Thank you!
I'll give it a try and let you know.
On Mon, Feb 15, 2021 at 6:06 PM Tilman Hausherr <[email protected]>
wrote:
> Am 15.02.2021 um 10:32 schrieb Tamas Kocsis:
> > Thanks for the info and for looking into it.
> > Never tried building PDFBox from source, but I guess I could do it. Would
> > be nice if I could test this with 2.0...
>
> OK here's some code. If you can't get it run (don't waste too much time
> if you hit roadblocks) then I'll create an issue and commit and build a
> snapshot.
>
> PDFont.java:
>
>
>
> /**
> * Get the /ToUnicode CMap.
> *
> * @return The /ToUnicode CMap or null if there is none.
> */
> protected CMap getToUnicodeCMap()
> {
> return toUnicodeCMap;
> }
>
> PDCIDFontType2.java:
>
> add this at the place mentioned in your first post
>
> byte[] codes =
>
> parent.getToUnicodeCMap().getCodesFromUnicode(Character.toString((char)unicode));
> if (codes != null)
> {
> return codes;
> }
>
>
> in CMap.java
>
>
> add
>
> unicodeToByteCodes.put(unicode, codes.clone()); // clone needed, bytes
> is modified later
>
> as first line of the method addCharMapping()
>
>
> also add these in the clas
>
> // inverted map
> Map <String, byte[]> unicodeToByteCodes = new HashMap<String,
> byte[]>();
>
>
> /**
> * Get the code bytes for an unicode string.
> *
> * @param unicode
> * @return the code bytes or null if there is none.
> */
> public byte[] getCodesFromUnicode(String unicode)
> {
> return unicodeToByteCodes.get(unicode);
> }
>
>
> and a test, for TestFontEmbedding.java . If the test runs then you're
> successful
>
>
>
> /**
> * Test that an embedded and subsetted font can be reused.
> *
> * @throws IOException
> */
> public void testReuseEmbeddedSubsettedFont() throws IOException
> {
> String text1 = "The quick brown fox";
> String text2 = "xof nworb kciuq ehT";
> ByteArrayOutputStream baos = new ByteArrayOutputStream();
> PDDocument document = new PDDocument();
> PDPage page = new PDPage();
> document.addPage(page);
> InputStream input = PDFont.class.getResourceAsStream(
> "/org/apache/pdfbox/resources/ttf/LiberationSans-Regular.ttf");
> PDType0Font font = PDType0Font.load(document, input);
> PDPageContentStream stream = new PDPageContentStream(document,
> page);
> stream.beginText();
> stream.setFont(font, 20);
> stream.newLineAtOffset(50, 600);
> stream.showText(text1);
> stream.endText();
> stream.close();
> document.save(baos);
> document.close();
> // Append, while reusing the font subset
> document = PDDocument.load(baos.toByteArray());
> page = document.getPage(0);
> font = (PDType0Font)
> page.getResources().getFont(COSName.getPDFName("F1"));
> stream = new PDPageContentStream(document, page,
> PDPageContentStream.AppendMode.APPEND, true);
> stream.beginText();
> stream.setFont(font, 20);
> stream.newLineAtOffset(250, 600);
> stream.showText(text2);
> stream.endText();
> stream.close();
> baos.reset();
> document.save(baos);
> document.close();
> // Test that both texts are there
> document = PDDocument.load(baos.toByteArray());
> PDFTextStripper stripper = new PDFTextStripper();
> String extractedText = stripper.getText(document);
> assertEquals(text1 + " " + text2, extractedText.trim());
> document.close();
> }
>
>
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