poi/src/testcases/org/apache/poi/sl/usermodel/BaseTestSlideShow.java

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   this work for additional information regarding copyright ownership.
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package org.apache.poi.sl.usermodel;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertSame;

import java.awt.Color;
import java.awt.geom.Rectangle2D;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.util.List;

import org.apache.poi.POIDataSamples;
import org.apache.poi.sl.usermodel.PictureData.PictureType;
import org.apache.poi.sl.usermodel.TabStop.TabStopType;
import org.junit.Test;

public abstract class BaseTestSlideShow {
    protected static final POIDataSamples slTests = POIDataSamples.getSlideShowInstance();
    
    public abstract SlideShow<?, ?> createSlideShow();

    public abstract SlideShow<?, ?> reopen(SlideShow<?, ?> show);
    
    @Test
    public void addPicture_File() throws IOException {
        SlideShow<?,?> show = createSlideShow();
        File f = slTests.getFile("clock.jpg");
        
        assertEquals(0, show.getPictureData().size());
        PictureData picture = show.addPicture(f, PictureType.JPEG);
        assertEquals(1, show.getPictureData().size());
        assertSame(picture, show.getPictureData().get(0));
        
        show.close();
    }
    
    @Test
    public void addPicture_Stream() throws IOException {
        SlideShow<?,?> show = createSlideShow();
        try {
            InputStream stream = slTests.openResourceAsStream("clock.jpg");
            try {
                assertEquals(0, show.getPictureData().size());
                PictureData picture = show.addPicture(stream, PictureType.JPEG);
                assertEquals(1, show.getPictureData().size());
                assertSame(picture, show.getPictureData().get(0));

            } finally {
                stream.close();
            }
        } finally {
            show.close();
        }
    }
    
    @Test
    public void addPicture_ByteArray() throws IOException {
        SlideShow<?,?> show = createSlideShow();
        byte[] data = slTests.readFile("clock.jpg");
        
        assertEquals(0, show.getPictureData().size());
        PictureData picture = show.addPicture(data, PictureType.JPEG);
        assertEquals(1, show.getPictureData().size());
        assertSame(picture, show.getPictureData().get(0));
        
        show.close();
    }
    
    @Test
    public void findPicture() throws IOException {
        SlideShow<?,?> show = createSlideShow();
        byte[] data = slTests.readFile("clock.jpg");
        
        assertNull(show.findPictureData(data));
        PictureData picture = show.addPicture(data, PictureType.JPEG);
        PictureData found = show.findPictureData(data);
        assertNotNull(found);
        assertEquals(picture, found);
        
        show.close();
    }
    
    @Test
    public void addTabStops() throws IOException {
        try (final SlideShow<?,?> show1 = createSlideShow()) {
            // first set the TabStops in the Master sheet
            final MasterSheet<?, ?> master1 = show1.getSlideMasters().get(0);
            final AutoShape<?, ?> master1_as = (AutoShape<?,?>)master1.getPlaceholder(Placeholder.BODY);
            final TextParagraph<?, ?, ? extends TextRun> master1_tp = master1_as.getTextParagraphs().get(0);
            master1_tp.clearTabStops();
            int i1 = 0;
            for (final TabStopType tst : TabStopType.values()) {
                master1_tp.addTabStops(10+i1*10, tst);
                i1++;
            }
            
            // then set it on a normal slide
            final Slide<?,?> slide1 = show1.createSlide();
            final AutoShape<?, ?> slide1_as = slide1.createAutoShape();
            slide1_as.setText("abc");
            slide1_as.setAnchor(new Rectangle2D.Double(100,100,100,100));
            final TextParagraph<?, ?, ? extends TextRun> slide1_tp = slide1_as.getTextParagraphs().get(0);
            slide1_tp.getTextRuns().get(0).setFontColor(new Color(0x563412));
            slide1_tp.clearTabStops();
            int i2 = 0;
            for (final TabStopType tst : TabStopType.values()) {
                slide1_tp.addTabStops(15+i2*5, tst);
                i2++;
            }
            
            try (final SlideShow<?, ?> show2 = reopen(show1)) {
                final MasterSheet<?, ?> master2 = show2.getSlideMasters().get(0);
                final AutoShape<?, ?> master2_as = (AutoShape<?,?>)master2.getPlaceholder(Placeholder.BODY);
                final TextParagraph<?, ?, ? extends TextRun> master2_tp = master2_as.getTextParagraphs().get(0);
                final List<? extends TabStop> master2_tabStops = master2_tp.getTabStops();
                assertNotNull(master2_tabStops);
                int i3 = 0;
                for (final TabStopType tst : TabStopType.values()) {
                    final TabStop ts = master2_tabStops.get(i3);
                    assertEquals(10+i3*10, ts.getPositionInPoints(), 0.0);
                    assertEquals(tst, ts.getType());
                    i3++;
                }
                
                
                final Slide<?,?> slide2 = show2.getSlides().get(0);
                final AutoShape<?,?> slide2_as = (AutoShape<?,?>)slide2.getShapes().get(0);
                final TextParagraph<?, ?, ? extends TextRun> slide2_tp = slide2_as.getTextParagraphs().get(0);
                final List<? extends TabStop> slide2_tabStops = slide2_tp.getTabStops();
                assertNotNull(slide2_tabStops);
                int i4 = 0;
                for (final TabStopType tst : TabStopType.values()) {
                    final TabStop ts = slide2_tabStops.get(i4);
                    assertEquals(15+i4*5, ts.getPositionInPoints(), 0.0);
                    assertEquals(tst, ts.getType());
                    i4++;
                }
            }
        }        
    }

    @Test
    public void shapeAndSlideName() throws IOException {
        final String file = "SampleShow.ppt"+(getClass().getSimpleName().contains("XML")?"x":"");
        try (final InputStream is = slTests.openResourceAsStream(file);
             final SlideShow<? extends Shape, ?> ppt = SlideShowFactory.create(is)) {
            final List<? extends Shape> shapes1 = ppt.getSlides().get(0).getShapes();
            assertEquals("The Title", shapes1.get(0).getShapeName());
            assertEquals("Another Subtitle", shapes1.get(1).getShapeName());
            final List<? extends Shape> shapes2 = ppt.getSlides().get(1).getShapes();
            assertEquals("Title 1", shapes2.get(0).getShapeName());
            assertEquals("Content Placeholder 2", shapes2.get(1).getShapeName());

            for (final Slide<?,?> slide : ppt.getSlides()) {
                final String expected = slide.getSlideNumber()==1 ? "FirstSlide" : "Slide2";
                assertEquals(expected, slide.getSlideName());
            }
        }
    }
}