diff options
Diffstat (limited to 'pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf')
24 files changed, 1591 insertions, 247 deletions
diff --git a/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/AbsoluteTextSignature.java b/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/AbsoluteTextSignature.java index fd59d34..7b5a968 100644 --- a/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/AbsoluteTextSignature.java +++ b/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/AbsoluteTextSignature.java @@ -73,7 +73,9 @@ public class AbsoluteTextSignature public static List getSignatureTypesForTextAnalysis() throws SignatureTypesException
{
SignatureTypes sig_types = SignatureTypes.getInstance();
- List allSignatureTypes = sig_types.getSignatureTypeDefinitions();
+ // use only those profiles that are allowed to be used for verification
+// List allSignatureTypes = sig_types.getSignatureTypeDefinitions();
+ List<SignatureTypeDefinition> allSignatureTypes = sig_types.getSignatureTypeDefinitionsForVerification();
List textSignatureTypes = new ArrayList(allSignatureTypes.size());
Iterator it = allSignatureTypes.iterator();
diff --git a/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/BinarySignature.java b/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/BinarySignature.java index ece9525..75a64f1 100644 --- a/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/BinarySignature.java +++ b/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/BinarySignature.java @@ -40,6 +40,7 @@ import java.util.Comparator; import java.util.Iterator;
import java.util.List;
+import org.apache.commons.io.IOUtils;
import org.apache.commons.lang.ArrayUtils;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
@@ -89,25 +90,46 @@ import com.lowagie.text.pdf.PdfStamper; import com.lowagie.text.pdf.PdfStamperImp;
import com.lowagie.text.pdf.PdfString;
import com.lowagie.text.pdf.PdfTemplate;
+import com.lowagie.text.pdf.PdfWriter;
/**
* Contains various extension functions to digitally sign documents.
- *
+ *
* <p>
* These functions are used to replace parts of the original Egiz plain text
* signature mechanism.
* </p>
- *
+ *
* @author wprinz
*/
public abstract class BinarySignature
{
//23.11.2010 changed by exthex - added replacePlaceholder(PdfStamper stamper, int pageNr, String placeholderName) method
-
+
protected static Log logger = LogFactory.getLog(BinarySignature.class);
+
+ /**
+ * The resource path of the srgb profile to be embedded in case of PDF/A-1b.
+ */
+ private static final String srgbProfileResource = "/at/gv/egiz/pdfas/itext/srgb.profile";
+
+ /**
+ * The color profile to be embedded in case of PDF/A-1b.
+ */
+ private static final byte[] SRGB_PROFILE;
+
+ static {
+ try {
+ logger.debug("Preloading srgb color profile '" + srgbProfileResource + ".");
+ SRGB_PROFILE = IOUtils.toByteArray(BinarySignature.class.getResourceAsStream(srgbProfileResource));
+ } catch (IOException e) {
+ throw new RuntimeException("Unable to preload srgb color profile.", e);
+ }
+ }
+
/**
* The tolerance area of the line break algorithm.
- *
+ *
* @see Placeholder#replacePlaceholderWithTolerance(byte[], List, byte[], int)
*/
public static final int LINE_BREAK_TOLERANCE = 10;
@@ -116,11 +138,11 @@ public abstract class BinarySignature * The number of bytes left out for the certificate placeholder.
*/
public static final int CERTIFICATE_PLACEHOLDER_LENGTH = 10000;
-
+
/**
* The number of bytes left out for the timestamp placeholder.
*/
- public static final int TIMESTAMP_PLACEHOLDER_LENGTH = 5000;
+ public static final int TIMESTAMP_PLACEHOLDER_LENGTH = 5000;
/**
* The placeholder character used to fill out Strings in the layout process.
@@ -162,11 +184,11 @@ public abstract class BinarySignature * The SIG_ID brev.
*/
public static final byte[] BREV_SID = { 's', 'i', 'd' };
-
+
/**
* The SIG_ALG brev.
