下面列出了java.awt.print.PrinterIOException#org.apache.pdfbox.pdmodel.PDPage 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。
@Override
protected void print(PDDocument document) throws IOException {
// create the page
this.document = document;
page = new PDPage(new PDRectangle(width * MM_TO_POINT, height * MM_TO_POINT));
document.addPage(page);
contentStream = new PDPageContentStream(document, page);
// print the widgets
for (int i = 0; i < widgetstoprint.size(); i++) {
PageExecutable thiswidget = widgetstoprint.get(i);
thiswidget.printComponent();
}
// close the page
contentStream.close();
}
/**
* @see #testAddLikeCccompanyImproved()
*/
private static ByteArrayOutputStream generatePdfFromStringImproved(String content) throws IOException {
try ( PDDocument doc = new PDDocument();
InputStream notoSansRegularResource = AddTextWithDynamicFonts.class.getResourceAsStream("NotoSans-Regular.ttf");
InputStream notoSansCjkRegularResource = AddTextWithDynamicFonts.class.getResourceAsStream("NotoSansCJKtc-Regular.ttf") ) {
PDType0Font notoSansRegular = PDType0Font.load(doc, notoSansRegularResource);
PDType0Font notoSansCjkRegular = PDType0Font.load(doc, notoSansCjkRegularResource);
List<PDFont> fonts = Arrays.asList(notoSansRegular, notoSansCjkRegular);
List<TextWithFont> fontifiedContent = fontify(fonts, content);
PDPage page = new PDPage();
doc.addPage(page);
try ( PDPageContentStream contentStream = new PDPageContentStream(doc, page)) {
contentStream.beginText();
for (TextWithFont textWithFont : fontifiedContent) {
textWithFont.show(contentStream, 12);
}
contentStream.endText();
}
ByteArrayOutputStream os = new ByteArrayOutputStream();
doc.save(os);
return os;
}
}
/**
* @see #testJoinSmallAndBig()
*/
PDDocument prepareBiggerPdf() throws IOException {
PDDocument document = new PDDocument();
PDPage page = new PDPage(PDRectangle.A5);
document.addPage(page);
PDPageContentStream contentStream = new PDPageContentStream(document, page);
contentStream.setNonStrokingColor(Color.GREEN);
contentStream.addRect(0, 0, PDRectangle.A5.getWidth(), PDRectangle.A5.getHeight());
contentStream.fill();
contentStream.setNonStrokingColor(Color.BLACK);
PDFont font = PDType1Font.HELVETICA;
contentStream.beginText();
contentStream.setFont(font, 18);
contentStream.newLineAtOffset(2, PDRectangle.A5.getHeight() - 24);
contentStream.showText("This is the Bigger page");
contentStream.newLineAtOffset(0, -48);
contentStream.showText("BIGGER!");
contentStream.endText();
contentStream.close();
return document;
}
@Test
public void testPdfBox() throws IOException {
File pdfFile = new File(PdfHelper.PDF_TEST_RESOURCES + "pdf/1.pdf");
File outDir = new File("target");
PDDocument document = PDDocument.load(pdfFile);
@SuppressWarnings("unchecked")
List<PDPage> pages = document.getDocumentCatalog().getAllPages();
int imageId = 0;
for (PDPage page : pages) {
for (PDXObjectImage img : page.getResources().getImages().values()) {
int height = img.getHeight();
int width = img.getWidth();
System.out.println(img.getCOSStream().toString());
img.write2file(new File(outDir, imageId++ + "."
+ img.getSuffix()));
}
}
}
/**
* @see #testAddLikeCccompany()
*/
private static ByteArrayOutputStream generatePdfFromString(String content) throws IOException {
PDPage page = new PDPage();
try (PDDocument doc = new PDDocument();
PDPageContentStream contentStream = new PDPageContentStream(doc, page)) {
doc.addPage(page);
contentStream.setFont(PDType1Font.HELVETICA, 12);
// Or load a specific font from a file
// contentStream.setFont(PDType0Font.load(this.doc, new File("/fontPath.ttf")), 12);
contentStream.beginText();
contentStream.showText(content);
contentStream.endText();
contentStream.close();
ByteArrayOutputStream os = new ByteArrayOutputStream();
doc.save(os);
return os;
}
}
/**
* Update the StructParents and StructParent values in a PDPage.
