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Code Issues Releases Wiki Activity

thumbnail creation support

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git-svn-id: file:///svn/phpbb/trunk@4160 89ea8834-ac86-4346-8a33-228a782c2dd0
This commit is contained in:
Meik Sievertsen
2003-06-20 17:20:22 +00:00
parent 4f2cf69b68
commit 2e13c45371
4 changed files with 634 additions and 201 deletions
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488
phpBB/includes/functions_posting.php
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@@ -211,7 +211,7 @@ function update_last_post_information($type, $id)
return;
}
$sql = "SELECT p.post_id, p.poster_id, p.post_time, u.username, p.post_username " . $sql_select_add . "
$sql = "SELECT p.post_id, p.poster_id, p.post_time, u.username, p.post_username " . $sql_select_add . "
FROM " . POSTS_TABLE . " p, " . USERS_TABLE . " u, " . TOPICS_TABLE . " t " . $sql_table_add . "
WHERE p.post_approved = 1
AND t.topic_approved = 1
@@ -546,7 +546,7 @@ function upload_attachment($filename)
$filedata = array();
$filedata['error'] = array();
$filedata['post_attach'] = ($filename != '') ? true : false;
$filedata['post_attach'] = ($filename != '') ? TRUE : FALSE;
if (!$filedata['post_attach'])
{
@@ -558,9 +558,9 @@ function upload_attachment($filename)
$filedata['mimetype'] = $_FILES['fileupload']['type'];
// Opera add the name to the mime type
$filedata['mimetype'] = ( strstr($filedata['mimetype'], '; name') ) ? str_replace(strstr($filedata['mimetype'], '; name'), '', $filedata['mimetype']) : $filedata['mimetype'];
$filedata['extension'] = array_pop(explode('.', strtolower($filename)));
$filedata['filesize'] = (!@filesize($file)) ? intval($_FILES['size']) : @filesize($file);
$filedata['mimetype'] = ( strstr($filedata['mimetype'], '; name') ) ? str_replace(strstr($filedata['mimetype'], '; name'), '', $filedata['mimetype']) : $filedata['mimetype'];
$filedata['extension'] = array_pop(explode('.', strtolower($filename)));
$filedata['filesize'] = (!@filesize($file)) ? intval($_FILES['size']) : @filesize($file);
$extensions = array();
obtain_attach_extensions($extensions);
@@ -569,7 +569,7 @@ function upload_attachment($filename)
if (!in_array($filedata['extension'], $extensions['_allowed_']))
{
$filedata['error'][] = sprintf($user->lang['DISALLOWED_EXTENSION'], $filedata['extension']);
$filedata['post_attach'] = false;
$filedata['post_attach'] = FALSE;
return $filedata;
}
@@ -580,7 +580,7 @@ function upload_attachment($filename)
if ( preg_match("/[\\/:*?\"<>|]/i", $filename) )
{
$filedata['error'][] = sprintf($user->lang['INVALID_FILENAME'], $filename);
$filedata['post_attach'] = false;
$filedata['post_attach'] = FALSE;
return $filedata;
}
@@ -588,7 +588,7 @@ function upload_attachment($filename)
if ( ($file == 'none') )
{
$filedata['error'][] = (@ini_get('upload_max_filesize') == '') ? $user->lang['ATTACHMENT_PHP_SIZE_NA'] : sprintf($user->lang['ATTACHMENT_PHP_SIZE_OVERRUN'], @ini_get('upload_max_filesize'));
$filedata['post_attach'] = false;
$filedata['post_attach'] = FALSE;
return $filedata;
}
@@ -702,13 +702,11 @@ function upload_attachment($filename)
$filedata['filename'] = str_replace("'", "\'", $filedata['filename']);
/*
// Do we have to create a thumbnail ?
