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iText 7 SVG as a background

I'm trying to add a background in a PDF using Scalable Vector Graphics (.svg). Initially the recommended way was to transform the SVG into an Image object and then use scaleToFit to get it to the right size, then add it to the document. This works partially as it transforms the small and scalable SVG into a Bitmap. Next I've made a PdfFormXObject in order to get back the scaling by having it drawn on each page. However, now it does not display anything at all.
ByteArrayInputStream inputStream = new ByteArrayInputStream(backgroundBytes);
PdfFormXObject svg = SvgConverter.convertToXObject(inputStream, pdf);
PdfCanvas canvas = new PdfCanvas(pdf.getFirstPage());
Rectangle rect = new Rectangle(PageSize.A4.getWidth(), PageSize.A4.getHeight());
canvas.addXObject(svg, rect);
How should I be adding SVG backgrounds to iText 7 PDFs? Can this be done properly in the first place? I have not been able to find good code examples.
Update:
Here is the code for converting the SVG to a properly scaled Image. The issue with this is that it works for adding the image, but it adds it as an element so it pushes everything else down.
ByteArrayInputStream inputStream = new ByteArrayInputStream(svgAsBytes);
Image image = SvgConverter.convertToImage(inputStream, pdf);
image.scaleAbsolute(PageSize.A4.getWidth(), PageSize.A4.getHeight());
int totalPages = pdf.getNumberOfPages()+1;
for(int pageNumber = 1; pageNumber < totalPages; pageNumber++ ) {
document.add(image);
}

Hi i have a similar Problem. I am trying to add a SVG image as a table cell background. The problem is that i can not scale the image. Here is my code:
InputStream triangleSteam = this.getClass().getResourceAsStream("/AH-AddressTriangle.svg");
Image triangle = SvgConverter.convertToImage(triangleSteam, pdfDocument);
//triangle.setHeight(UnitValue.createPointValue(127.83f));
//triangle.setWidth(UnitValue.createPointValue(78.63f));
triangle.scaleAbsolute(78.63f, 127.83f);
Cell headerCell_12 = new Cell();
headerCell_12.setBorder(Border.NO_BORDER);
headerCell_12.setPadding(0f);
headerCell_12.setHeight(UnitValue.createPointValue(127.83f));
headerCell_12.setWidth(UnitValue.createPointValue(78.63f));
headerCell_12.setNextRenderer(new ImageBackgroundCellRenderer(headerCell_12, triangle));
headerTable.addCell(headerCell_12);
And here ist the BackgroundCellRenderer I am using:
protected class ImageBackgroundCellRenderer extends CellRenderer {
Image img;
public ImageBackgroundCellRenderer(Cell modelElement, Image img) {
super(modelElement);
this.img = img;
}
#Override
public IRenderer getNextRenderer() {
return new ImageBackgroundCellRenderer((Cell) modelElement, img);
}
#Override
public void draw(DrawContext drawContext) {
try {
img.scaleToFit(getOccupiedAreaBBox().getWidth(), getOccupiedAreaBBox().getHeight());
drawContext.getCanvas().addXObject(img.getXObject(), getOccupiedAreaBBox());
super.draw(drawContext);
} catch(Exception e) {
e.printStackTrace();
}
}
}
The background is added but the image is not scaled (see picture)
Screenshot from Adobe Illustrator
The SVG becomes even bigger that it actually was!
Thank you!

SVG to PNG with Apache Batik then attach to PDF with PDFBox without saving images

