From 8b6eeda673ab545dadf6ffedde1654f6a0604428 Mon Sep 17 00:00:00 2001
From: Andreas Fitzek <andreas.fitzek@iaik.tugraz.at>
Date: Thu, 15 May 2014 10:11:39 +0200
Subject: TTF Fonts width fix, null value in signature block fix, Signature
 reason from config

---
 .../lib/impl/signing/pdfbox/PADESPDFBOXSigner.java | 34 ++++++++++++++++++++--
 .../lib/impl/stamping/pdfbox/PDFBoxTable.java      |  5 ++--
 2 files changed, 35 insertions(+), 4 deletions(-)

(limited to 'pdf-as-lib/src/main/java/at/gv')

diff --git a/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/signing/pdfbox/PADESPDFBOXSigner.java b/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/signing/pdfbox/PADESPDFBOXSigner.java
index 44919b1c..8694017f 100644
--- a/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/signing/pdfbox/PADESPDFBOXSigner.java
+++ b/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/signing/pdfbox/PADESPDFBOXSigner.java
@@ -128,7 +128,7 @@ public class PADESPDFBOXSigner implements IPdfSigner, IConfigurationConstants {
 			if (signerReason == null) {
 				signerReason = "PAdES Signature";
 			}
-
+			
 			signature.setReason(signerReason);
 			logger.debug("Signing reason: " + signerReason);
 
@@ -139,7 +139,7 @@ public class PADESPDFBOXSigner implements IPdfSigner, IConfigurationConstants {
 
 			signer.setPDSignature(signature);
 			SignatureOptions options = new SignatureOptions();
-
+			
 			// Is visible Signature
 			if (requestedSignature.isVisual()) {
 				logger.info("Creating visual siganture block");
@@ -321,6 +321,36 @@ public class PADESPDFBOXSigner implements IPdfSigner, IConfigurationConstants {
 
 			doc.addSignature(signature, signer, options);
 
+			String sigFieldName = signatureProfileSettings.getSignFieldValue();
+			
+			if(sigFieldName != null) {
+				PDAcroForm acroForm = doc.getDocumentCatalog().getAcroForm();
+				if (acroForm != null) {
+					@SuppressWarnings("unchecked")
+					List<PDField> fields = acroForm.getFields();
+					PDSignatureField signatureField = null;
+
+					if (fields != null) {
+						for (PDField pdField : fields) {
+							if (pdField instanceof PDSignatureField) {
+								if (((PDSignatureField) pdField).getSignature().getDictionary()
+										.equals(signature.getDictionary())) {
+									signatureField = (PDSignatureField) pdField;
+								}
+							}
+						}
+					} else {
+						logger.warn("Failed to name Signature Field! [Cannot find Field list in acroForm!]");
+					}
+					
+					if(signatureField != null) {
+						signatureField.setPartialName(sigFieldName);
+					}
+				} else {
+					logger.warn("Failed to name Signature Field! [Cannot find acroForm!]");
+				}
+			}
+			
 			if (requestedSignature.isVisual()) {
 
 				// if(requestedSignature.getSignaturePosition().)
diff --git a/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/stamping/pdfbox/PDFBoxTable.java b/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/stamping/pdfbox/PDFBoxTable.java
index 1d8928aa..c6d515f9 100644
--- a/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/stamping/pdfbox/PDFBoxTable.java
+++ b/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/stamping/pdfbox/PDFBoxTable.java
@@ -374,9 +374,10 @@ public class PDFBoxTable {
 			float fwidth;
 			if (c instanceof PDType1Font) {
 				fwidth = c.getFontDescriptor().getFontBoundingBox().getWidth()
-						/ 1000 * fontSize;
+						/ 1000.0f * fontSize;
 			} else {
-				fwidth = c.getFontDescriptor().getMaxWidth();
+				fwidth = c.getStringWidth("abcdefghijklmnopqrstuvwxyz ") / 1000.0f * fontSize;
+				fwidth = fwidth / (float)"abcdefghijklmnopqrstuvwxyz".length();
 			}
 
 			logger.debug("Font Width: {}", fwidth);
-- 
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