org.apache.poi.xslf.usermodel.XSLFPictureData Java Examples

@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");

       
	}
 

@Override
public boolean parse(XMLSlideShow xmlSlideShow, XSLFSlide xslfSlide, JSONObject object) {
    try (ByteArrayOutputStream outputStream = new ByteArrayOutputStream()) {
        if (!image.svg2png(object.getString("svg"), object.getIntValue("width"), object.getIntValue("height"), outputStream))
            return false;

        XSLFPictureData xslfPictureData = xmlSlideShow.addPicture(
                parserHelper.getImage(object, "image/png", outputStream), PictureData.PictureType.PNG);
        parse(xslfSlide, xslfPictureData, object);

        return true;
    } catch (Throwable e) {
        logger.warn(e, "解析SVG图片[{}]时发生异常！", object.toJSONString());

        return false;
    }
}
 

@Override
public void parseShape(ReaderContext readerContext, XSLFSimpleShape xslfSimpleShape, JSONObject shape) {
    if (!(xslfSimpleShape instanceof XSLFPictureShape))
        return;

    XSLFPictureShape xslfPictureShape = (XSLFPictureShape) xslfSimpleShape;
    parseClipping(xslfPictureShape, shape);
    JSONObject image = new JSONObject();
    XSLFPictureData xslfPictureData = xslfPictureShape.getPictureData();
    parseSize(xslfPictureData, image);
    image.put("contentType", xslfPictureData.getContentType());
    try {
        image.put("url", readerContext.getMediaWriter().write(MediaType.find(xslfPictureData.getContentType()),
                xslfPictureData.getFileName(), xslfPictureData.getInputStream()));
    } catch (IOException e) {
        logger.warn(e, "获取PPTX图片数据时发生异常！");
    }
    image.put("state", ((CTPicture) xslfPictureShape.getXmlObject()).getBlipFill().getBlip().getCstate().toString());
    shape.put("image", image);
}
 

@Override
public XSLFShape createShape(WriterContext writerContext, JSONObject shape) {
    if (!shape.containsKey("image"))
        return null;

    JSONObject image = shape.getJSONObject("image");
    try {
        InputStream inputStream = writerContext.getMediaReader().read(image);
        XSLFPictureData xslfPictureData = writerContext.getXmlSlideShow().addPicture(inputStream,
                getPictureType(image.getString("url"), image.getString("contentType")));
        inputStream.close();

        return writerContext.getXslfSlide().createPicture(xslfPictureData);
    } catch (Throwable throwable) {
        logger.warn(throwable, "获取图片资源[{}]时发生异常！", image);

        return null;
    }
}
 

/**
 * Replace an image with another while keeping
 * all the properties of the old image: z-index, border, shadow...
 */
private static void replaceImageInPlace(POIXMLDocumentPart containerDocument, ImageToReplace imageToReplace,
		XSLFPictureData newPictureData, Rectangle2D newImageAnchor) {
	RelationPart rp = containerDocument.addRelation(null, XSLFRelation.IMAGES, newPictureData);
	CTPicture pictureXml = (CTPicture) imageToReplace.toReplace.getXmlObject();
	CTBlip pictureBlip = pictureXml.getBlipFill().getBlip();

	String relationId = pictureBlip.getEmbed();
	if(canRelationBeRemoved(containerDocument, relationId)) {
		// clean up the old picture data
		PptPoiBridge.removeRelation(containerDocument, containerDocument.getRelationById(relationId));
	}

	pictureBlip.setEmbed(rp.getRelationship().getId());

	imageToReplace.toReplace.setAnchor(newImageAnchor);
}
 

void parse(XSLFSlide xslfSlide, XSLFPictureData xslfPictureData, JSONObject object) {
    if (!object.containsKey("alpha")) {
        parseImage(xslfSlide, xslfPictureData, object);

        return;
    }

    double alpha = object.getDoubleValue("alpha");
    if (alpha >= 1.0D) {
        parseImage(xslfSlide, xslfPictureData, object);

        return;
    }

    PackagePart packagePart = xslfPictureData.getPackagePart();
    POIXMLDocumentPart.RelationPart relationPart = xslfSlide.addRelation(null, XSLFRelation.IMAGES,
            new XSLFPictureData(packagePart));

