merge PDFUA

5 files changed, 178 insertions, 58 deletions

diff --git a/pdf-as-pdfbox/src/main/java/at/gv/egiz/pdfas/lib/impl/signing/pdfbox/PADESPDFBOXSigner.java b/pdf-as-pdfbox/src/main/java/at/gv/egiz/pdfas/lib/impl/signing/pdfbox/PADESPDFBOXSigner.java
index d1337ce2..8095911d 100644
--- a/pdf-as-pdfbox/src/main/java/at/gv/egiz/pdfas/lib/impl/signing/pdfbox/PADESPDFBOXSigner.java
+++ b/pdf-as-pdfbox/src/main/java/at/gv/egiz/pdfas/lib/impl/signing/pdfbox/PADESPDFBOXSigner.java
@@ -39,8 +39,10 @@ import java.util.Calendar;
 import java.util.List;
 
 import org.apache.commons.io.IOUtils;
+import org.apache.pdfbox.cos.COSArray;
 import org.apache.pdfbox.cos.COSBase;
 import org.apache.pdfbox.cos.COSDictionary;
+import org.apache.pdfbox.cos.COSInteger;
 import org.apache.pdfbox.cos.COSName;
 import org.apache.pdfbox.cos.COSString;
 import org.apache.pdfbox.exceptions.COSVisitorException;
@@ -50,8 +52,13 @@ import org.apache.pdfbox.pdmodel.PDDocumentCatalog;
 import org.apache.pdfbox.pdmodel.PDPage;
 import org.apache.pdfbox.pdmodel.PDPageNode;
 import org.apache.pdfbox.pdmodel.PDResources;
+import org.apache.pdfbox.pdmodel.common.PDNumberTreeNode;
+import org.apache.pdfbox.pdmodel.documentinterchange.logicalstructure.PDAttributeObject;
+import org.apache.pdfbox.pdmodel.documentinterchange.logicalstructure.PDStructureElement;
+import org.apache.pdfbox.pdmodel.documentinterchange.logicalstructure.PDStructureTreeRoot;
 import org.apache.pdfbox.pdmodel.graphics.color.PDOutputIntent;
 import org.apache.pdfbox.pdmodel.graphics.xobject.PDJpeg;
+import org.apache.pdfbox.pdmodel.interactive.annotation.PDAnnotationWidget;
 import org.apache.pdfbox.pdmodel.interactive.digitalsignature.PDSignature;
 import org.apache.pdfbox.pdmodel.interactive.digitalsignature.SignatureOptions;
 import org.apache.pdfbox.pdmodel.interactive.form.PDAcroForm;
@@ -105,6 +112,8 @@ public class PADESPDFBOXSigner implements IPdfSigner, IConfigurationConstants {
 			PDFASSignatureInterface genericSigner) throws PdfAsException {
 		String fisTmpFile = null;
 
+		PDFAsVisualSignatureProperties properties=null;
+
 		if (!(genericPdfObject instanceof PDFBOXObject)) {
 			// tODO:
 			throw new PdfAsException();
@@ -152,8 +161,8 @@ public class PADESPDFBOXSigner implements IPdfSigner, IConfigurationConstants {
 						logger.debug("Placeholder Profile set to: "
 								+ signaturePlaceholderData.getProfile());
 						requestedSignature
-								.setSignatureProfileID(signaturePlaceholderData
-										.getProfile());
+						.setSignatureProfileID(signaturePlaceholderData
+								.getProfile());
 					}
 
 					tablePos = signaturePlaceholderData.getTablePos();
@@ -165,7 +174,7 @@ public class PADESPDFBOXSigner implements IPdfSigner, IConfigurationConstants {
 
 				PDSignature signature = new PDSignature();
 				signature.setFilter(COSName.getPDFName(signer.getPDFFilter())); // default
-																				// filter
+				// filter
 				signature.setSubFilter(COSName.getPDFName(signer
 						.getPDFSubFilter()));
 
@@ -313,7 +322,7 @@ public class PADESPDFBOXSigner implements IPdfSigner, IConfigurationConstants {
 
 					requestedSignature.setSignaturePosition(position);
 
