public class PDFPayslipListener extends PdfPageEventHelper {
private static final Logger LOG =
Logger.getLogger(PDFPayslipListener.class);
private PdfImportedPage template;
private PdfContentByte canvas;
private String pdfFileName;
private String logoPath;
private AcroFields pdfForm;
private Image img;
public void setPdfFileName(final String filePath) {
pdfFileName = filePath;
}
public void setLogoPath(final String logoPath) {
this.logoPath = logoPath;
}
public AcroFields getPdfForm() {
return pdfForm;
}
@Override
public void onOpenDocument(final PdfWriter writer, final Document
doc) {
try {
PdfReader reader = new PdfReader(pdfFileName);
pdfForm = reader.getAcroFields();
canvas = writer.getDirectContentUnder();
img = Image.getInstance(logoPath);
template = writer.getImportedPage(reader, 1);
} catch(IOException e) {
LOG.error("Exception caught in PDF Listener.", e);
}
}
@Override
public void onEndPage(final PdfWriter writer, final Document doc) {
canvas.addTemplate(template, 0, 0);
insertLogo();
}
private void insertLogo() {
float[] logoPos = pdfForm.getFieldPositions("LOGO");
if(logoPos != null) {
try {
//float fieldPage = logoPos[0];
float fieldLx = logoPos[1];
float fieldLy = logoPos[2];
float fieldUx = logoPos[3];
float fieldUy = logoPos[4];
Rectangle rect = new Rectangle(fieldLx, fieldLy,
fieldUx, fieldUy);
float absPosWidth = fieldLx;
float absPosHeight = fieldLy;
img.scaleToFit(rect.getWidth(), rect.getHeight());
img.setAbsolutePosition(absPosWidth, absPosHeight);
canvas.addImage(img, rect.getWidth(), 0, 0,
rect.getHeight(), absPosWidth, absPosHeight);
} catch(DocumentException ex) {
LOG.error("Document Error adding image to template.",
ex);
} catch(IOException ex) {
LOG.error("IOException adding image to template.", ex);
}
}
}
}
The image will only be added once.
Paulo
> -----Original Message-----
> From: Matthew Hawkins [mailto:hawk...@4email.net]
> Sent: Monday, May 11, 2009 11:19 AM
> To: itext-questions@lists.sourceforge.net
> Subject: [iText-questions] Adding Image to template
>
> Hi,
>
> first thanks to those that answered my previous question - I
> am using a
> different method as I have a heap space error, so must go down the
> BatchFormFill route when using forms rather than PDFSmartCopy etc.
>
> My problem is that I have a base PDF, and I must add an Image
> at runtime
> to it. Now that I have this PDF with the Image, I must run about 700
> times populating data.
>
> I am using the following code, but the image does not appear
> - but if I
> add it to the direct content it does, on the first page (as you would
> expect). So my Image works and is not null - but it does not appear on
> the template document.
>
> I can add the Image to each individual page, but as you would imagine
> the resulting document size is much too big. I must add the
> Image to the
> document once to keep the document size small.
>
> Please can you tell me what I'm doing wrong - am I adding the image to
> the wrong object??
>
> public class PDFPayslipListener extends PdfPageEventHelper {
> private static final Logger LOG =
> Logger.getLogger(PDFPayslipListener.class);
> private PdfImportedPage template;
> private PdfContentByte canvas;
> private String pdfFileName;
> private String logoPath;
> private AcroFields pdfForm;
>
> public void setPdfFileName(final String filePath) {
> pdfFileName = filePath;
> }
>
> public void setLogoPath(final String logoPath) {
> this.logoPath = logoPath;
> }
>
> public AcroFields getPdfForm() {
> return pdfForm;
> }
>
> @Override
> public void onOpenDocument(final PdfWriter writer, final Document
> doc) {
> try {
> PdfReader reader = new PdfReader(pdfFileName);
> pdfForm = reader.getAcroFields();
> canvas = writer.getDirectContentUnder();
> insertLogo();
> template = writer.getImportedPage(reader, 1);
> } catch(IOException e) {
> LOG.error("Exception caught in PDF Listener.", e);
> }
> }
>
> @Override
> public void onEndPage(final PdfWriter writer, final
> Document doc) {
> canvas.addTemplate(template, 0, 0);
> }
>
> private void insertLogo() {
> float[] logoPos = pdfForm.getFieldPositions("LOGO");
> if(logoPos != null) {
> try {
> //float fieldPage = logoPos[0];
> float fieldLx = logoPos[1];
> float fieldLy = logoPos[2];
> float fieldUx = logoPos[3];
> float fieldUy = logoPos[4];
> Rectangle rect = new Rectangle(fieldLx, fieldLy,
> fieldUx, fieldUy);
> Image img = Image.getInstance(logoPath);
> float absPosWidth = fieldLx;
> float absPosHeight = fieldLy;
> img.scaleToFit(rect.getWidth(), rect.getHeight());
> img.setAbsolutePosition(absPosWidth, absPosHeight);
> canvas.addImage(img, rect.getWidth(), 0, 0,
> rect.getHeight(), absPosWidth, absPosHeight);
> } catch(DocumentException ex) {
> LOG.error("Document Error adding image to template.",
> ex);
> } catch(IOException ex) {
> LOG.error("IOException adding image to
> template.", ex);
> }
> }
> }
> }
> --
> Matthew Hawkins
> hawk...@4email.net
>
>
> --------------------------------------------------------------
> ----------------
> The NEW KODAK i700 Series Scanners deliver under ANY
> circumstances! Your
> production scanning environment may not be a perfect world -
> but thanks to
> Kodak, there's a perfect scanner to get the job done! With
> the NEW KODAK i700
> Series Scanner you'll get full speed at 300 dpi even with all image
> processing features enabled. http://p.sf.net/sfu/kodak-com
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>
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The NEW KODAK i700 Series Scanners deliver under ANY circumstances! Your
production scanning environment may not be a perfect world - but thanks to
Kodak, there's a perfect scanner to get the job done! With the NEW KODAK i700
Series Scanner you'll get full speed at 300 dpi even with all image
processing features enabled. http://p.sf.net/sfu/kodak-com
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