';
// Set showDownloadLinks to true if you want to show a 'Download Image' link as the caption to each image.
$showDownloadLinks = true;
// 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 = false;
// END OF OPTIONS
// -----------------------
print "Creating XML and thumbnails for SimpleViewer.
";
print "-------------------------------------------------
";
//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.
";
}
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.
";
}
if ($sortImagesByDate){
print "Sorting images by date.
";
}else{
print "Sorting images by filename.
";
}
if ($sortInReverseOrder){
print "Sorting images in reverse order.
";
}else{
print "Sorting images in forward order.
";
}
//loop thru images
$xml = ''.$options;
$folder = opendir("images");
while($file = readdir($folder)) {
if ($file[0] != "." && $file[0] != ".." ) {
if ($sortImagesByDate){
$files[$file] = filemtime("images/$file");
}else{
$files[$file] = $file;
}
}
}
// now sort by date modified
if ($sortInReverseOrder){
arsort($files);
}else{
asort($files);
}
foreach($files as $key => $value) {
$xml .= '
';
$xml .= ''.$key.'';
//add auto captions: 'Image X'
if ($showDownloadLinks){
$xml .= 'Open image in new window]]>';
}else{
$xml .= '';
}
$xml .= '';
print "- Created Image Entry for: $key
";
if (!file_exists("./thumbs/".$key)){
if (createThumb($key)){
print "- Created Thumbnail for: $key
";
}
}
}
closedir($folder);
$xml .= '';
//next line can cause erroneous warnings
//chmod( 'imageData.xml', 0777 );
$file = "imageData.xml";
if (!$file_handle = fopen($file,"w")) {
print "
Cannot open XML document: $file
";
} elseif (!fwrite($file_handle, $xml)) {
print "
Cannot write to XML document: $file
";
}else{
print "
Successfully created XML document: $file
";
}
fclose($file_handle);
// }}}
// {{{ createThumb()
/**
* Create a squared thumbnail from an existing image.
*
* @param string $file Location and name where the file is stored .
* @return boolean
* @access public
* @author Christian Machmeier
*/
function createThumb($fileName)
{
// Get information about the installed GD.
$gdVersion = getGDversion();
if ($gdVersion == false) {
return false;
}
$file = 'images/'.$fileName;
$fileDest = 'thumbs/'.$fileName;
// Get the image dimensions.
$dimensions = @getimagesize($file);
$width = $dimensions[0];
$height = $dimensions[1];
$outputX = 45;
$outputY = 45;
$quality = 85;
// The image is of vertical shape.
if ($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 || $useCopyResized) {
// 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 true;
}
} 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 true;
}
}
return false;
}
function getGDversion() {
static $gd_version_number = null;
if ($gd_version_number === null) {
// Use output buffering to get results from phpinfo()
// without disturbing the page we're in. Output
// buffering is "stackable" so we don't even have to
// worry about previous or encompassing buffering.
ob_start();
phpinfo(8);
$module_info = ob_get_contents();
ob_end_clean();
if (preg_match("/\bgd\s+version\b[^\d\n\r]+?([\d\.]+)/i",
$module_info,$matches)) {
$gd_version_number = $matches[1];
} else {
$gd_version_number = 0;
}
}
return $gd_version_number;
}
?>