210 lines
9.3 KiB
Java
210 lines
9.3 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.usermodel;
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import java.awt.geom.AffineTransform;
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import java.awt.geom.Path2D;
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import java.awt.geom.PathIterator;
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import java.awt.geom.Rectangle2D;
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import org.apache.poi.sl.usermodel.FreeformShape;
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import org.apache.poi.util.Beta;
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import org.apache.poi.util.Units;
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import org.apache.xmlbeans.XmlObject;
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import org.openxmlformats.schemas.drawingml.x2006.main.CTAdjPoint2D;
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import org.openxmlformats.schemas.drawingml.x2006.main.CTCustomGeometry2D;
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import org.openxmlformats.schemas.drawingml.x2006.main.CTGeomRect;
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import org.openxmlformats.schemas.drawingml.x2006.main.CTNonVisualDrawingProps;
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import org.openxmlformats.schemas.drawingml.x2006.main.CTPath2D;
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import org.openxmlformats.schemas.drawingml.x2006.main.CTPath2DClose;
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import org.openxmlformats.schemas.drawingml.x2006.main.CTPath2DCubicBezierTo;
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import org.openxmlformats.schemas.drawingml.x2006.main.CTPath2DLineTo;
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import org.openxmlformats.schemas.drawingml.x2006.main.CTPath2DMoveTo;
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import org.openxmlformats.schemas.drawingml.x2006.main.CTPath2DQuadBezierTo;
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import org.openxmlformats.schemas.drawingml.x2006.main.CTShapeProperties;
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import org.openxmlformats.schemas.presentationml.x2006.main.CTShape;
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import org.openxmlformats.schemas.presentationml.x2006.main.CTShapeNonVisual;
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/**
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* Represents a custom geometric shape.
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* This shape will consist of a series of lines and curves described within a creation path.
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*/
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@Beta
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public class XSLFFreeformShape extends XSLFAutoShape
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implements FreeformShape<XSLFShape,XSLFTextParagraph> {
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/*package*/ XSLFFreeformShape(CTShape shape, XSLFSheet sheet) {
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super(shape, sheet);
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}
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@Override
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public int setPath(Path2D.Double path) {
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CTPath2D ctPath = CTPath2D.Factory.newInstance();
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Rectangle2D bounds = path.getBounds2D();
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int x0 = Units.toEMU(bounds.getX());
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int y0 = Units.toEMU(bounds.getY());
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PathIterator it = path.getPathIterator(new AffineTransform());
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int numPoints = 0;
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ctPath.setH(Units.toEMU(bounds.getHeight()));
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ctPath.setW(Units.toEMU(bounds.getWidth()));
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while (!it.isDone()) {
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double[] vals = new double[6];
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int type = it.currentSegment(vals);
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switch (type) {
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case PathIterator.SEG_MOVETO:
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CTAdjPoint2D mv = ctPath.addNewMoveTo().addNewPt();
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mv.setX(Units.toEMU(vals[0]) - x0);
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mv.setY(Units.toEMU(vals[1]) - y0);
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numPoints++;
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break;
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case PathIterator.SEG_LINETO:
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CTAdjPoint2D ln = ctPath.addNewLnTo().addNewPt();
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ln.setX(Units.toEMU(vals[0]) - x0);
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ln.setY(Units.toEMU(vals[1]) - y0);
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numPoints++;
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break;
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case PathIterator.SEG_QUADTO:
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CTPath2DQuadBezierTo qbez = ctPath.addNewQuadBezTo();
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CTAdjPoint2D qp1 = qbez.addNewPt();
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qp1.setX(Units.toEMU(vals[0]) - x0);
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qp1.setY(Units.toEMU(vals[1]) - y0);
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CTAdjPoint2D qp2 = qbez.addNewPt();
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qp2.setX(Units.toEMU(vals[2]) - x0);
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qp2.setY(Units.toEMU(vals[3]) - y0);
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numPoints += 2;
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break;
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case PathIterator.SEG_CUBICTO:
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CTPath2DCubicBezierTo bez = ctPath.addNewCubicBezTo();
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CTAdjPoint2D p1 = bez.addNewPt();
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p1.setX(Units.toEMU(vals[0]) - x0);
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p1.setY(Units.toEMU(vals[1]) - y0);
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CTAdjPoint2D p2 = bez.addNewPt();
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p2.setX(Units.toEMU(vals[2]) - x0);
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p2.setY(Units.toEMU(vals[3]) - y0);
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CTAdjPoint2D p3 = bez.addNewPt();
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p3.setX(Units.toEMU(vals[4]) - x0);
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p3.setY(Units.toEMU(vals[5]) - y0);
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numPoints += 3;
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break;
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case PathIterator.SEG_CLOSE:
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numPoints++;
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ctPath.addNewClose();
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break;
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default:
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throw new IllegalStateException("Unrecognized path segment type: " + type);
