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