*
* @param page the new page
* @param structParentOffset the offset which should be applied
*/
private void updateStructParentEntries(PDPage page, int structParentOffset) throws IOException
{
if (page.getStructParents() >= 0)
{
page.setStructParents(page.getStructParents() + structParentOffset);
}
List<PDAnnotation> annots = page.getAnnotations();
List<PDAnnotation> newannots = new ArrayList<PDAnnotation>();
for (PDAnnotation annot : annots)
{
if (annot.getStructParent() >= 0)
{
annot.setStructParent(annot.getStructParent() + structParentOffset);
}
newannots.add(annot);
}
page.setAnnotations(newannots);
}
private void breakPage(DocumentWithResources documentWithResources, PrintCursor cursor, PrintData printData) throws IOException {
final PDDocument document = documentWithResources.getDocument();
if (cursor.currentStream != null) {
cursor.currentStream.close();
}
if (printData.templateResource == null) {
document.addPage(new PDPage(printData.pageConfig.getPageSize()));
} else {
PDDocument templateDoc = PDDocument.load(printData.templateResource.getInputStream());
cursor.cacheTempalte(templateDoc);
PDPage templatePage = templateDoc.getDocumentCatalog().getPages().get(0);
document.importPage(templatePage);
// prevent warnings about unclosed resources from finalizers by tracking these dependencies
documentWithResources.addResourceDependency(templateDoc);
}
PDPage currPage = document.getDocumentCatalog().getPages().get(++cursor.currentPageNumber);
cursor.currentStream = new PDPageContentStream(document, currPage, PDPageContentStream.AppendMode.APPEND, false);
cursor.yPos = printData.pageConfig.getStartY(cursor.currentPageNumber);
cursor.xPos = printData.pageConfig.getStartX();
}
public byte[] createPdf() throws IOException {
try (PDDocument document = new PDDocument()) {
PDPage page = new PDPage(PDRectangle.A4);
page.setRotation(90);
float pageWidth = page.getMediaBox().getWidth();
float pageHeight = page.getMediaBox().getHeight();
PDPageContentStream contentStream = new PDPageContentStream(document, page);
PDImageXObject chartImage = JPEGFactory.createFromImage(document,
createChart((int) pageHeight, (int) pageWidth));
contentStream.transform(new Matrix(0, 1, -1, 0, pageWidth, 0));
contentStream.drawImage(chartImage, 0, 0);
contentStream.close();
document.addPage(page);
ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
document.save(byteArrayOutputStream);
return byteArrayOutputStream.toByteArray();
}
}
private AnnotationDrawListener createAndGetAnnotationDrawListenerWith(DrawingContext drawingContext) {
return new AnnotationDrawListener(new DrawContext() {
@Override
public PDDocument getPdDocument() {
return null;
}
@Override
public PDPage getCurrentPage() {
return drawingContext.getPage();
}
@Override
public PDPageContentStream getCurrentPageContentStream() {
return drawingContext.getContentStream();
}
});
}
/**
* <a href="http://stackoverflow.com/questions/40611736/rotate-pdf-around-its-center-using-pdfbox-in-java">
* Rotate PDF around its center using PDFBox in java
* </a>
* <p>
* This test shows how to rotate the page content and then set the crop
* box and media box to the bounding rectangle of the rotated page area.
