scan(); exit; class scanImage { public $deleteFilesFromTemp = true; public $gamma = '.3'; public $showType = 'jpg'; public $scanner = false; function __construct( $deleteFilesFromTemp = true, $gamma = '.3', $showType = 'jpg' ) { $this -> deleteFilesFromTemp = $deleteFilesFromTemp; $this -> gamma = $gamma; $this -> showType = $showType; if ( ! isset( $_SESSION['scannerDevice'] ) || '' == $_SESSION['scannerDevice'] ) { # Init: Suchen des devices $scanner = trim( `scanimage -L | grep "^device"` ); $scanner = preg_replace( "/^.*`/", '', $scanner ); $scanner = preg_replace( "/'.*$/", '', $scanner ); if ( $scanner ) { $_SESSION['scannerDevice'] = $scanner; } else { $_SESSION['scannerDevice'] = false; unset( $_SESSION['scannerDevice'] ); print "Kein Scanner gefunden."; exit; } } else { $this -> scanner = $_SESSION['scannerDevice']; } } function scan() { $scanner = $_SESSION['scannerDevice']; $gamma = $this -> gamma; $t=`ps ax | grep "scanimage -d $scanner" | grep -v "ps ax" | wc -l`; if ( 1 < intval( $t ) ) { die ("($t) Der Scanner ist aktiv. Warten Sie eine Weile und laden Sie dann diese Seite erneut."); } $unixTime = date( 'Y-m-d_His' ); $tmpfile_tiff = '/tmp/' . $unixTime . '.tiff'; $dummy=`/usr/bin/scanimage -x 210 -y 297 --format tiff -d $scanner > $tmpfile_tiff`; switch ( $this -> showType ) { case 'tiff': header( 'Content-Type: image/tiff' ); header( 'Content-Disposition: attachment; filename="' . $unixTime . '.tiff' . '"' ); print file_get_contents( $tmpfile_tiff ); break; case 'jpg': $tmpfile_jpg = '/tmp/' . $unixTime . '.jpg'; $dummy=`/usr/bin/convert -gamma $gamma -auto-level -despeckle $tmpfile_tiff $tmpfile_jpg`; header( 'Content-Type: image/jpg' ); print file_get_contents( $tmpfile_jpg ); break; case 'pdf': $tmpfile_pdf = '/tmp/' . $unixTime . '.pdf'; $dummy=`tiff2pdf -o $tmpfile_pdf -j -b -p A4 -f $tmpfile_tiff`; header( 'Content-Type: application/pdf' ); header( 'Content-Disposition: inline; filename="' . $unixTime . '.pdf' . '"' ); print file_get_contents( $tmpfile_pdf ); break; default: echo "Konfigurationsfehler. Sie (oder ein Admin) haben (hat) einen unzulässigen Dateityp eingestellt."; break; } if ( $this -> deleteFilesFromTemp ) { if ( isset( $tmpfile_tiff ) && is_file( $tmpfile_tiff ) ) unlink( $tmpfile_tiff ); if ( isset( $tmpfile_jpg ) && is_file( $tmpfile_jpg ) ) unlink( $tmpfile_jpg ); if ( isset( $tmpfile_pdf ) && is_file( $tmpfile_pdf ) ) unlink( $tmpfile_pdf ); } } }