*/
- public static final byte[] BREV_ALG = { 'a', 'l', 'g' };
+ public static final byte[] BREV_ALG = { 'a', 'l', 'g' };
/**
* No explicit encoding.
@@ -185,7 +207,7 @@ public abstract class BinarySignature /**
* The PDFName of the Egiz Dictionary.
- *
+ *
* <p>
* Used to locate and identify the Egiz Dictionary in the document.
* </p>
@@ -195,7 +217,7 @@ public abstract class BinarySignature /**
* The PDFName of the Original Document Size (ODS) field in an Egiz
* Dictionary.
- *
+ *
* <p>
* The ODS must be a positive integral number.
* </p>
@@ -226,7 +248,7 @@ public abstract class BinarySignature * The PdfName of the certificate array.
*/
public static final PdfName EGIZ_CERTIFICATE_NAME = new PdfName("Cert");
-
+
/**
* The PdfName of the Timestamp
*/
@@ -239,7 +261,7 @@ public abstract class BinarySignature /**
* The PDFName of the Signature XObject field in an Egiz Dictionary.
- *
+ *
* <p>
* This must be an indirect reference to the XObject containing the Signature
* table.
@@ -251,17 +273,17 @@ public abstract class BinarySignature * The number placeholder that is used to give numbers a fixed length.
*/
protected static final PdfNumber NUMBER_PLACEHOLDER = new PdfNumber(999999999);
-
+
/**
* Extracts the signature text only.
- *
+ *
* <p>
* The signature text is the text of the Signature XObject.
* </p>
- *
+ *
* @param egiz_dict
* The Egiz Dictionary.
- *
+ *
* @return Returns the signature text.
*/
public static String extractSignatureTextOnly(PdfDictionary egiz_dict) throws IOException
@@ -276,7 +298,7 @@ public abstract class BinarySignature /**
* Retrieves the size of the original document from the Egiz Dictionary.
- *
+ *
* @param egiz_dict
* The Egiz Dictionary.
* @return Returns the size (in bytes) of the original document.
@@ -292,7 +314,7 @@ public abstract class BinarySignature /**
* Retrieves the previous Egiz dictionary from the given one, if a previous
* dictionary exists.
- *
+ *
* @param egiz_dict
* The Egiz Dictionary.
* @return Returns the previous Egiz Dictionary, or null if there is none.
@@ -306,7 +328,7 @@ public abstract class BinarySignature /**
* Retrieves the Egiz Dictionary from the document if present.
- *
+ *
* @param reader
* The reader to retrieve the dictionary from.
* @return Returns the Egiz Dictionary, if present, or returns null, if no
@@ -327,7 +349,7 @@ public abstract class BinarySignature /**
* Retrieves the Egiz Dictionary's indirect reference from the reader.
- *
+ *
* @param reader
* The reader.
* @return Returns the indirect reference of the Egiz Dictionary, or null, if
@@ -342,14 +364,14 @@ public abstract class BinarySignature /**
* Retrieves the chain of Egiz Dictionaries from the reader.
- *
+ *
* <p>
* The first element in the List will be the top most (oldest) Egiz
* Dictionary. The last element in the List will be the bottom most (latest)
* Egiz Dictionary. If the list is empty, no dictionary could be found at all,
* which means that the document is not digitally signed.
* </p>
- *
+ *
* @param reader
* The reader.
* @return Returns the List of PdfDictionaries from the document.
@@ -374,7 +396,7 @@ public abstract class BinarySignature /**
* Builds a digest of the given data.
- *
+ *
* @param data
* The data to be digested.
* @param length
@@ -393,7 +415,6 @@ public abstract class BinarySignature }
catch (NoSuchAlgorithmException e)
{
- e.printStackTrace();
throw new PDFDocumentException(202, "Digest algorithm not supported - NoSuchAlgorithmException", e);
}
@@ -406,7 +427,7 @@ public abstract class BinarySignature /**
* Retrieves the signable text from the given document.
