testppgraphics2d.java

java 读写word excel ppt

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   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
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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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   See the License for the specific language governing permissions and
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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.HSLFSlideShow;

import java.awt.*;
import java.awt.Rectangle;
import java.io.ByteArrayOutputStream;
import java.io.ByteArrayInputStream;

/**
 * Test drawing shapes via Graphics2D
 *
 * @author Yegor Kozlov
 */
public class TestPPGraphics2D extends TestCase {
    private SlideShow ppt;

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

    public void testGraphics() throws Exception {
    	// Starts off empty
    	assertEquals(0, ppt.getSlides().length);
    	
    	// Add a slide
        Slide slide = ppt.createSlide();
    	assertEquals(1, ppt.getSlides().length);

    	// Add some stuff into it
        ShapeGroup group = new ShapeGroup();
        Dimension pgsize = ppt.getPageSize();
        java.awt.Rectangle bounds = new java.awt.Rectangle(0, 0, (int)pgsize.getWidth(), (int)pgsize.getHeight());
        group.setAnchor(bounds);
        slide.addShape(group);

        PPGraphics2D graphics = new PPGraphics2D(group);
        graphics.setColor(Color.blue);
        graphics.draw(new Rectangle(1296, 2544, 1344, 0));

        graphics.setColor(Color.red);
        graphics.setStroke(new BasicStroke((float)2.5));
        graphics.drawLine(500, 500, 1500, 2500);

        graphics.setColor(Color.green);
        graphics.setPaint(Color.gray);
        graphics.drawOval(4000, 1000, 1000, 1000);

        // Write the file out
        ByteArrayOutputStream out = new ByteArrayOutputStream();
        ppt.write(out);
        out.close();

        // And read it back in
        ppt = new SlideShow(new HSLFSlideShow(new ByteArrayInputStream(out.toByteArray())));
        assertEquals(1, ppt.getSlides().length);

        slide = ppt.getSlides()[0];
        Shape[] shape = slide.getShapes();
        assertEquals(shape.length, 1); //group shape

        assertTrue(shape[0] instanceof ShapeGroup); //group shape

        group = (ShapeGroup)shape[0];
        shape = group.getShapes();
        assertEquals(shape.length, 7);
    }

}