testshapes.java

来自「EXCEL read and write」· Java 代码 · 共 362 行

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   this work for additional information regarding copyright ownership.
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   (the "License"); you may not use this file except in compliance with
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       http://www.apache.org/licenses/LICENSE-2.0

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   distributed under the License is distributed on an "AS IS" BASIS,
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package org.apache.poi.hslf.model;

import junit.framework.TestCase;
import org.apache.poi.hslf.usermodel.SlideShow;
import org.apache.poi.hslf.usermodel.RichTextRun;
import org.apache.poi.hslf.HSLFSlideShow;
import org.apache.poi.ddf.EscherDggRecord;
import org.apache.poi.ddf.EscherDgRecord;

import java.awt.*;
import java.awt.Rectangle;
import java.io.ByteArrayOutputStream;
import java.io.ByteArrayInputStream;
import java.io.File;
import java.io.IOException;
import java.util.ArrayList;

/**
 * Test drawing shapes via Graphics2D
 *
 * @author Yegor Kozlov
 */
public class TestShapes extends TestCase {
    private SlideShow ppt;
    private SlideShow pptB;

    protected void setUp() throws Exception {
		String dirname = System.getProperty("HSLF.testdata.path");
		String filename = dirname + "/empty.ppt";
		ppt = new SlideShow(new HSLFSlideShow(filename));
		
		String filenameB = dirname + "/empty_textbox.ppt";
		pptB = new SlideShow(new HSLFSlideShow(filenameB));
    }

    public void testGraphics() throws Exception {
        Slide slide = ppt.createSlide();

        Line line = new Line();
        java.awt.Rectangle lineAnchor = new java.awt.Rectangle(100, 200, 50, 60);
        line.setAnchor(lineAnchor);
        line.setLineWidth(3);
        line.setLineStyle(Line.PEN_DASH);
        line.setLineColor(Color.red);
        slide.addShape(line);

        AutoShape ellipse = new AutoShape(ShapeTypes.Ellipse);
        java.awt.Rectangle ellipseAnchor = new Rectangle(320, 154, 55, 111);
        ellipse.setAnchor(ellipseAnchor);
        ellipse.setLineWidth(2);
        ellipse.setLineStyle(Line.PEN_SOLID);
        ellipse.setLineColor(Color.green);
        ellipse.setFillColor(Color.lightGray);
        slide.addShape(ellipse);

        ByteArrayOutputStream out = new ByteArrayOutputStream();
        ppt.write(out);
        out.close();

        //read ppt from byte array

        ppt = new SlideShow(new HSLFSlideShow(new ByteArrayInputStream(out.toByteArray())));
        assertEquals(1, ppt.getSlides().length);

        slide = ppt.getSlides()[0];
        Shape[] shape = slide.getShapes();
        assertEquals(2, shape.length);

        assertTrue(shape[0] instanceof Line); //group shape
        assertEquals(lineAnchor, shape[0].getAnchor()); //group shape

        assertTrue(shape[1] instanceof AutoShape); //group shape
        assertEquals(ellipseAnchor, shape[1].getAnchor()); //group shape
    }

    /**
     * Verify that we can read TextBox shapes
     * @throws Exception
     */
    public void testTextBoxRead() throws Exception {
        String dirname = System.getProperty("HSLF.testdata.path");
        String filename = dirname + "/with_textbox.ppt";
        ppt = new SlideShow(new HSLFSlideShow(filename));
        Slide sl = ppt.getSlides()[0];
        Shape[] sh = sl.getShapes();
        for (int i = 0; i < sh.length; i++) {
            assertTrue(sh[i] instanceof TextBox);
            TextBox txtbox = (TextBox)sh[i];
            String text = txtbox.getText();
            assertNotNull(text);

            assertEquals(txtbox.getTextRun().getRichTextRuns().length, 1);
            RichTextRun rt = txtbox.getTextRun().getRichTextRuns()[0];

            if (text.equals("Hello, World!!!")){
                assertEquals(32, rt.getFontSize());
                assertTrue(rt.isBold());
                assertTrue(rt.isItalic());
            } else if (text.equals("I am just a poor boy")){
                assertEquals(44, rt.getFontSize());
                assertTrue(rt.isBold());
            } else if (text.equals("This is Times New Roman")){
                assertEquals(16, rt.getFontSize());
                assertTrue(rt.isBold());
                assertTrue(rt.isItalic());
                assertTrue(rt.isUnderlined());
            } else if (text.equals("Plain Text")){
                assertEquals(18, rt.getFontSize());
            }
        }
    }

