/**
* <a href="http://www.openolat.org">
* OpenOLAT - Online Learning and Training</a><br>
* <p>
* Licensed under the Apache License, Version 2.0 (the "License"); <br>
* you may not use this file except in compliance with the License.<br>
* You may obtain a copy of the License at the
* <a href="http://www.apache.org/licenses/LICENSE-2.0">Apache homepage</a>
* <p>
* Unless required by applicable law or agreed to in writing,<br>
* software distributed under the License is distributed on an "AS IS" BASIS, <br>
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. <br>
* See the License for the specific language governing permissions and <br>
* limitations under the License.
* <p>
* Initial code contributed and copyrighted by<br>
* frentix GmbH, http://www.frentix.com
* <p>
*/
package org.olat.core.commons.services.thumbnail;
import org.olat.core.util.vfs.VFSLeaf;
/**
*
* Description:<br>
* Thumbnail service
*
* <P>
* Initial Date: 30 mar. 2010 <br>
* @author srosse, stephane.rosse@frentix.com
*/
public interface ThumbnailService {
/**
* Can the service generate a thumbnail for this thumbnail
* @param file
* @return
*/
public boolean isThumbnailPossible(VFSLeaf file);
/**
* Generate the thumbnail
* @param file to thumbnail
* @param thumbnailFile where the thumbnail will be saved
* @param maxWidth
* @param maxHeight
* @return the real size of the thumbnail
*/
public FinalSize generateThumbnail(VFSLeaf file, VFSLeaf thumbnailFile, int maxWidth, int maxHeight, boolean fill)
throws CannotGenerateThumbnailException;
}