Citation :
<?php
// Coders : Need help at reducing file URLs expressions according to "current directory" PHP workflow style
// Returns a GD image file resource create and its width and height into an array
// Output array : {image resource, image width, image height}
function getImageResource($imageFile) {
// Get image info
$imageFileInfo = getimagesize($imageFile);
$dataArray[1] = $imageFileInfo[0];
$dataArray[2] = $imageFileInfo[1];
// Create a image resource
if ($imageFileInfo[2] == 1) { $imageFileResource = imagecreatefromgif($imageFile); }
if ($imageFileInfo[2] == 2) { $imageFileResource = imagecreatefromjpeg($imageFile); }
if ($imageFileInfo[2] == 3) { $imageFileResource = imagecreatefrompng($imageFile); }
$dataArray[0] = $imageFileResource;
return $dataArray;
}
// Creates a jpeg image sized as you want focusing randomly at a detail of the reference image
function imageDetailExtract($referenceImage, $thumbnail, $thumbnailWidth, $thumbnailHeight, $thumbnailJpegQuality=150) {
$getImageResource = getImageResource($referenceImage);
// Method to display a image detail
// Coders : problems with little images (To get rid of it, set those two variables to 0)
// Coders : could be also enhanced so as to see more details
$Xposition = round(rand(0, ($getImageResource[1]-$thumbnailWidth)));
$Yposition = round(rand(0, ($getImageResource[1]-$thumbnailHeight)));
// Create the detail image
$thumbnailResource = imagecreatetruecolor($thumbnailWidth,$thumbnailHeight);
imagecopy($thumbnailResource, $getImageResource[0], 0, 0, $Xposition, $Yposition, $getImageResource[1], $getImageResource[2]);
imagejpeg($thumbnailResource, $thumbnail, $thumbnailJpegQuality);
// Destroy image resources
imagedestroy($getImageResource[0]);
imagedestroy($thumbnailResource);
}
// Resizes the given image outputting a jpeg image
function resizeImage($referenceImage, $thumbnail, $maxWidth, $maxHeight, $thumbnailJpegQuality=150) {
$getImageResource = getImageResource($referenceImage);
// Recompute size for fitting (to be validated)
if( $getImageResource[1] > $getImageResource[2]) { $maxHeight = round(($getImageResource[2]/$getImageResource[1])*$maxWidth); }
else { $maxWidth = round(($getImageResource[1]/$getImageResource[2])*$maxHeight); }
// Create resized image
$thumbnailResource = imagecreatetruecolor($maxWidth,$maxHeight);
imagecopyresized($thumbnailResource, $getImageResource[0], 0, 0, 0, 0, $maxWidth, $maxHeight, $getImageResource[1], $getImageResource[2]);
imagejpeg($thumbnailResource, $thumbnail, $thumbnailJpegQuality);
// Destroy image resources
imagedestroy($getImageResource[0]);
imagedestroy($thumbnailResource);
}
// Date sorting method
function mtime_sort($b, $a) {
if (filemtime($a) == filemtime($b)) {
return 0;
} else {
return (filemtime($a) < filemtime($b)) ? -1 : 1;
}
}
// Creates bolGallery files and returns the HTML layout source string
function bolGalleryCreate($imagesList, $referenceImagesDirectory, $tableColumnsNb, $thumbnailWidth, $thumbnailHeight, $switchClassic=false) {
// Build gallery HTML source
$HTML = "";
// Bolgallery Javascript popup function
$bolGalleryPopup = "<!-- Javascript popup window function -->
<SCRIPT type=\"text/javascript\">
function bolGalleryPopup(imageFile, width, height, title){
var html = '<title>' + title + ' - Click to close </title><body leftmargin=0 topmargin=0 marginwidth=0 marginheight=0 onclick=\"javascript:window.close()\"><img src=\"' + imageFile + '\" alt=\"Click to close\"></body>';
var popup = window.open(imageFile, '_blank', 'width=' + width+ ', height=' + height + ', status=no');
popup.document.write(html);
popup.focus();
}
</SCRIPT>\n\n";
$HTML .= $bolGalleryPopup;
// Build the HTML table to display all the thumbnails
$HTML .= "<!-- www.le-bazar-de-jeje371.com -->\n<TABLE border=0 cellspacing=1 cellpadding=0>\n\t<TR valign=\"top\">\n";
$table_i=0;
foreach($imagesList as $currentImage) {
// (Re)build thumbnail url string
$referenceImageName = str_replace($referenceImagesDirectory, "", $currentImage);
$thumbnail = ($referenceImagesDirectory . "bolGallery/thumbnail_" . $referenceImageName);