- *
+ *
* @param data
* The data.
* @param ods
@@ -423,7 +444,7 @@ public abstract class BinarySignature /**
* Fills the holes in the byte ranges with the SIGN_PLACEHOLDER.
- *
+ *
* @param data
* The given byte ranged data.
* @param byte_ranges
@@ -697,7 +718,7 @@ public abstract class BinarySignature // throw new PresentableException(e);
// }
// }
-
+
protected static int getLineBreakTolerance(IncrementalUpdateInformation iui) throws PDFDocumentException
{
SettingsReader settings;
@@ -717,7 +738,7 @@ public abstract class BinarySignature }
return lineBreakTolerance;
}
-
+
protected static int getCertificatePlaceholderLength(IncrementalUpdateInformation iui) throws SettingNotFoundException
{
SettingsReader settings;
@@ -737,7 +758,7 @@ public abstract class BinarySignature }
return certLen;
}
-
+
protected static int getTimestampPlaceholderLength(IncrementalUpdateInformation iui) throws SettingNotFoundException
{
SettingsReader settings;
@@ -761,7 +782,7 @@ public abstract class BinarySignature /**
* Signs a document with the given signature table using the Incremental
* Update method.
- *
+ *
* <p>
* The table containing the signature text will be appended. As specified by
* the parameters, the signature will be appended to the last page, or a plain
@@ -777,7 +798,7 @@ public abstract class BinarySignature * information about the signature. Basically the size of the original
* document and the reference of the signature table.
* </p>
- *
+ *
* @param original_document
* The original document.
* @param pdf_table
@@ -811,10 +832,7 @@ public abstract class BinarySignature // System.out.println("wprinz: STAMPING PDF");
// InputStream is = original_document.createInputStream();
- byte[] pdf_data = original_document.getAsByteArray();
- PdfReader reader = new PdfReader(pdf_data);
- PDFASUtils.checkReaderPermissions(reader);
- // is.close();
+ PdfReader reader = PDFASUtils.createPdfReaderCheckingPermissions(original_document);
OutputStream baos = written_pdf.createOutputStream("application/pdf");
// ByteArrayOutputStream baos = new ByteArrayOutputStream();
@@ -823,7 +841,7 @@ public abstract class BinarySignature // incremental updated
// The stamper allows this by setting append = true
boolean adobeSigField = AdobeSignatureHelper.isAdobeSignatureFieldEnabled(so.getSignatureTypeDefinition().getType());
- PdfStamper stamper = null;
+ PdfStamper stamper = null;
if (adobeSigField) {
stamper = PdfStamper.createSignature(reader, baos, '\0', null, true);
} else {
@@ -843,13 +861,13 @@ public abstract class BinarySignature {
throw new PDFDocumentException(224, "The provided page (=" + pi.getPage() + ") is out of range.");
}
-
+
if (SignaturePlaceholderContext.isSignaturePlaceholderDataSet() &&
SignaturePlaceholderContext.getSignaturePlaceholderData().getPlaceholderName() != null)
{
replacePlaceholder(stamper, pi.getPage(), SignaturePlaceholderContext.getSignaturePlaceholderData().getPlaceholderName());
}
-
+
PdfContentByte content = stamper.getOverContent(pi.getPage());
// content = StampContent einer PageStamp.