if ($cat_id == IMAGE_CAT && $config['img_create_thumbnail'])
{
$filedata['thumbnail'] = 1;
}
*/
// Upload Attachment
if (!$config['use_ftp_upload'])
@@ -801,20 +799,17 @@ function move_uploaded_attachment($upload_mode, $source_filename, &$filedata)
*/
}
$filedata['thumbnail'] = 0;
/* if ($filedata['thumbnail'])
if ($filedata['thumbnail'])
{
if ($upload_mode == 'ftp')
/* if ($upload_mode == 'ftp')
{
$source = $source_filename;
$destination = 'thumbs/t_' . $destination_filename;
}
else
{
$source = $config['upload_dir'] . '/' . $destination_filename;
$destination = phpbb_realpath($config['upload_dir']);
$destination .= '/thumbs/t_' . $destination_filename;
}
{*/
$source = $config['upload_dir'] . '/' . $destination_filename;
$destination = $config['upload_dir'] . '/thumbs/t_' . $destination_filename;
if (!create_thumbnail($source, $destination, $filedata['mimetype']))
{
@@ -823,7 +818,7 @@ function move_uploaded_attachment($upload_mode, $source_filename, &$filedata)
$filedata['thumbnail'] = 0;
}
}
}*/
}
return '';
}
@@ -1461,4 +1456,459 @@ function user_notification($mode, $subject, $forum_id, $topic_id, $post_id)
}
}
// Read DWord (4 Bytes) from File
function read_dword($fp)
{
$data = fread($fp, 4);
$value = ord($data[0]) + (ord($data[1])<<8)+(ord($data[2])<<16)+(ord($data[3])<<24);
if ($value >= 4294967294)
{
$value -= 4294967296;
}
return $value;
}
// Read Word (2 Bytes) from File - Note: It's an Intel Word
function read_word($fp)
{
$data = fread($fp, 2);
return ord($data[1]) * 256 + ord($data[0]);
}
// Read Byte
function read_byte($fp)
{
$data = fread($fp, 1);
return ord($data);
}
// Get Image Dimensions... only a test for now, used within create_thumbnail
function image_getdimension($file)
{
$size = @getimagesize($file);
if ($size[0] != 0 || $size[1] != 0)
{
return $size;
}
// Try to get the Dimension manually, depending on the mimetype
$fp = @fopen($file, 'rb');
if (!$fp)
{
return $size;
}
$error = FALSE;
// BMP - IMAGE
$tmp_str = fread($fp, 2);
if ($tmp_str == 'BM')
{
$length = read_dword($fp);
if ($length <= 6)
{
$error = TRUE;
}
if (!$error)
{
$i = read_dword($fp);
if ($i != 0)
{
$error = TRUE;
}
}
if (!$error)
{
$i = read_dword($fp);
if ($i != 0x3E && $i != 0x76 && $i != 0x436 && $i != 0x36)
{
$error = TRUE;
}
}
if (!$error)
{
$tmp_str = fread($fp, 4);
$width = read_dword($fp);
$height = read_dword($fp);
if ($width > 3000 || $height > 3000)
{
$error = TRUE;
}
}
}
else
{
$error = TRUE;
}
if (!$error)
{
fclose($fp);
return array(
$width,
$height,
'6'
);
}
$error = FALSE;
fclose($fp);
// GIF - IMAGE
$fp = @fopen($file, 'rb');
$tmp_str = fread($fp, 3);
if ($tmp_str == 'GIF')
{
$tmp_str = fread($fp, 3);
$width = read_word($fp);
$height = read_word($fp);
$info_byte = fread($fp, 1);
$info_byte = ord($info_byte);
if (($info_byte & 0x80) != 0x80 && ($info_byte & 0x80) != 0)
{
$error = TRUE;
}
if (!$error)
{
if (($info_byte & 8) != 0)
{
$error = TRUE;
}
}
}
else
{
$error = TRUE;
}
if (!$error)
{
fclose($fp);
return array(
$width,
$height,
'1'
);
}
$error = FALSE;
fclose($fp);
// JPG - IMAGE
$fp = @fopen($file, 'rb');
$tmp_str = fread($fp, 4);
$w1 = read_word($fp);
if (intval($w1) < 16)
{
$error = TRUE;
}
if (!$error)
{
$tmp_str = fread($fp, 4);
if ($tmp_str == 'JFIF')
{
$o_byte = fread($fp, 1);
if (intval($o_byte) != 0)
{
$error = TRUE;
}
if (!$error)
{
$str = fread($fp, 2);
$b = read_byte($fp);
if ($b != 0 && $b != 1 && $b != 2)
{
$error = TRUE;
}
}
if (!$error)
{
$width = read_word($fp);
$height = read_word($fp);
if ($width <= 0 || $height <= 0)
{
$error = TRUE;
}
}
}
}
else
{
$error = TRUE;
}
if (!$error)
{
fclose($fp);
return array(
$width,
$height,
'2'
);
}
$error = FALSE;
fclose($fp);
// PCX - IMAGE - I do not think we need this, does browser actually support this imagetype? ;)
// But let me have the fun...