* </p>
*/
@Test
public void testRotateExpandBox() throws IOException
{
try ( InputStream resource = getClass().getResourceAsStream("IRJET_Copy_Right_form.pdf") )
{
PDDocument document = Loader.loadPDF(resource);
PDPage page = document.getDocumentCatalog().getPages().get(0);
PDPageContentStream cs = new PDPageContentStream(document, page, PDPageContentStream.AppendMode.PREPEND, false, false);
Matrix matrix = Matrix.getRotateInstance(Math.toRadians(45), 0, 0);
cs.transform(matrix);
cs.close();
PDRectangle cropBox = page.getCropBox();
Rectangle rectangle = cropBox.transform(matrix).getBounds();
PDRectangle newBox = new PDRectangle((float)rectangle.getX(), (float)rectangle.getY(), (float)rectangle.getWidth(), (float)rectangle.getHeight());
page.setCropBox(newBox);
page.setMediaBox(newBox);
document.save(new File(RESULT_FOLDER, "IRJET_Copy_Right_form-rotated-expand-box.pdf"));
}
}
@Test
public void createTwoPageTableWithRepeatedHeaderOfThreeRows() throws IOException {
try (final PDDocument document = new PDDocument()) {
RepeatedHeaderTableDrawer.builder()
.table(createTableWithThreeHeaderRows())
.startX(50)
.startY(200F)
.endY(50F) // note: if not set, table is drawn over the end of the page
.numberOfRowsToRepeat(2)
.build()
.draw(() -> document, () -> new PDPage(PDRectangle.A4), 50f);
document.save(TestUtils.TARGET_FOLDER + "/severalPagesTableRepeatedHeaderMultipleRows.pdf");
}
}
private static void createPDF(List<InputStream> inputImages, Path output) throws IOException {
PDDocument document = new PDDocument();
try {
for (InputStream is : inputImages) {
BufferedImage bimg = ImageIO.read(is);
float width = bimg.getWidth();
float height = bimg.getHeight();
PDPage page = new PDPage(new PDRectangle(width, height));
document.addPage(page);
PDImageXObject img = LosslessFactory.createFromImage(document, bimg);
try (PDPageContentStream contentStream = new PDPageContentStream(document, page)) {
contentStream.drawImage(img, 0, 0);
}
}
document.save(output.toFile());
} finally {
document.close();
}
}
private void writeGraphPage( GraphDisplay graphDisplay )
throws IOException
{
File tFile = File.createTempFile( "envisage", ".png" );
graphDisplay.saveImage( new FileOutputStream( tFile ), "png", 1d );
BufferedImage img = ImageIO.read( tFile );
int w = img.getWidth();
int h = img.getHeight();
int inset = 40;
PDRectangle pdRect = new PDRectangle( w + inset, h + inset );
PDPage page = new PDPage();
page.setMediaBox( pdRect );
doc.addPage( page );
PDImageXObject xImage = PDImageXObject.createFromFileByExtension( tFile, doc );
PDPageContentStream contentStream = new PDPageContentStream( doc, page );
contentStream.drawImage( xImage, ( pdRect.getWidth() - w ) / 2, ( pdRect.getHeight() - h ) / 2 );
contentStream.close();
}
/**
* <a href="https://stackoverflow.com/questions/58427451/how-to-apply-digital-signature-image-at-bottom-left-position-in-the-last-page-of">
* How to apply digital signature image at bottom left position in the last page of pdf using pdfbox?
* </a>
* <br/>
* <a href="http://www.orimi.com/pdf-test.pdf">
* pdf-test.pdf
* </a>
* <p>
* As the OP found out himself, the `BoundingBoxFinder` coordinates
* could not be used as is in the `CreateVisibleSignature`. This test
* demonstrates the required transformation with the example document
* apparently used by the OP.
