Hello,
Perhaps the answer is in the post........
com.lowagie.text.Document
I would try using an up to date version of the library.
Regards,
Andrew
======
On 20/06/2013 13:10, Zoharat wrote:
Following is a code snippet creating a pdf file where pages could be rotated
in the resulting file. This works fine for most pdf files. But one
particualr pdf file of version 1.6 the page is already rotated by 180, on
applying further rotation to it e.g. 90 degress and saving the file causes
it to get corrupted. Infact even if you don't rotate the file and simply
write it out to another file using iText the file the resulting pdf is
corrupted and displays an out of memory exception when opened in Adobe
reader.
Why would that happen? Am I missing some sort of compression in the file.
private String createPdfFileWithoutForms(final EditStateData[]
editStateData, final String directory)
throws EditingException {
Long startTime = System.currentTimeMillis();
File pdfFileToReturn = new File(directory + File.separator +
UidGenerator.generate() + ".pdf");
com.lowagie.text.Documentdocument = null;
FileOutputStream outputStream = null;
PdfCopy pdfCopy = null;
PdfReader reader = null;
PdfDictionary pageDict = null;
int rotationAngle = 0;
Map<Integer, Integer> rotationQuadrants = null;
try {
document = new com.lowagie.text.Document();
outputStream = new FileOutputStream(pdfFileToReturn);
pdfCopy = new PdfCopy(document, outputStream);
pdfCopy.setFullCompression();
pdfCopy.setCompressionLevel(9);
document.open();
for (EditStateData state : editStateData) {
try {
reader = new PdfReader(state.getFileName());
reader.selectPages(state.getPages());
rotationQuadrants = state.getRotationQuadrants();
for (int i = 1; i <= reader.getNumberOfPages(); i++) {
// Rotation quadrant key is the source page number
if
(rotationQuadrants.containsKey(state.getPages().get(i - 1))) {
rotationAngle = reader.getPageRotation(i);
pageDict = reader.getPageN(i);
pageDict.put(PdfName.ROTATE,
new PdfNumber((rotationAngle
+
rotationQuadrants.get(state.getPages().get(i - 1))) % 360));
}
document.setPageSize(reader.getPageSizeWithRotation(i));
document.newPage();
// import the page from source pdf
PdfImportedPage page =
pdfCopy.getImportedPage(reader, i);
// add the page to the destination pdf
pdfCopy.addPage(page);
}
} catch (final IOException e) {
LOGGER.error(e.getMessage(), e);
throw new EditingException(e.getMessage(), e);
} finally {
if (reader != null) {
reader.close();
}
}
}
} catch (final Exception e) {
LOGGER.error(e.getMessage(), e);
throw new EditingException(e.getMessage(), e);
} finally {
if (document != null) {
document.close();
}
if (pdfCopy != null) {
pdfCopy.close();
}
IoUtils.closeQuietly(outputStream);
}
LOGGER.debug("Combining " + editStateData.length + " pdf files took
"
+ ((System.currentTimeMillis() - startTime) / 1000) + " msecs");
return pdfFileToReturn.getAbsolutePath();
}
--
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Please check the keywords list before you ask for examples:
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