-					PDFAsVisualSignatureProperties properties = new PDFAsVisualSignatureProperties(
+					properties = new PDFAsVisualSignatureProperties(
 							pdfObject.getStatus().getSettings(), pdfObject,
 							(PdfBoxVisualObject) visualObject,
 							positioningInstruction, signatureProfileSettings);
@@ -348,7 +357,7 @@ public class PADESPDFBOXSigner implements IPdfSigner, IConfigurationConstants {
 
 							logger.info("Placeholder name: "
 									+ signaturePlaceholderData
-											.getPlaceholderName());
+									.getPlaceholderName());
 							COSDictionary xobjectsDictionary = (COSDictionary) page
 									.findResources().getCOSDictionary()
 									.getDictionaryObject(COSName.XOBJECT);
@@ -356,10 +365,10 @@ public class PADESPDFBOXSigner implements IPdfSigner, IConfigurationConstants {
 									.getPlaceholderName(), img);
 							xobjectsDictionary.setNeedToBeUpdate(true);
 							page.findResources().getCOSObject()
-									.setNeedToBeUpdate(true);
+							.setNeedToBeUpdate(true);
 							logger.info("Placeholder name: "
 									+ signaturePlaceholderData
-											.getPlaceholderName());
+									.getPlaceholderName());
 						} finally {
 							IOUtils.closeQuietly(is);
 						}
@@ -397,23 +406,7 @@ public class PADESPDFBOXSigner implements IPdfSigner, IConfigurationConstants {
 						}
 					}
 
-					// if (signatureProfileSettings.isPDFA()) { // Check for
-					// PDF-UA
-					// PDDocumentCatalog root = doc.getDocumentCatalog();
-					// PDStructureTreeRoot treeRoot =
-					// root.getStructureTreeRoot();
-					// if (treeRoot != null) { // Handle as PDF-UA
-					// logger.info("Tree Root: {}", treeRoot.toString());
-					// PDStructureElement docElement = PDFBoxTaggingUtils
-					// .getDocumentElement(treeRoot);
-					// PDStructureElement sigBlock = new PDStructureElement(
-					// "Table", docElement);
-					// root.getCOSObject().setNeedToBeUpdate(true);
-					// docElement.getCOSObject().setNeedToBeUpdate(true);
-					// treeRoot.getCOSObject().setNeedToBeUpdate(true);
-					// sigBlock.setTitle("Signature Table");
-					// }
-					// }
+
 
 					options.setPage(positioningInstruction.getPage());
 					options.setVisualSignature(properties.getVisibleSignature());
@@ -433,25 +426,35 @@ public class PADESPDFBOXSigner implements IPdfSigner, IConfigurationConstants {
 				sigFieldName = sigFieldName + count;
 
 				PDAcroForm acroFormm = doc.getDocumentCatalog().getAcroForm();
+
+				//				PDStructureTreeRoot pdstRoot = doc.getDocumentCatalog().getStructureTreeRoot();
+				//				COSDictionary dic = doc.getDocumentCatalog().getCOSDictionary();
+				//				PDStructureElement el = new PDStructureElement("Widget", pdstRoot);
+
+
+
+				PDSignatureField signatureField = null;
 				if (acroFormm != null) {
 					@SuppressWarnings("unchecked")
 					List<PDField> fields = acroFormm.getFields();
-					PDSignatureField signatureField = null;
+
 
 					if (fields != null) {
 						for (PDField pdField : fields) {
 							if (pdField != null) {
 								if (pdField instanceof PDSignatureField) {
 									PDSignatureField tmpSigField = (PDSignatureField) pdField;
+
 									if (tmpSigField.getSignature() != null
 											&& tmpSigField.getSignature()
-													.getDictionary() != null) {
+											.getDictionary() != null) {
 										if (tmpSigField
 												.getSignature()
 												.getDictionary()
 												.equals(signature
 														.getDictionary())) {
 											signatureField = (PDSignatureField) pdField;
+
 										}
 									}
 								}
@@ -462,12 +465,111 @@ public class PADESPDFBOXSigner implements IPdfSigner, IConfigurationConstants {
 					}
 
 					if (signatureField != null) {
-						signatureField.setPartialName(sigFieldName);
+						signatureField.setPartialName(sigFieldName);	
+					}
+					if(properties!=null){
+						signatureField.setAlternateFieldName(properties.getAlternativeTableCaption());
+					}else{
+						signatureField.setAlternateFieldName(sigFieldName);
 					}
 				} else {
 					logger.warn("Failed to name Signature Field! [Cannot find acroForm!]");
 				}
 
