Drupal modules for browsing and managing Fedora-based digital repositories.
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<?php
// $Id$
/*
*
*
* This Class implements the methods defined in the STANDARD_IMAGE content model
*/
class ImageManipulation {
function ImageManipulation() {
module_load_include('inc', 'fedora_repository', 'ObjectHelper');
}
function createPreview($parameterArray, $dsid, $file, $file_ext) {
$system = getenv('System');
$file_suffix = '_' . $dsid . '.' . $file_ext;
$width = $parameterArray['width'];
if (!isset($parameterArray['height'])) {
$height = $width;
} else {
$height = $parameterArray['height'];
}
$returnValue = TRUE;
$output = array();
$destDir = dirname($file).'/work';
$destFile = $destDir .'/'. basename($file) . $file_suffix;
if (!is_dir($destDir)) {
@mkdir($destDir);
}
if (!file_exists($destFile)) {
exec('convert -resize ' . $width . 'x'.$height.' -quality 85 "' . $file . '"[0] -strip "' .$destFile . '" 2>&1 &', $output, $returnValue);
}
else
$returnValue = '0';
if ($returnValue == '0') {
$_SESSION['fedora_ingest_files']["$dsid"] = $destFile;
return TRUE;
}
else {
return $returnValue;
}
}
function createPNG($parameterArray = NULL, $dsid, $file, $file_ext) {
$file_suffix = '_' . $dsid . '.' . $file_ext;
$returnValue = TRUE;
if (!file_exists($file . $file_suffix)) {
system("convert \"$file\" \"$file$file_suffix\" 2>&1 &", $returnValue);
}
else {
$returnValue = '0';
}
if ($returnValue == '0') {
$_SESSION['fedora_ingest_files']["$dsid"] = $file . $file_suffix;
return TRUE;
}
else {
return $returnValue;
}
}
function createJP2($parameterArray = NULL, $dsid, $file, $file_ext) {
$file_suffix = "_$dsid.$file_ext";
$return_value = TRUE;
$output = array();
exec('kdu_compress -i "' . $file . '" -o "' . $file . $file_suffix . '" -rate 0.5 Clayers=1 Clevels=7 "Cprecincts={256,256},{256,256},{256,256},{128,128},{128,128},{64,64},{64,64},{32,32},{16,16}" "Corder=RPCL" "ORGgen_plt=yes" "ORGtparts=R" "Cblk={32,32}" Cuse_sop=yes', $output, $returnValue);
if ($returnValue == '0') {
$_SESSION['fedora_ingest_files'][$dsid] = $file . $file_suffix;
}
else {
ObjectHelper::warnIfMisconfigured('Kakadu');
}
exec('kdu_compress -i "' . $file . '" -o "' . $file . "_lossless.jp2" . '" -rate -,0.5 Clayers=2 Creversible=yes Clevels=8 "Cprecincts={256,256},{256,256},{128,128}" Corder="RPCL" ORGgen_plt="yes" ORGtparts="R" Cblk="{32,32}"', $output, $returnValue);
if ($returnValue == '0') {
$_SESSION['fedora_ingest_files']["LOSSLESS_JP2"] = $file . '_lossless.jp2';
}
else {
ObjectHelper::warnIfMisconfigured('Kakadu');
}
exec("convert -resize 800 \"{$file}\"[0] \"$file-med.jpg\"", $output, $returnValue);
if ($returnValue == '0') {
$_SESSION['fedora_ingest_files']["JPG"] = $file . '-med.jpg';
}
else {
ObjectHelper::warnIfMisconfigured('ImageMagick');
}
exec("convert {$file}[0] -thumbnail x2000 -thumbnail x450 -resize '450x<' -resize 50% -fuzz 1% -trim +repage -gravity center -crop 200x200+0+0 +repage -format jpg -quality 100 $file-tn.jpg", $output, $returnValue);
if ($returnValue == '0') {
$_SESSION['fedora_ingest_files']["TN"] = $file . '-tn.jpg';
}
else {
ObjectHelper::warnIfMisconfigured('ImageMagick');
}
if ($returnValue == '0') {
return TRUE;
}
else {
return $returnValue;
}
}
//use imagemapi to manipulate images instead of going directly to imagemagick or whatever
function manipulateImage($parameterArray = NULL, $dsid, $file, $file_ext) {
$height = $parameterArray['height'];
$width = $parameterArray['width'];
$file_suffix = '_' . $dsid . '.' . $file_ext;
$returnValue = TRUE;
$image = imageapi_image_open($file);
if (!$image) {
drupal_set_message(t("Error opening image."));
return FALSE;
}
if (!empty($height) || !empty($width)) {
$returnValue = imageapi_image_scale($image, $height, $width);
}
if (!$returnValue) {
drupal_set_message(t("Error scaling image."));
return $returnValue;
}
$filename = substr(strrchr($file, '/'), 1);
$output_path = $_SERVER['DOCUMENT_ROOT'] . base_path() . file_directory_path() . '/' . $filename . $file_suffix;
$returnValue = imageapi_image_close($image, $output_path);
if ($returnValue) {
$_SESSION['fedora_ingest_files']["$dsid"] = $file . $file_suffix;
return TRUE;
}
else {
return $returnValue;
}
}
function createThumbnailFromPDF($parameterArray, $dsid, $file, $file_ext) {
$height = $parameterArray['height'];
$width = $parameterArray['width'];
$file_suffix = '_' . $dsid . '.' . $file_ext;
$returnValue = TRUE;
//system("convert $file\[0\] -thumbnail 128x128 $uploaddir$thumb");
// Use this for Linux.
if (stristr($_SERVER['SERVER_SOFTWARE'], 'microsoft')) {
}
elseif (stristr($_SERVER['SERVER_SOFTWARE'], 'linux')) {
$cmdline = "/usr/local/bin/convert \"$file\"\[0\] -colorspace RGB -thumbnail $width" . "x$height \"$file$file_suffix\"";
}
elseif (stristr($_SERVER['SERVER_SOFTWARE'], 'unix')) {
// Use this for Mac OS X (MAMP)
$cmdline = "sips -s format jpeg \"$file\" -z $height $height --out \"$file$file_suffix\" >/dev/null";
}
else {
$cmdline = "convert \"$file\"\[0\] -colorspace RGB -thumbnail " . $width . "x" . $height . " \"$file$file_suffix\"";
}
system($cmdline, $returnValue);
//system("convert $file\[0\] -thumbnail 128x128 $uploaddir$thumb");
$var = $file . $file_suffix . ' returnvalue= ' . $returnValue;
if ($returnValue == '0') {
$_SESSION['fedora_ingest_files']["$dsid"] = $file . $file_suffix;
return TRUE;
}
else {
return $returnValue;
}
}
function createThumbnail($parameterArray, $dsid, $file, $file_ext) {
// var_dump($parameterArray);exit(0);
$file_suffix = '_' . $dsid . '.' . $file_ext;
$height = $parameterArray['height'];
$width = $parameterArray['width'];
$returnValue = TRUE;
system("convert -resize $width -quality 85 \"$file\"\[0\] -strip \"$file$file_suffix\" 2>&1 &", $returnValue);
//system("convert -resize $width -quality 85 \"$file\" -strip \"$file$file_suffix\"",$returnValue);
if ($returnValue == '0') {
$_SESSION['fedora_ingest_files']["$dsid"] = $file . $file_suffix;
return TRUE;
}
else {
return $returnValue;
}
}
}