So as the title says I am looking for a way to turn SVG to PNG with Apache Batik and then attach this image to PDF file using PDFBox without actually creating the svg and png anywhere.
Currently I have a web form that has SVG image with selectable parts of it.
When the form is submitted I take the "html" part of the svg meaning I keep something like <svg bla bla> <path bla bla/></svg> in a string that Spring then uses to create a ".svg" file in a given folder, then Batik creates a PNG file in the same folder and then PDFBox attaches it to the PDF - this works fine(code below).
//Get the svg data from the Form and Create the svg file
String svg = formData.getSvg();
File svgFile = new File("image.svg");
BufferedWriter writer = new BufferedWriter(new FileWriter(svgFile));
writer.write(svg);
writer.close();
// Send to Batik to turn to PNG
PNGTranscoder pngTranscode = new PNGTranscoder();
File svgFile = new File("image.svg");
InputStream in = new FileInputStream(svgFile);
TranscoderInput tIn = new TranscoderInput(in);
OutputStream os = new FileOutputStream("image.png");
TranscoderOutput tOut = new TranscoderOutput(os)
pngTranscode .transcode(tIn , tOut);
os.flush();
os.close();
//Send to PDFBox to attach to pdf
File pngfile = new File("image.png");
String path = pngfile.getAbsolutePath();
PDImageXObject pdImage = PDImageXObject.createFromFile(path, pdf);
PDPageContentStream contents = new PDPageContentStream(pdf, pdf.getPage(1));
contents.drawImage(pdImage, 0, pdf.getPage(1).getMediaBox().getHeight() - pdImage.getHeight());
contents.close();
As you can see there are a lot of files and stuff (need to tidy it up a bit), but is it possible to do this on the run without the creation and constant fetching of the svg and png files?

Given the suggestion in the comments I opted for using ByteArrayOutputStream, ByteArrayInputStream, BufferedImage and LosslessFactory. Its a bit slower than the saving (if you go through it in debug as seems the BufferedImage goes on a holiday first before creating the image).
The sources I found to use are: How to convert SVG into PNG on-the-fly and Print byte[] to pdf using pdfbox
byte[] streamBytes = IOUtils.toByteArray(new ByteArrayInputStream(formData.getSvg().getBytes()));
PNGTranscoder pngTranscoder = new PNGTranscoder();
ByteArrayOutputStream os = new ByteArrayOutputStream();
pngTranscoder.transcode(new TranscoderInput(new ByteArrayInputStream(streamBytes)), new TranscoderOutput(os));
InputStream is = new ByteArrayInputStream(os.toByteArray());
BufferedImage bim = ImageIO.read(is);
PDImageXObject pdImage = LosslessFactory.createFromImage(pdf, bim);
PDPageContentStream contents = new PDPageContentStream(pdf, pdf.getPage(1));
contents.drawImage(pdImage, 0, pdf.getPage(1).getMediaBox().getHeight() - pdImage.getHeight());
contents.close();

Based on the comments and links provided by D.V.D., I also worked through the problem. I just wanted to post the simple but full example, for anyone wanting to review in the future.
public class App {
private static String OUTPUT_PATH = "D:\\so52875145\\output\\PdfWithPngImage.pdf";
public static void main(String[] args) {
try {
// obtain the SVG source (hardcoded here, but the OP would obtain the String from form data)
byte[] svgByteArray = "<svg xmlns=\"http://www.w3.org/2000/svg\" xmlns:xlink=\"http://www.w3.org/1999/xlink\"><polygon points=\"200,10 250,190 160,210\" style=\"fill:lime;stroke:purple;stroke-width:1\" /></svg>".getBytes();
System.out.println("Converted svg to byte array...");
// convert SVG into PNG image
PNGTranscoder pngTranscoder = new PNGTranscoder();
ByteArrayOutputStream os = new ByteArrayOutputStream();
pngTranscoder.transcode(new TranscoderInput(new ByteArrayInputStream(svgByteArray)), new TranscoderOutput(os));
System.out.println("Transcoded svg to png...");
// create PDF, and add page to it
PDDocument pdf = new PDDocument();
pdf.addPage(new PDPage());
// generate in-memory PDF image object, using the transcoded ByteArray stream
BufferedImage bufferedImage = ImageIO.read( new ByteArrayInputStream(os.toByteArray()) );
PDImageXObject pdImage = LosslessFactory.createFromImage(pdf, bufferedImage);
System.out.println("Created PDF image object...");
// write the in-memory PDF image object to the PDF page
PDPageContentStream contents = new PDPageContentStream(pdf, pdf.getPage(0));
contents.drawImage(pdImage, 0, 0);
contents.close();
System.out.println("Wrote PDF image object to PDF...");
pdf.save(OUTPUT_PATH);
pdf.close();
System.out.println("Saved PDF to path=[" + OUTPUT_PATH + "]");
}
catch (Exception e) {
e.printStackTrace();
}
}
}

