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@@ -25,65 +25,22 @@ require_once('../../../lib/base.php'); |
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OC_JSON::checkLoggedIn(); |
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OC_JSON::checkAppEnabled('gallery'); |
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function CroppedThumbnail($imgSrc,$thumbnail_width,$thumbnail_height) { //$imgSrc is a FILE - Returns an image resource. |
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//getting the image dimensions |
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if(! function_exists('imagecreatefromjpeg')) |
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OC_Log::write('gallery','GD module not installed',OC_Log::ERROR); |
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list($width_orig, $height_orig) = getimagesize($imgSrc); |
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switch (strtolower(substr($imgSrc, strrpos($imgSrc, '.')+1))) { |
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case "jpeg": |
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case "jpg": |
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case "tiff": |
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$myImage = imagecreatefromjpeg($imgSrc); |
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break; |
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case "png": |
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$myImage = imagecreatefrompng($imgSrc); |
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break; |
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default: |
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exit(); |
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} |
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if(!$myImage) exit(); |
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$ratio_orig = $width_orig/$height_orig; |
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if ($thumbnail_width/$thumbnail_height > $ratio_orig) { |
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$new_height = $thumbnail_width/$ratio_orig; |
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$new_width = $thumbnail_width; |
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} else { |
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$new_width = $thumbnail_height*$ratio_orig; |
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$new_height = $thumbnail_height; |
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} |
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$x_mid = $new_width/2; //horizontal middle |
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$y_mid = $new_height/2; //vertical middle |
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$process = imagecreatetruecolor(round($new_width), round($new_height)); |
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imagecopyresampled($process, $myImage, 0, 0, 0, 0, $new_width, $new_height, $width_orig, $height_orig); |
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$thumb = imagecreatetruecolor($thumbnail_width, $thumbnail_height); |
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imagecopyresampled($thumb, $process, 0, 0, ($x_mid-($thumbnail_width/2)), ($y_mid-($thumbnail_height/2)), $thumbnail_width, $thumbnail_height, $thumbnail_width, $thumbnail_height); |
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imagedestroy($process); |
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imagedestroy($myImage); |
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return $thumb; |
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} |
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$box_size = 200; |
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$img = $_GET['img']; |
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$imagePath = OC_Filesystem::getLocalFile($img); |
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if(file_exists($imagePath)) |
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{ |
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$image = CroppedThumbnail($imagePath, $box_size, $box_size); |
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if(file_exists($imagePath)) { |
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$image = new OC_Image($imagePath); |
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$image->centerCrop(); |
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$image->resize($box_size, $box_size); |
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$image->fixOrientation(); |
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header('Content-Type: image/png'); |
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$offset = 3600 * 24; |
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// calc the string in GMT not localtime and add the offset |
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header("Expires: " . gmdate("D, d M Y H:i:s", time() + $offset) . " GMT"); |
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header('Cache-Control: max-age='.$offset.', must-revalidate'); |
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header('Pragma: public'); |
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$offset = 3600 * 24; |
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// calc the string in GMT not localtime and add the offset |
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header("Expires: " . gmdate("D, d M Y H:i:s", time() + $offset) . " GMT"); |
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header('Cache-Control: max-age='.$offset.', must-revalidate'); |
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header('Pragma: public'); |
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imagepng($image); |
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imagedestroy($image); |
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$image->show(); |
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} |