@@ -857,12 +875,12 @@ public abstract class BinarySignature // table_height = " + pdf_table.getTotalHeight());
PdfTemplate table_template = content.createTemplate(pdf_table.getTotalWidth(), pdf_table.getTotalHeight());
- table_template.setCompress(Boolean.FALSE); // do not compress sigblock because we rewrite it afterwards for bin sig
+ table_template.setCompress(Boolean.FALSE); // do not compress sigblock because we rewrite it afterwards for bin sig
// exthex
StructContentHelper structHelper = new StructContentHelper(stamper, content, pi.getPage());
structHelper.prepareStructData(table_template);
-
+
pdf_table.writeSelectedRows(0, -1, 0, pdf_table.getTotalHeight(), table_template);
// table_template.moveTo(0, 0);
@@ -876,13 +894,13 @@ public abstract class BinarySignature // pdf_table.writeSelectedRows(0, -1, SIGNATURE_BORDER / 2,
// table_position, content);
-
+
structHelper.beginSigBlockContent();
-
+
content.addTemplate(table_template, pi.getX(), pi.getY() - pdf_table.getTotalHeight());
-
- structHelper.endSigBlockContent();
-
+
+ structHelper.endSigBlockContent();
+
ActualTablePos atp = new ActualTablePos();
atp.page = pi.getPage();
@@ -891,13 +909,13 @@ 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);
@@ -940,7 +958,22 @@ public abstract class BinarySignature // PdfObject value = resources.get(key);
// System.out.println(" " + key + " = " + value);
// }
-
+
+ // added by dti: fixing PDF/A-1b
+ if (PDFASUtils.isPdfAEnabled(profile)) {
+ logger.debug("Adding sRGB IEC61966-2.1 color profile (output intent) in order to satisfy PDF/A-1b requirements.");
+ PdfWriter writer = stamper.getWriter();
+ writer.setOutputIntents("Custom", "sRGB", "", "sRGB IEC61966-2.1", SRGB_PROFILE);
+ PdfArray a = writer.getExtraCatalog().getAsArray(PdfName.OUTPUTINTENTS);
+ if (a != null) {
+ PdfDictionary d = a.getAsDict(0);
+ if (d != null) {
+ // overwrite PDF/X entry with PDF/A entry
+ d.put(PdfName.S, PdfName.GTS_PDFA1);
+ }
+ }
+ }
+
// add the EGIZ dict:
if (variable_field_definitions != null)
{
@@ -964,22 +997,20 @@ public abstract class BinarySignature }
catch (IOException e)
{
- e.printStackTrace();
throw new PresentableException(ErrorCode.CANNOT_WRITE_PDF, e);
}
catch (DocumentException e)
{
- e.printStackTrace();
throw new PresentableException(ErrorCode.CANNOT_WRITE_PDF, e);
}
}
-
+
private static void replacePlaceholder(PdfStamper stamper, int pageNr, String placeholderName) throws BadElementException, MalformedURLException, IOException, BadPdfFormatException, PresentableException {
Image img = Image.getInstance(SignaturePlaceholderData.class.getResource("empty.jpg"));
PdfImage pImg = new PdfImage(img, "Imwurscht", null);
PdfStamperImp stamperImp = (PdfStamperImp)stamper.getWriter();
PdfIndirectObject ind = stamperImp.addToBody(pImg);
-
+
PdfDictionary resources = stamper.getReader().getPageN(pageNr).getAsDict(PdfName.RESOURCES);
if (ind != null && resources != null)
{
@@ -999,11 +1030,11 @@ public abstract class BinarySignature throw new PresentableException(ErrorCode.CANNOT_WRITE_PDF, new NullPointerException("Resource dictionary not found in document structure!"));
}
}
-
+
/**
* Creates the EGIZ Dictionary and adds it to the document.
- *
+ *
* @param stamper
* The PdfStamper.
