From cce6fc95852a1c2d8dae1b00704be7e0d5389b38 Mon Sep 17 00:00:00 2001 From: pdanner Date: Tue, 15 Feb 2011 12:24:24 +0000 Subject: added verify link overlay position switched postion (logo <> sigblock) git-svn-id: https://joinup.ec.europa.eu/svn/pdf-as/trunk@756 7b5415b0-85f9-ee4d-85bd-d5d0c3b42d1c --- .../wag/egov/egiz/pdf/BinarySignature.java | 15 ++- .../wag/egov/egiz/pdf/StructContentHelper.java | 126 +++++++++++++++++---- 2 files changed, 111 insertions(+), 30 deletions(-) (limited to 'src') diff --git a/src/main/java/at/knowcenter/wag/egov/egiz/pdf/BinarySignature.java b/src/main/java/at/knowcenter/wag/egov/egiz/pdf/BinarySignature.java index 0465c5d..bc399f0 100644 --- a/src/main/java/at/knowcenter/wag/egov/egiz/pdf/BinarySignature.java +++ b/src/main/java/at/knowcenter/wag/egov/egiz/pdf/BinarySignature.java @@ -853,7 +853,7 @@ public abstract class BinarySignature // exthex StructContentHelper structHelper = new StructContentHelper(stamper, content, pi.getPage()); - structHelper.buildMainStructData(table_template); + structHelper.prepareStructData(table_template); pdf_table.writeSelectedRows(0, -1, 0, pdf_table.getTotalHeight(), table_template); @@ -873,10 +873,7 @@ public abstract class BinarySignature content.addTemplate(table_template, pi.getX(), pi.getY() - pdf_table.getTotalHeight()); - structHelper.endSigBlockContent(); - - structHelper.buildFigureStructData(so, table_template); - structHelper.buildVerifyLinkStructData(table_template); + structHelper.endSigBlockContent(); ActualTablePos atp = new ActualTablePos(); @@ -886,7 +883,13 @@ public abstract class BinarySignature atp.width = pdf_table.getTotalWidth(); atp.height = pdf_table.getTotalHeight(); iui.actualTablePos = atp; - + + structHelper.buildFigureStructData(so, table_template); + structHelper.buildSigBlockStructData(); + structHelper.finishMainStructData(); + + structHelper.buildVerifyLinkStructData(table_template, atp); + // For debugging print a 100x100 grid // { // Rectangle psize = reader.getPageSizeWithRotation(pos.page); diff --git a/src/main/java/at/knowcenter/wag/egov/egiz/pdf/StructContentHelper.java b/src/main/java/at/knowcenter/wag/egov/egiz/pdf/StructContentHelper.java index e6ad646..220f9b7 100644 --- a/src/main/java/at/knowcenter/wag/egov/egiz/pdf/StructContentHelper.java +++ b/src/main/java/at/knowcenter/wag/egov/egiz/pdf/StructContentHelper.java @@ -8,6 +8,7 @@ import at.gv.egiz.pdfas.exceptions.ErrorCode; import at.knowcenter.wag.egov.egiz.exceptions.PresentableException; import at.knowcenter.wag.egov.egiz.sig.SignatureObject; +import com.lowagie.text.Rectangle; import com.lowagie.text.pdf.PdfArray; import com.lowagie.text.pdf.PdfContentByte; import com.lowagie.text.pdf.PdfDictionary; @@ -65,6 +66,16 @@ public class StructContentHelper implements StructContentWriter { private PdfDictionary page; private PdfNumber parentTreeNextKey = null; private PdfNumber annotationParentTreeKey = null; + + /** + * Temporary save a pos + */ + private Rectangle tempMarkedPos = null; + /** + * Position of the signature verify link overlay + */ + private Rectangle verifyLinkPos = null; + /** * Kids array (K) of the StructTreeRoot */ @@ -99,11 +110,11 @@ public class StructContentHelper implements StructContentWriter { } /** - * Create and write structured content for signature block. This method initialized the whole StructTreeRoot stuff. + * Prepare structured content for signature block. This method initializes the