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- /*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements. See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
- /* $Id$ */
-
- package org.apache.fop.layoutmgr.inline;
-
- import java.util.List;
-
- import org.apache.fop.layoutmgr.LayoutManager;
- import org.apache.fop.layoutmgr.Position;
-
- /**
- * The interface for LayoutManagers which generate inline areas
- */
- public interface InlineLevelLayoutManager extends LayoutManager {
-
- /**
- * Tell the LM to modify its data, adding a letter space
- * to the word fragment represented by the given elements,
- * and returning the corrected elements
- *
- * @param oldList the elements which must be given one more letter space
- * @return the new elements replacing the old ones
- */
- List addALetterSpaceTo(List oldList);
-
- /**
- * Tell the LM to modify its data, adding a letter space
- * to the word fragment represented by the given elements,
- * and returning the corrected elements
- *
- * @param oldList the elements which must be given one more letter space
- * @param depth the depth at which the Positions for this LM in oldList are found
- * @return the new elements replacing the old ones
- */
- List addALetterSpaceTo(List oldList, int depth);
-
- /**
- * Get the word chars corresponding to the given position.
- *
- * @param pos the position referring to the needed word chars.
- * @return the word chars
- */
- String getWordChars(Position pos);
-
- /**
- * Tell the LM to hyphenate a word
- *
- * @param pos the Position referring to the word
- * @param hyphContext the HyphContext storing hyphenation information
- */
- void hyphenate(Position pos, HyphContext hyphContext);
-
- /**
- * Tell the LM to apply the changes due to hyphenation
- *
- * @param oldList the list of the old elements the changes refer to
- * @return true if the LM had to change its data, false otherwise
- */
- boolean applyChanges(List oldList);
-
- /**
- * Tell the LM to apply the changes due to hyphenation
- *
- * @param oldList the list of the old elements the changes refer to
- * @param depth the depth at which the Positions for this LM in oldList are found
- * @return true if the LM had to change its data, false otherwise
- */
- boolean applyChanges(List oldList, int depth);
-
- /**
- * Get a sequence of KnuthElements representing the content
- * of the node assigned to the LM, after changes have been applied
- * @param oldList the elements to replace
- * @param alignment the desired text alignment
- * @param depth the depth at which the Positions for this LM in oldList are found
- * @return the updated list of KnuthElements
- **/
- List getChangedKnuthElements(List oldList, int alignment, int depth);
-
- }
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