* @param table_template
@@ -1092,11 +1123,11 @@ public abstract class BinarySignature // /encodings
replaces_array.add(new PdfName(new String(BREV_NIL, "US-ASCII"))); // the
// /Cert
-
+
if (iui.timeStamper != null) {
encodings_array.add(new PdfName(new String(ENCODING_NIL))); // the /Timestamp
replaces_array.add(new PdfName(new String(BREV_NIL, "US-ASCII"))); // the /timestamp
-
+
}
// hidden replaces
@@ -1153,9 +1184,9 @@ public abstract class BinarySignature }
PdfString cert_placeholder = new PdfString(cert_bytes);
cert_array.add(cert_placeholder);
- egiz_dict.put(EGIZ_CERTIFICATE_NAME, cert_array);
-
- // Timestamp
+ egiz_dict.put(EGIZ_CERTIFICATE_NAME, cert_array);
+
+ // Timestamp
if (iui.timeStamper != null) {
// only if handler is available
PdfArray timestamp_array = new PdfArray();
@@ -1167,10 +1198,10 @@ public abstract class BinarySignature }
PdfString timestamp_placeholder = new PdfString(timestamp_bytes);
timestamp_array.add(timestamp_placeholder);
- egiz_dict.put(EGIZ_TIMESTAMP_NAME, timestamp_array);
+ egiz_dict.put(EGIZ_TIMESTAMP_NAME, timestamp_array);
}
-
+
// /Data array with hidden information
if (has_hidden_variable_fields || invisibleKZString != null)
{
@@ -1221,7 +1252,7 @@ public abstract class BinarySignature /**
* Converts a field name (type) to the corresponding BREV.
- *
+ *
* @param type
* The field name (type).
* @return Returns the corresponding BREV, or BREV_NIL if the type is not
@@ -1261,12 +1292,12 @@ public abstract class BinarySignature /**
* Updates the information in the egiz dictionary to reflect the real offsets
* of the byte ranges.
- *
+ *
* <p>
* This replaces the "dummy numbers" in the egiz dictionary with the correct
* values.
* </p>
- *
+ *
* @param iui
* The IncrementalUpdateInformation.
* @throws PDFDocumentException
@@ -1309,7 +1340,7 @@ public abstract class BinarySignature byte[] cert_bytes = cert_str.getBytes("US-ASCII");
int cert_index = ByteArrayUtils.indexOf(signed_pdf, obj_start, cert_bytes);
int cert_start = cert_index + cert_bytes.length;
-
+
//Timestamp
int timestamp_index = 0;
int timestamp_start = 0;
@@ -1325,14 +1356,14 @@ public abstract class BinarySignature int cur_pos = array_start;
int cur_br_start = 0;
-
+
// write the /encodings byte range
{
int num_replaces = calcNumReps(iui.replaces);
- int num_holes = num_replaces + 1 + 1;
+ int num_holes = num_replaces + 1 + 1;
// +1 = the /encodings hole
- // +1 = the /Cert
+ // +1 = the /Cert
// +1 = the /Timestamp
if (iui.timeStamper != null) {
num_holes += 1;
@@ -1376,7 +1407,7 @@ public abstract class BinarySignature iui.cert_start = cert_start;
}
-
+
// write the /Timestamp byte range
if (iui.timeStamper != null) {
StringInfo byte_range = new StringInfo();
@@ -1394,7 +1425,7 @@ public abstract class BinarySignature cur_br_start = timestamp_start + iui.timestamp_length;
iui.timestamp_start = timestamp_start;
- }
+ }
// determine the /Data byte ranges if any
List ifd = iui.invisible_field_definitions;
@@ -1411,7 +1442,7 @@ public abstract class BinarySignature {
StringInfo si = (StringInfo) iui.kz_list.get(0);
si.string_start = hole_start;
-
+
hole_start += si.string_length + 2;
}
@@ -1468,7 +1499,7 @@ public abstract class BinarySignature cur_pos += num_digits;
cur_pos += 1;
-
+
// update the Kennzeichnung byte ranges
cur_pos = kz_start;
for (int i = 0; i < iui.kz_list.size(); i++)
@@ -1494,7 +1525,7 @@ public abstract class BinarySignature /**
* Replaces the certificate placeholder with the certificate from the signed
* Signature Object.
- *
+ *
* @param iui
* The IncrementalUpdateInformation.
