1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071 |
- /*
- * Copyright 1999-2004 The Apache Software Foundation.
- *
- * Licensed 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.area;
-
- /**
- * Area tree extension interface.
- * This interface is used by area tree extensions that are handled
- * by the renderer.
- * When this extension is handled by the area tree it is rendered
- * according to the three possibilities, IMMEDIATELY, AFTER_PAGE
- * or END_OF_DOC.
- */
- public interface TreeExt {
- /**
- * Render this extension immediately when
- * being handled by the area tree.
- */
- public static final int IMMEDIATELY = 0;
-
- /**
- * Render this extension after the next page is rendered
- * or prepared when being handled by the area tree.
- */
- public static final int AFTER_PAGE = 1;
-
- /**
- * Render this extension at the end of the document once
- * all pages have been fully rendered.
- */
- public static final int END_OF_DOC = 2;
-
- /**
- * Check if this tree extension is also resolveable so that
- * the area tree can do id reference resolution when the
- * extension is added to the area tree.
- *
- * @return true if this also implements resolveable
- */
- boolean isResolveable();
-
- /**
- * Get the mime type for the document that this area tree
- * extension applies.
- *
- * @return the mime type of the document where this applies
- */
- String getMimeType();
-
- /**
- * Get the name of this extension.
- *
- * @return the name of this extension
- */
- String getName();
- }
|