I suspect you have a RGB image with a CMYK color profile, the profile must
match the bytes in the image otherwise you'll have the "insufficient data"
error. Have a look at
http://thread.gmane.org/gmane.comp.java.lib.itext.general/52049/.
Paulo
----- Original Message -----
From: fhomasp
To: itext-questions@lists.sourceforge.net
Sent: Friday, August 20, 2010 11:12 AM
Subject: [iText-questions] PdfContentByteInst.addImage messes up jpg
Hey,
I seem to have stumbled upon this peculiar problem and eventhough this might
easy be a java.awt problem, I am using iText to add pictures and I notice
this to be a blocking problem in my project.
An image gets placed on a pdfptable using a PdfPCellEvent subclass. The
image has to have restrictions of course so if it is too large it needs to
be resized.
So the image gets placed on the document using
PdfPContentbyteInst.addImage(image,...) (see unit test).
Of course this addImage() method uses the AffineTransform class from
java.awt, which might be the culprit, I don't really know. But in one of my
outputs one resized picture gets messed up and breaks the document. Some
content is placed on the document but it's not always visible and it's
impossible to print such a document due to "insufficient data for image",
according to Adobe pdfReader 8.1.
I'll attach two of my test output pdf files, one with the problem image and
one with another image that doesn't show the problem. I'll also attach the
image that gets broken upon resizing.
You'll need to add the image to your C:\ (root dir) for this unittest to use
the pic (obviously).
public class BanenLadderTest
{
private static float MAXIMAGEWIDTH = 10f;
@Test
public void testImageResizeProblem() throws FileNotFoundException,
DocumentException {
PdfPTable main = new PdfPTable(1);
main.setTotalWidth(350f);
main.setSpacingAfter(0);
main.setSpacingBefore(0);
main.getDefaultCell().setBorder(Rectangle.NO_BORDER);
main.setLockedWidth(true);
for(int i=0; i < 5; i++){
Paragraph title = new Paragraph(new Phrase(new Chunk("titel
"+i,FontFactory.getFont(BaseFont.TIMES_ROMAN))));
Paragraph par = new Paragraph(new Phrase(new Chunk("cell "+i,
FontFactory.getFont(BaseFont.TIMES_ROMAN))));
PdfPCell cell = new PdfPCell();
cell.addElement(title);
cell.addElement(par);
Paragraph par2 = new Paragraph(new Phrase(new Chunk("nextline"
,FontFactory.getFont(BaseFont.TIMES_ROMAN))));
applyDefaultCellProps(cell);
cell.addElement(par2);
cell.setCellEvent(new
CellImage("/logo_bedrijf_miniId_32538.jpg"));
main.addCell(cell);
}
Document document = new Document(new Rectangle(350f,
main.getTotalHeight())); //!!
File file = new File("c:/tmp/sizeTest.pdf");
FileOutputStream fos = new FileOutputStream(file);
PdfWriter writer = PdfWriter.getInstance(document, fos);
document.setMargins(0f,0f,0f,0f);
document.open();
main.writeSelectedRows(0,main.getRows().size(),0f,main.getTotalHeight(),writer.getDirectContent());
document.close();
writer.close();
}
private void applyDefaultCellProps(PdfPCell cell){
cell.setBorder(PdfPCell.NO_BORDER);
cell.enableBorderSide(Rectangle.LEFT);
cell.enableBorderSide(Rectangle.RIGHT);
cell.setPadding(5);
cell.setPaddingTop(0);
cell.setPaddingBottom(2);
cell.setUseAscender(true);
cell.setUseDescender(true);
}
private class CellImage implements PdfPCellEvent {
private String imageUrl;
public CellImage(String imageUrl) {
this.imageUrl = imageUrl;
}
public void cellLayout(PdfPCell pdfPCell, Rectangle rectangle,
PdfContentByte[] pdfContentBytes) {
if(imageUrl != null && !imageUrl.equals("")) {
PdfContentByte cb = pdfContentBytes[PdfPTable.TEXTCANVAS];
try {
File file = new File(imageUrl);
URL url = file.toURI().toURL();
Image image = Image.getInstance(url);
float simulatedImageWidth = image.getWidth();
float simulatedImageHeight = image.getHeight();
float right;
float top;
if(simulatedImageWidth > MAXIMAGEWIDTH){
simulatedImageWidth = MAXIMAGEWIDTH;
simulatedImageHeight =
berekenHeightMetNieuweBreedte(image.getWidth(),image.getHeight());
right = rectangle.getRight() - (simulatedImageWidth
+ pdfPCell.getPaddingRight());
top = rectangle.getTop() - (simulatedImageHeight +
pdfPCell.getPaddingTop() + pdfPCell.getPaddingBottom());
}else {
right = rectangle.getRight() - (simulatedImageWidth
+ pdfPCell.getPaddingRight());
top = rectangle.getTop() - (simulatedImageHeight +
pdfPCell.getPaddingTop() + pdfPCell.getPaddingBottom());
}
cb.addImage(image,simulatedImageWidth,0,0,simulatedImageHeight,right,top);
} catch (DocumentException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
}
private float berekenHeightMetNieuweBreedte(float width,float
height){
float deler = width / MAXIMAGEWIDTH;
return height / deler;
}
}
}
**** EDIT: hmm, upon uploading the picture using "insert image" I get
"Invalid ICC profile data". This might already mean something to someone
:-) After a little googling I understand that it has something to do with
uncalibrated colours.
So is there a way for me to check wheather such a picture is being used and
not insert in my document?
http://itext-general.2136553.n4.nabble.com/file/n2332319/logo_bedrijf_miniId_32538.jpg
logo_bedrijf_miniId_32538.jpg
http://itext-general.2136553.n4.nabble.com/file/n2332319/sizeTestProblem.pdf
sizeTestProblem.pdf
http://itext-general.2136553.n4.nabble.com/file/n2332319/sizeTest.pdf
sizeTest.pdf
--
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http://itext-general.2136553.n4.nabble.com/PdfContentByteInst-addImage-messes-up-jpg-tp2332319p2332319.html
Sent from the iText - General mailing list archive at Nabble.com.
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