+				// PDF-UA
+				logger.info("Adding pdf/ua content.");
+				try{
+					PDDocumentCatalog root = doc.getDocumentCatalog();
+					PDStructureTreeRoot treeRoot = root.getStructureTreeRoot();
+
+					logger.info("Tree Root: {}", treeRoot.toString());
+					List<Object> kids = treeRoot.getKids();
+
+					if(kids==null){
+						logger.info("No kid-elements in structure tree Root, maybe not PDF/UA document");
+					}
+
+					PDStructureElement docElement = null;
+					for(Object k: kids){
+						if(k instanceof PDStructureElement){
+							docElement=(PDStructureElement) k;
+							break;
+							//	if(((PDStructureElement) k).getStructureType().equals("Document")){
+							//		docElement=(PDStructureElement) k;
+							//	}
+						}
+					}
+
+					PDStructureElement sigBlock = new PDStructureElement(
+							"Form", docElement);
+
+					//create object dictionary and add as child element
+					COSDictionary objectdic= new COSDictionary();
+					objectdic.setName("Type", "OBJR");
+					objectdic.setItem("Pg", signatureField.getWidget().getPage());
+					objectdic.setItem("Obj", signatureField.getWidget());
+
+					List<Object> l = new ArrayList<Object>();
+					l.add(objectdic);
+					sigBlock.setKids(l);
+
+					sigBlock.setTitle("Signature Table");
+					sigBlock.setParent(docElement);
+					docElement.appendKid(sigBlock);
+
+					//Create and add Attribute dictionary to mitigate PAC warning
+					COSDictionary sigBlockDic = (COSDictionary) sigBlock.getCOSObject();
+					COSDictionary sub = new COSDictionary();
+
+					sub.setName("O", "Layout");
+					sub.setName("Placement", "Block");
+					sigBlockDic.setItem(COSName.A, sub);
+					sigBlockDic.setNeedToBeUpdate(true);
+
+
+					//Modify number tree
+					PDNumberTreeNode ntn = treeRoot.getParentTree();
+					if(ntn==null){
+						ntn = new PDNumberTreeNode(objectdic, null);
+						logger.info("No number-tree-node found!");
+					}
+
+					COSDictionary ntndic=ntn.getCOSDictionary();
+					COSArray ntndicnumbersarray = (COSArray)ntndic.getDictionaryObject(COSName.NUMS);
+					int arrindex = ntndicnumbersarray.size();
+					int treeindex = arrindex/2;
+
+					ntndicnumbersarray.add(arrindex, COSInteger.get(treeindex));
+					ntndicnumbersarray.add(arrindex+1, sigBlock.getCOSObject());
+
+					treeRoot.setParentTree(ntn);
+					treeRoot.setParentTreeNextKey(treeindex+1);
+
+					//setStructureParent
+					PDAnnotationWidget widg=signatureField.getWidget();
+					widg.setStructParent(treeindex);
+
+					//add the Tabs /S Element for Tabbing through annots
+					PDPage p = signatureField.getWidget().getPage();
+					p.getCOSDictionary().setName("Tabs", "S");
+					p.getCOSObject().setNeedToBeUpdate(true);
+
+					ntndic.setNeedToBeUpdate(true);
+					sigBlock.getCOSObject().setNeedToBeUpdate(true);
+					treeRoot.getCOSObject().setNeedToBeUpdate(true);
+					objectdic.getCOSObject().setNeedToBeUpdate(true);
+					docElement.getCOSObject().setNeedToBeUpdate(true);
+
+
+				}catch(Throwable e){
+					if (signatureProfileSettings.isPDFUA()==true){
+						logger.error("Could not create PDF-UA conform document!");
+						throw new PdfAsException("error.pdf.sig.pdfua.1", e);
+					}else{
+						logger.info("Could not create PDF-UA conform signature");
+					}
+				}
+
 				if (requestedSignature.isVisual()) {
 
