How to embed font in PDF created from HTML with iText and Flying Saucer?

html pdf itext apache-fop flying-saucer

27,197

Solution 1

My mistake was to use FontResolver.addFont() in PDFCreationListener.preOpen(). I moved it just before renderer.layout(); and it works now!

Solution 2

You may try the -fs-pdf-font-embed, and -fs-pdf-font-encoding css rules.

From the User's Guide:

-fs-pdf-font-embed: use with the value embed inside a font-face rule to have Flying Saucer embed a font file within a PDF document, avoiding the need to call the addFont() method of the FontResolver class

-fs-pdf-font-encoding: use inside a font-face rule to specify the enconding for a custom font you are embedding inside a PDF; takes the name of the encoding as value.

For example in your print css:

@font-face {
    font-family: DejaVu Serif;
    src: url(fonts/DejaVuSerif.ttf);
    -fs-pdf-font-embed: embed;
    -fs-pdf-font-encoding: Identity-H;
}

Solution 3

Working example:

Files in the root project directory:

Calibri.ttf
input.html

Code:

File inputFile = new File("input.html");
File outputFile = new File("example.pdf");

ITextRenderer renderer = new ITextRenderer();

String url = inputFile.toURI().toURL().toString();
FileOutputStream fileOutputStream = new FileOutputStream(outputFile);

renderer.setDocument(url);
renderer.getFontResolver().addFont("Calibri.ttf", BaseFont.IDENTITY_H, true);
renderer.layout();
renderer.createPDF(fileOutputStream);

fileOutputStream.close();

HTML:

<style type="text/css">
    body {
        font-family: Calibri, sans-serif;
    }
</style>

Surprisingly @font-face css is not needed

27,197

Author by

Michał Niklas

Python fan and user.

Updated on October 18, 2020

Comments

Michał Niklas over 3 years
I have problem with embedding Polish fonts into PDF converted from HTML.

My HTML code have style in body:
```
<BODY style="font-family: Tahoma, Arial, sans-serif;font-size : 8pt;">
```
I tried 2 ways of converting such HTML into PDF:
- FOP with htmlcleaner
- iText with flying-saucer
For FOP I can add all used fonts into its config file and then created PDF have those fonts embedded (if font is used in HTML). In resulting PDF I have Tahoma font in Identity-H encoding. It looks good -- all Polish letters are displayed as expected.

Then I tried such conversion with iText: seems simplier because I do not need to create transformation for every HTML. Unfortunately I don't know how to embed used fonts into resulting PDF. Most examples I found create PDF from scratch and I don't know how to apply those methods to the Flying Saucer ITextRenderer or other object used in conversion.

My current code tries to add fonts in PDFCreationListener.preOpen() by getting ITextFontResolver and adding font fs.addFont(path, true);. But all .pdf I create do not have fonts I want.

The second problem is that result PDF do not have Polish letters. Is it problem in Flying Saucer or in iText? Acrobat shows that created PDF document uses Helvetica with Ansi encoding and ArialMT as font. I think this Ansi encoding is not good. How can I set Polish encoding (Identity-H)?
Michał Niklas over 12 years

Thanks, I tried this and this don't work. Of course I tried also FontResolver.addFont(), but in result PDF there is no font I wanted.
Ankur over 11 years

Hey, I have a same problem and I tried this code renderer.getFontResolver().addFont("c:/simsun.ttf", "UTF-8",BaseFont.EMBEDDED);//I also tried with arialuni.ttf but it doesn't work
rustyx over 11 years

Strange, this worked fine for me. Just make sure to use correct src syntax; FS seems to understand only the url() part, not format() or anything else. There must be only one src with only the ttf file. The example above works.
micfra over 5 years

That worked for me. Added Googles Roboto more detailed using @font-face { font-family: Roboto; src: url(file:///home/fonts/Roboto-Regular.ttf); font-weight: normal; font-style: normal; -fs-pdf-font-embed: embed; -fs-pdf-font-encoding: Identity-H; } and used it by e.g. <body style="font-family: Roboto;">