CMYK Image display on pdf using pdfbox

I am trying to create pdf in java using pdfbox 1.8, but problem is I am not able to show CMYK image on pdf so I try to solution on same like below code:
File filePath = new File("C:/Users/msuryawanshi/Documents/10734730431625_C1LA.jpg");
JPEGImageDecoder jpegDecoder = JPEGCodec.createJPEGDecoder(new FileInputStream(filePath));
BufferedImage image = jpegDecoder.decodeAsBufferedImage();
imageUrl = "http://extranet.handgards.com/gs1/10734730431625_C1LA.jpg";
File f = new File("C:/Users/msuryawanshi/Documents/10734730431625_C1LA.jpg");
String url = "http://extranet.handgards.com/gs1/10734730431625_C1LA.jpg";
Iterator readers = ImageIO.getImageReadersByFormatName("JPEG");
ImageReader reader = null;
while (readers.hasNext()) {
reader = (ImageReader) readers.next();
if (reader.canReadRaster()) {
break;
}
}
//Stream the image file (the original CMYK image)
ImageInputStream input = ImageIO.createImageInputStream(f);
reader.setInput(input);
//Read the image raster
Raster raster = reader.readRaster(0, null);
//Create a new RGB image
BufferedImage bi = new BufferedImage(raster.getWidth(), raster.getHeight(),
BufferedImage.TYPE_4BYTE_ABGR);
//Fill the new image with the old raster
bi.getRaster().setRect(raster);
PDXObjectImage ximage = new PDPixelMap(document, bi);
contentStream.drawXObject(ximage, margin + 5, texty, 170, 100);
but image is not meaningful, I have attached output pdf and original image which i want display on my pdf. please help for the same.

PDFBox doesn't support embedding CMYK images at all because java itself can't read such images. You might be able to embed it as an RGB image by using the twelvemonkeys library instead of Java ImageIO to read the JPEG into a BufferedImage. From there, just use PDPixelMap (in 1.8) or LosslessFactory (in 2.0).

Barcode128 barcode is thicker and not scannable in iText pdf

I am generating code128 type barcodes, then converting it to image and then printing it on itext pdf pdfcell. The barcodes are fitting inside the cell, but the issue is the bars are thicker than it should be.
And that is why probably they are not scannable.
Can you please help on how to scael it prperly.
Below is the code-
Barcode128 code128 = new Barcode128();
code128.setCode(bc.trim());
code128.setCodeType(Barcode128.CODE128_UCC);
code128.setBarHeight(15f);
System.out.println("GETX" + code128.getX());
code128.setX(.3f);
System.out.println("After setX" + code128.getX());
java.awt.Image rawImage = code128.createAwtImage(Color.BLACK, Color.WHITE);
Image img = Image.getInstance(rawImage, null);
img.setBorder(Image.ORIGINAL_NONE);
return img;
and in the itext pdf, i'm using -
PdfPCell cell_header_barcode = new PdfPCell(BarCode.createBarcode(""+123456 ));
cell_header_barcode.setRowspan(4);
cell_header_barcode.setPaddingTop(6);
cell_header_barcode.setBackgroundColor(BaseColor.LIGHT_GRAY);
cell_header_barcode.setHorizontalAlignment(Element.ALIGN_CENTER);
cell_header_barcode.setBorder(Rectangle.NO_BORDER);
cell_header_barcode.setRowspan(4);
table_header.addCell(cell_header_barcode);
doc.add(table_header);
Thanks in advance.

Insufficient Data For An Image (PDF File Generation)

