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authordeva <deva>2008-10-04 10:38:03 +0000
committerdeva <deva>2008-10-04 10:38:03 +0000
commitcce5e7710295021b41d9aaecc503a60fb99256be (patch)
tree660235be91fb821e976c7ae62347eb368ce87524 /utils/thumbnail.php
Initial revision
Diffstat (limited to 'utils/thumbnail.php')
-rw-r--r--utils/thumbnail.php39
1 files changed, 39 insertions, 0 deletions
diff --git a/utils/thumbnail.php b/utils/thumbnail.php
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+++ b/utils/thumbnail.php
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+<?php
+function thumbnail($album, $file, $maxwidth, $maxheight) {
+ global $ALBUMS_DIR;
+
+ if($file =="") return "No such image";
+
+ // Config
+ $quality = 70;
+ $width = $maxwidth;
+ $height = $maxheight;
+
+ // Filenames
+ $thumbnaildir = $ALBUMS_DIR . "/" . $album . "/thumbnails/";
+ $thumbnail = $thumbnaildir . $maxwidth . "x" . $maxheight . "_" . $file;
+ $original = $ALBUMS_DIR . "/" . $album . "/" . $file;
+
+ if(!file_exists($thumbnaildir)) {
+ // The thumbnaildir doesn't exist, create it.
+ mkdir($thumbnaildir, 0755);
+ }
+
+ // Create thumbnail
+ if(!file_exists($thumbnail)) {
+ list($width_orig, $height_orig) = getimagesize($original);
+ if ($width && ($width_orig < $height_orig)) {
+ $width = ($height / $height_orig) * $width_orig;
+ } else {
+ $height = ($width / $width_orig) * $height_orig;
+ }
+ $image_p = imagecreatetruecolor($width, $height);
+ $image = imagecreatefromjpeg($original);
+ imagecopyresampled($image_p, $image, 0, 0, 0, 0, $width, $height, $width_orig, $height_orig);
+ imagejpeg($image_p, $thumbnail, $quality);
+ }
+
+ // Return thumbnail filename
+ return $thumbnail;
+}
+?> \ No newline at end of file