 					// if(requestedSignature.getSignaturePosition().)
@@ -559,7 +661,7 @@ public class PADESPDFBOXSigner implements IPdfSigner, IConfigurationConstants {
 					// Ignore
 				}
 			}
-			
+
 			if(fisTmpFile != null) {
 				helper.deleteFile(fisTmpFile);
 			}
@@ -609,7 +711,7 @@ public class PADESPDFBOXSigner implements IPdfSigner, IConfigurationConstants {
 	public Image generateVisibleSignaturePreview(SignParameter parameter,
 			java.security.cert.X509Certificate cert, int resolution,
 			OperationStatus status, RequestedSignature requestedSignature)
-			throws PDFASError {
+					throws PDFASError {
 		try {
 			PDFBOXObject pdfObject = (PDFBOXObject) status.getPdfObject();
 
@@ -693,11 +795,11 @@ public class PADESPDFBOXSigner implements IPdfSigner, IConfigurationConstants {
 
 			graphics.drawImage(outputImage, 0, 0, cutOut.getWidth(), cutOut
 					.getHeight(), (int) (1 * factor), (int) (outputImage
-					.getHeight() - ((position.getHeight() + 1) * factor)),
-					(int) ((1 + position.getWidth()) * factor),
-					(int) (outputImage.getHeight()
-							- ((position.getHeight() + 1) * factor) + (position
-							.getHeight() * factor)), null);
+							.getHeight() - ((position.getHeight() + 1) * factor)),
+							(int) ((1 + position.getWidth()) * factor),
+							(int) (outputImage.getHeight()
+									- ((position.getHeight() + 1) * factor) + (position
+											.getHeight() * factor)), null);
 			return cutOut;
 		} catch (PdfAsException e) {
 			logger.warn("PDF-AS  Exception", e);
diff --git a/pdf-as-pdfbox/src/main/java/at/gv/egiz/pdfas/lib/impl/stamping/pdfbox/PDFAsVisualSignatureBuilder.java b/pdf-as-pdfbox/src/main/java/at/gv/egiz/pdfas/lib/impl/stamping/pdfbox/PDFAsVisualSignatureBuilder.java
index 882830bc..33e4102d 100644
--- a/pdf-as-pdfbox/src/main/java/at/gv/egiz/pdfas/lib/impl/stamping/pdfbox/PDFAsVisualSignatureBuilder.java
+++ b/pdf-as-pdfbox/src/main/java/at/gv/egiz/pdfas/lib/impl/stamping/pdfbox/PDFAsVisualSignatureBuilder.java
@@ -262,7 +262,7 @@ public class PDFAsVisualSignatureBuilder extends PDVisibleSigBuilder implements
 			TableDrawUtils.drawTable(getStructure().getPage(), stream, 1, 1,
 					designer.getWidth(), designer.getHeight(),
 					properties.getMainTable(), template, false,
-					innerFormResources, images, settings, this);
+					innerFormResources, images, settings, this, properties);
 			stream.close();
 			PDStream innterFormStream = getStructure().getPage().getContents();
 			getStructure().setInnterFormStream(innterFormStream);
diff --git a/pdf-as-pdfbox/src/main/java/at/gv/egiz/pdfas/lib/impl/stamping/pdfbox/PDFAsVisualSignatureProperties.java b/pdf-as-pdfbox/src/main/java/at/gv/egiz/pdfas/lib/impl/stamping/pdfbox/PDFAsVisualSignatureProperties.java
index d7ef6fae..3fdc6b4c 100644
--- a/pdf-as-pdfbox/src/main/java/at/gv/egiz/pdfas/lib/impl/stamping/pdfbox/PDFAsVisualSignatureProperties.java
+++ b/pdf-as-pdfbox/src/main/java/at/gv/egiz/pdfas/lib/impl/stamping/pdfbox/PDFAsVisualSignatureProperties.java
@@ -54,6 +54,8 @@ public class PDFAsVisualSignatureProperties extends PDVisibleSigProperties {
 	
 	private SignatureProfileSettings signatureProfileSettings;
 
+	private String alternativeTableCaption="";
+
 	public PDFAsVisualSignatureProperties(ISettings settings, PDFBOXObject object, 
 			PdfBoxVisualObject visObj, PositioningInstruction pos, SignatureProfileSettings signatureProfileSettings) {
 		this.settings = settings;
@@ -134,5 +136,12 @@ public class PDFAsVisualSignatureProperties extends PDVisibleSigProperties {
 		return signatureProfileSettings;
 	}
 	
+	public String getAlternativeTableCaption() {
+		return alternativeTableCaption;
+	}
+
+	public void setAlternativeTableCaption(String alternativeTableCaption) {
+		this.alternativeTableCaption = alternativeTableCaption;
+	}
 	