    /**
     * Verify that we can add TextBox shapes to a slide
     * and set some of the style attributes
     */
    public void testTextBoxWriteBytes() throws Exception {
        ppt = new SlideShow();
        Slide sl = ppt.createSlide();
        RichTextRun rt;

        String val = "Hello, World!";

        // Create a new textbox, and give it lots of properties
        TextBox txtbox = new TextBox();
        rt = txtbox.getTextRun().getRichTextRuns()[0];
        txtbox.setText(val);
        rt.setFontName("Arial");
        rt.setFontSize(42);
        rt.setBold(true);
        rt.setItalic(true);
        rt.setUnderlined(false);
        rt.setFontColor(Color.red);
        sl.addShape(txtbox);

        // Check it before save
        rt = txtbox.getTextRun().getRichTextRuns()[0];
        assertEquals(val, rt.getText());
        assertEquals(42, rt.getFontSize());
        assertTrue(rt.isBold());
        assertTrue(rt.isItalic());
        assertFalse(rt.isUnderlined());
        assertEquals("Arial", rt.getFontName());
        assertEquals(Color.red, rt.getFontColor());

        // Serialize and read again
        ByteArrayOutputStream out = new ByteArrayOutputStream();
        ppt.write(out);
        out.close();

        ppt = new SlideShow(new HSLFSlideShow(new ByteArrayInputStream(out.toByteArray())));
        sl = ppt.getSlides()[0];
        
        txtbox = (TextBox)sl.getShapes()[0];
        rt = txtbox.getTextRun().getRichTextRuns()[0];

        // Check after save
        assertEquals(val, rt.getText());
        assertEquals(42, rt.getFontSize());
        assertTrue(rt.isBold());
        assertTrue(rt.isItalic());
        assertFalse(rt.isUnderlined());
        assertEquals("Arial", rt.getFontName());
        assertEquals(Color.red, rt.getFontColor());
    }
    
    /**
     * Test with an empty text box
     */
    public void testEmptyTextBox() throws Exception {
    	assertEquals(2, pptB.getSlides().length);
    	Slide s1 = pptB.getSlides()[0];
    	Slide s2 = pptB.getSlides()[1];
    	
    	// Check we can get the shapes count
    	assertEquals(2, s1.getShapes().length);
    	assertEquals(2, s2.getShapes().length);
    }

    /**
     * If you iterate over text shapes in a slide and collect them in a set
     * it must be the same as returned by Slide.getTextRuns().
     */
    public void testTextBoxSet() throws Exception {
        textBoxSet("/with_textbox.ppt");
        textBoxSet("/basic_test_ppt_file.ppt");
        textBoxSet("/next_test_ppt_file.ppt");
        textBoxSet("/Single_Coloured_Page.ppt");
        textBoxSet("/Single_Coloured_Page_With_Fonts_and_Alignments.ppt");
        textBoxSet("/incorrect_slide_order.ppt");
    }

    private void textBoxSet(String filename) throws Exception {
        String dirname = System.getProperty("HSLF.testdata.path");
        SlideShow ppt = new SlideShow(new HSLFSlideShow(dirname + filename));
        Slide[] sl = ppt.getSlides();
        for (int k = 0; k < sl.length; k++) {
            ArrayList lst1 = new ArrayList();
            TextRun[] txt = sl[k].getTextRuns();
            for (int i = 0; i < txt.length; i++) {
                lst1.add(txt[i].getText());
            }

            ArrayList lst2 = new ArrayList();
            Shape[] sh = sl[k].getShapes();
            for (int i = 0; i < sh.length; i++) {
                if (sh[i] instanceof TextShape){
                    TextShape tbox = (TextShape)sh[i];
                    lst2.add(tbox.getText());
                }
            }
            assertTrue(lst1.containsAll(lst2));
            assertTrue(lst2.containsAll(lst1));
        }
    }

    /**
     * Test adding shapes to <code>ShapeGroup</code>
     */
    public void testShapeGroup() throws Exception {
        String cwd = System.getProperty("HSLF.testdata.path");
        SlideShow ppt = new SlideShow();

        Slide slide = ppt.createSlide();
        Dimension pgsize = ppt.getPageSize();

        ShapeGroup group = new ShapeGroup();

        group.setAnchor(new Rectangle(0, 0, (int)pgsize.getWidth(), (int)pgsize.getHeight()));
        slide.addShape(group);

        File img = new File(cwd, "clock.jpg");
        int idx = ppt.addPicture(img, Picture.JPEG);
        Picture pict = new Picture(idx, group);
        pict.setAnchor(new Rectangle(0, 0, 200, 200));
        group.addShape(pict);

