 ps tazsane.ps application/postscript convert imagemagick > $tmp.pnm; convert -page A4+0+0 $tmp.pnm ps:-
pascal@18237 137 pdf tazsane.pdf image/pdf convert imagemagick > $tmp.pnm; convert $tmp.pnm pdf:-
pascal@18237 138 ocr1 tazsane-OCR1.txt text/plain gocr gocr | gocr -
pascal@18237 139 ocr2 tazsane-OCR2.txt text/plain tesseract tesseract-ocr | tesseract stdin stdout
pascal@18237 140 pnm tazsane.pnm image/pnm true slitaz
pascal@18237 141 EOT
pascal@18237 142 }
pascal@18237 143
pascal@18237 144 xPOST() {
pascal@18237 145 [ "$preview" == "reset" ] || POST $@
pascal@18237 146 }
pascal@18237 147
pascal@18237 148 tmpreview="$(POST tmpreview)"
pascal@18237 149 find tmp/ -name 'tazsane*' -mmin +60 -prune -exec rm -f {} \;
pascal@18237 150
pascal@18237 151 device="$(POST device)"
pascal@18237 152 preview="$(POST preview)"
pascal@18237 153 info=""
pascal@18237 154 error=""
pascal@18237 155
pascal@18237 156 case " $(POST) " in
pascal@18237 157 *\ reset\ *)
pascal@18237 158 unset device tmpreview
pascal@18237 159 preview="reset" ;;
pascal@18237 160 *\ preview\ *)
pascal@18237 161 [ "$tmpreview" ] || tmpreview=$(mktemp -u -t tazsane.XXXXXX).png
pascal@18237 162 tmp=$(mktemp -u -t tazsane.XXXXXX)
pascal@18237 163 eval "$(getgeometry)" > $tmp.pnm 2> $tmp.err
pascal@18237 164 if [ -s "$tmp.pnm" ]; then
pascal@18237 165 convert $tmp.pnm $tmpreview > /dev/null 2>&1 ||
pascal@18237 166 cp $tmp.pnm $tmpreview
pascal@18237 167 else
pascal@18237 168 error="$(sed 's|$|<br />|' $tmp.err)"
pascal@18237 169 rm -f $tmpreview
pascal@18237 170 fi
pascal@18237 171 rm -f $tmp.pnm $tmp.err ;;
pascal@18237 172 *\ scan\ *)
pascal@18237 173 imgformat download ;;
pascal@18237 174 esac
pascal@18237 175
pascal@18237 176 header
pascal@18237 177 xhtml_header
pascal@18237 178 [ -n "$error" ] && msg warn "$error"
pascal@18237 179 [ -n "$info" ] && msg tip "$info"
pascal@18237 180 if [ -z "$device" ]; then
pascal@18242 181 all="$(scanimage -f '%d,%v %m|'|cat - sane-fake.log|sed 's/|/\n/g')"
pascal@18237 182 case "$(echo "$all" | wc -l)" in
pascal@18237 183 1) if [ -z "$all" ]; then
pascal@18242 184 msg warn "$(_ "No scanner found")"
pascal@18242 185 msg tip "$(_ "You can test this GUI with ")\
pascal@18242 186 <a href=\"/user/pkgs.cgi?info=fake-sane\">fake-sane</a>"
pascal@18237 187 xhtml_footer
pascal@18237 188 exit 0
pascal@18237 189 fi
pascal@18237 190 device="${all%|}" ;;
pascal@18242 191 *)
pascal@18242 192 suggested=""
pascal@18242 193 while read exe pkg msg; do
pascal@18242 194 [ "$(which $exe 2> /dev/null)" ] && continue
pascal@18242 195 suggested="$suggested
pascal@18242 196 <li><a href=\"/user/pkgs.cgi?info=$pkg\">$pkg</a>&nbsp;$msg</li>"
pascal@18242 197 done <<EOT
pascal@18242 198 convert imagemagick $(_ "to preview images and support more image formats")
pascal@18242 199 gocr gocr $(_ "a basic optical character recognition")
pascal@18242 200 tesseract tesseract-ocr $(_ "a better optical character recognition")
pascal@18242 201 EOT
pascal@18242 202 [ "$suggested" ] &&
