$url, # Image URL
$title, # Title object for this image. Initialized when needed.
$fileExists, # does the image file exist on disk?
+ $historyLine, # Number of line to return by nextHistoryLine()
+ $historyRes, # result of the query for the image's history
$width, # \
- $height, # --- returned by getimagesize, see http://de3.php.net/manual/en/function.getimagesize.php
+ $height, # |
+ $bits, # --- returned by getimagesize, see http://de3.php.net/manual/en/function.getimagesize.php
$type, # |
$attr; # /
if ( $this->fileExists = file_exists( $this->imagePath ) ) // Sic!, "=" is intended
{
- list($this->width, $this->height, $this->type, $this->attr) = getimagesize( $this->imagePath );
+ @$gis = getimagesize( $this->imagePath );
+ if( $gis !== false ) {
+ $this->width = $gis[0];
+ $this->height = $gis[1];
+ $this->type = $gis[2];
+ $this->attr = $gis[3];
+ if ( isset( $gis["bits"] ) ) {
+ $this->bits = $gis["bits"];
+ } else {
+ $this->bits = 0;
+ }
+ }
}
+ $this->historyLine = 0;
}
function newFromTitle( $nt )
return $width."px-".$this->name;
}
+ //**********************************************************************
+ // Create a thumbnail of the image having the specified width.
+ // The thumbnail will not be created if the width is larger than the
+ // image's width. Let the browser do the scaling in this case.
+ // The thumbnail is stored on disk and is only computed if the thumbnail
+ // file does not exist OR if it is older than the image.
+ // Returns the URL.
function createThumb( $width ) {
global $wgUploadDirectory;
global $wgImageMagickConvertCommand;
global $wgUseImageMagick;
global $wgUseSquid, $wgInternalServer;
+
+ $width = IntVal( $width );
+
$thumbName = $this->thumbName( $width );
$thumbPath = wfImageThumbDir( $thumbName )."/".$thumbName;
$thumbUrl = $this->thumbUrl( $width );
}
# Sanity check $width
- $width = IntVal( $width );
if( $width <= 0 ) {
# BZZZT
return "";
}
+
if( $width > $this->width ) {
# Don't make an image bigger than the source
return $this->getURL();
}
- if ( (! file_exists( $thumbPath ) )
- || ( filemtime($thumbPath) < filemtime($this->imagePath) ) ) {
- # Squid purging
- if ( $wgUseSquid ) {
- $urlArr = Array(
- $wgInternalServer.$thumbUrl
- );
- wfPurgeSquidServers($urlArr);
- }
-
+ if ( (! file_exists( $thumbPath ) ) || ( filemtime($thumbPath) < filemtime($this->imagePath) ) ) {
if ( $wgUseImageMagick ) {
# use ImageMagick
+ # Specify white background color, will be used for transparent images
+ # in Internet Explorer/Windows instead of default black.
$cmd = $wgImageMagickConvertCommand .
- " -quality 85 -geometry {$width} ".
+ " -quality 85 -background white -geometry {$width} ".
escapeshellarg($this->imagePath) . " " .
escapeshellarg($thumbPath);
$conv = shell_exec( $cmd );
#
# First find out what kind of file this is, and select the correct
# input routine for this.
+
+ $truecolor = false;
switch( $this->type ) {
case 1: # GIF
break;
case 2: # JPG
$src_image = imagecreatefromjpeg( $this->imagePath );
+ $truecolor = true;
break;
case 3: # PNG
$src_image = imagecreatefrompng( $this->imagePath );
+ $truecolor = ( $this->bits > 8 );
break;
case 15: # WBMP for WML
$src_image = imagecreatefromwbmp( $this->imagePath );
break;
}
$height = floor( $this->height * ( $width/$this->width ) );
- $dst_image = imagecreatetruecolor( $width, $height );
+ if ( $truecolor ) {
+ $dst_image = imagecreatetruecolor( $width, $height );
+ } else {
+ $dst_image = imagecreate( $width, $height );
+ }
imagecopyresampled( $dst_image, $src_image,
0,0,0,0,
$width, $height, $this->width, $this->height );
unlink( $thumbPath );
}
+ # Purge squid
+ # This has to be done after the image is updated and present for all machines on NFS,
+ # or else the old version might be stored into the squid again
+ if ( $wgUseSquid ) {
+ $urlArr = Array(
+ $wgInternalServer.$thumbUrl
+ );
+ wfPurgeSquidServers($urlArr);
+ }
}
return $thumbUrl;
- } //function createThumb
+ } // END OF function createThumb
+
+ //**********************************************************************
+ // Return the image history of this image, line by line.