 }
diff --git a/pdf-as-pdfbox/src/main/java/at/gv/egiz/pdfas/lib/impl/stamping/pdfbox/TableDrawUtils.java b/pdf-as-pdfbox/src/main/java/at/gv/egiz/pdfas/lib/impl/stamping/pdfbox/TableDrawUtils.java
index dff8e543..9b0f5ae1 100644
--- a/pdf-as-pdfbox/src/main/java/at/gv/egiz/pdfas/lib/impl/stamping/pdfbox/TableDrawUtils.java
+++ b/pdf-as-pdfbox/src/main/java/at/gv/egiz/pdfas/lib/impl/stamping/pdfbox/TableDrawUtils.java
@@ -24,6 +24,7 @@
 package at.gv.egiz.pdfas.lib.impl.stamping.pdfbox;
 
 import java.awt.Color;
+import java.beans.DesignMode;
 import java.io.IOException;
 import java.util.ArrayList;
 import java.util.Iterator;
@@ -40,6 +41,7 @@ import org.slf4j.LoggerFactory;
 
 import at.gv.egiz.pdfas.common.exceptions.PdfAsException;
 import at.gv.egiz.pdfas.common.settings.ISettings;
+import at.gv.egiz.pdfas.lib.impl.signing.pdfbox.PADESPDFBOXSigner;
 import at.knowcenter.wag.egov.egiz.table.Entry;
 import at.knowcenter.wag.egov.egiz.table.Style;
 
@@ -49,14 +51,18 @@ public class TableDrawUtils {
 			.getLogger(TableDrawUtils.class);
 
 	public static final String TABLE_DEBUG = "debug.table";
-
+	
+	private static StringBuilder alternateTableCaption;
+	
 	public static void drawTable(PDPage page,
 			PDPageContentStream contentStream, float x, float y, float width,
 			float height, PDFBoxTable abstractTable, PDDocument doc,
 			boolean subtable, PDResources formResources,
-			Map<String, ImageObject> images, ISettings settings, IDGenerator generator)
+			Map<String, ImageObject> images, ISettings settings, IDGenerator generator, PDFAsVisualSignatureProperties properties)
 			throws PdfAsException {
 
+		alternateTableCaption = new StringBuilder();
+		
 		logger.debug("Drawing Table: X {} Y {} WIDTH {} HEIGHT {} \n{}", x, y,
 				width, height, abstractTable.getOrigTable().toString());
 
@@ -67,16 +73,16 @@ public class TableDrawUtils {
 
 		drawBorder(page, contentStream, x, y, width, height, abstractTable,
 				doc, subtable, settings);
-
+//append strings
 		drawContent(page, contentStream, x, y, width, height, abstractTable,
-				doc, subtable, formResources, images, settings, generator);
+				doc, subtable, formResources, images, settings, generator, properties);
 	}
 
 	public static void drawContent(PDPage page,
 			PDPageContentStream contentStream, float x, float y, float width,
 			float height, PDFBoxTable abstractTable, PDDocument doc,
 			boolean subtable, PDResources formResources,
-			Map<String, ImageObject> images, ISettings settings, IDGenerator generator)
+			Map<String, ImageObject> images, ISettings settings, IDGenerator generator, PDFAsVisualSignatureProperties properties)
 			throws PdfAsException {
 
 		float contentx = x;
@@ -114,11 +120,13 @@ public class TableDrawUtils {
 					drawCaption(page, contentStream, contentx, contenty,
 							colWidth, abstractTable.getRowHeights()[i],
 							padding, abstractTable, doc, cell, formResources, settings);
+					addToAlternateTableCaption(cell);
 					break;
 				case Entry.TYPE_VALUE:
 					drawValue(page, contentStream, contentx, contenty,
 							colWidth, abstractTable.getRowHeights()[i],
 							padding, abstractTable, doc, cell, formResources, settings);
+					addToAlternateTableCaption(cell);
 					break;
 				case Entry.TYPE_IMAGE:
 					drawImage(page, contentStream, contentx, contenty,
@@ -137,7 +145,7 @@ public class TableDrawUtils {
 					drawTable(page, contentStream, contentx, contenty
 							- abstractTable.getRowHeights()[i], colWidth,
 							abstractTable.getRowHeights()[i], tbl_value, doc,
-							true, formResources, images, settings, generator);
+							true, formResources, images, settings, generator,properties);
 					break;
 				default:
 					logger.warn("Unknown Cell entry type: " + cell.getType());
@@ -155,6 +163,7 @@ public class TableDrawUtils {
 			contenty -= abstractTable.getRowHeights()[i];
 			contentx = x;
 		}
+		properties.setAlternativeTableCaption(alternateTableCaption.toString());
 	}
 