* </p>
*/
@Test
public void signLikeHemantPdfTest() throws IOException, GeneralSecurityException {
File documentFile = new File("src/test/resources/mkl/testarea/pdfbox2/sign/pdf-test.pdf");
File signedDocumentFile = new File(RESULT_FOLDER, "pdf-test-signedLikeHemant.pdf");
Rectangle2D boundingBox;
PDRectangle mediaBox;
try ( PDDocument document = Loader.loadPDF(documentFile) ) {
PDPage pdPage = document.getPage(0);
BoundingBoxFinder boundingBoxFinder = new BoundingBoxFinder(pdPage);
boundingBoxFinder.processPage(pdPage);
boundingBox = boundingBoxFinder.getBoundingBox();
mediaBox = pdPage.getMediaBox();
}
CreateVisibleSignature signing = new CreateVisibleSignature(ks, PASSWORD.clone());
try ( InputStream imageStream = getClass().getResourceAsStream("/mkl/testarea/pdfbox2/content/Willi-1.jpg")) {
signing.setVisibleSignDesigner(documentFile.getPath(), (int)boundingBox.getX(), (int)(mediaBox.getUpperRightY() - boundingBox.getY()), -50, imageStream, 1);
}
signing.setVisibleSignatureProperties("name", "location", "Security", 0, 1, true);
signing.setExternalSigning(false);
signing.signPDF(documentFile, signedDocumentFile, null);
}
/**
* <a href="https://stackoverflow.com/questions/58606529/pdf-size-too-large-generating-through-android-pdfdocument-and-while-using-pdfbo">
* PDF size too large generating through Android PDFDocument. And while using pdfbox it is cutting image in output
* </a>
* <p>
* This code shows how to draw an image onto a page with
* the image "default size".
* </p>
*/
@Test
public void testDrawImageToFitPage() throws IOException {
try ( InputStream imageResource = getClass().getResourceAsStream("Willi-1.jpg")) {
PDDocument document = new PDDocument();
PDImageXObject ximage = JPEGFactory.createFromStream(document,imageResource);
PDPage page = new PDPage(new PDRectangle(ximage.getWidth(), ximage.getHeight()));
document.addPage(page);
PDPageContentStream contentStream = new PDPageContentStream(document, page);
contentStream.drawImage(ximage, 0, 0);
contentStream.close();
document.save(new File(RESULT_FOLDER, "Willi-1.pdf"));
document.close();
}
}
/**
* This method creates a new parent tree in the given structure
* tree root based on the contents of the mapping of page and
* MCID to structure node.
*
* @see #rebuildParentTree(PDDocument)
*/
void rebuildParentTreeFromData(PDStructureTreeRoot root, Map<PDPage, Map<Integer, PDStructureNode>> parentsByPage) {
int parentTreeMaxkey = -1;
Map<Integer, COSArray> numbers = new HashMap<>();
for (Map.Entry<PDPage, Map<Integer, PDStructureNode>> entry : parentsByPage.entrySet()) {
int parentsId = entry.getKey().getCOSObject().getInt(COSName.STRUCT_PARENTS);
if (parentsId < 0) {
System.err.printf("Page without StructsParents. Ignoring %s MCIDs.\n", entry.getValue().size());
} else {
if (parentTreeMaxkey < parentsId)
parentTreeMaxkey = parentsId;
COSArray array = new COSArray();
for (Map.Entry<Integer, PDStructureNode> subEntry : entry.getValue().entrySet()) {
array.growToSize(subEntry.getKey() + 1);
array.set(subEntry.getKey(), subEntry.getValue());
}
numbers.put(parentsId, array);
}
}
PDNumberTreeNode numberTreeNode = new PDNumberTreeNode(PDParentTreeValue.class);
numberTreeNode.setNumbers(numbers);
root.setParentTree(numberTreeNode);
root.setParentTreeNextKey(parentTreeMaxkey + 1);
}
/**
* <a href="http://stackoverflow.com/questions/28321374/how-to-get-page-content-height-using-pdfbox">
* How to get page content height using pdfbox
* </a>
* <br/>
* <a href="http://d.pr/f/137PF">
* test-pdf4.pdf
* </a>
* <br/>
* <a href="http://d.pr/f/15uBF">
* test-pdf5.pdf
* </a>
* <p>
* The clip paths found here correspond to the Illustrator compound elements.
