/**
* Create a squared thumbnail from an existing image.
*
* @param string $file Location and name where the file is stored .
* @return boolean
* @access public
* @author Christian Machmeier
*/
function createThumb($thisImagePath, $thisThumbnailPath)
{
// Get information about the installed GD.
$gdVersion = getGDversion();
if ($gdVersion == false) {
return false;
}
//$file = $imagePath.'/'.$albumName.'/'.$fileName;
$file = $thisImagePath;
//$fileDest = $thumbnailPath.'/'.$albumName.'/'.$fileName.'thumb';
$fileDest = $thisThumbnailPath;
//$fileDest = $thumbnailPath.'/'.$albumName.'/'.$fileName;
//print $imagePath;
//print $file . " to " . $fileDest . '<BR>';
//print $fileDest;
// Get the image dimensions.
$dimensions = @getimagesize($file);
$width = $dimensions[0];
$height = $dimensions[1];
$outputX = 50;
$outputY = 50;
$quality = 85;
// The image is of vertical shape.
if ($width < $height) {
$deltaX = 0;
$deltaY = ($height - $width) / 2;
$portionX = $width;
$portionY = $width;
// The image is of horizontal shape.
} else {
if ($width > $height) {
$deltaX = ($width - $height) / 2;
$deltaY = 0;
$portionX = $height;
$portionY = $height;
// The image is of squared shape.
} else {
$deltaX = 0;
$deltaY = 0;
$portionX = $width;
$portionY = $height;
}
}
$imageSrc = @imagecreatefromjpeg($file);
// The thumbnail creation with GD1.x functions does the job.
if ($gdVersion < 2) {
// Create an empty thumbnail image.
$imageDest = @imagecreate($outputX, $outputY);
// Try to create the thumbnail from the source image.
if (@imagecopyresized($imageDest, $imageSrc, 0, 0, $deltaX, $deltaY, $outputX, $outputY, $portionX, $portionY)) {
// save the thumbnail image into a file.
@imagejpeg($imageDest, $fileDest, $quality);
// Delete both image resources.
@imagedestroy($imageSrc);
@imagedestroy($imageDest);
return "<font face='arial, helvetica' size='small' color='#006633'>CREATED";
}
} else {
// The recommended approach is the usage of the GD2.x functions.
// Create an empty thumbnail image.
$imageDest = @imagecreatetruecolor($outputX, $outputY);
// Try to create the thumbnail from the source image.
if (@imagecopyresampled($imageDest, $imageSrc, 0, 0, $deltaX, $deltaY, $outputX, $outputY, $portionX, $portionY)) {
// save the thumbnail image into a file.
@imagejpeg($imageDest, $fileDest, $quality);
// Delete both image resources.
@imagedestroy($imageSrc);
@imagedestroy($imageDest);
return "<font face='arial, helvetica' size='small' color='#006633'>CREATED";
}
}
return "<font face='arial, helvetica' size='small' color='#FF0000'>ERROR";
}
function install() {
// SET GALLERY OPTIONS HERE
// -----------------------
// Set Gallery options by editing this text:
$options .= '<simpleviewerGallery maxImageWidth="380" maxImageHeight="380" textColor="0x000000" frameColor="0x000000" frameWidth="5" stagePadding="5" thumbnailColumns="2" thumbnailRows="2" navPosition="right" title="OOS [Gallery]" enableRightClickOpen="false" backgroundImagePath="images/gallery.jpg" imagePath="gallery/images/" thumbPath="gallery/thumbs/">';
// Set showDownloadLinks to true if you want to show a 'Download Image' link as the caption to each image.
$showDownloadLinks = false;
// set useCopyResized to true if thumbnails are not being created.
// This can be due to the imagecopyresampled function being disabled on some servers
$useCopyResized = false;
// Set sortImagesByDate to true to sort by date. Otherwise files are sorted by filename.
$sortImagesByDate = true;
// Set sortInReverseOrder to true to sort images in reverse order.
