[10441] | 1 | <?php |
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| 2 | |
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| 3 | if (!defined('PHPWG_ROOT_PATH')) die('Hacking attempt!'); |
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| 4 | |
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| 5 | $service = &$arr[0]; |
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| 6 | $service->addMethod('pwg.images.createThumbnail', 'ws_images_createThumbnail', |
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| 7 | array( |
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| 8 | 'picture'=>array(), |
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| 9 | 'width'=>array('default'=>"128"), |
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| 10 | 'height'=>array('default'=>"128"), |
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| 11 | 'ext'=>array('default'=>"jpg") |
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| 12 | ), |
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| 13 | 'Creates a thumbnail for a given image, |
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| 14 | <br><b>picture</b> is the name of the picture to create thumbnail from.' |
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| 15 | ); |
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| 16 | |
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| 17 | function ws_images_createThumbnail($params, $service) |
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| 18 | { |
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| 19 | $picture = $params['picture']; |
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| 20 | $width = (integer)$params['width']; |
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| 21 | $height = (integer)$params['height']; |
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| 22 | $gd_version = (integer)$params['gd_version']; |
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| 23 | $ext =$params['ext']; |
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| 24 | $square = (isset($params['square']) and $params['square'] == 'true' and function_exists('process_ratio')); |
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| 25 | return RatioResizeImg($picture,$width,$height,$ext,$gd_version,$square); |
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| 26 | } |
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| 27 | |
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| 28 | function RatioResizeImg($path, $newWidth, $newHeight, $tn_ext, $gd_version=2, $square=false) |
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| 29 | { |
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| 30 | global $conf, $lang, $page; |
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| 31 | |
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| 32 | $starttime = get_moment(); |
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| 33 | |
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| 34 | if (!function_exists('gd_info')) |
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| 35 | return new PwgError(WS_ERR_INVALID_PARAM, 'no gd'); |
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| 36 | |
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| 37 | if (!file_exists($path)) |
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| 38 | return new PwgError(WS_ERR_INVALID_PARAM, 'file not found'); |
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| 39 | |
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| 40 | $filename = basename($path); |
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| 41 | $dirname = dirname($path); |
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| 42 | |
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| 43 | // extension of the picture filename |
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| 44 | $extension = get_extension($filename); |
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| 45 | |
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| 46 | if (in_array($extension, array('jpg', 'JPG', 'jpeg', 'JPEG'))) { |
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| 47 | $srcImage = @imagecreatefromjpeg($path); |
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| 48 | } |
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| 49 | elseif ($extension == 'png' or $extension == 'PNG') { |
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| 50 | $srcImage = @imagecreatefrompng($path); |
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| 51 | } else { |
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| 52 | unset($extension); |
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| 53 | } |
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| 54 | |
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| 55 | if ( isset( $srcImage ) ) { |
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| 56 | // width/height |
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| 57 | $srcWidth = imagesx( $srcImage ); |
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| 58 | $srcHeight = imagesy( $srcImage ); |
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| 59 | |
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| 60 | $coord = $square ? process_ratio($srcWidth, $srcHeight) : array('x'=>0, 'y'=>0); |
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| 61 | |
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| 62 | $ratioWidth = $srcWidth/$newWidth; |
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| 63 | $ratioHeight = $srcHeight/$newHeight; |
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| 64 | |
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| 65 | // maximal size exceeded ? |
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| 66 | if ( ( $ratioWidth > 1 ) or ( $ratioHeight > 1 ) ) { |
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| 67 | if ( $ratioWidth < $ratioHeight) { |
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| 68 | $destWidth = $srcWidth/$ratioHeight; |
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| 69 | $destHeight = $newHeight; |
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| 70 | } else { |
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| 71 | $destWidth = $newWidth; |
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| 72 | $destHeight = $srcHeight/$ratioWidth; |
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| 73 | } |
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| 74 | } else { |
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| 75 | $destWidth = $srcWidth; |
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| 76 | $destHeight = $srcHeight; |
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| 77 | } |
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| 78 | // according to the GD version installed on the server |
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| 79 | if ( $gd_version == 2 ) { |
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| 80 | // GD 2.0 or more recent -> good results (but slower) |
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| 81 | $destImage = imagecreatetruecolor( $destWidth, $destHeight); |
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| 82 | imagecopyresampled( $destImage, $srcImage, 0, 0, $coord['x'], $coord['y'], |
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| 83 | $destWidth,$destHeight,$srcWidth,$srcHeight ); |
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| 84 | } else { |
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| 85 | // GD prior to version 2 -> pretty bad results :-/ (but fast) |
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| 86 | $destImage = imagecreate( $destWidth, $destHeight); |
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| 87 | imagecopyresized( $destImage, $srcImage, 0, 0, $coord['x'], $coord['y'], |
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| 88 | $destWidth,$destHeight,$srcWidth,$srcHeight ); |
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| 89 | } |
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| 90 | |
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| 91 | $errors = array(); |
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| 92 | if (($tndir = mkget_thumbnail_dir($dirname, $errors)) == false) { |
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| 93 | return new PwgError($errors[0]); |
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| 94 | } |
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| 95 | |
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| 96 | $dest_file = $tndir.'/'.$conf['prefix_thumbnail']; |
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| 97 | $dest_file.= get_filename_wo_extension($filename); |
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| 98 | $dest_file.= '.'.$tn_ext; |
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| 99 | |
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| 100 | // creation and backup of final picture |
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| 101 | if (!is_writable($tndir)) |
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| 102 | return new PwgError(WS_ERR_INVALID_PARAM, '['.$tndir.'] : '.l10n('no_write_access')); |
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| 103 | |
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| 104 | imagejpeg($destImage, $dest_file, $conf['tn_compression_level']); |
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| 105 | // freeing memory ressources |
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| 106 | imagedestroy( $srcImage ); |
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| 107 | imagedestroy( $destImage ); |
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| 108 | |
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| 109 | list($tn_width, $tn_height) = getimagesize($dest_file); |
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| 110 | $tn_size = floor(filesize($dest_file) / 1024).' KB'; |
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| 111 | |
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| 112 | $endtime = get_moment(); |
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| 113 | |
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| 114 | $info = array( 'path' => $path, |
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| 115 | 'tn_file' => $dest_file, |
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| 116 | 'tn_width' => $tn_width, |
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| 117 | 'tn_height' => $tn_height, |
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| 118 | 'tn_size' => $tn_size, |
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| 119 | 'tn_time' => number_format(($endtime - $starttime) * 1000, 2, '.', ' ').' ms'); |
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| 120 | return $info; |
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| 121 | } else { |
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| 122 | // error |
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| 123 | $err=l10n('tn_no_support'); |
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| 124 | if ( isset( $extension ) ) |
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| 125 | $err .= l10n('tn_format').' '.$extension; |
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| 126 | else |
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| 127 | $err .= l10n('tn_thisformat'); |
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| 128 | return new PwgError(WS_ERR_INVALID_PARAM, $err); |
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| 129 | } |
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| 130 | } |
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| 131 | |
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| 132 | ?> |
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