whole StructTreeRoot stuff. * @param sigBlockObj * @throws PresentableException */ - void buildMainStructData(PdfTemplate sigBlockObj) throws PresentableException { + void prepareStructData(PdfTemplate sigBlockObj) throws PresentableException { try { checkTagging(); @@ -128,20 +139,49 @@ public class StructContentHelper implements StructContentWriter { this.structTreeRootKids = obtainStructTreeRootKids(structTreeRoot); - PdfIndirectReference newStructRef = createStructElem(SIGBLOCK_STRUCT_TYPE, new PdfNumber(sigBlockMcid), structTreeRoot.getIndRef()); - - // ADD everything at the end because nothing can be written afterwards + } catch (Exception ex) { + logger.error("error", ex); + throw new PresentableException(ErrorCode.CANNOT_WRITE_PDF, + "error writing structured signature content", ex); + } + } + + /** + * Create struct data for main signature block + * @throws PresentableException + */ + void buildSigBlockStructData() throws PresentableException { + if (!isTagged) return; + try { + PdfIndirectReference newStructRef = createStructElem(SIGBLOCK_STRUCT_TYPE, new PdfNumber( + sigBlockMcid), getStructTreeRoot().getIndRef()); + + // ADD everything at the end because nothing can be written afterwards structTreeRootKids.add(newStructRef); - mainParentTreeNumEntry.add(newStructRef); + mainParentTreeNumEntry.add(newStructRef); stamperImp.markUsed(mainParentTreeNumEntry); -// if (structParentsNr == null) { -// parentTreeNums.add(stamper.getWriter().addToBody(mainParentTreeNumEntry).getIndirectReference()); -// stamperImp.markUsed(parentTreeNums); -// stamperImp.markUsed(structTreeRoot.getAsDict(PdfName.PARENTTREE)); -// } + } catch (Exception ex) { + logger.error("error", ex); + throw new PresentableException(ErrorCode.CANNOT_WRITE_PDF, + "error writing structured signature content", ex); + } + } + + /** + * Finish struct data for signblock and it's elements (NOT for the external link and annot!) + * @throws PresentableException + */ + void finishMainStructData() throws PresentableException { + try { + if (isTagged && mainParentTreeNumEntry.getIndRef() == null) { + getParentTreeNums().add( + stamper.getWriter().addToBody(mainParentTreeNumEntry).getIndirectReference()); + stamperImp.markUsed(getParentTreeNums()); + stamperImp.markUsed(getStructTreeRoot().getAsDict(PdfName.PARENTTREE)); + } } catch (Exception ex) { logger.error("error", ex); throw new PresentableException(ErrorCode.CANNOT_WRITE_PDF, @@ -174,11 +214,7 @@ public class StructContentHelper implements StructContentWriter { stamperImp.markUsed(mainParentTreeNumEntry); } - if (isTagged && mainParentTreeNumEntry.getIndRef() == null) { - getParentTreeNums().add(stamper.getWriter().addToBody(mainParentTreeNumEntry).getIndirectReference()); - stamperImp.markUsed(getParentTreeNums()); - stamperImp.markUsed(getStructTreeRoot().getAsDict(PdfName.PARENTTREE)); - } + } catch (Exception ex) { logger.error("error", ex); throw new PresentableException(ErrorCode.CANNOT_WRITE_PDF, @@ -191,16 +227,18 @@ public class StructContentHelper implements StructContentWriter { * Build the link annotation for the signature verification link and the structured content accordingly.