$sortInReverseOrder = true;
// END OF OPTIONS
// -----------------------
$tgdInfo = getGDversion();
if ($tgdInfo == 0){
// print "Note: The GD imaging library was not found on this Server. Thumbnails will not be created. Please contact your web server administrator.<br><br>";
$error_gdlib = "Note: The GD imaging library was not found on this Server. Thumbnails will not be created. Please contact your web server administrator.";
$messageStack->add($error_gdlib, 'error');
}
if ($tgdInfo < 2){
// print "Note: The GD imaging library is version ".$tgdInfo." on this server. Thumbnails will be reduced quality. Please contact your web server administrator to upgrade GD version to 2.0.1 or later.<br><br>";
$error_gdlib = "Note: The GD imaging library is version ".$tgdInfo." on this server. Thumbnails will be reduced quality. Please contact your web server administrator to upgrade GD version to 2.0.1 or later.";
$messageStack->add($error_gdlib, 'error');
}
/*
if ($sortImagesByDate){
print "Sorting images by date.<br>";
} else {
print "Sorting images by filename.<br>";
}
if ($sortInReverseOrder){
print "Sorting images in reverse order.<br><br>";
} else {
print "Sorting images in forward order.<br><br>";
}
*/
//loop thru images
$xml = '<?xml version="1.0" encoding="UTF-8" ?>'.$options;
$folder = opendir(OOS_GALLERY_PATH ."images");
while($file = readdir($folder)) {
if ($file == '.' || $file == '..' || $file == 'CVS' || $file == '.svn') continue;
if ($sortImagesByDate){
$files[$file] = filemtime(OOS_GALLERY_PATH . "images/$file");
} else {
$files[$file] = $file;
}
}
// now sort by date modified
if ($sortInReverseOrder){
arsort($files);
} else {
asort($files);
}
foreach($files as $key => $value) {
$xml .= '
<image>';
$xml .= '<filename>'.$key.'</filename>';
//add auto captions: 'Image X'
if ($showDownloadLinks){
$xml .= '<caption><![CDATA[<A href="images/'.$key.'" target="_blank"><U>Open image in new window</U></A>]]></caption>';
}
$xml .= '</image>';
// print "- Created Image Entry for: $key<br>";
if (!file_exists(OOS_GALLERY_PATH. "/thumbs/".$key)){
if (createThumb($key)){
// print "- Created Thumbnail for: $key<br>";
}
}
}
closedir($folder);
$xml .= '</simpleviewerGallery>';
$file = OOS_ABSOLUTE_PATH . 'gallery.xml';
if (!$file_handle = fopen($file,"w")) {
// print "<br>Cannot open XML document: $file<br>";
} elseif (!fwrite($file_handle, $xml)) {
// print "<br>Cannot write to XML document: $file<br>";
} else {
// print "<br>Successfully created XML document: $file<br>";
}
fclose($file_handle);
return true;
}
<?php
$imagePath = "albums";
// path where you have the preview image tree (the large images in photofolio) i.e. "seefile/images"
$thumbnailPath = "thumbnails";
// path where you want the thumbnail tree i.e. "../seefile home directory/thumbs"
//print "<head><title>Build Thumbnail Script<title></head>";
//print "<body>";
print "<font face='arial, helvetica' size='medium'><B>Creating thumbnails from original images. . .<B></font><br>";
print "<HR width='400' height='1' align='left'>";
//Get GD imaging library info
$tgdInfo = getGDversion();
if ($tgdInfo == 0) {
print "Note: The GD imaging library was not found on this Server. Thumbnails will not be created. Please contact your web server administrator.<br><br>";
}
if ($tgdInfo < 2) {
print "Note: The GD imaging library is version " . $tgdInfo . " on this server. Thumbnails will be reduced quality. Please contact your web server administrator to upgrade GD version to 2.0.1 or later.<br><br>";
}
print "<table width='400' border='0' cellspacing='0' cellpadding='2'>";
//loop thru images
if (is_dir("{$thumbnailPath}") == 0) {
mkdir("{$thumbnailPath}", 0777);
print "<TR><TD align='left' colspan='2'><font face='arial, helvetica' size='small'><b>{$thumbnailPath} created</b> </font><br>";
}
parseFolder($imagePath, $thumbnailPath);
print "<TR><TD align='right' colspan='2'><font face='arial, helvetica' size='medium'><strong>Processing Complete.</strong></font></TD>";
print "</table>";
//print "</body>";
function parseFolder($tempFolderPath, $tempThumbnailPath)
{
$dir = opendir("{$tempFolderPath}");