pascal@18242 203 msg tip "$(_ "You may need to install:") <ol>$suggested</ol>"
pascal@18242 204 cat <<EOT
pascal@18237 205 <section>
pascal@18237 206 <header>
pascal@18237 207 <form name="scanner" method="post">
pascal@18237 208 Scanner
pascal@18237 209 <select name="device" size=1>
pascal@18237 210 EOT
pascal@18237 211 echo "$all" | awk -F, '{ if (NF > 0) print "<option value=\"" $0 "\">" 1+i++ " - " $2 }'
pascal@18237 212 cat <<EOT
pascal@18237 213 </select>
pascal@18237 214 <button data-icon="start">$(_ "Continue")</button>
pascal@18237 215 </form>
pascal@18237 216 </header>
pascal@18237 217 </section>
pascal@18237 218 EOT
pascal@18237 219 xhtml_footer
pascal@18237 220 exit 0 ;;
pascal@18237 221 esac
pascal@18237 222 fi
pascal@18237 223
pascal@18237 224 cat <<EOT
pascal@18237 225 <section>
pascal@18237 226 <form name="parameters" method="post">
pascal@18237 227 <script language="JavaScript" type="text/javascript">
pascal@18237 228 <!--
pascal@18237 229 function new_width() {
pascal@18242 230 document.parameters.action = "?width="+(document.width-30)
pascal@18237 231 }
pascal@18237 232
pascal@18237 233 window.onresize = new_width
pascal@18237 234 new_width()
pascal@18237 235 -->
pascal@18237 236 </script>
pascal@18237 237
pascal@18237 238 <header>
pascal@18237 239 $(echo $device | sed 's/.*,//')
pascal@18237 240 <div class="float-right">
pascal@18237 241 <button name="scan" data-icon="start">$(_ "Scan")</button>
pascal@18242 242 <button name="reset" data-icon="refresh">$(_ "Reset")</button>
pascal@18237 243 <button name="preview" data-icon="view">$(_ "Preview")</button>
pascal@18237 244 </div>
pascal@18237 245 </header>
pascal@18237 246
pascal@18237 247 <table class="wide" border="2" cellpadding="8" cellspacing="0">
pascal@18237 248 <tr>
pascal@18237 249 <td>Format
pascal@18237 250 <select name="format" size=1>
pascal@18237 251 $(imgformat list)
pascal@18237 252 </select>
pascal@18237 253 </td>
pascal@18237 254 EOT
pascal@18237 255
pascal@18237 256 if [ "$(xPOST params)" ]; then
pascal@18237 257 params="$(xPOST params | uudecode)"
pascal@18237 258 else
pascal@18237 259 params="$({
pascal@18237 260 cat "$(echo $device | sed 's/,.*//').log" 2> /dev/null ||
pascal@18237 261 scanimage --help -d "$(echo $device | sed 's/,.*//')"
pascal@18237 262 } | awk '
pascal@18237 263 function minmax()
pascal@18237 264 {
pascal@18237 265 if (match($2,"[0-9]")) {
pascal@18237 266 i=$2; sub(/\.\..*/,"",i)
pascal@18237 267 j=$2; sub(/.*\.\./,"",j)
pascal@18237 268 sub(/\..*/,"",j); sub(/[dm%].*/,"",j)
pascal@18237 269 k=$0; sub(/.* \[/,"",k); sub(/\].*/,"",k)
pascal@18237 270 print $1 " " int(k) " " int(i) " " int(j)
pascal@18237 271 }
pascal@18237 272 }
pascal@18237 273
pascal@18237 274 function enum()
pascal@18237 275 {
pascal@18237 276 i=$0
pascal@18237 277 if (index(i,"|")) {
pascal@18237 278 sub(/^ *--*[a-z]* */,"",i)
pascal@18237 279 sub(/dpi .*/,"",i); gsub(/ \[.*\].*/,"",i)
pascal@18237 280 k=$0; sub(/.* \[/,"",k); sub(/\].*/,"",k)
pascal@18237 281 gsub(/ /,"=",k)
pascal@18237 282 print $1 " " k " enum " i