/*
$fp = @fopen($file, 'rb');
$tmp_str = fread($fp, 3);
if (((ord($tmp_str[0]) == 10)) && ( (ord($tmp_str[1]) == 0) || (ord($tmp_str[1]) == 2) || (ord($tmp_str[1]) == 3) || (ord($tmp_str[1]) == 4) || (ord($tmp_str[1]) == 5) ) && ( (ord($tmp_str[2]) == 1) ) )
{
$b = fread($fp, 1);
if (ord($b) != 1 && ord($b) != 2 && ord($b) != 4 && ord($b) != 8 && ord($b) != 24)
{
$error = TRUE;
}
if (!$error)
{
$xmin = read_word($fp);
$ymin = read_word($fp);
$xmax = read_word($fp);
$ymax = read_word($fp);
$tmp_str = fread($fp, 52);
$b = fread($fp, 1);
if ($b != 0)
{
$error = TRUE;
}
}
if (!$error)
{
$width = $xmax - $xmin + 1;
$height = $ymax - $ymin + 1;
}
}
else
{
$error = TRUE;
}
if (!$error)
{
fclose($fp);
return array(
$width,
$height,
'7'
);
}
fclose($fp);
*/
return $size;
}
// Calculate the needed size for Thumbnail
// I am sure i had this grabbed from some site... source: unknown
function get_img_size_format($width, $height)
{
// Change these two values to define the Thumbnail Size
$max_width = 300;
$max_height = 85;
if ($height > $max_height)
{
$new_width = ($max_height / $height) * $width;
$new_height = $max_height;
if ($new_width > $max_width)
{
$new_height = ($max_width / $new_width) * $new_height;
$new_width = $max_width;
}
}
else if ($width > $max_width)
{
$new_height = ($max_width / $width) * $height;
$new_width = $max_width;
if ($new_height > $max_height)
{
$new_width = ($max_height / $new_height) * $new_width;
$new_height = $max_height;
}
}
else
{
$new_width = $width;
$new_height = $height;
}
return array(
round($new_width),
round($new_height)
);
}
function get_supported_image_types()
{
$types = array();
if (@extension_loaded('gd'))
{
if (@function_exists('imagegif'))
{
$types[] = '1';
}
if (@function_exists('imagejpeg'))
{
$types[] = '2';
}
if (@function_exists('imagepng'))
{
$types[] = '3';
}
}
return $types;
}
// Create Thumbnail
function create_thumbnail($source, $new_file, $mimetype)
{
global $config;
$source = realpath($source);
$min_filesize = intval($config['img_min_thumb_filesize']);
$img_filesize = (file_exists($source)) ? @filesize($source) : FALSE;
if (!$img_filesize || $img_filesize <= $min_filesize)
{
return FALSE;
}
$size = image_getdimension($source);
if ($size[0] == 0 && $size[1] == 0)
{
return FALSE;
}
$new_size = get_img_size_format($size[0], $size[1]);
$tmp_path = '';
$old_file = '';
/*
if (intval($config['allow_ftp_upload']))
{
$old_file = $new_file;
$tmp_path = explode('/', $source);
$tmp_path[count($tmp_path)-1] = '';
$tmp_path = implode('/', $tmp_path);
if ($tmp_path == '')
{
$tmp_path = '/tmp';
}
$value = trim($tmp_path);
if ($value[strlen($value)-1] == '/')
{
$value[strlen($value)-1] = ' ';
}
$new_file = trim($value) . '/t00000';
}
*/
$used_imagick = FALSE;
if ($config['img_imagick'] != '')
{
if (is_array($size) && count($size) > 0)
{
@exec($config['img_imagick'] . ' -quality 75 -antialias -sample ' . $new_size[0] . 'x' . $new_size[1] . ' ' . $source . ' +profile "*" ' . $new_file);
if (file_exists($new_file))
{
$used_imagick = TRUE;
}
}
}
if (!$used_imagick)
{
$type = $size[2];
$supported_types = get_supported_image_types();
if (in_array($type, $supported_types))
{
switch ($type)
{
case '1' :
$image = imagecreatefromgif($source);
$new_image = imagecreate($new_size[0], $new_size[1]);
imagecopyresized($new_image, $image, 0, 0, 0, 0, $new_size[0], $new_size[1], $size[0], $size[1]);
imagegif($new_image, $new_file);
break;
case '2' :
$image = imagecreatefromjpeg($source);
$new_image = imagecreate($new_size[0], $new_size[1]);
imagecopyresized($new_image, $image, 0, 0, 0, 0, $new_size[0], $new_size[1], $size[0], $size[1]);
imagejpeg($new_image, $new_file, 90);
break;
case '3' :
$image = imagecreatefrompng($source);
$new_image = imagecreate($new_size[0], $new_size[1]);
imagecopyresized($new_image, $image, 0, 0, 0, 0, $new_size[0], $new_size[1], $size[0], $size[1]);
imagepng($new_image, $new_file);
break;
}
}
}
if (!file_exists($new_file))
{
return FALSE;
}
/* if (intval($config['allow_ftp_upload']))
{
$result = ftp_file($new_file, $old_file, $this->type, TRUE); // True for disable error-mode
if (!$result)
{
return (FALSE);
}
}
else
{*/
@chmod($new_file, 0666);
return TRUE;
}
?>