Code:
<?php
// BolGalleryCreative - 05/03/2005
// All right reserved to Nicolas d'Haussy
// Use or modify it at your own risk
// Coders : I commented this code as much as possible for you ;)
// 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=70) {
$getImageResource = getImageResource($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[2]-$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=70) {
$getImageResource = getImageResource($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 = "<!-- BolGallery 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
Source: 
Zitat von dead_orc
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