pascal@18237 283 }
pascal@18237 284 else minmax()
pascal@18237 285 }
pascal@18237 286
pascal@18237 287 /Options specific to device/ { parse=1 }
pascal@18237 288 {
pascal@18237 289 if (parse != 1) next
pascal@18237 290 if (/\[inactive\]/) next
pascal@18237 291 if (match("-l-t-x-y", $1)) minmax()
pascal@18237 292 if (match("--resolution--brightness--contrast--source--mode", $1)) enum()
pascal@18237 293 }
pascal@18237 294 ')"
pascal@18237 295 fi
pascal@18242 296 output="$(n=$(echo "$params" | wc -l); echo "$params" | \
pascal@18242 297 while read name def min max ; do
pascal@18237 298 name="${name##*-}"
pascal@18237 299 def="${def//=/ }"
pascal@18237 300 if [ "$min" == "enum" ]; then
pascal@18237 301 res_min=1000000
pascal@18237 302 res_max=0
pascal@18237 303 echo "<td>$name"
pascal@18237 304 echo -n "<select name=\"$name\" size=1"
pascal@18237 305 [ "$name" == "resolution" ] && echo -n " onchange=showGeometry()"
pascal@18237 306 echo ">"
pascal@18237 307 IFS="|"; set -- $max ; unset IFS
pascal@18237 308 while [ "$1" ]; do
pascal@18237 309 echo -n "<option value=\"$1\""
pascal@18237 310 [ "$(xPOST $name)" == "$1" ] && echo -n " selected"
pascal@18237 311 [ -z "$(xPOST $name)" -a "$def" == "$1" ] && echo -n " selected"
pascal@18237 312 echo ">$(_ "$1")"
pascal@18237 313 if [ "$name" == "resolution" ]; then
pascal@18237 314 [ $res_max -lt $1 ] && res_max=$1
pascal@18237 315 [ $res_min -gt $1 ] && res_min=$1
pascal@18237 316 fi
pascal@18237 317 shift
pascal@18237 318 done
pascal@18237 319 echo "</select>"
pascal@18237 320 else
pascal@18237 321 [ "$(xPOST $name)" ] && def=$(xPOST $name)
pascal@18237 322 [ $def -lt $min ] && def=$min
pascal@18237 323 [ $def -gt $max ] && def=$max
pascal@18242 324 f="$(_ "$name") <input name=\"$name\" value=\"$def\""
pascal@18237 325 u=""
pascal@18237 326 case "$name" in
pascal@18237 327 x|y|l|t) cat <<EOT
pascal@18237 328 :${name}_max=$max
pascal@18237 329 <input type="hidden" name="${name}_min" value="$min">
pascal@18237 330 <input type="hidden" name="${name}_max" value="$max">
pascal@18237 331 EOT
pascal@18237 332 while read name2 n2 id val; do
pascal@18237 333 [ "$name" == "$name2" ] || continue
pascal@18237 334 [ "$(xPOST geometry_$name)" ] &&
pascal@18237 335 val="$(xPOST geometry_$name)"
pascal@18237 336 f="$(_ "$n2")<input name=\"geometry_$name\" id=\"$id\" value=\"$val\""
pascal@18237 337 u="&nbsp;mm"
pascal@18237 338 break
pascal@18237 339 done <<EOT
pascal@18237 340 l X-Offset x 0
pascal@18237 341 t Y-Offset y 0
pascal@18237 342 x Width width $max
pascal@18237 343 y Height height $max
pascal@18237 344 EOT
pascal@18237 345 esac
pascal@18237 346 [ "$name" == "resolution" ] && f="$f onchange=showGeometry()"
pascal@18237 347 echo "<td>$f type=\"text\" title=\"$min .. $max\" size=4 maxlength=4>$u"
pascal@18237 348 res_min=$min
pascal@18237 349 res_max=$max
pascal@18237 350 fi
pascal@18237 351 case "$name" in
pascal@18237 352 resolution) cat <<EOT
pascal@18237 353 <input type="hidden" name="res_min" value="$res_min">