 	private static void drawString(PDPage page,
@@ -280,7 +289,7 @@ public class TableDrawUtils {
 			Style cellStyle = cell.getStyle();
 			String valign = cellStyle.getVAlign();
 			String halign = cellStyle.getHAlign();
-
+			
 			drawString(page, contentStream, contentx, contenty, width, height,
 					padding, abstractTable, doc, cell, fontSize, textHeight,
 					valign, halign, tlines, textFont, formResources, settings);
@@ -592,5 +601,11 @@ public class TableDrawUtils {
 		}
 		return "";
 	}
+	
+	private static void addToAlternateTableCaption(Entry cell){
+		alternateTableCaption.append(cell.getValue());
+		alternateTableCaption.append("\n");//better for screen reader
+	}
+
 
 }
diff --git a/pdf-as-pdfbox/src/main/java/at/knowcenter/wag/egov/egiz/pdf/PDFPage.java b/pdf-as-pdfbox/src/main/java/at/knowcenter/wag/egov/egiz/pdf/PDFPage.java
index 5a3711a4..a7aaf2df 100644
--- a/pdf-as-pdfbox/src/main/java/at/knowcenter/wag/egov/egiz/pdf/PDFPage.java
+++ b/pdf-as-pdfbox/src/main/java/at/knowcenter/wag/egov/egiz/pdf/PDFPage.java
@@ -320,21 +320,17 @@ public class PDFPage extends PDFTextStripper {
 			current_y = text.getY();
 		}
 		if (pageRotation == 90) {
-			current_y = text.getX();
+			current_y = text.getY();
 		}
 		if (pageRotation == 180) {
-			float page_height = this.getCurrentPage().findMediaBox().getHeight();
-			current_y = page_height - text.getY();
+			current_y = text.getY();
 		}
 		if (pageRotation == 270) {
-			float page_height = this.getCurrentPage().findMediaBox().getHeight();
-			current_y = page_height - text.getX();
+			current_y = text.getY();
 		}
 
-		if (current_y > this.effectivePageHeight) {
-			// logger_.debug("character is below footer_line. footer_line = " +
-			// this.footer_line + ", text.character=" + character + ", y=" +
-			// current_y);
+		if (current_y > this.effectivePageHeight) {			
+			this.max_character_ypos=this.effectivePageHeight;
 			return;
 		}
 
@@ -454,10 +450,8 @@ public class PDFPage extends PDFTextStripper {
 				if (pageRotation == 180) {
 					float min_y = findMinY(transformed_coordinates);
                     logger.debug("min_y = " + min_y);
-					float page_height = this.mypage.getCurrentPage().findMediaBox().getHeight();
-					actual_lowest_point = page_height
-							- findMaxY(transformed_coordinates);
-					actual_starting_point = page_height - min_y;
+					actual_lowest_point = findMaxY(transformed_coordinates);
+					actual_starting_point = actual_lowest_point + min_y;
 				}
 				if (pageRotation == 270) {
 					float min_x = findMinX(transformed_coordinates);
@@ -581,14 +575,14 @@ public class PDFPage extends PDFTextStripper {
 			current_y = page_height - anno.getRectangle().getLowerLeftY();
 		}
 		if (pageRotation == 90) {
-			current_y = anno.getRectangle().getLowerLeftX();
+			current_y = anno.getRectangle().getUpperRightX();
 		}
 		if (pageRotation == 180) {
 			current_y = anno.getRectangle().getUpperRightY();
 		}
 		if (pageRotation == 270) {
-			float page_height = page.findMediaBox().getHeight();
-			current_y = page_height - anno.getRectangle().getUpperRightX();
+			float page_width = page.findMediaBox().getWidth();
+			current_y = page_width - anno.getRectangle().getLowerLeftX() ;
 		}
 
 		if (current_y > this.effectivePageHeight) {