src/ooxml/testcases/org/apache/poi/xslf/usermodel/TestXSLFFreeformShape.java

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package org.apache.poi.xslf.usermodel;


import org.apache.poi.sl.draw.SLGraphics;
import org.junit.jupiter.api.Test;
import org.openxmlformats.schemas.presentationml.x2006.main.CTGroupShape;

import java.awt.Color;
import java.awt.Graphics2D;
import java.awt.Shape;
import java.awt.geom.AffineTransform;
import java.awt.geom.Ellipse2D;
import java.awt.geom.Line2D;
import java.awt.geom.Path2D;
import java.awt.geom.PathIterator;
import java.awt.geom.Rectangle2D;
import java.awt.image.BufferedImage;
import java.io.IOException;

import static org.apache.poi.xslf.usermodel.TestXSLFSimpleShape.getSpPr;
import static org.junit.jupiter.api.Assertions.assertEquals;

class TestXSLFFreeformShape {

    @Test
    void testSetPath() throws IOException {
        XMLSlideShow ppt = new XMLSlideShow();
        XSLFSlide slide = ppt.createSlide();
        XSLFFreeformShape shape1 = slide.createFreeform();
        // comples path consisting of a rectangle and an ellipse inside it
        Path2D.Double path1 = new Path2D.Double(new Rectangle2D.Double(150, 150, 300, 300));
        path1.append(new Ellipse2D.Double(200, 200, 100, 50), false);
        shape1.setPath(path1);

        Path2D.Double path2 = shape1.getPath();

        // YK: how to compare the original path1 and the value returned by XSLFFreeformShape.getPath() ?
        // one way is to create another XSLFFreeformShape from path2 and compare the resulting xml
        assertEquals(path1.getBounds2D(), path2.getBounds2D());

        XSLFFreeformShape shape2 = slide.createFreeform();
        shape2.setPath(path2);

        assertEquals(getSpPr(shape1).getCustGeom().toString(), getSpPr(shape2).getCustGeom().toString());

        ppt.close();
    }

    @Test
    void testZeroWidth() throws IOException {
        // see #61633
        try (XMLSlideShow ppt = new XMLSlideShow()) {
            XSLFSlide slide = ppt.createSlide();
            XSLFFreeformShape shape1 = slide.createFreeform();
            Path2D.Double path1 = new Path2D.Double(new Line2D.Double(100, 150, 100, 300));
            shape1.setPath(path1);
            shape1.setLineColor(Color.BLUE);
            shape1.setLineWidth(1);

            BufferedImage img = new BufferedImage(300, 300, BufferedImage.TYPE_INT_ARGB);
            Graphics2D graphics = img.createGraphics();
            try {
                // previously we used Mockito here, but since JDK 11 mocking the Graphics2D does
                // not work any longer
                Graphics2D graphicsMock = new SLGraphics(new XSLFGroupShape(CTGroupShape.Factory.newInstance(), slide)) {
                    boolean called;

                    @Override
                    public void draw(Shape shape) {
                        if(called) {
                            throw new IllegalStateException("Should only be called once, but was called a second time");
                        }
                        called = true;

                        if(!(shape instanceof Path2D.Double)) {
                            throw new IllegalStateException("Expecting a shape of type Path2D.Double, but had " + shape.getClass());
                        }

                        Path2D.Double actual = (Path2D.Double) shape;
                        PathIterator pi = actual.getPathIterator(new AffineTransform());
                        comparePoint(pi, PathIterator.SEG_MOVETO, 100, 150);
                        pi.next();
                        comparePoint(pi, PathIterator.SEG_LINETO, 100, 300);

                        super.draw(shape);
                    }
                };
                slide.draw(graphicsMock);
            } finally {
                graphics.dispose();
            }
        }
    }

    private void comparePoint(PathIterator pi, int type, double x0, double y0) {
        double[] points = new double[6];
        int piType = pi.currentSegment(points);
        assertEquals(type, piType);
        assertEquals(x0, points[0], 0);
        assertEquals(y0, points[1], 0);
    }
}