* @throws PDFDocumentException
@@ -1550,7 +1581,7 @@ public abstract class BinarySignature /**
* Replaces the timestam placeholder with the timestamp from the signed
* Signature Object.
- *
+ *
* @param iui
* The IncrementalUpdateInformation.
* @throws PDFDocumentException
@@ -1558,27 +1589,27 @@ public abstract class BinarySignature public static void replaceTimestamp(IncrementalUpdateInformation iui) throws PDFDocumentException
{
String timestamp = iui.signed_signature_object.getSigTimeStamp();
- if (timestamp != null) {
+ if (timestamp != null) {
byte[] escaped = Placeholder.escapePDFString(timestamp.getBytes());
if (escaped.length > iui.timestamp_length)
{
throw new PlaceholderException("timestamp", escaped.length - iui.timestamp_length);
}
- System.arraycopy(escaped, 0, iui.signed_pdf, iui.timestamp_start, escaped.length);
+ System.arraycopy(escaped, 0, iui.signed_pdf, iui.timestamp_start, escaped.length);
}
}
-
+
/**
* Replaces the placeholders with values from the signed SignatureObject.
- *
+ *
* @param iui
* The IncrementalUpdateInformation.
* @throws PDFDocumentException
*/
public static void replacePlaceholders(IncrementalUpdateInformation iui) throws PDFDocumentException
{
- final int lineBreakTolerance = getLineBreakTolerance(iui);
-
+ final int lineBreakTolerance = getLineBreakTolerance(iui);
+
final byte[] signed_pdf = iui.signed_pdf;
// int num_replaces = calcNumReps(iui.replaces);
@@ -1661,7 +1692,7 @@ public abstract class BinarySignature * carried out. Accordingly to this number, entries in the dictionary are
* created.
* </p>
- *
+ *
* @param replaces
* The ReplaceInfo list.
* @return Returns the number of string replaces.
@@ -1681,12 +1712,12 @@ public abstract class BinarySignature /**
* Determines the List of ReplaceInfo objects of replaces in the content
* stream regarding the given field definitions.
- *
+ *
* <p>
* This method collects all variable String fields in a content stream and
* orders them according to their start offset.
* </p>
- *
+ *
* @param pdf
* The PDF.
* @param begin
@@ -1760,7 +1791,7 @@ public abstract class BinarySignature /**
* Determines the Kennzeichnug in the content stream.
- *
+ *
* @param pdf
* The PDF.
* @param begin
@@ -1819,7 +1850,7 @@ public abstract class BinarySignature /**
* Finds the index of the StringInfo within the StringInfo list that has the
* given content (caption).
- *
+ *
* @param strings
* The list of StringInfos.
* @param caption
@@ -1886,7 +1917,7 @@ public abstract class BinarySignature /**
* Tells, if the given StringInfo contains only placeholder characters.
- *
+ *
* @param si
* The StringInfo.
* @param placeholder
@@ -1935,7 +1966,7 @@ public abstract class BinarySignature /**
* Finds the first string after and at the given index not being a placeholder
* string.
- *
+ *
* @param strings
* The list of StringInfos.
* @param start
@@ -1958,7 +1989,7 @@ public abstract class BinarySignature /**
* Restores the given String to its placeholder.
- *
+ *
* @param pdf
* The PDF.
* @param si
@@ -1978,7 +2009,7 @@ public abstract class BinarySignature /**
* Reconstructs the replaces from the PDF and forms suitable value strings.
- *
+ *
* @param pdf
* The PDF.
* @param brevs
@@ -2044,7 +2075,7 @@ public abstract class BinarySignature /**
* Reads an unsigned integer number.
- *
+ *
* @param pdf
* The PDF.
* @param start_index
@@ -2073,7 +2104,7 @@ public abstract class BinarySignature /**
* Replaces a number by the new value.
- *
+ *
* @param pdf
* The PDF.