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}
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it.next();
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}
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XmlObject xo = getShapeProperties();
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if (!(xo instanceof CTShapeProperties)) {
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return -1;
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}
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((CTShapeProperties)xo).getCustGeom().getPathLst().setPathArray(new CTPath2D[]{ctPath});
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setAnchor(bounds);
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return numPoints;
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}
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@Override
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public Path2D.Double getPath() {
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Path2D.Double path = new Path2D.Double();
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Rectangle2D bounds = getAnchor();
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XmlObject xo = getShapeProperties();
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if (!(xo instanceof CTShapeProperties)) {
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return null;
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}
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CTCustomGeometry2D geom = ((CTShapeProperties)xo).getCustGeom();
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for(CTPath2D spPath : geom.getPathLst().getPathArray()){
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double scaleW = bounds.getWidth() / Units.toPoints(spPath.getW());
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double scaleH = bounds.getHeight() / Units.toPoints(spPath.getH());
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for(XmlObject ch : spPath.selectPath("*")){
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if(ch instanceof CTPath2DMoveTo){
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CTAdjPoint2D pt = ((CTPath2DMoveTo)ch).getPt();
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path.moveTo(
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(float) (Units.toPoints((Long) pt.getX()) * scaleW),
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(float) (Units.toPoints((Long) pt.getY()) * scaleH));
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} else if (ch instanceof CTPath2DLineTo){
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CTAdjPoint2D pt = ((CTPath2DLineTo)ch).getPt();
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path.lineTo((float)Units.toPoints((Long)pt.getX()),
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(float)Units.toPoints((Long)pt.getY()));
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} else if (ch instanceof CTPath2DQuadBezierTo){
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CTPath2DQuadBezierTo bez = ((CTPath2DQuadBezierTo)ch);
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CTAdjPoint2D pt1 = bez.getPtArray(0);
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CTAdjPoint2D pt2 = bez.getPtArray(1);
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path.quadTo(
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(float) (Units.toPoints((Long) pt1.getX()) * scaleW),
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(float) (Units.toPoints((Long) pt1.getY()) * scaleH),
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(float) (Units.toPoints((Long) pt2.getX()) * scaleW),
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(float) (Units.toPoints((Long) pt2.getY()) * scaleH));
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} else if (ch instanceof CTPath2DCubicBezierTo){
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CTPath2DCubicBezierTo bez = ((CTPath2DCubicBezierTo)ch);
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CTAdjPoint2D pt1 = bez.getPtArray(0);
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CTAdjPoint2D pt2 = bez.getPtArray(1);
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CTAdjPoint2D pt3 = bez.getPtArray(2);
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path.curveTo(
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(float) (Units.toPoints((Long) pt1.getX()) * scaleW),
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(float) (Units.toPoints((Long) pt1.getY()) * scaleH),
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(float) (Units.toPoints((Long) pt2.getX()) * scaleW),
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(float) (Units.toPoints((Long) pt2.getY()) * scaleH),
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(float) (Units.toPoints((Long) pt3.getX()) * scaleW),
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(float) (Units.toPoints((Long) pt3.getY()) * scaleH));
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} else if (ch instanceof CTPath2DClose){
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path.closePath();
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}
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}
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}
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// the created path starts at (x=0, y=0).
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// The returned path should fit in the bounding rectangle
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AffineTransform at = new AffineTransform();
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at.translate(bounds.getX(), bounds.getY());
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return new Path2D.Double(at.createTransformedShape(path));
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}
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/**
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* @param shapeId 1-based shapeId
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*/
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static CTShape prototype(int shapeId) {
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CTShape ct = CTShape.Factory.newInstance();
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CTShapeNonVisual nvSpPr = ct.addNewNvSpPr();
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CTNonVisualDrawingProps cnv = nvSpPr.addNewCNvPr();
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cnv.setName("Freeform " + shapeId);
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cnv.setId(shapeId + 1);
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nvSpPr.addNewCNvSpPr();
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nvSpPr.addNewNvPr();
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CTShapeProperties spPr = ct.addNewSpPr();
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CTCustomGeometry2D geom = spPr.addNewCustGeom();
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geom.addNewAvLst();
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geom.addNewGdLst();
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geom.addNewAhLst();
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geom.addNewCxnLst();
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CTGeomRect rect = geom.addNewRect();
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rect.setR("r");
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rect.setB("b");
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rect.setT("t");
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rect.setL("l");
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geom.addNewPathLst();
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return ct;
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}
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}
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