* The tagging does NOT work if the link is placed in a binary signature replace cell (phlengh for this cell)!! * @param sigBlockObj + * @param atp * @throws PresentableException */ - void buildVerifyLinkStructData(PdfTemplate sigBlockObj) throws PresentableException { + void buildVerifyLinkStructData(PdfTemplate sigBlockObj, ActualTablePos atp) throws PresentableException { if (!this.isTagged || !this.isLinkMarked()) return; try { PdfNumber parentTreeKey = getNewParentTreeKey(); PdfArray annots = obrainAnnotsFromPage(); - PdfIndirectReference linkAnnotRef = createLinkAnnot(parentTreeKey); + + PdfIndirectReference linkAnnotRef = createLinkAnnot(parentTreeKey, atp); annots.add(linkAnnotRef); PdfIndirectReference objr = createObjrStructElem(linkAnnotRef); @@ -357,8 +395,21 @@ public class StructContentHelper implements StructContentWriter { localContent.endMarkedContentSequence(); } } - + /** + * Implements {@link StructContentWriter#markPos(Rectangle)} + */ + public void markPos(Rectangle pos) { + this.tempMarkedPos = pos; + } + + /** + * Implements {@link StructContentWriter#storeCurrentPosAsLink()} + */ + public void storeCurrentPosAsLink() { + this.verifyLinkPos = new Rectangle(this.tempMarkedPos); + } + /** * set explicit annotation tab order if missing */ @@ -379,17 +430,27 @@ public class StructContentHelper implements StructContentWriter { } logger.debug("Input is tagged. Writing structure/WAI data."); } + + - private PdfIndirectReference createLinkAnnot(PdfNumber structParentNr) throws IOException { - PdfDictionary linkAnnot = new PdfDictionary(); - PdfDictionary a = new PdfDictionary(); + private PdfIndirectReference createLinkAnnot(PdfNumber structParentNr, ActualTablePos atp) throws IOException { + PdfDictionary linkAnnot = new PdfDictionary(); + + PdfDictionary a = new PdfDictionary(); a.put(PdfName.S, new PdfName("URI")); a.put(PdfName.TYPE, PdfName.ACTION); a.put(PdfName.URI, new PdfString(this.linkUrlString)); linkAnnot.put(PdfName.A, a); + PdfDictionary bs = new PdfDictionary(); + bs.put(PdfName.W, new PdfNumber(0)); + linkAnnot.put(PdfName.BS, bs); + linkAnnot.put(PdfName.F, new PdfNumber(4)); + // iText "converts" 0.0f to an integer, therefore we cannot use 0, not nice... - linkAnnot.put(PdfName.RECT, new PdfArray(new float[] {0.01f, 0.01f, 0.01f, 0.01f})); + //linkAnnot.put(PdfName.RECT, new PdfArray(new float[] {0.01f, 0.01f, 0.01f, 0.01f})); + // take cell pos as link pos + linkAnnot.put(PdfName.RECT, new PdfArray(createAbsPos(atp, this.verifyLinkPos))); linkAnnot.put(PdfName.STRUCTPARENT, structParentNr); linkAnnot.put(PdfName.SUBTYPE, PdfName.LINK); @@ -397,6 +458,21 @@ public class StructContentHelper implements StructContentWriter { return stamper.getWriter().addToBody(linkAnnot).getIndirectReference(); } + + private static PdfArray createAbsPos(ActualTablePos atp, Rectangle pos) { + PdfArray res = new PdfArray(); + float y = atp.y - atp.height + pos.getTop(); + res.add(new PdfNumber(atp.x + pos.getLeft())); + res.add(new PdfNumber(y)); + res.add(new PdfNumber(atp.x + pos.getLeft() + pos.getWidth())); + res.add(new PdfNumber(y - pos.getHeight())); + return res; + } + + protected static PdfArray createPdfArrayFromTablePos(ActualTablePos pos) { + return new PdfArray( new float[] {pos.x, pos.y, pos.x + pos.width, pos.y - pos.height}); + } + private PdfArray obrainAnnotsFromPage() throws IOException { PdfArray annots = this.page.getAsArray(PdfName.ANNOTS); if (annots == null) { @@ -567,6 +643,8 @@ public class StructContentHelper implements StructContentWriter { private static String getAltText(String sigProfile) { return AdobeSignatureHelper.getDefaultableConfigProperty(sigProfile, ALT_TEXT_CONF_KEY, ALT_TEXT_DEFAULT); - } + } + + } -- cgit v1.2.3