private void doActionRemoveWatermark() throws PageException, IOException, DocumentException {
required("pdf", "removeWatermark", "source", source);
if (destination != null && destination.exists() && !overwrite)
throw new ApplicationException("destination file [" + destination + "] already exists");
railo.runtime.img.Image ri =
new railo.runtime.img.Image(1, 1, BufferedImage.TYPE_INT_RGB, Color.BLACK);
Image img = Image.getInstance(ri.getBufferedImage(), null, false);
img.setAbsolutePosition(1, 1);
PDFDocument doc = toPDFDocument(source, password, null);
doc.setPages(pages);
PdfReader reader = doc.getPdfReader();
boolean destIsSource =
destination != null && doc.getResource() != null && destination.equals(doc.getResource());
java.util.List bookmarks = SimpleBookmark.getBookmark(reader);
ArrayList master = new ArrayList();
if (bookmarks != null) master.addAll(bookmarks);
// output
OutputStream os = null;
if (!StringUtil.isEmpty(name) || destIsSource) {
os = new ByteArrayOutputStream();
} else if (destination != null) {
os = destination.getOutputStream();
}
try {
int len = reader.getNumberOfPages();
PdfStamper stamp = new PdfStamper(reader, os);
Set _pages = doc.getPages();
for (int i = 1; i <= len; i++) {
if (_pages != null && !_pages.contains(Integer.valueOf(i))) continue;
PdfContentByte cb = foreground ? stamp.getOverContent(i) : stamp.getUnderContent(i);
PdfGState gs1 = new PdfGState();
gs1.setFillOpacity(0);
cb.setGState(gs1);
cb.addImage(img);
}
if (bookmarks != null) stamp.setOutlines(master);
stamp.close();
} finally {
IOUtil.closeEL(os);
if (os instanceof ByteArrayOutputStream) {
if (destination != null)
IOUtil.copy(
new ByteArrayInputStream(((ByteArrayOutputStream) os).toByteArray()),
destination,
true); // MUST overwrite
if (!StringUtil.isEmpty(name)) {
pageContext.setVariable(
name, new PDFDocument(((ByteArrayOutputStream) os).toByteArray(), password));
}
}
}
}
/** @see com.lowagie.toolbox.AbstractTool#execute() */
public void execute() {
try {
if (getValue("xmlfile") == null)
throw new InstantiationException("You need to choose an xml file");
if (getValue("pdffile") == null)
throw new InstantiationException("You need to choose a source PDF file");
PdfReader reader = new PdfReader(((File) getValue("pdffile")).getAbsolutePath());
reader.consolidateNamedDestinations();
List<HashMap<String, Object>> bookmarks = SimpleBookmark.getBookmark(reader);
// save them in XML format
FileOutputStream bmWriter = new FileOutputStream((File) getValue("xmlfile"));
SimpleBookmark.exportToXML(bookmarks, bmWriter, "UTF-8", false);
bmWriter.close();
} catch (Exception e) {
e.printStackTrace();
JOptionPane.showMessageDialog(
internalFrame, e.getMessage(), e.getClass().getName(), JOptionPane.ERROR_MESSAGE);
System.err.println(e.getMessage());
}
}
private void doActionAddWatermark() throws PageException, IOException, DocumentException {
required("pdf", "addWatermark", "source", source);
if (copyFrom == null && image == null)
throw new ApplicationException(
"at least one of the following attributes must be defined " + "[copyFrom,image]");
if (destination != null && destination.exists() && !overwrite)
throw new ApplicationException("destination file [" + destination + "] already exists");
// image
Image img = null;
if (image != null) {
railo.runtime.img.Image ri =
railo.runtime.img.Image.createImage(pageContext, image, false, false, true);
img = Image.getInstance(ri.getBufferedImage(), null, false);
}
// copy From
else {
byte[] barr;
try {
Resource res = Caster.toResource(pageContext, copyFrom, true);
barr = IOUtil.toBytes(res);
} catch (ExpressionException ee) {
barr = Caster.toBinary(copyFrom);
}
img = Image.getInstance(PDFUtil.toImage(barr, 1).getBufferedImage(), null, false);
}
// position
float x = UNDEFINED, y = UNDEFINED;
if (!StringUtil.isEmpty(position)) {
int index = position.indexOf(',');
if (index == -1)
throw new ApplicationException(
"attribute [position] has a invalid value ["
+ position
+ "],"
+ "value should follow one of the following pattern [40,50], [40,] or [,50]");
String strX = position.substring(0, index).trim();
String strY = position.substring(index + 1).trim();
if (!StringUtil.isEmpty(strX)) x = Caster.toIntValue(strX);
if (!StringUtil.isEmpty(strY)) y = Caster.toIntValue(strY);
}
PDFDocument doc = toPDFDocument(source, password, null);
doc.setPages(pages);
PdfReader reader = doc.getPdfReader();
reader.consolidateNamedDestinations();
boolean destIsSource =
destination != null && doc.getResource() != null && destination.equals(doc.getResource());
java.util.List bookmarks = SimpleBookmark.getBookmark(reader);
ArrayList master = new ArrayList();
if (bookmarks != null) master.addAll(bookmarks);
// output
OutputStream os = null;
if (!StringUtil.isEmpty(name) || destIsSource) {
os = new ByteArrayOutputStream();
} else if (destination != null) {
os = destination.getOutputStream();
}
try {
int len = reader.getNumberOfPages();
PdfStamper stamp = new PdfStamper(reader, os);
if (len > 0) {
if (x == UNDEFINED || y == UNDEFINED) {
PdfImportedPage first = stamp.getImportedPage(reader, 1);
if (y == UNDEFINED) y = (first.getHeight() - img.getHeight()) / 2;
if (x == UNDEFINED) x = (first.getWidth() - img.getWidth()) / 2;
}
img.setAbsolutePosition(x, y);
// img.setAlignment(Image.ALIGN_JUSTIFIED); ration geht nicht anhand mitte
}
// rotation
if (rotation != 0) {
img.setRotationDegrees(rotation);
}
Set _pages = doc.getPages();
for (int i = 1; i <= len; i++) {
if (_pages != null && !_pages.contains(Integer.valueOf(i))) continue;
PdfContentByte cb = foreground ? stamp.getOverContent(i) : stamp.getUnderContent(i);
PdfGState gs1 = new PdfGState();
// print.out("op:"+opacity);
gs1.setFillOpacity(opacity);
// gs1.setStrokeOpacity(opacity);
cb.setGState(gs1);
cb.addImage(img);
}
if (bookmarks != null) stamp.setOutlines(master);
stamp.close();
} finally {
IOUtil.closeEL(os);
if (os instanceof ByteArrayOutputStream) {
if (destination != null)
IOUtil.copy(
new ByteArrayInputStream(((ByteArrayOutputStream) os).toByteArray()),
destination,
true); // MUST overwrite
if (!StringUtil.isEmpty(name)) {
pageContext.setVariable(
name, new PDFDocument(((ByteArrayOutputStream) os).toByteArray(), password));
}
}
}
}