* </p>
*/
@Test
public void testTestPdf5() throws IOException
{
try (InputStream resource = getClass().getResourceAsStream("test-pdf5.pdf"))
{
System.out.println("test-pdf5.pdf");
PDDocument document = Loader.loadPDF(resource);
PDPage page = document.getPage(0);
ClipPathFinder finder = new ClipPathFinder(page);
finder.findClipPaths();
for (Path path : finder)
{
System.out.println(path);
}
document.close();
}
}
@Override
protected void drawPageNumber(PDFImprinter writer, PDPage page, int pageNumber, int totalPages) throws IOException {
PDPageContentStream contentStream = writer.openContentStream(page);
PDFUtil.renderTextLine(
contentStream,
fontA,
PDFUtil.FontSize.TINY,
Settings.getColor(CourseCertificatePDFSettingCodes.TEXT_COLOR, Bundle.COURSE_CERTIFICATE_PDF, CourseCertificatePDFDefaultSettings.TEXT_COLOR),
L10nUtil.getCourseCertificatePDFLabel(Locales.COURSE_CERTIFICATE_PDF, CourseCertificatePDFLabelCodes.PAGE_NUMBER, "", pageNumber, totalPages),
Settings.getFloat(CourseCertificatePDFSettingCodes.PAGE_LEFT_MARGIN, Bundle.COURSE_CERTIFICATE_PDF, CourseCertificatePDFDefaultSettings.PAGE_LEFT_MARGIN)
+ (pageWidth
- Settings.getFloat(CourseCertificatePDFSettingCodes.PAGE_LEFT_MARGIN, Bundle.COURSE_CERTIFICATE_PDF,
CourseCertificatePDFDefaultSettings.PAGE_LEFT_MARGIN)
- Settings.getFloat(CourseCertificatePDFSettingCodes.PAGE_RIGHT_MARGIN,
Bundle.COURSE_CERTIFICATE_PDF, CourseCertificatePDFDefaultSettings.PAGE_RIGHT_MARGIN))
/ 2.0f,
Settings.getFloat(CourseCertificatePDFSettingCodes.PAGE_LOWER_MARGIN, Bundle.COURSE_CERTIFICATE_PDF, CourseCertificatePDFDefaultSettings.PAGE_LOWER_MARGIN),
PDFUtil.Alignment.BOTTOM_CENTER);
writer.closeContentStream();
}
private static float processY(int rotation, ImageAndResolution ires, BufferedImage visualImageSignature, PDPage pdPage, SignatureImageParameters signatureImageParameters) {
float y;
PDRectangle pageBox = pdPage.getMediaBox();
float height = getHeight(signatureImageParameters, visualImageSignature, ires, ImageRotationUtils.isSwapOfDimensionsRequired(rotation));
switch (rotation) {
case ImageRotationUtils.ANGLE_90:
y = processYAngle90(pageBox, signatureImageParameters, height);
break;
case ImageRotationUtils.ANGLE_180:
y = processYAngle180(pageBox, signatureImageParameters, height);
break;
case ImageRotationUtils.ANGLE_270:
y = processYAngle270(pageBox, signatureImageParameters, height);
break;
case ImageRotationUtils.ANGLE_360:
y = processYAngle360(pageBox, signatureImageParameters, height);
break;
default:
throw new IllegalStateException(ImageRotationUtils.SUPPORTED_ANGLES_ERROR_MESSAGE);
}
return y;
}
/**
* This will initialize and process the contents of the stream.
*
* @param page the page to process
* @throws java.io.IOException if there is an error accessing the stream.
*/
@Override
public void processPage(PDPage page) throws IOException
{
this.pageRotation = page.getRotation();
this.pageSize = page.getCropBox();
if (pageSize.getLowerLeftX() == 0 && pageSize.getLowerLeftY() == 0)
{
translateMatrix = null;
}
else
{
// translation matrix for cropbox
translateMatrix = Matrix.getTranslateInstance(-pageSize.getLowerLeftX(), -pageSize.getLowerLeftY());
}
super.processPage(page);
}
/**
* <a href="https://stackoverflow.com/questions/45812696/pdfbox-delete-comment-maintain-strikethrough">
* PDFBox delete comment maintain strikethrough
* </a>
* <br/>
* <a href="https://expirebox.com/files/3d955e6df4ca5874c38dbf92fc43b5af.pdf">
* only_fields.pdf
* </a>
* <a href="https://file.io/DTvqhC">
* (alternative download)
* </a>
* <p>
* The OP only wanted the comment removed, not the strike-through. Thus, we must
* not remove the annotation but merely the comment building attributes.