        Line line = new Line(group);
        line.setAnchor(new Rectangle(300, 300, 500, 0));
        group.addShape(line);

        //serialize and read again.
        ByteArrayOutputStream  out = new ByteArrayOutputStream();
        ppt.write(out);
        out.close();

        ByteArrayInputStream is = new ByteArrayInputStream(out.toByteArray());
        ppt = new SlideShow(is);
        is.close();

        slide = ppt.getSlides()[0];

        Shape[] shape = slide.getShapes();
        assertEquals(1, shape.length);
        assertTrue(shape[0] instanceof ShapeGroup);

        group = (ShapeGroup)shape[0];
        Shape[] grshape = group.getShapes();
        assertEquals(2, grshape.length);
        assertTrue(grshape[0] instanceof Picture);
        assertTrue(grshape[1] instanceof Line);

        pict = (Picture)grshape[0];
        assertEquals(new Rectangle(0, 0, 200, 200), pict.getAnchor());

        line = (Line)grshape[1];
        assertEquals(new Rectangle(300, 300, 500, 0), line.getAnchor());
    }

    /**
     * Test functionality of Sheet.removeShape(Shape shape)
     */
    public void testRemoveShapes() throws IOException {
        String file = System.getProperty("HSLF.testdata.path")+ "/with_textbox.ppt";
        SlideShow ppt = new SlideShow(new HSLFSlideShow(file));
        Slide sl = ppt.getSlides()[0];
        Shape[] sh = sl.getShapes();
        assertEquals("expected four shaped in " + file, 4, sh.length);
        //remove all
        for (int i = 0; i < sh.length; i++) {
            boolean ok = sl.removeShape(sh[i]);
            assertTrue("Failed to delete shape #" + i, ok);
        }
        //now Slide.getShapes() should return an empty array
        assertEquals("expected 0 shaped in " + file, 0, sl.getShapes().length);

        //serialize and read again. The file should be readable and contain no shapes
        ByteArrayOutputStream out = new ByteArrayOutputStream();
        ppt.write(out);
        out.close();

        ppt = new SlideShow(new ByteArrayInputStream(out.toByteArray()));
        sl = ppt.getSlides()[0];
        assertEquals("expected 0 shaped in " + file, 0, sl.getShapes().length);
    }

    public void testShapeId() throws IOException {
        SlideShow ppt = new SlideShow();
        Slide slide = ppt.createSlide();
        Shape shape = null;

        //EscherDgg is a document-level record which keeps track of the drawing groups
        EscherDggRecord dgg = ppt.getDocumentRecord().getPPDrawingGroup().getEscherDggRecord();
        EscherDgRecord dg = slide.getSheetContainer().getPPDrawing().getEscherDgRecord();

        int dggShapesUsed = dgg.getNumShapesSaved();   //total number of shapes in the ppt
        int dggMaxId = dgg.getShapeIdMax();            //max number of shapeId

        int dgMaxId = dg.getLastMSOSPID();   //max shapeId in the slide
        int dgShapesUsed = dg.getNumShapes();          // number of shapes in the slide
        //insert 3 shapes and make sure the Ids are properly incremented
        for (int i = 0; i < 3; i++) {
            shape = new Line();
            assertEquals(0, shape.getShapeId());
            slide.addShape(shape);
            assertTrue(shape.getShapeId() > 0);

            //check that EscherDgRecord is updated
            assertEquals(shape.getShapeId(), dg.getLastMSOSPID());
            assertEquals(dgMaxId + 1, dg.getLastMSOSPID());
            assertEquals(dgShapesUsed + 1, dg.getNumShapes());

            //check that EscherDggRecord is updated
            assertEquals(shape.getShapeId() + 1, dgg.getShapeIdMax());
            assertEquals(dggMaxId + 1, dgg.getShapeIdMax());
            assertEquals(dggShapesUsed + 1, dgg.getNumShapesSaved());

            dggShapesUsed = dgg.getNumShapesSaved();
            dggMaxId = dgg.getShapeIdMax();
            dgMaxId = dg.getLastMSOSPID();
            dgShapesUsed = dg.getNumShapes();
        }


        //For each drawing group PPT allocates clusters with size=1024
        //if the number of shapes is greater that 1024 a new cluster is allocated
        //make sure it is so
        int numClusters = dgg.getNumIdClusters();
        for (int i = 0; i < 1025; i++) {
            shape = new Line();
            slide.addShape(shape);
        }
        assertEquals(numClusters + 1, dgg.getNumIdClusters());
    }
}