* @param start_index
diff --git a/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/PDFPage.java b/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/PDFPage.java index 7de89d2..1a89b7b 100644 --- a/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/PDFPage.java +++ b/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/PDFPage.java @@ -25,15 +25,19 @@ */
package at.knowcenter.wag.egov.egiz.pdf;
+import java.awt.Rectangle;
+import java.awt.geom.GeneralPath;
import java.io.IOException;
import java.util.List;
import java.util.Map;
+import org.apache.commons.lang.math.NumberUtils;
import org.apache.log4j.Logger;
import org.pdfbox.cos.COSName;
import org.pdfbox.cos.COSStream;
import org.pdfbox.pdmodel.PDPage;
import org.pdfbox.pdmodel.PDResources;
+import org.pdfbox.pdmodel.common.PDRectangle;
import org.pdfbox.pdmodel.common.PDStream;
import org.pdfbox.pdmodel.graphics.xobject.PDXObject;
import org.pdfbox.pdmodel.graphics.xobject.PDXObjectForm;
@@ -44,6 +48,21 @@ import org.pdfbox.util.TextPosition; import org.pdfbox.util.operator.OperatorProcessor;
import at.knowcenter.wag.egov.egiz.cfg.ConfigLogger;
+import at.knowcenter.wag.egov.egiz.pdf.operator.path.construction.ClosePath;
+import at.knowcenter.wag.egov.egiz.pdf.operator.path.construction.CurveTo;
+import at.knowcenter.wag.egov.egiz.pdf.operator.path.construction.CurveToReplicateFinalPoint;
+import at.knowcenter.wag.egov.egiz.pdf.operator.path.construction.CurveToReplicateInitialPoint;
+import at.knowcenter.wag.egov.egiz.pdf.operator.path.construction.LineTo;
+import at.knowcenter.wag.egov.egiz.pdf.operator.path.construction.MoveTo;
+import at.knowcenter.wag.egov.egiz.pdf.operator.path.painting.CloseAndStrokePath;
+import at.knowcenter.wag.egov.egiz.pdf.operator.path.painting.CloseFillEvenOddAndStrokePath;
+import at.knowcenter.wag.egov.egiz.pdf.operator.path.painting.CloseFillNonZeroAndStrokePath;
+import at.knowcenter.wag.egov.egiz.pdf.operator.path.painting.EndPath;
+import at.knowcenter.wag.egov.egiz.pdf.operator.path.painting.FillEvenOddAndStrokePath;
+import at.knowcenter.wag.egov.egiz.pdf.operator.path.painting.FillNonZeroAndStrokePath;
+import at.knowcenter.wag.egov.egiz.pdf.operator.path.painting.FillPathEvenOddRule;
+import at.knowcenter.wag.egov.egiz.pdf.operator.path.painting.FillPathNonZeroWindingNumberRule;
+import at.knowcenter.wag.egov.egiz.pdf.operator.path.painting.StrokePath;
/**
* PDFPage is an inner class that is used to calculate the page length of a PDF
@@ -52,7 +71,7 @@ import at.knowcenter.wag.egov.egiz.cfg.ConfigLogger; * This method is called when processing the FileStream. By calling the method
* {@link org.pdfbox.util.PDFStreamEngine#processStream(org.pdfbox.pdmodel.PDPage, org.pdfbox.pdmodel.PDResources, org.pdfbox.cos.COSStream)}
* the implemented method showCharacter is called.
- *
+ *
* @author wlackner
* @see PDFTextStripper
*/
@@ -67,41 +86,167 @@ public class PDFPage extends PDFTextStripper * The maximum (lowest) y position of a character.
*/
protected float max_character_ypos = Float.NEGATIVE_INFINITY;
-
+
/**
* The maximum (lowest y position of an image.
*/
protected float max_image_ypos = Float.NEGATIVE_INFINITY;
-
+
/**
* The effective page height.