+ // starts with current version, then old versions.
+ // uses $this->historyLine to check which line to return:
+ // 0 return line for current version
+ // 1 query for old versions, return first one
+ // 2, ... return next old version from above query
+ function nextHistoryLine()
+ {
+ $fname = "Image::nextHistoryLine()";
+ $dbr =& wfGetDB( DB_SLAVE );
+ if ( $this->historyLine == 0 ) {// called for the first time, return line from cur
+ $this->historyRes = $dbr->select( 'image',
+ array( 'img_size','img_description','img_user','img_user_text','img_timestamp', "'' AS oi_archive_name" ),
+ array( 'img_name' => $this->title->getDBkey() ),
+ $fname
+ );
+ if ( 0 == wfNumRows( $this->historyRes ) ) {
+ return FALSE;
+ }
+ } else if ( $this->historyLine == 1 ) {
+ $this->historyRes = $dbr->select( 'oldimage',
+ array( 'oi_size AS img_size', 'oi_description AS img_description', 'oi_user AS img_user',
+ 'oi_user_text AS img_user_text', 'oi_timestamp AS img_timestamp', 'oi_archive_name'
+ ), array( 'oi_name' => $this->title->getDBkey() ), $fname, array( 'ORDER BY' => 'oi_timestamp DESC' )
+ );
+ }
+ $this->historyLine ++;
+
+ return $dbr->fetchObject( $this->historyRes );
+ }
+
+ function resetHistory()
+ {
+ $this->historyLine = 0;
+ }
+
} //class
+
+function wfImageDir( $fname )
+{
+ global $wgUploadDirectory;
+
+ $hash = md5( $fname );
+ $oldumask = umask(0);
+ $dest = $wgUploadDirectory . '/' . $hash{0};
+ if ( ! is_dir( $dest ) ) { mkdir( $dest, 0777 ); }
+ $dest .= '/' . substr( $hash, 0, 2 );
+ if ( ! is_dir( $dest ) ) { mkdir( $dest, 0777 ); }
+
+ umask( $oldumask );
+ return $dest;
+}
+
+function wfImageThumbDir( $fname , $subdir='thumb')
+{
+ return wfImageArchiveDir( $fname, $subdir );
+}
+
+function wfImageArchiveDir( $fname , $subdir='archive')
+{
+ global $wgUploadDirectory;
+
+ $hash = md5( $fname );
+ $oldumask = umask(0);
+
+ # Suppress warning messages here; if the file itself can't
+ # be written we'll worry about it then.
+ $archive = "{$wgUploadDirectory}/{$subdir}";
+ if ( ! is_dir( $archive ) ) { @mkdir( $archive, 0777 ); }
+ $archive .= '/' . $hash{0};
+ if ( ! is_dir( $archive ) ) { @mkdir( $archive, 0777 ); }
+ $archive .= '/' . substr( $hash, 0, 2 );
+ if ( ! is_dir( $archive ) ) { @mkdir( $archive, 0777 ); }
+
+ umask( $oldumask );
+ return $archive;
+}
+
+function wfRecordUpload( $name, $oldver, $size, $desc, $copyStatus = "", $source = "" )
+{
+ global $wgUser, $wgLang, $wgTitle, $wgOut, $wgDeferredUpdateList;
+ global $wgUseCopyrightUpload;
+
+ $fname = 'wfRecordUpload';
+ $dbw =& wfGetDB( DB_MASTER );
+
+ # img_name must be unique
+ if ( !$dbw->indexUnique( 'image', 'img_name' ) ) {
+ wfDebugDieBacktrace( 'Database schema not up to date, please run maintenance/archives/patch-image_name_unique.sql' );
+ }
+
+
+ $now = wfTimestampNow();
+ $won = wfInvertTimestamp( $now );
+ $size = IntVal( $size );
+
+ if ( $wgUseCopyrightUpload )
+ {
+ $textdesc = '== ' . wfMsg ( 'filedesc' ) . " ==\n" . $desc . "\n" .
