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- /*
- * ====================================================================
- * 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.xslf.model.geom;
-
- import org.openxmlformats.schemas.drawingml.x2006.main.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);
- }
- }
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