* </p>
*/
@Test
public void testRemoveLikeStephanImproved() throws IOException {
final COSName POPUP = COSName.getPDFName("Popup");
try (InputStream resource = getClass().getResourceAsStream("only_fields.pdf")) {
PDDocument document = Loader.loadPDF(resource);
List<PDAnnotation> annotations = new ArrayList<>();
PDPageTree allPages = document.getDocumentCatalog().getPages();
List<COSObjectable> objectsToRemove = new ArrayList<>();
for (int i = 0; i < allPages.getCount(); i++) {
PDPage page = allPages.get(i);
annotations = page.getAnnotations();
for (PDAnnotation annotation : annotations) {
if ("StrikeOut".equals(annotation.getSubtype()))
{
COSDictionary annotationDict = annotation.getCOSObject();
COSBase popup = annotationDict.getItem(POPUP);
annotationDict.removeItem(POPUP);
annotationDict.removeItem(COSName.CONTENTS); // plain text comment
annotationDict.removeItem(COSName.RC); // rich text comment
annotationDict.removeItem(COSName.T); // author
if (popup != null)
objectsToRemove.add(popup);
}
}
annotations.removeAll(objectsToRemove);
}
document.save(new File(RESULT_FOLDER, "only_fields-removeImproved.pdf"));
}
}
/**
* Interface to start processing a new page.
*
* @param page The page that is about to get processed.
*
* @throws IOException If there is an error creating the new document.
*/
protected void processPage(PDPage page) throws IOException
{
createNewDocumentIfNecessary();
PDPage imported = getDestinationDocument().importPage(page);
imported.setResources(page.getResources());
// remove page links to avoid copying not needed resources
processAnnotations(imported);
}
/**
* Transform the quad points in order to match the page rotation
* @param quadPoints the quad points.
* @param page the page.
* @return the transformed quad points.
*/
public static float[] transformToPageRotation(
final float[] quadPoints, final PDPage page) {
AffineTransform transform = transformToPageRotation(page);
if (transform == null) {
return quadPoints;
}
float[] rotatedPoints = new float[quadPoints.length];
transform.transform(quadPoints, 0, rotatedPoints, 0, 4);
return rotatedPoints;
}
@Override
protected void internalCreatePreview() throws Exception {
PDDocument sourceDocument = PDDocument.load(getSource());
String tempFilename = DateTime.now().getMillis() + ".pdf";
try {
List<?> allPages = sourceDocument.getDocumentCatalog().getAllPages();
PDDocument targetDocument = new PDDocument();
try {
if (isPageRangePercent()) {
extractPageRangePercent(allPages);
}
for (int i = 0; i < allPages.size(); i++) {
if (getPagesList().contains(i + 1)) {
PDPage page = (PDPage) allPages.get(i);
targetDocument.addPage(page);
}
}
targetDocument.save(tempFilename);
} finally {
targetDocument.close();
}
} finally {
sourceDocument.close();
}
try {
WatermarkWriter watermarkWriter = WatermarkWriterFactory.create(FilenameUtils.getExtension(tempFilename));
try {
watermarkWriter.writeWatermark(tempFilename, getTarget(), WatermarkFactory.create(getUser(), getProduct()), getLayout());
} catch (IOException e) {
throw new Exception("Unable to generate PDF", e);
}
} finally {
File file = FileUtils.getFile(tempFilename);
if (file.exists()) {
file.delete();
}
}
}
/**
* Places the given form over the existing content of the indicated page (like an overlay).
* The form is enveloped in a marked content section to indicate that it's part of an
* optional content group (OCG), here used as a layer. This optional group is returned and
* can be enabled and disabled through methods on {@link PDOptionalContentProperties}.
* <p>
* You may want to call {@link #wrapInSaveRestore(PDPage) wrapInSaveRestore(PDPage)} before calling this method to make
* sure that the graphics state is reset.
*
* @param targetPage the target page
* @param form the form to place
* @param transform the transformation matrix that controls the placement of your form. You'll
* need this if your page has a crop box different than the media box, or if these have negative
* coordinates, or if you want to scale or adjust your form.
