/**
* Delete a face from an image.
*/
public function deleteFaces()
{
global $injector, $registry;
$face_id = intval($this->vars->face_id);
$image_id = intval($this->vars->image_id);
$storage = $injector->getInstance('Ansel_Storage');
$image = $storage->getImage($image_id);
$gallery = $storage->getGallery($image->gallery);
if (!$gallery->hasPermission($registry->getAuth(), Horde_Perms::EDIT)) {
throw new Ansel_Exception('Access denied editing the photo.');
}
Ansel_Faces::delete($image, $face_id);
return true;
}
/**
* Look for and save faces in a picture, and optionally create the face
* image.
*
* @param mixed $image Image Object/ID to check
* @param boolen $create Create images or store data?
*
* @return array Faces found
* @throws Horde_Exception_PermissionDenied
* @throws Ansel_Exception
*/
public function getFromPicture($image, $create = false)
{
// get image if ID is passed
if (!$image instanceof Ansel_Image) {
$image = $GLOBALS['injector']->getInstance('Ansel_Storage')->getImage($image);
$gallery = $GLOBALS['injector']->getInstance('Ansel_Storage')->getGallery($image->gallery);
if (!$gallery->hasPermission($GLOBALS['registry']->getAuth(), Horde_Perms::EDIT)) {
throw new Horde_Exception_PermissionDenied(_("Access denied editing the photo."));
}
}
// Get the rectangles for any faces in this image.
$faces = $this->getFaces($image);
if (empty($faces)) {
return array();
}
// Clean up any existing faces we may have had in this image.
Ansel_Faces::delete($image);
// Process faces
$fids = array();
foreach ($faces as $i => $rect) {
// Store face id db
$sql = 'INSERT INTO ansel_faces (image_id, gallery_id, face_x1, ' . ' face_y1, face_x2, face_y2)' . ' VALUES (?, ?, ?, ?, ?, ?)';
$params = $this->_getParamsArray($image, $rect);
try {
$face_id = $GLOBALS['ansel_db']->insert($sql, $params);
} catch (Horde_Db_Exception $e) {
throw new Ansel_Exception($result);
}
if ($create) {
$this->_createView($face_id, $image, $rect);
// Clear any loaded views to save on memory usage.
$image->reset();
$this->saveSignature($image->id, $face_id);
}
$fids[$face_id] = '';
}
// Update gallery and image counts
try {
$GLOBALS['ansel_db']->update('UPDATE ansel_images SET image_faces = ' . count($fids) . ' WHERE image_id = ' . $image->id);
$GLOBALS['ansel_db']->update('UPDATE ansel_shares ' . 'SET attribute_faces = attribute_faces + ' . count($fids) . ' WHERE share_id = ' . $image->gallery);
} catch (Horde_Db_Exception $e) {
throw new Ansel_Exception($e);
}
// Expire gallery cache
if ($GLOBALS['conf']['ansel_cache']['usecache']) {
$GLOBALS['injector']->getInstance('Horde_Cache')->expire('Ansel_Gallery' . $gallery->id);
}
return $fids;
}
/**
* Remove an image from this gallery. Note that the image might actually
* belong to a subgallery of this gallery since we are viewing by date.
* Need to take care of updating correct subgallery's image count etc...
*
* @param mixed $image An image_id or Ansel_Image object to delete.
* @param boolean $isStack Image is a stack image (doesn't update count).
*
* @return boolean
* @throws Horde_Exception_NotFound, Ansel_Exception
*/
public function removeImage($image, $isStack)
{
// Make sure $image is an Ansel_Image; if not, try loading it.
if (!$image instanceof Ansel_Image) {
$image = $GLOBALS['injector']->getInstance('Ansel_Storage')->getImage($image);
}
// If image is a stack image, $gallery will be negative.
$image_gallery = abs($image->gallery);
// Make sure the image is in this gallery.
if ($image_gallery != $this->_gallery->id) {
$this->_loadSubGalleries();
if (!in_array($image_gallery, $this->_subGalleries)) {
throw new Horde_Exception_NotFound(_("Image not found in gallery."));
}
}
/* Change gallery info. */
if ($this->_gallery->get('default') == $image->id) {
$this->_gallery->set('default', null);
$this->_gallery->set('default_type', 'auto');
}
/* Delete cached files from VFS. */
$image->deleteCache();
/* Delete original image from VFS. */
try {
$GLOBALS['injector']->getInstance('Horde_Core_Factory_Vfs')->create('images')->deleteFile($image->getVFSPath('full'), $image->getVFSName('full'));
} catch (Horde_Vfs_Exception $e) {
}
/* Delete from storage */
$GLOBALS['injector']->getInstance('Ansel_Storage')->removeImage($image->id);
if (!$isStack) {
$GLOBALS['injector']->getInstance('Ansel_Storage')->getGallery($image_gallery)->updateImageCount(1, false);
}
/* Update the modified flag if we are not a stack image */
if (!$isStack) {
$this->_gallery->set('last_modified', time());
}
/* Save all gallery changes */
$this->_gallery->save();
/* Clear the image's tags */
$image->setTags(array());
/* Clear the image's faces */
if ($image->facesCount) {
Ansel_Faces::delete($image);
}
/* Clear any comments */
if (($GLOBALS['conf']['comments']['allow'] == 'all' || $GLOBALS['conf']['comments']['allow'] == 'authenticated' && $GLOBALS['registry']->getAuth()) && $GLOBALS['registry']->hasMethod('forums/deleteForum')) {
try {
$GLOBALS['registry']->call('forums/deleteForum', array('ansel', $image->id));
} catch (Horde_Exception $e) {
Horde::log($e, 'ERR');
return false;
}
}
return true;
}