    XSLFAutoShape xslfAutoShape = xslfSlide.createAutoShape();
    CTShape ctShape = (CTShape) xslfAutoShape.getXmlObject();
    CTBlipFillProperties ctBlipFillProperties = ctShape.getSpPr().addNewBlipFill();
    CTBlip ctBlip = ctBlipFillProperties.addNewBlip();
    ctBlip.setEmbed(relationPart.getRelationship().getId());
    ctBlip.setCstate(STBlipCompression.PRINT);
    ctBlip.addNewAlphaModFix().setAmt(numeric.toInt(alpha * 100000));
    ctBlipFillProperties.addNewSrcRect();
    ctBlipFillProperties.addNewStretch().addNewFillRect();
    xslfAutoShape.setAnchor(parserHelper.getRectangle(object));
    parserHelper.rotate(xslfAutoShape, object);
}
 

private void parseSize(XSLFPictureData xslfPictureData, JSONObject image) {
    Dimension dimension = xslfPictureData.getImageDimensionInPixels();
    JSONObject size = new JSONObject();
    size.put("width", dimension.width);
    size.put("height", dimension.height);
    image.put("size", size);
}
 

private void parseImage(XSLFSlide xslfSlide, XSLFPictureData xslfPictureData, JSONObject object) {
    XSLFPictureShape xslfPictureShape = xslfSlide.createPicture(xslfPictureData);
    xslfPictureShape.setAnchor(parserHelper.getRectangle(object));
    parserHelper.rotate(xslfPictureShape, object);
}
 

private static void replaceImage(XMLSlideShow ppt, ShapeContainer<XSLFShape, ?> shapeContainer, ImageToReplace imageToReplace) {
	byte[] newPictureResized = imageToReplace.imageMapper.getReplacementMode().resize(
		imageToReplace.imageMapper.getValue(),
		imageToReplace.imageMapper.getTargetFormat().name(),
		(int) imageToReplace.toReplace.getAnchor().getWidth(),
		(int) imageToReplace.toReplace.getAnchor().getHeight(),
		imageToReplace.getImageMapper().getQualityFactory(),
		imageToReplace.getImageMapper().getQualityMultiplicator()
	);
	if(newPictureResized == null) {
		// if an error occurred during the resizement of the image, the replacement cannot be processed
		return;
	}

	XSLFPictureData newPictureData = ppt.addPicture(newPictureResized, imageToReplace.imageMapper.getTargetFormat());
	Rectangle2D newImageAnchor = computeNewImageAnchor(
		imageToReplace.toReplace.getAnchor(),
		newPictureResized,
		imageToReplace.imageMapper.getReplacementMode(),
		imageToReplace.imageMapper.getQualityMultiplicator()
	);

	if(shapeContainer instanceof POIXMLDocumentPart) {
		replaceImageInPlace((POIXMLDocumentPart) shapeContainer, imageToReplace, newPictureData, newImageAnchor);
	}
	else if(shapeContainer instanceof XSLFGroupShape) {
		replaceImageInPlace(((XSLFGroupShape) shapeContainer).getSheet(), imageToReplace, newPictureData, newImageAnchor);
	}
	// If the container is not a POIXMLDocumentPart or a XSLFGroupShape,
	// the old image have to deleted along with its properties.
	// The new image will just be place in the same area of the old image.
	// This behavior is a fall back that should not append since
	// I don't think the image container can be something else
	// apart from POIXMLDocumentPart and XSLFGroupShape.
	else {
		XSLFPictureShape newPictureShape = (XSLFPictureShape) shapeContainer.createPicture(newPictureData);
		newPictureShape.setAnchor(newImageAnchor);

		shapeContainer.removeShape(imageToReplace.toReplace);
	}
}