+ '== ' . wfMsg ( 'filestatus' ) . " ==\n" . $copyStatus . "\n" .
+ '== ' . wfMsg ( 'filesource' ) . " ==\n" . $source ;
+ }
+ else $textdesc = $desc ;
+
+ $now = wfTimestampNow();
+ $won = wfInvertTimestamp( $now );
+
+ # Test to see if the row exists using INSERT IGNORE
+ # This avoids race conditions by locking the row until the commit, and also
+ # doesn't deadlock. SELECT FOR UPDATE causes a deadlock for every race condition.
+ $dbw->insert( 'image',
+ array(
+ 'img_name' => $name,
+ 'img_size'=> $size,
+ 'img_timestamp' => $now,
+ 'img_description' => $desc,
+ 'img_user' => $wgUser->getID(),
+ 'img_user_text' => $wgUser->getName(),
+ ), $fname, 'IGNORE'
+ );
+ $descTitle = Title::makeTitle( NS_IMAGE, $name );
+
+ if ( $dbw->affectedRows() ) {
+ # Successfully inserted, this is a new image
+ $id = $descTitle->getArticleID();
+
+ if ( $id == 0 ) {
+ $seqVal = $dbw->nextSequenceValue( 'cur_cur_id_seq' );
+ $dbw->insertArray( 'cur',
+ array(
+ 'cur_id' => $seqVal,
+ 'cur_namespace' => NS_IMAGE,
+ 'cur_title' => $name,
+ 'cur_comment' => $desc,
+ 'cur_user' => $wgUser->getID(),
+ 'cur_user_text' => $wgUser->getName(),
+ 'cur_timestamp' => $now,
+ 'cur_is_new' => 1,
+ 'cur_text' => $textdesc,
+ 'inverse_timestamp' => $won,
+ 'cur_touched' => $now
+ ), $fname
+ );
+ $id = $dbw->insertId() or 0; # We should throw an error instead
+
+ RecentChange::notifyNew( $now, $descTitle, 0, $wgUser, $desc );
+
+ $u = new SearchUpdate( $id, $name, $desc );
+ $u->doUpdate();
+ }
+ } else {
+ # Collision, this is an update of an image
+ # Get current image row for update
+ $s = $dbw->getArray( 'image', array( 'img_name','img_size','img_timestamp','img_description',
+ 'img_user','img_user_text' ), array( 'img_name' => $name ), $fname, 'FOR UPDATE' );
+
+ # Insert it into oldimage
+ $dbw->insertArray( 'oldimage',
+ array(
+ 'oi_name' => $s->img_name,
+ 'oi_archive_name' => $oldver,
+ 'oi_size' => $s->img_size,
+ 'oi_timestamp' => $s->img_timestamp,
+ 'oi_description' => $s->img_description,
+ 'oi_user' => $s->img_user,
+ 'oi_user_text' => $s->img_user_text
+ ), $fname
+ );
+
+ # Update the current image row
+ $dbw->updateArray( 'image',
+ array( /* SET */
+ 'img_size' => $size,
+ 'img_timestamp' => wfTimestampNow(),
+ 'img_user' => $wgUser->getID(),
+ 'img_user_text' => $wgUser->getName(),
+ 'img_description' => $desc,
+ ), array( /* WHERE */
+ 'img_name' => $name
+ ), $fname
+ );
+
+ # Invalidate the cache for the description page
+ $descTitle->invalidateCache();
+ }
+
+ $log = new LogPage( wfMsg( 'uploadlogpage' ), wfMsg( 'uploadlogpagetext' ) );
+ $da = wfMsg( 'uploadedimage', '[[:' . $wgLang->getNsText(
+ Namespace::getImage() ) . ":{$name}|{$name}]]" );
+ $ta = wfMsg( 'uploadedimage', $name );
+ $log->addEntry( $da, $desc, $ta );
+}
+
+function wfImageArchiveUrl( $name )
+{
+ global $wgUploadPath;
+
+ $hash = md5( substr( $name, 15) );
+ $url = "{$wgUploadPath}/archive/" . $hash{0} . "/" .
+ substr( $hash, 0, 2 ) . "/{$name}";
+ return wfUrlencode($url);
+}
+
+?>
dépôts / lhc / web / wiklou.git / blobdiff