pascal@18237 354 <input type="hidden" name="res_max" value="$res_max">
pascal@18237 355 &nbsp;dpi
pascal@18237 356 EOT
pascal@18237 357 esac
pascal@18237 358 echo "</td>"
pascal@18242 359 n=$(($n - 2))
pascal@18242 360 case "$n" in
pascal@18242 361 1|2) echo "</tr><tr>"
pascal@18242 362 esac
pascal@18237 363 done)"
pascal@18237 364 echo "$output" | sed '/^:/d'
pascal@18237 365
pascal@18237 366 org_x=$(xPOST geometry_x); [ "$org_x" ] || org_x=$(echo "$output" | sed '/^:x_max=/!d;s/.*=//')
pascal@18237 367 org_y=$(xPOST geometry_y); [ "$org_y" ] || org_y=$(echo "$output" | sed '/^:y_max=/!d;s/.*=//')
pascal@18237 368
pascal@18237 369 cat <<EOT
pascal@18237 370 </tr>
pascal@18237 371 </table>
pascal@18237 372 <input type="hidden" name="tmpreview" value="$tmpreview">
pascal@18237 373 <input type="hidden" name="device" value="$device">
pascal@18237 374 <input type="hidden" name="params" value="$(echo "$params" | uuencode -m -)">
pascal@18237 375 <script language="JavaScript" type="text/javascript">
pascal@18237 376 <!--
pascal@18237 377 function setGeometry(x,y) {
pascal@18237 378 document.parameters.geometry_x.value = x;
pascal@18237 379 document.parameters.geometry_y.value = y;
pascal@18237 380 cropSetFrameByInput();
pascal@18237 381 }
pascal@18237 382
pascal@18237 383 function showGeometry() {
pascal@18237 384 var resolution = document.parameters.resolution.value;
pascal@18237 385 if (resolution) {
pascal@18237 386 resolution /= 25.4;
pascal@18237 387 var x = Math.floor(document.parameters.geometry_x.value * resolution);
pascal@18237 388 var y = Math.floor(document.parameters.geometry_y.value * resolution);
pascal@18237 389 alert((Math.round(x * y / 100000)/10) + ' Mpixels\n' + x + 'x' + y);
pascal@18237 390 }
pascal@18237 391 }
pascal@18237 392 -->
pascal@18237 393 </script>
pascal@18237 394
pascal@18237 395 <footer align="center">
pascal@18237 396 EOT
pascal@18237 397 awk -vox=$org_x -voy=$org_y 'END {
pascal@18237 398 x=210*4; y=297*4; n=0; cnt=0;
pascal@18237 399 while (cnt < 9) {
pascal@18237 400 if (ox +1 >= x && oy +1 >= y) {
pascal@18237 401 print "&nbsp;<a href=\"javascript:setGeometry(" x "," y ")\">DIN-A" n "</a>"
pascal@18237 402 cnt++
pascal@18237 403 }
pascal@18237 404 if (ox +1 >= x && oy +1 >= y) {
pascal@18237 405 print "&nbsp;<a href=\"javascript:setGeometry(" y "," x ")\">DIN-A" n "L</a>"
pascal@18237 406 cnt++
pascal@18237 407 }
pascal@18237 408 tmp=x; x=y/2; y=tmp
pascal@18237 409 n++
pascal@18237 410 }
pascal@18237 411 }' < /dev/null
pascal@18237 412
pascal@18237 413 cat <<EOT
pascal@18237 414 </footer>
pascal@18237 415 </form>
pascal@18237 416 </section>
pascal@18237 417 EOT
pascal@18237 418
pascal@18237 419 [ -s "$tmpreview" ] && cat <<EOT
pascal@18237 420 <div margin="15px" style="overflow-x: auto">
pascal@18237 421 <script type="text/javascript" src="lib/crop.js"></script>
pascal@18237 422 <img src="$tmpreview" onload=cropInit(this,'x','y','width','height')>
pascal@18237 423 </div>
pascal@18237 424 EOT
pascal@18237 425 xhtml_footer