I'm using PDFBox to generate PDF files, however when I try to draw an image which I receive from an array of bytes I get the following error:
Insufficient data for an image
This is the basic structure of my code:
public ByteArrayOutputStream generatePDF() {
.. Variable Declaration
// Creating Document
document = new PDDocument();
// Creating Pages
for(int i = 0; i < arrayVar.length; i++) {
// Adding page to document
page = new PDPage();
// Creating FONT Attributes
fontNormal = PDType1Font.HELVETICA;
fontBold = PDType1Font.HELVETICA_BOLD;
// Building Front & Back Invoice Images
singleImageMap = // Getting Map With Array Of Bytes from Web Service Call;
if(singleImageMap != null && !singleImageMap.isEmpty()) {
arrayFront = Utils.readImage((byte[]) singleImageMap.get(Constants.WS_IMAGE_FRONT));
arrayBack = Utils.readImage((byte[]) singleImageMap.get(Constants.WS_IMAGE_BACK));
fileFront = new ByteArrayInputStream(arrayFront);
fileBack = new ByteArrayInputStream(arrayBack);
bufferedImageFront = ImageIO.read(fileFront);
bufferedImageBack = ImageIO.read(fileBack);
rescaledFrontImg = Scalr.resize(bufferedImageFront, 500);
rescaledBackImg = Scalr.resize(bufferedImageBack, 500);
front = new PDJpeg(document, rescaledFrontImg);
back = new PDJpeg(document, rescaledBackImg);
}
// Next we start a new content stream which will "hold" the to be created content.
contentStream = new PDPageContentStream(document, page);
// Let's define the content stream
contentStream.beginText();
contentStream.setFont(fontNormal, 8);
contentStream.moveTextPositionByAmount(200, 740);
contentStream.drawString("NAME: " + arrayVar[i].getParameter(Constants.NAME));
contentStream.endText();
if(front != null && back != null) {
contentStream.drawImage(front, 55, 500);
contentStream.drawImage(back, 55, 260);
}
// Add Page
document.addPage(page);
// Let's close the content stream
contentStream.close();
}
// Let's create OutputStream object
output = new ByteArrayOutputStream();
// Finally Let's save the PDF
document.save(output);
document.close();
return output;
}
Since I receive a PNG file from the Web Service I do the conversion to JPG with the following method:
public static byte[] readImage(byte[] file) throws Exception {
ImageInputStream is = ImageIO.createImageInputStream(new ByteArrayInputStream(file));
BufferedImage originalImage = ImageIO.read(is);
ByteArrayOutputStream baos = new ByteArrayOutputStream();
ImageIO.write(originalImage, "jpg", baos );
byte[] imageInByte = baos.toByteArray();
return imageInByte;
}
As per this link:
https://issues.apache.org/jira/browse/PDFBOX-849
It points out that the error is because the PDJepg object should be created before the creation of the contentStream, but that's what I do in my code.
I'm not sure if there is a problem with the structure of my code, or that maybe there is an error in the way I'm handling the image bytes I'm getting from the Web Service call.
Does anyone has an idea of what could be the problem?
UPDATE
I did what Zelter Ady and indeed the image that I'm getting from the Web Service is valid since I was able to generate a physical file with it, so the problem should be somewhere around the manipulation of the image, the thing is I don't know what I'm missing.

I've got the same problem. With some images, Acrobat failed to display pages with this message:
Insufficient data for an image
My problem came from the colorModel in some jpeg images.
To track which images weren't ok, i log the BufferedImage colorModel by log.warn(img.getColorModel());
[VisualLocatorServlet.doGet:142] ColorModel: #pixelBits = 24 numComponents = 3 color space = java.awt.color.ICC_ColorSpace#4b7fce transparency = 1 has alpha = false isAlphaPre = false
[VisualLocatorServlet.doGet:142] ColorModel: #pixelBits = 24 numComponents = 3 color space = java.awt.color.ICC_ColorSpace#4b7fce transparency = 1 has alpha = false isAlphaPre = false
[VisualLocatorServlet.doGet:142] ColorModel: #pixelBits = 8 numComponents = 1 color space = java.awt.color.ICC_ColorSpace#19ef899 transparency = 1 has alpha = false isAlphaPre = false
Obviously, failing images are 8-bits encoded.
To fix that, i did the following:
byte[] buffer = null;
ByteArrayOutputStream out = new ByteArrayOutputStream();
BufferedImage img = ImageIO.read(new URL(visual));
/* resample 8-bits to 24-bits if necessary to fix pdf corruption */
if(img.getColorModel().getNumColorComponents()==1){
log.warn("components #1"+img.getColorModel());
BufferedImage out = new BufferedImage(w, h, BufferedImage.TYPE_3BYTE_BGR);
Graphics2D g2 = out.createGraphics();
g2.setBackground(Color.WHITE);
g2.drawImage(i, 0, 0, null);
g2.dispose();
log.warn("redrawn image "+img.getColorModel());
}
ImageIO.write(img, "jpeg", out);
...
The main point is to recreate a BufferedImage in 24bits. (BufferedImage.TYPE_3BYTE_BGR).

