@Test
	public void test1() throws IOException {
		 // create a ppt
        XMLSlideShow ppt = new XMLSlideShow(new FileInputStream("E:\\ConvertTester\\ppt\\看看addThread方法的源码.pptx"));
        XSLFPictureData pd = ppt.addPicture(new File("E:\\ConvertTester\\images\\jshrss-logo.png"), PictureType.PNG);
        for (int i=0;i<ppt.getSlideMasters().size();i++) {
        	XSLFSlideMaster slideMaster = ppt.getSlideMasters().get(i);
        	XSLFSlideLayout[] slideLayouts = slideMaster.getSlideLayouts();
        	for (XSLFSlideLayout slidelayout : slideLayouts) {
        		XSLFPictureShape ps = slidelayout.createPicture(pd);
            	ps.setAnchor(new Rectangle2D.Double(20, 20, 640, 400));
        	}
        }
        FileOutputStream fos = new FileOutputStream("E:\\ConvertTester\\ppt\\bla.pptx");
        ppt.write(fos);
        fos.close();
        
        
        

//        XSLFSlide sl = ppt.createSlide(slidelayout);
//        ((XSLFAutoShape)sl.getShapes().get(0)).setText("title");
//        ((XSLFAutoShape)sl.getShapes().get(1)).setText("content");

       
	}
 

/**
 * Returns an ImageRenderer for the PictureData
 *
 * @param graphics
 * @return the image renderer
 */
public static ImageRenderer getImageRenderer(Graphics2D graphics, String contentType) {
    ImageRenderer renderer = (ImageRenderer)graphics.getRenderingHint(Drawable.IMAGE_RENDERER);
    if (renderer != null) {
        return renderer;
    }
    
    if (PictureType.WMF.contentType.equals(contentType)) {
        try {
            @SuppressWarnings("unchecked")
            Class<? extends ImageRenderer> irc = (Class<? extends ImageRenderer>)
                Thread.currentThread().getContextClassLoader().loadClass(WMF_IMAGE_RENDERER);
            return irc.newInstance();
        } catch (Exception e) {
            // WMF image renderer is not on the classpath, continuing with BitmapRenderer
            // although this doesn't make much sense ...
            LOG.log(POILogger.ERROR, "WMF image renderer is not on the classpath - include poi-scratchpad jar!", e);
        }
    }
    
    return new BitmapImageRenderer();
}
 

/**
 * Replace an image placeholder by an other image.
 * This image placeholder is identified with a link placed on it.
 * To fit the placeholder, the replacement mode will be used to
 * resize the image.
 *
 * @param variableName The variable name.
 * It should be in the form of <code>$/variableName:argument/</code> in the PPT presentation
 * @param imageData The raw data of the image that will replace the placeholder
 * @param replacementMode Define how the image should be resized, see {@link PptImageReplacementMode}
 * @return The mapper instance
 */
public PptMapper image(String variableName, byte[] imageData,
		PptImageReplacementMode replacementMode) {
	PictureType imageFormat = ImagesUtils.guessPictureType(imageData);
	if(imageFormat == null) {
		throw new IllegalArgumentException(
			"Enable to determine the image type, "
			+ "you may want to directly specify the image type using: "
			+ "image(String variableName, byte[] imageData, "
			+ "PptImageReplacementMode replacementMode, PictureType imageFormat)"
		);
	}

	return image(variableName, imageData, replacementMode, imageFormat);
}
 

public static PictureType guessPictureType(byte[] pictureData) {
	for(ImageType imageType : ImageType.values()) {
		if(startsWith(pictureData, imageType.startPattern)) {
			return imageType.poiType;
		}
	}

	return null;
}
 

/**
 * Replace an image placeholder by an other image.
 * This image placeholder is identified with a link placed on it.
 * To fit the placeholder, the replacement mode will be used to
 * resize the image.
 *
 * @param variableName The variable name.
 * It should be in the form of <code>$/variableName:argument/</code> in the PPT presentation
 * @param imageData The raw data of the image that will replace the placeholder
 * @param replacementMode Define how the image should be resized, see {@link PptImageReplacementMode}
 * @param imageFormat specify the picture format that will be used in the PPT ;
 * note that this format may differ from the original format of the replacement image
 * @return The mapper instance
 */
public PptMapper image(String variableName, byte[] imageData,
		PptImageReplacementMode replacementMode, PictureType imageFormat) {
	return image(
		variableName,
		imageData,
		replacementMode,
		imageFormat,
		PptImageMapper.DEFAULT_QUALITY_FACTOR,
		PptImageMapper.DEFAULT_QUALITY_MULTIPLICATOR
	);
}
 

/**
 * Replace an image placeholder by an other image.
 * This image placeholder is identified with a link placed on it.
 * To fit the placeholder, the replacement mode will be used to
 * resize the image.
 *
 * @param variableName The variable name.
 * It should be in the form of <code>$/variableName:argument/</code> in the PPT presentation
 * @param imageData The raw data of the image that will replace the placeholder
 * @param replacementMode Define how the image should be resized, see {@link PptImageReplacementMode}
 * @param imageFormat specify the picture format that will be used in the PPT ;
 * note that this format may differ from the original format of the replacement image
 * @param qualityFactor The target picture quality between 0 (low quality) and 1 (high quality)
 * @param qualityMultiplicator Another picture quality parameter between 0 (the image will not be shown),
 * 1 (the image will be sized to fit exactly its placeholder), N (the image will be resized to fit its placeholder size times N)
 * @return The mapper instance
 */
public PptMapper image(String variableName, byte[] imageData,
		PptImageReplacementMode replacementMode, PictureType imageFormat,
		float qualityFactor,
		double qualityMultiplicator) {
	imageMapping.put(
		variableName,
		PptImageMapper.of(imageFormat, replacementMode, imageData, qualityFactor, qualityMultiplicator)
	);
	return this;
}
 

/**
 * Adds a picture to the presentation.
 *
 * @param pictureData       The bytes of the picture
 * @param format            The format of the picture.
 *
 * @return the picture data reference.
 */
PictureData addPicture(byte[] pictureData, PictureType format) throws IOException;
 

/**
 * Adds a picture to the presentation.
 *
 * @param is	        The stream to read the image from
 * @param format        The format of the picture.
 *
 * @return the picture data reference.
 * @since 3.15 beta 1
 */
PictureData addPicture(InputStream is, PictureType format) throws IOException;
 

/**
 * Adds a picture to the presentation.
 *
 * @param pict              The file containing the image to add
 * @param format            The format of the picture.
 *
 * @return the picture data reference
 * @since 3.15 beta 1
 */
PictureData addPicture(File pict, PictureType format) throws IOException;