Invisible links

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Invisible links

by John Renfrew :: Rate this Message:

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Successfully got my stamper to put several lines of text in different colours at the bottom of a document each with a link to something different.

Had been testing it hard on a Mac, when I came to add it to the client solution which runs on PC the outputted PDF file had the link there, but the cursor insisted on being a text i-beam which meant that it could not be clicked. As soon as it was turned into a visible type (and therefore ugly) it became a well behaved link again.

Is this normal behaviour??? Or did I miss a trick???

fm_Font, fm_fileIn and fm_fileOut are passed variables…

//John 02_11_09

import com.lowagie.text.*;

import com.lowagie.text.pdf.*;

import org.apache.commons.codec.binary.*;

try {

PdfReader reader;

PdfStamper stamper;

reader = new PdfReader (fm_FileIn);

stamper = new PdfStamper(reader, new FileOutputStream( fm_FileOut));

stamper.setViewerPreferences(PdfWriter.HideWindowUI | PdfWriter.HideToolbar | PdfWriter.PageLayoutOneColumn );

PdfWriter writer = stamper.getWriter();

PdfAnnotation link = PdfAnnotation.createLink(writer, new Rectangle(50,70,108,88), PdfAnnotation.HIGHLIGHT_INVERT, new PdfAction("mailto:john@...?subject=subject"));

link.setFlags(PdfAnnotation.FLAGS_HIDDEN);

HashMap info = reader.getInfo();

info.put("Subject", " Welcome pack");

info.put("Author", "Admin");

info.put("Title", "M21");

info.put("Author", "Tim");

info.put("Creator", "PDF from iText and Filemaker");

stamper.setMoreInfo(info);

BaseFont bf;

bf = BaseFont.createFont(fm_Font, "Cp1252", BaseFont.EMBEDDED);

PdfContentByte cb;

cb = stamper.getOverContent(1);

cb.beginText();

cb.setFontAndSize(bf, 13);

cb.setTextMatrix(51, 75);

cb.setRGBColorFill(128, 185, 23);

cb.showText("Click HERE to send an eMail");

cb.endText();

stamper.addAnnotation(link, 1);

stamper.close();

} catch (IOException e) {

e.printStackTrace();

} catch (DocumentException e) {

e.printStackTrace();

}

john renfrew

Right Way Up
Office +44 1675 475341
Fax +44 1675 475342
Mobile +44 7767 443992

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Re: Spam: Invisible links

by Mark Storer-2 :: Rate this Message:

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I think what you want is to set the border & fill color to null rather than setting the entire annotation "hidden". Hidden annotations (& fields) should not interact with the cursor at all. Sounds more like a mac-acrobat bug than one on the PC.

link.setMKBorderColor( null );

link.setMKBackgroundColor( null );

--Mark Storer
Senior Software Engineer
Cardiff.com

#include <disclaimer>
typedef std::Disclaimer<Cardiff> DisCard;

-----Original Message-----
From: John Renfrew [mailto:rwu@...]
Sent: Thursday, November 05, 2009 7:50 AM
To: iText-questions@...
Subject: Spam: [iText-questions] Invisible links

Successfully got my stamper to put several lines of text in different colours at the bottom of a document each with a link to something different.

Had been testing it hard on a Mac, when I came to add it to the client solution which runs on PC the outputted PDF file had the link there, but the cursor insisted on being a text i-beam which meant that it could not be clicked. As soon as it was turned into a visible type (and therefore ugly) it became a well behaved link again.

Is this normal behaviour??? Or did I miss a trick???

fm_Font, fm_fileIn and fm_fileOut are passed variables…

//John 02_11_09

import com.lowagie.text.*;

import com.lowagie.text.pdf.*;

import org.apache.commons.codec.binary.*;

try {

                                                PdfReader reader;

                                                PdfStamper stamper;

                                                reader = new PdfReader (fm_FileIn);

                                                stamper = new PdfStamper(reader, new FileOutputStream( fm_FileOut));

                                                stamper.setViewerPreferences(PdfWriter.HideWindowUI | PdfWriter.HideToolbar | PdfWriter.PageLayoutOneColumn );

                                                PdfWriter writer = stamper.getWriter();

                                                PdfAnnotation link = PdfAnnotation.createLink(writer, new Rectangle(50,70,108,88), PdfAnnotation.HIGHLIGHT_INVERT, new PdfAction("mailto:john@...?subject=subject"));

                                                link.setFlags(PdfAnnotation.FLAGS_HIDDEN);

                                                HashMap info = reader.getInfo();

                                                info.put("Subject", " Welcome pack");

                                                info.put("Author", "Admin");

                                                info.put("Title", "M21");

                                                info.put("Author", "Tim");

                                                info.put("Creator", "PDF from iText and Filemaker");

                                                stamper.setMoreInfo(info);

                                                BaseFont bf;

                                                bf = BaseFont.createFont(fm_Font, "Cp1252", BaseFont.EMBEDDED);

                                                PdfContentByte cb;

                                                cb = stamper.getOverContent(1);

                                                cb.beginText();

                                                cb.setFontAndSize(bf, 13);

                                                cb.setTextMatrix(51, 75);

                                                cb.setRGBColorFill(128, 185, 23);

                                                cb.showText("Click HERE to send an eMail");

                                                cb.endText();

                                                stamper.addAnnotation(link, 1);

                                                stamper.close();

                                } catch (IOException e) {

                                                e.printStackTrace();

                                } catch (DocumentException e) {

                                                e.printStackTrace();

                                }

john renfrew

Right Way Up
Office +44 1675 475341
Fax      +44 1675 475342
Mobile +44 7767 443992