69 lines
2.6 KiB
Java
69 lines
2.6 KiB
Java
/*
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* ====================================================================
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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* ====================================================================
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*/
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package org.apache.poi.xslf.model.geom;
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import org.openxmlformats.schemas.drawingml.x2006.main.CTPath2DArcTo;
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import java.awt.geom.Arc2D;
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import java.awt.geom.GeneralPath;
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import java.awt.geom.Point2D;
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/**
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* ArcTo command within a shape path in DrawingML:
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*
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* <arcTo wR="wr" hR="hr" stAng="stAng" swAng="swAng"/>
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*
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* Where <code>wr</code> and <code>wh</code> are the height and width radiuses
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* of the supposed circle being used to draw the arc. This gives the circle
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* a total height of (2 * hR) and a total width of (2 * wR)
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*
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* stAng is the <code>start</code> angle and <code></>swAng</code> is the swing angle
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*
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* @author Yegor Kozlov
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*/
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public class ArcToCommand implements PathCommand {
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private String hr, wr, stAng, swAng;
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ArcToCommand(CTPath2DArcTo arc){
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hr = arc.getHR().toString();
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wr = arc.getWR().toString();
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stAng = arc.getStAng().toString();
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swAng = arc.getSwAng().toString();
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}
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public void execute(GeneralPath path, Context ctx){
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double rx = ctx.getValue(wr);
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double ry = ctx.getValue(hr);
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double start = ctx.getValue(stAng) / 60000;
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double extent = ctx.getValue(swAng) / 60000;
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Point2D pt = path.getCurrentPoint();
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double x0 = pt.getX() - rx - rx * Math.cos(Math.toRadians(start));
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double y0 = pt.getY() - ry - ry * Math.sin(Math.toRadians(start));
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Arc2D arc = new Arc2D.Double(
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x0,
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y0,
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2 * rx, 2 * ry,
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-start, -extent,
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Arc2D.OPEN);
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path.append(arc, true);
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}
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}
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