| /* |
| * 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.area; |
| |
| import java.awt.Rectangle; |
| |
| /** |
| * A BlockViewport. |
| * This is used for block level Viewport/reference pairs. |
| * The block-container creates this area. |
| */ |
| public class BlockViewport extends Block implements Viewport { |
| |
| private static final long serialVersionUID = -7840580922580735157L; |
| |
| // clipping for this viewport |
| private boolean clip; |
| // transform if rotated or absolute |
| private CTM viewportCTM; |
| |
| /** |
| * Create a new block viewport area. |
| */ |
| public BlockViewport() { |
| this(false); |
| } |
| |
| /** |
| * Create a new block viewport area. |
| * @param allowBPDUpdate true allows the BPD to be updated when children are added |
| */ |
| public BlockViewport(boolean allowBPDUpdate) { |
| this.allowBPDUpdate = allowBPDUpdate; |
| } |
| |
| /** |
| * Set the transform of this viewport. |
| * If the viewport is rotated or has an absolute positioning |
| * this transform will do the work. |
| * |
| * @param ctm the transformation |
| */ |
| public void setCTM(CTM ctm) { |
| viewportCTM = ctm; |
| } |
| |
| /** |
| * Get the transform of this block viewport. |
| * |
| * @return the transformation of this viewport |
| * or null if normally stacked without rotation |
| */ |
| public CTM getCTM() { |
| return viewportCTM; |
| } |
| |
| /** |
| * Set the clipping for this viewport. |
| * |
| * @param cl the clipping for the viewport |
| */ |
| public void setClip(boolean cl) { |
| clip = cl; |
| } |
| |
| /** {@inheritDoc} */ |
| public boolean hasClip() { |
| return clip; |
| } |
| |
| /** {@inheritDoc} */ |
| public Rectangle getClipRectangle() { |
| if (clip) { |
| return new Rectangle(getIPD(), getBPD()); |
| } else { |
| return null; |
| } |
| } |
| |
| public int getEffectiveIPD() { |
| return getIPD(); |
| } |
| } |
| |