| /* |
| |
| 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. |
| |
| */ |
| package org.apache.batik.gvt; |
| |
| import java.awt.Graphics2D; |
| import java.awt.geom.Point2D; |
| import java.awt.geom.Rectangle2D; |
| |
| /** |
| * A graphics node that represents an image described as a graphics node. |
| * |
| * @author <a href="mailto:Thierry.Kormann@sophia.inria.fr">Thierry Kormann</a> |
| * @version $Id$ |
| */ |
| public class ImageNode extends CompositeGraphicsNode { |
| |
| protected boolean hitCheckChildren = false; |
| |
| /** |
| * Constructs a new empty <tt>ImageNode</tt>. |
| */ |
| public ImageNode() {} |
| |
| public void setVisible(boolean isVisible) { |
| fireGraphicsNodeChangeStarted(); |
| this.isVisible = isVisible; |
| invalidateGeometryCache(); |
| fireGraphicsNodeChangeCompleted(); |
| } |
| |
| public Rectangle2D getPrimitiveBounds() { |
| if (!isVisible) return null; |
| return super.getPrimitiveBounds(); |
| } |
| /** |
| * If hitCheckChildren is true then nodeHitAt will return |
| * child nodes of this image. Otherwise it will only |
| * return this node (if the point is in the image). |
| */ |
| public void setHitCheckChildren(boolean hitCheckChildren) { |
| this.hitCheckChildren = hitCheckChildren; |
| } |
| |
| public boolean getHitCheckChildren() { |
| return hitCheckChildren; |
| } |
| |
| /** |
| * Paints this node. |
| * |
| * @param g2d the Graphics2D to use |
| */ |
| public void paint(Graphics2D g2d) { |
| if (isVisible) { |
| super.paint(g2d); |
| } |
| } |
| |
| /** |
| * Returns true if the specified Point2D is inside the boundary of this |
| * node, false otherwise. |
| * |
| * @param p the specified Point2D in the user space |
| */ |
| public boolean contains(Point2D p) { |
| switch(pointerEventType) { |
| case VISIBLE_PAINTED: |
| case VISIBLE_FILL: |
| case VISIBLE_STROKE: |
| case VISIBLE: |
| return isVisible && super.contains(p); |
| case PAINTED: |
| case FILL: |
| case STROKE: |
| case ALL: |
| return super.contains(p); |
| case NONE: |
| return false; |
| default: |
| return false; |
| } |
| } |
| |
| /** |
| * Returns the GraphicsNode containing point p if this node or one of its |
| * children is sensitive to mouse events at p. |
| * |
| * @param p the specified Point2D in the user space |
| */ |
| public GraphicsNode nodeHitAt(Point2D p) { |
| if (hitCheckChildren) return super.nodeHitAt(p); |
| |
| return (contains(p) ? this : null); |
| } |
| |
| // |
| // Properties methods |
| // |
| |
| /** |
| * Sets the graphics node that represents the image. |
| * |
| * @param newImage the new graphics node that represents the image |
| */ |
| public void setImage(GraphicsNode newImage) { |
| fireGraphicsNodeChangeStarted(); |
| invalidateGeometryCache(); |
| if (count == 0) ensureCapacity(1); |
| children[0] = newImage; |
| ((AbstractGraphicsNode)newImage).setParent(this); |
| ((AbstractGraphicsNode)newImage).setRoot(getRoot()); |
| count=1; |
| fireGraphicsNodeChangeCompleted(); |
| } |
| |
| /** |
| * Returns the graphics node that represents the image. |
| */ |
| public GraphicsNode getImage() { |
| if (count > 0) { |
| return children[0]; |
| } else { |
| return null; |
| } |
| } |
| } |