* @param layerName the name for the layer/OCG to produce
* @return the optional content group that was generated for the form usage
* @throws IOException if an I/O error occurs
*/
public PDOptionalContentGroup appendFormAsLayer(PDPage targetPage,
PDFormXObject form, AffineTransform transform,
String layerName) throws IOException
{
PDDocumentCatalog catalog = targetDoc.getDocumentCatalog();
PDOptionalContentProperties ocprops = catalog.getOCProperties();
if (ocprops == null)
{
ocprops = new PDOptionalContentProperties();
catalog.setOCProperties(ocprops);
}
if (ocprops.hasGroup(layerName))
{
throw new IllegalArgumentException("Optional group (layer) already exists: " + layerName);
}
PDRectangle cropBox = targetPage.getCropBox();
if ((cropBox.getLowerLeftX() < 0 || cropBox.getLowerLeftY() < 0) && transform.isIdentity())
{
// PDFBOX-4044
LOG.warn("Negative cropBox " + cropBox +
" and identity transform may make your form invisible");
}
PDOptionalContentGroup layer = new PDOptionalContentGroup(layerName);
ocprops.addGroup(layer);
PDPageContentStream contentStream = new PDPageContentStream(
targetDoc, targetPage, AppendMode.APPEND, !DEBUG);
contentStream.beginMarkedContent(COSName.OC, layer);
contentStream.saveGraphicsState();
contentStream.transform(new Matrix(transform));
contentStream.drawForm(form);
contentStream.restoreGraphicsState();
contentStream.endMarkedContent();
contentStream.close();
return layer;
}
private void removeImagesAlphaChannelUnsafe() {
try {
PDPageTree allPages = document.getDocumentCatalog().getPages();
for (int i = 0; i < allPages.getCount(); i++) {
PDPage page = allPages.get(i);
processImagesFromResources(page.getResources());
}
} catch (Exception e) {
e.printStackTrace();
}
}
/**
* <a href="https://stackoverflow.com/questions/52829507/multiple-esign-using-pdfbox-2-0-12-java">
* Multiple esign using pdfbox 2.0.12 java?
* </a>
* <p>
* This test demonstrates how to create a single signature in multiple signature
* fields with one widget annotation each only referenced from a single page each
* only. (Actually there is an extra invisible signature; it is possible to get
* rid of it with some more code.)
* </p>
*/
@Test
public void testCreateSignatureWithMultipleVisualizations() throws IOException {
try ( InputStream resource = getClass().getResourceAsStream("/mkl/testarea/pdfbox2/analyze/test-rivu.pdf");
OutputStream result = new FileOutputStream(new File(RESULT_FOLDER, "testSignedMultipleVisualizations.pdf"));
PDDocument pdDocument = Loader.loadPDF(resource) )
{
PDAcroForm acroForm = pdDocument.getDocumentCatalog().getAcroForm();
if (acroForm == null) {
pdDocument.getDocumentCatalog().setAcroForm(acroForm = new PDAcroForm(pdDocument));
}
acroForm.setSignaturesExist(true);
acroForm.setAppendOnly(true);
acroForm.getCOSObject().setDirect(true);
PDRectangle rectangle = new PDRectangle(100, 600, 300, 100);
PDSignature signature = new PDSignature();
signature.setFilter(PDSignature.FILTER_ADOBE_PPKLITE);
signature.setSubFilter(PDSignature.SUBFILTER_ADBE_PKCS7_DETACHED);
signature.setName("Example User");
signature.setLocation("Los Angeles, CA");
signature.setReason("Testing");
signature.setSignDate(Calendar.getInstance());
pdDocument.addSignature(signature, this);
for (PDPage pdPage : pdDocument.getPages()) {
addSignatureField(pdDocument, pdPage, rectangle, signature);
}
pdDocument.saveIncremental(result);
}
}
/**
* <a href="https://stackoverflow.com/questions/46433388/pdfbox-could-not-find-font-helv">
* PDFbox Could not find font: /Helv
* </a>
* <br/>
* <a href="https://drive.google.com/file/d/0B2--NSDOiujoR3hOZFYteUl2UE0/view?usp=sharing">
* 4.pdf
* </a>
* <p>
* The cause is a combination of the OP and the source PDF not providing
* a default appearance for the text field and PDFBox providing defaults
* inconsequentially.
