100 lines
3.1 KiB
PHP
100 lines
3.1 KiB
PHP
<?php
|
|
|
|
/**
|
|
* ownCloud - gallery application
|
|
*
|
|
* @author Bartek Przybylski
|
|
* @copyright 2012 Bartek Przybylski bart.p.pl@gmail.com
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
|
|
* License as published by the Free Software Foundation; either
|
|
* version 3 of the License, or any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU AFFERO GENERAL PUBLIC LICENSE for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
|
|
*
|
|
*/
|
|
|
|
require_once('../../../lib/base.php');
|
|
OC_JSON::checkLoggedIn();
|
|
OC_JSON::checkAppEnabled('gallery');
|
|
|
|
function CroppedThumbnail($imgSrc,$thumbnail_width,$thumbnail_height, $tgtImg, $shift) {
|
|
//getting the image dimensions
|
|
list($width_orig, $height_orig) = getimagesize($imgSrc);
|
|
switch (strtolower(substr($imgSrc, strrpos($imgSrc, '.')+1))) {
|
|
case "jpeg":
|
|
case "jpg":
|
|
case "tiff":
|
|
$myImage = imagecreatefromjpeg($imgSrc);
|
|
break;
|
|
case "png":
|
|
$myImage = imagecreatefrompng($imgSrc);
|
|
break;
|
|
default:
|
|
exit();
|
|
}
|
|
if(!$myImage) exit();
|
|
$ratio_orig = $width_orig/$height_orig;
|
|
|
|
if ($thumbnail_width/$thumbnail_height > $ratio_orig) {
|
|
$new_height = $thumbnail_width/$ratio_orig;
|
|
$new_width = $thumbnail_width;
|
|
} else {
|
|
$new_width = $thumbnail_height*$ratio_orig;
|
|
$new_height = $thumbnail_height;
|
|
}
|
|
|
|
$x_mid = $new_width/2; //horizontal middle
|
|
$y_mid = $new_height/2; //vertical middle
|
|
|
|
$process = imagecreatetruecolor(round($new_width), round($new_height));
|
|
|
|
imagecopyresampled($process, $myImage, 0, 0, 0, 0, $new_width, $new_height, $width_orig, $height_orig);
|
|
imagecopyresampled($tgtImg, $process, $shift, 0, ($x_mid-($thumbnail_width/2)), ($y_mid-($thumbnail_height/2)), $thumbnail_width, $thumbnail_height, $thumbnail_width, $thumbnail_height);
|
|
|
|
imagedestroy($process);
|
|
imagedestroy($myImage);
|
|
}
|
|
|
|
$box_size = 200;
|
|
$album_name= $_GET['album_name'];
|
|
|
|
$result = OC_Gallery_Photo::findForAlbum(OC_User::getUser(), $album_name);
|
|
|
|
$numOfItems = min($result->numRows(),10);
|
|
|
|
if ($numOfItems){
|
|
$targetImg = imagecreatetruecolor($numOfItems*$box_size, $box_size);
|
|
}
|
|
else{
|
|
$targetImg = imagecreatetruecolor($box_size, $box_size);
|
|
}
|
|
$counter = 0;
|
|
while (($i = $result->fetchRow()) && $counter < $numOfItems) {
|
|
$imagePath = OC_Filesystem::getLocalFile($i['file_path']);
|
|
if(file_exists($imagePath))
|
|
{
|
|
CroppedThumbnail($imagePath, $box_size, $box_size, $targetImg, $counter*$box_size);
|
|
$counter++;
|
|
}
|
|
}
|
|
|
|
header('Content-Type: image/png');
|
|
|
|
$offset = 3600 * 24;
|
|
// calc the string in GMT not localtime and add the offset
|
|
header("Expires: " . gmdate("D, d M Y H:i:s", time() + $offset) . " GMT");
|
|
header('Cache-Control: max-age='.$offset.', must-revalidate');
|
|
header('Pragma: public');
|
|
|
|
imagepng($targetImg);
|
|
imagedestroy($targetImg);
|
|
?>
|