/* * SVG Salamander * Copyright (c) 2004, Mark McKay * All rights reserved. * * Redistribution and use in source and binary forms, with or * without modification, are permitted provided that the following * conditions are met: * * - Redistributions of source code must retain the above * copyright notice, this list of conditions and the following * disclaimer. * - Redistributions in binary form must reproduce the above * copyright notice, this list of conditions and the following * disclaimer in the documentation and/or other materials * provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED * OF THE POSSIBILITY OF SUCH DAMAGE. * * Mark McKay can be contacted at mark@kitfox.com. Salamander and other * projects can be found at http://www.kitfox.com * * Created on February 18, 2004, 5:04 PM */ package com.kitfox.svg; import java.awt.Graphics2D; import java.awt.Rectangle; import java.awt.geom.AffineTransform; import java.awt.geom.Point2D; import java.awt.geom.Rectangle2D; import java.io.Serializable; import java.net.URI; import java.util.ArrayList; import java.util.HashMap; import java.util.List; import java.util.logging.Level; import java.util.logging.Logger; /** * Top level structure in an SVG tree. * * @author Mark McKay * @author <a href="mailto:mark@kitfox.com">Mark McKay</a> */ public class SVGDiagram implements Serializable { public static final long serialVersionUID = 0; // Indexes elements within this SVG diagram final HashMap idMap = new HashMap(); SVGRoot root; final SVGUniverse universe; /** * This is used by the SVGRoot to determine the width of the */ private Rectangle deviceViewport = new Rectangle(100, 100); /** * If true, no attempt will be made to discard geometry based on it being * out of bounds. This trades potentially drawing many out of bounds shapes * with having to recalculate bounding boxes every animation iteration. */ protected boolean ignoreClipHeuristic = false; /** * URL which uniquely identifies this document */ // final URI docRoot; /** * URI that uniquely identifies this document. Also used to resolve relative * urls. Default base for document. */ final URI xmlBase; /** Creates a new instance of SVGDiagram */ public SVGDiagram(URI xmlBase, SVGUniverse universe) { this.universe = universe; // this.docRoot = docRoot; this.xmlBase = xmlBase; } /** * Draws this diagram to the passed graphics context */ public void render(Graphics2D g) throws SVGException { root.render(g); } /** * Searches thorough the scene graph for all RenderableElements that have * shapes that contain the passed point. * * For every shape which contains the pick point, a List containing the path * to the node is added to the return list. That is, the result of * SVGElement.getPath() is added for each entry. * * @return the passed in list */ public List pick(Point2D point, List retVec) throws SVGException { return pick(point, false, retVec); } public List pick(Point2D point, boolean boundingBox, List retVec) throws SVGException { if (retVec == null) { retVec = new ArrayList(); } root.pick(point, boundingBox, retVec); return retVec; } public List pick(Rectangle2D pickArea, List retVec) throws SVGException { return pick(pickArea, false, retVec); } public List pick(Rectangle2D pickArea, boolean boundingBox, List retVec) throws SVGException { if (retVec == null) { retVec = new ArrayList(); } root.pick(pickArea, new AffineTransform(), boundingBox, retVec); return retVec; } public SVGUniverse getUniverse() { return universe; } public URI getXMLBase() { return xmlBase; } // public URL getDocRoot() // { // return docRoot; // } public float getWidth() { if (root == null) { return 0; } return root.getDeviceWidth(); } public float getHeight() { if (root == null) { return 0; } return root.getDeviceHeight(); } /** * Returns the viewing rectangle of this diagram in device coordinates. */ public Rectangle2D getViewRect(Rectangle2D rect) { if (root != null) { return root.getDeviceRect(rect); } return rect; } public Rectangle2D getViewRect() { return getViewRect(new Rectangle2D.Double()); } public SVGElement getElement(String name) { return (SVGElement) idMap.get(name); } public void setElement(String name, SVGElement node) { idMap.put(name, node); } public void removeElement(String name) { idMap.remove(name); } public SVGRoot getRoot() { return root; } public void setRoot(SVGRoot root) { this.root = root; root.setDiagram(this); } public boolean ignoringClipHeuristic() { return ignoreClipHeuristic; } public void setIgnoringClipHeuristic(boolean ignoreClipHeuristic) { this.ignoreClipHeuristic = ignoreClipHeuristic; } /** * Updates all attributes in this diagram associated with a time event. Ie, * all attributes with track information. */ public void updateTime(double curTime) throws SVGException { if (root == null) { return; } root.updateTime(curTime); } public Rectangle getDeviceViewport() { return deviceViewport; } /** * Sets the dimensions of the device being rendered into. This is used by * SVGRoot when its x, y, width or height parameters are specified as * percentages. */ public void setDeviceViewport(Rectangle deviceViewport) { this.deviceViewport.setBounds(deviceViewport); if (root != null) { try { root.build(); } catch (SVGException ex) { Logger.getLogger(SVGConst.SVG_LOGGER).log(Level.WARNING, "Could not build document", ex); } } } }