// Get reference image file info
$referenceImageInfos = getimagesize($currentImage);
$referenceImageWidth = $referenceImageInfos[0];
$referenceImageHeight = $referenceImageInfos[1];
// Generate the thumbnail image if doesn't exist
if(! file_exists($thumbnail)) {
// Generate mode style thumbnail
if($switchClassic) { resizeImage($currentImage, $thumbnail, $thumbnailWidth, $thumbnailHeight); }
else { imageDetailExtract($currentImage, $thumbnail, $thumbnailWidth, $thumbnailHeight); }
}
// Display the thumbnail image and set a popup link to the big one
$alt = str_replace("_", " ", substr($referenceImageName, 0, -4));
$HTML .= "\t\t<TD align=\"center\">\n\t\t\t<A href=\"" . $currentImage . "\" onClick=\"bolGalleryPopup(this.href, " . $referenceImageWidth. ", " . $referenceImageHeight . ", '" . $alt . "'); return(false);\" target=\"_blank\">\n"; // target attribute to be tested
$HTML .= "\t\t\t\t<IMG src=\"" . $thumbnail . "\" title=\"" . $alt . "\" border=0>\n";
$HTML .= "\t\t\t</A>\n\t\t</TD>\n";
// HTML table next line evaluation
$table_i++;
if (($table_i % $tableColumnsNb) == 0) {
$HTML .= "\t</TR>\n\t<TR valign=\"top\">\n";
}
}
$HTML .= "\t</TR>\n\t<TR>\n\t\t<TD colspan=" . $tableColumnsNb . ">\n\t\t\t<FONT size=1>Rouge Passion <A href=\"http://www.le-bazar-de-jeje371.com\" target=\"_blank\">bolGallery</A></FONT>\n\t\t</TD>\n\t</TR>\n"; // Thanks not to delete this line
$HTML .= "</TABLE>\n<BR>\n<!--End BolGallery-->\n\n";
return $HTML;
}
// Main function. Handles bolGalleryCreate(). Call it on your php pages where you want it build a gallery.
// Loads static page or lists reference images directory and launchs gallery creation
function bolGallery($referenceImagesDirectory, $tableColumnsNb, $thumbnailWidth, $thumbnailHeight, $switchClassic=false) {
$staticPage = ("./" . str_replace(".", "", str_replace("/", "", $referenceImagesDirectory)) . "_bolGalleryStaticPage.html" );
// Recreate the gallery if there was any modification
if((!file_exists($staticPage)) or (filemtime($referenceImagesDirectory) > filemtime($staticPage))) {
// Builds an array (sorted by date) of image files from given directory
if (is_dir($referenceImagesDirectory)) {
// Create the thumbnails directory if doesn't exist
if (! is_dir($referenceImagesDirectory."bolGallery" )) {
mkdir($referenceImagesDirectory."bolGallery", 0755);
}
// Check the reference images directory (Doesn't scan subdirectories)
$handle=opendir($referenceImagesDirectory);
while ($file=readdir($handle)) {
if (is_file($referenceImagesDirectory.$file)) {
// Check if the file is an image
$extension = strtolower(substr(strrchr($file, "." ), 1));
$supportedExtensions = array("jpg", "jpeg", "gif", "png" );
if (in_array($extension, $supportedExtensions) and ($file[0] != "#" )) { // Also checks whether file is marked by a "#"
// Add this file to the image files array
$imagesList[] = $referenceImagesDirectory.$file; // Should not add $referenceImagesDirectory in the array, could be added later
}
}
}
closedir($handle);
// Sort image files array by date with "mtime_sort" method
// Coders : could enable the user to choose between multiple file sorting
@usort($imagesList, "mtime_sort" ) or die("There are no image in <b>" . $referenceImagesDirectory . "</b> to run bolGallery." );
} else { die("<b>" . $referenceImagesDirectory . "</b> does not exist or is not a valid directory url. Cannot run bolGallery." ); }
// Build gallery
$HTML = bolGalleryCreate($imagesList, $referenceImagesDirectory, $tableColumnsNb, $thumbnailWidth, $thumbnailHeight, $switchClassic);
// Bake also bolGallery HTML source output to file
$session = fopen($staticPage, "w" ); // "r+" ?
fputs($session, "<!-- BolGallery baked HTML page -->\n".$HTML);
fclose($session);
}
/* Won't work
// Load static page (the old one or the last created above)
require($staticPage) or die("<b>" . $staticPage . "</b> does not exist." );
*/
$pageString = file_get_contents($staticPage);
echo $pageString;
}
?>
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