| /* |
| * ==================================================================== |
| * 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.poi.sl.draw.geom; |
| |
| import org.apache.poi.sl.draw.binding.CTPath2DArcTo; |
| |
| import java.awt.geom.Arc2D; |
| import java.awt.geom.GeneralPath; |
| import java.awt.geom.Point2D; |
| |
| /** |
| * ArcTo command within a shape path in DrawingML: |
| * |
| * <arcTo wR="wr" hR="hr" stAng="stAng" swAng="swAng"/> |
| * |
| * Where <code>wr</code> and <code>wh</code> are the height and width radiuses |
| * of the supposed circle being used to draw the arc. This gives the circle |
| * a total height of (2 * hR) and a total width of (2 * wR) |
| * |
| * stAng is the <code>start</code> angle and <code></>swAng</code> is the swing angle |
| * |
| * @author Yegor Kozlov |
| */ |
| public class ArcToCommand implements PathCommand { |
| private String hr, wr, stAng, swAng; |
| |
| ArcToCommand(CTPath2DArcTo arc){ |
| hr = arc.getHR().toString(); |
| wr = arc.getWR().toString(); |
| stAng = arc.getStAng().toString(); |
| swAng = arc.getSwAng().toString(); |
| } |
| |
| public void execute(GeneralPath path, Context ctx){ |
| double rx = ctx.getValue(wr); |
| double ry = ctx.getValue(hr); |
| double start = ctx.getValue(stAng) / 60000; |
| double extent = ctx.getValue(swAng) / 60000; |
| Point2D pt = path.getCurrentPoint(); |
| double x0 = pt.getX() - rx - rx * Math.cos(Math.toRadians(start)); |
| double y0 = pt.getY() - ry - ry * Math.sin(Math.toRadians(start)); |
| |
| Arc2D arc = new Arc2D.Double( |
| x0, |
| y0, |
| 2 * rx, 2 * ry, |
| -start, -extent, |
| Arc2D.OPEN); |
| path.append(arc, true); |
| } |
| } |