This may be an issue on the Adobe viewer side rather than at creation time. There's a known issue with the latest Acrobat versions: “Insufficient data for an image” error after updating to 10.1.4 or 9.5.2:
http://blogs.adobe.com/dmcmahon/2012/08/21/acrobat-insufficient-data-for-an-image-error-after-updating-to-10-1-4-or-9-5-2/

Before the build of the pdf try to save the image in a file, just to see the image is complete and can be saved.
You may use something like this to test the received image:
System.IO.File.WriteAllBytes("c:\\tmp.png", (byte[]) singleImageMap.get(Constants.FRONT));
and then open the image in a imageviewer. If the image cannot be open, then u have an error here. If the image is ok.... at least you know that this part is ok!

Well after a lot of debugging I found that the problem was here:
front = new PDJpeg(document, rescaledFrontImg);
back = new PDJpeg(document, rescaledBackImg);
The PDJpeg class has two constructors:
PDJpeg(PDDocument doc, BufferedImage bi)
PDJpeg(PDDocument doc, InputStream is)
I was passing a BufferedImage and at some point that I still can't figure out, I assume all the bytes were not being completely sent thus I got the message "Insufficient Data For An Image".
Solution: I passed an InputStream instead of a BufferedImage.
I still don't know why I got that error using a BufferedImage maybe I needed to do some sort of .push()?

This code worked for me.
import java.awt.Dimension;
import java.awt.image.BufferedImage;
import org.apache.commons.imaging.Imaging;
import org.apache.pdfbox.pdmodel.PDDocument;
import org.apache.pdfbox.pdmodel.PDPage;
import org.apache.pdfbox.pdmodel.PDPageContentStream;
import org.apache.pdfbox.pdmodel.graphics.image.JPEGFactory;
import org.apache.pdfbox.pdmodel.graphics.image.PDImageXObject;
public void generatePdfFromTifPbox(File sourceFile, String destinationPath) throws Exception {
//sourceFile is tiff file, destinationPath is pdf destination path with pdf file name
PDDocument doc = new PDDocument();
List<BufferedImage> bimages = Imaging.getAllBufferedImages(sourceFile);
for (BufferedImage bi : bimages) {
PDPage page = new PDPage();
doc.addPage(page);
PDPageContentStream contentStream = new PDPageContentStream(doc, page);
try {
// the .08F can be tweaked. Go up for better quality,
// but the size of the PDF will increase
PDImageXObject image = JPEGFactory.createFromImage(doc, bi, 0.08f);
Dimension scaledDim = getScaledDimension(new Dimension(image.getWidth(), image.getHeight()),
new Dimension((int) page.getMediaBox().getWidth(), (int) page.getMediaBox().getHeight()));
contentStream.drawImage(image, 1, 1, scaledDim.width, scaledDim.height);
} finally {
contentStream.close();
}
}
doc.save(destinationPath);
}
private Dimension getScaledDimension(Dimension imgSize, Dimension boundary) {
int original_width = imgSize.width;
int original_height = imgSize.height;
int bound_width = boundary.width;
int bound_height = boundary.height;
int new_width = original_width;
int new_height = original_height;
// first check if we need to scale width
if (original_width > bound_width) {
// scale width to fit
new_width = bound_width;
// scale height to maintain aspect ratio
new_height = (new_width * original_height) / original_width;
}
// then check if we need to scale even with the new height
if (new_height > bound_height) {
// scale height to fit instead
new_height = bound_height;
// scale width to maintain aspect ratio
new_width = (new_height * original_width) / original_height;
}
return new Dimension(new_width, new_height);
}
Reference/Courtesy: http://www.paulzepernick.com/java/java-apache-pdfbox-convert-multipage-tiff-to-pdf/
Maven dependency:
<dependency>
<groupId>org.apache.pdfbox</groupId>
<artifactId>pdfbox</artifactId>
<version>2.0.3</version>
</dependency>
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-imaging</artifactId>
<version>1.0-alpha1</version>
</dependency>