* </p>
* <p>
* This is fixed here by setting the default appearance explicitly.
* </p>
*/
@Test
public void testAddFieldLikeEugenePodoliako() throws IOException {
try ( InputStream originalStream = getClass().getResourceAsStream("4.pdf") )
{
PDDocument pdf = Loader.loadPDF(originalStream);
PDDocumentCatalog docCatalog = pdf.getDocumentCatalog();
PDAcroForm acroForm = docCatalog.getAcroForm();
PDPage page = pdf.getPage(0);
PDTextField textBox = new PDTextField(acroForm);
textBox.setPartialName("SampleField");
acroForm.getFields().add(textBox);
PDAnnotationWidget widget = textBox.getWidgets().get(0);
PDRectangle rect = new PDRectangle(0, 0, 0, 0);
widget.setRectangle(rect);
widget.setPage(page);
// Unnecessary code from OP
// widget.setAppearance(acroForm.getFields().get(0).getWidgets().get(0).getAppearance());
// Fix added to set default appearance accordingly
textBox.setDefaultAppearance(acroForm.getFields().get(0).getCOSObject().getString("DA"));
widget.setPrinted(false);
page.getAnnotations().add(widget);
acroForm.refreshAppearances();
acroForm.flatten();
pdf.save(new File(RESULT_FOLDER, "4-add-field.pdf"));
pdf.close();
}
}
private int writeFiles(List<PDDocument> docs) {
int index = 1;
try {
if (docs == null || docs.isEmpty()) {
return 0;
}
PDDocumentInformation info = new PDDocumentInformation();
info.setCreationDate(Calendar.getInstance());
info.setModificationDate(Calendar.getInstance());
info.setProducer("MyBox v" + CommonValues.AppVersion);
info.setAuthor(AppVariables.getUserConfigValue("AuthorKey", System.getProperty("user.name")));
String targetPrefix = FileTools.getFilePrefix(currentParameters.currentSourceFile.getName());
int total = docs.size();
for (PDDocument pd : docs) {
pd.setDocumentInformation(info);
pd.setVersion(1.0f);
PDPage page = pd.getPage(0);
PDPageXYZDestination dest = new PDPageXYZDestination();
dest.setPage(page);
dest.setZoom(1f);
dest.setTop((int) page.getCropBox().getHeight());
PDActionGoTo action = new PDActionGoTo();
action.setDestination(dest);
pd.getDocumentCatalog().setOpenAction(action);
String namePrefix = targetPrefix + "_" + StringTools.fillLeftZero(index++, (total + "").length());
File tFile = makeTargetFile(namePrefix, ".pdf", currentParameters.currentTargetPath);
pd.save(tFile);
pd.close();
targetFileGenerated(tFile);
}
} catch (Exception e) {
logger.error(e.toString());
}
return index - 1;
}
protected int extractPage() {
int index = 0;
try {
PDPage page = doc.getPage(currentParameters.currentPage - 1); // 0-based
PDResources pdResources = page.getResources();
Iterable<COSName> iterable = pdResources.getXObjectNames();
if (iterable != null) {
Iterator<COSName> pageIterator = iterable.iterator();
while (pageIterator.hasNext()) {
if (task.isCancelled()) {
break;
}
COSName cosName = pageIterator.next();
if (!pdResources.isImageXObject(cosName)) {
continue;
}
PDImageXObject pdxObject = (PDImageXObject) pdResources.getXObject(cosName);
BufferedImage bufferedImage = pdxObject.getImage();
if (handleImage(bufferedImage)) {
lastImage = bufferedImage;
if (isPreview) {
break;
}
index++;
}
}
}
} catch (Exception e) {
logger.error(e.toString());
}
return index;
}