| /* |
| |
| 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.bridge; |
| |
| import java.awt.geom.Line2D; |
| |
| import org.apache.batik.anim.dom.AbstractSVGAnimatedLength; |
| import org.apache.batik.anim.dom.AnimatedLiveAttributeValue; |
| import org.apache.batik.anim.dom.SVGOMLineElement; |
| import org.apache.batik.dom.svg.LiveAttributeException; |
| import org.apache.batik.gvt.ShapeNode; |
| import org.apache.batik.gvt.ShapePainter; |
| |
| import org.w3c.dom.Element; |
| |
| /** |
| * Bridge class for the <line> element. |
| * |
| * @author <a href="mailto:tkormann@apache.org">Thierry Kormann</a> |
| * @version $Id$ |
| */ |
| public class SVGLineElementBridge extends SVGDecoratedShapeElementBridge { |
| |
| /** |
| * Constructs a new bridge for the <line> element. |
| */ |
| public SVGLineElementBridge() {} |
| |
| /** |
| * Returns 'line'. |
| */ |
| public String getLocalName() { |
| return SVG_LINE_TAG; |
| } |
| |
| /** |
| * Returns a new instance of this bridge. |
| */ |
| public Bridge getInstance() { |
| return new SVGLineElementBridge(); |
| } |
| |
| /** |
| * Creates the shape painter associated to the specified element. |
| * This implementation creates a shape painter considering the |
| * various fill and stroke properties. |
| * |
| * @param ctx the bridge context to use |
| * @param e the element that describes the shape painter to use |
| * @param shapeNode the shape node that is interested in its shape painter |
| */ |
| protected ShapePainter createFillStrokePainter(BridgeContext ctx, |
| Element e, |
| ShapeNode shapeNode) { |
| // 'fill' - ignored |
| // 'fill-opacity' - ignored |
| // 'stroke' |
| // 'stroke-opacity', |
| // 'stroke-width' |
| // 'stroke-linecap' |
| // 'stroke-linejoin' |
| // 'stroke-miterlimit' |
| // 'stroke-dasharray' |
| // 'stroke-dashoffset' |
| return PaintServer.convertStrokePainter(e, shapeNode, ctx); |
| } |
| |
| /** |
| * Constructs a line according to the specified parameters. |
| * |
| * @param ctx the bridge context to use |
| * @param e the element that describes a rect element |
| * @param shapeNode the shape node to initialize |
| */ |
| protected void buildShape(BridgeContext ctx, |
| Element e, |
| ShapeNode shapeNode) { |
| |
| try { |
| SVGOMLineElement le = (SVGOMLineElement) e; |
| |
| // 'x1' attribute - default is 0 |
| AbstractSVGAnimatedLength _x1 = |
| (AbstractSVGAnimatedLength) le.getX1(); |
| float x1 = _x1.getCheckedValue(); |
| |
| // 'y1' attribute - default is 0 |
| AbstractSVGAnimatedLength _y1 = |
| (AbstractSVGAnimatedLength) le.getY1(); |
| float y1 = _y1.getCheckedValue(); |
| |
| // 'x2' attribute - default is 0 |
| AbstractSVGAnimatedLength _x2 = |
| (AbstractSVGAnimatedLength) le.getX2(); |
| float x2 = _x2.getCheckedValue(); |
| |
| // 'y2' attribute - default is 0 |
| AbstractSVGAnimatedLength _y2 = |
| (AbstractSVGAnimatedLength) le.getY2(); |
| float y2 = _y2.getCheckedValue(); |
| |
| shapeNode.setShape(new Line2D.Float(x1, y1, x2, y2)); |
| } catch (LiveAttributeException ex) { |
| throw new BridgeException(ctx, ex); |
| } |
| } |
| |
| // BridgeUpdateHandler implementation ////////////////////////////////// |
| |
| /** |
| * Invoked when the animated value of an animatable attribute has changed. |
| */ |
| public void handleAnimatedAttributeChanged |
| (AnimatedLiveAttributeValue alav) { |
| if (alav.getNamespaceURI() == null) { |
| String ln = alav.getLocalName(); |
| if (ln.equals(SVG_X1_ATTRIBUTE) |
| || ln.equals(SVG_Y1_ATTRIBUTE) |
| || ln.equals(SVG_X2_ATTRIBUTE) |
| || ln.equals(SVG_Y2_ATTRIBUTE)) { |
| buildShape(ctx, e, (ShapeNode)node); |
| handleGeometryChanged(); |
| return; |
| } |
| } |
| super.handleAnimatedAttributeChanged(alav); |
| } |
| } |