pdfbox

问题 Iam using the PDF BOX for getting color information of the text in PDF. I could able to get the output by using the following code. But my doubt is what StrokingColor represents, what Non stroking color represents. Based on this how will i decide which text is having which color. Anyone suggest me? My cuurent output is like this:DeviceRGB DeviceCMYK java.awt.Color[r=63,g=240,b=0] java.awt.Color[r=35,g=31,b=32] 34.934998 31.11 31.875 PDDocument doc = null; try { doc = PDDocument.load

问题 I am adding a visual signature to a pdf using this as reference - https://stackoverflow.com/a/27940667/7103795 I am able to print the details properly. But the pdf does not display a green tick when opened in Acrobat though it is written "Signed and all signatures are valid." in the signature panel. This is an example of what I need: How can I ensure that the validity sign show up? I am using pdfBox version 2.0.1 回答1: In-document visualisations of the signature validity have been deprecated

问题 I am adding a visual signature to a pdf using this as reference - https://stackoverflow.com/a/27940667/7103795 I am able to print the details properly. But the pdf does not display a green tick when opened in Acrobat though it is written "Signed and all signatures are valid." in the signature panel. This is an example of what I need: How can I ensure that the validity sign show up? I am using pdfBox version 2.0.1 回答1: In-document visualisations of the signature validity have been deprecated

问题 I am trying to add a watermark to a PDF specifically with PDFBox. I've been able to get the image to appear on each page, but it loses the background transparency because it appears as though PDJpeg converts it to a JPG. Perhaps there's a way to do it using PDXObjectImage. Here is what I have written thus far: public static void watermarkPDF(PDDocument pdf) throws IOException { // Load watermark BufferedImage buffered = ImageIO.read(new File("C:\\PDF_Test\\watermark.png")); PDJpeg watermark =

问题 This question already has an answer here : Apache PDFBox: Can I set font other than those present in PDType1Font (1 answer) Closed 9 months ago . I am having trouble writing unicode characters out to a PDF using PDFBox. Here is some sample code that generates garbage characters instead of outputting "š". What can I add to get support for UTF-8 strings? PDDocument document = new PDDocument(); PDPage page = new PDPage(); document.addPage(page); PDPageContentStream contentStream = new

问题 I created a PDF document with the Apache PDFBox library. My problem is to encode the euro currency symbol when drawing a string on the page, because the base font Helvetica does not provide this character. How I can convert the output "þÿ ¬" to the symbol "€"?. 回答1: Unfortunately PDFBox's String encoding is far from perfect yet (version 1.8.x). Unfortunately it uses the same routines when encoding strings in generic PDF objects as when encoding strings in content streams which is

问题 I use PDFBox 1.8.8 and try to overlay a PDDocument with an other document by using the following scala method def mergeTest() = { val home = System.getProperty("user.home") val doc = PDDocument.load(home + "/tmp/document.pdf") val ovl = PDDocument.load(home + "/tmp/overlay.pdf") val ov = new Overlay() val mergeDoc = ov.overlay(ovl, doc) mergeDoc.save(home + "/tmp/result.pdf") doc.close() ovl.close() mergeDoc.close() } I have expected to get every page of "document.pdf" (N pages) overlayed

问题 I extract text from pdf file using pdfbox,when I get font for some text in pdf it get null i don't why! although some another text in the same file i get its font. using this code: protected void processTextPosition(TextPosition text) { String font=text.getFont().getBaseFont(); // equal null } 回答1: String font=text.getFont().getBaseFont(); // equal null PDFont.getBaseFont is implemented to simply return the value of the BaseFont entry of the respective font dictionary. Not all fonts provide a

问题 Closed . This question needs to be more focused. It is not currently accepting answers. Want to improve this question? Update the question so it focuses on one problem only by editing this post. Closed last year . I need to compare and get all the visual differences in the two PDF files. I know there are some questions related to this on stack overflow but they are not fulfilling my need. I'm currently using PDFBox to generate images for pages in PDF and comparing the bytes of the images. By

问题 I am trying to extract text from PDF file using pdfbox but not as a command line tool but inside my Java app. I am downloading pdf using jsoup. res = Jsoup .connect(host+action) .ignoreContentType(true) .data(data) .cookies(cookies) .method(Method.POST) .timeout(20*1000) .execute(); // prepare document InputStream is = new ByteArrayInputStream(res.bodyAsBytes()); PDDocument pdf = new PDDocument(); pdf.load(is,true); // extract text PDFTextStripper stripper = new PDFTextStripper(); String text