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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.usermodel;
-
- import java.awt.geom.AffineTransform;
- import java.awt.geom.GeneralPath;
- import java.awt.geom.PathIterator;
- import java.awt.geom.Rectangle2D;
-
- 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.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.
- *
- * @author Yegor Kozlov
- */
- @Beta
- public class XSLFFreeformShape extends XSLFAutoShape {
-
- /*package*/ XSLFFreeformShape(CTShape shape, XSLFSheet sheet) {
- super(shape, sheet);
- }
-
- /**
- * Set the shape path
- *
- * @param path shape outline
- * @return the number of points written
- */
- public int setPath(GeneralPath 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_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;
- }
- it.next();
- }
- getSpPr().getCustGeom().getPathLst().setPathArray(new CTPath2D[]{ctPath});
- setAnchor(bounds);
- return numPoints;
- }
-
- /**
- * Gets the shape path.
- * <p>
- * The path is translated in the shape's coordinate system, i.e.
- * freeform.getPath().getBounds2D() equals to freeform.getAnchor()
- * (small discrepancies are possible due to rounding errors)
- * </p>
- *
- * @return the path
- */
- @SuppressWarnings("deprecation")
- public GeneralPath getPath() {
- GeneralPath path = new GeneralPath();
- Rectangle2D bounds = getAnchor();
-
- CTCustomGeometry2D geom = getSpPr().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 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 GeneralPath(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;
- }
- }
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