*/
protected float effectivePageHeight;
-
+
+ /**
+ * The path currently being constructed.
+ */
+ private GeneralPath currentPath = new GeneralPath();
+
+ /**
+ * The lowest position of a drawn path (originating from top).
+ */
+ private float maxPathRelatedYPositionFromTop = Float.NEGATIVE_INFINITY;
+
/**
* Constructor.
- *
+ *
* @param effectivePageHeight The height of the page to be evaluated. PDF elements outside this height will not be considered.
- *
+ *
* @throws IOException
*/
public PDFPage(float effectivePageHeight) throws IOException
{
super();
-
+
this.effectivePageHeight = effectivePageHeight;
-
+
OperatorProcessor newInvoke = new MyInvoke();
newInvoke.setContext(this);
operators.put("Do", newInvoke);
+
+ registerCustomPathOperators();
}
+ /**
+ * Registers operators responsible for path construction and painting in order to fix auto positioning on pages with
+ * path elements.
+ *
+ * @author Datentechnik Innovation GmbH
+ */
+ @SuppressWarnings("unchecked")
+ private void registerCustomPathOperators() {
+
+ // *** path construction
+
+ operators.put("m", new MoveTo(this));
+ operators.put("l", new LineTo(this));
+ operators.put("c", new CurveTo(this));
+ operators.put("y", new CurveToReplicateFinalPoint(this));
+ operators.put("v", new CurveToReplicateInitialPoint(this));
+ operators.put("h", new ClosePath(this));
+
+ // *** path painting
+
+ // "S": stroke path
+ operators.put("S", new StrokePath(this));
+ operators.put("s", new CloseAndStrokePath(this));
+ operators.put("f", new FillPathNonZeroWindingNumberRule(this));
+ operators.put("F", new FillPathNonZeroWindingNumberRule(this));
+ operators.put("f*", new FillPathEvenOddRule(this));
+ operators.put("b", new CloseFillNonZeroAndStrokePath(this));
+ operators.put("B", new FillNonZeroAndStrokePath(this));
+ operators.put("b*", new CloseFillEvenOddAndStrokePath(this));
+ operators.put("B*", new FillEvenOddAndStrokePath(this));
+ operators.put("n", new EndPath(this));
+
+ // Note: The graphic context (org.pdfbox.pdmodel.graphics.PDGraphicsState) of the underlying pdfbox library does
+ // not yet support clipping. This prevents feasible usage of clipping operators (W, W*).
+// operators.put("W", new ...(this));
+// operators.put("W*", new ...(this));
+
+ }
+
+ /**
+ * Returns the path currently being constructed.
+ *
+ * @return The path currently being constructed.
+ */
+ public GeneralPath getCurrentPath() {
+ return currentPath;
+ }
+
+ /**
+ * Sets the current path.
+ * @param currentPath The new current path.
+ */
+ public void setCurrentPath(GeneralPath currentPath) {
+ this.currentPath = currentPath;
+ }
+
+ /**
+ * Registers a rectangle that bounds the path currently being drawn.
+ *
+ * @param bounds
+ * A rectangle depicting the bounds (coordinates originating from bottom left).
+ * @author Datentechnik Innovation GmbH
+ */
+ public void registerPathBounds(Rectangle bounds) {
+ if (!bounds.isEmpty()) {
+ logger_.trace("Registering path bounds: " + bounds);
+
+ // vertical start of rectangle (counting from top of page)
+ float upperBoundYPositionFromTop;
+
+ // vertical end of rectangle (counting from top of page)
+ // this depicts the current end of path-related page content
+ float lowerBoundYPositionFromTop;
+
+ PDRectangle boundaryBox = page.findMediaBox();
+ float pageHeight;
+
+ switch (page.findRotation()) {
+ case 90: // CW
+ pageHeight = boundaryBox.getWidth();
+ upperBoundYPositionFromTop = (float) bounds.getMinX();
+ lowerBoundYPositionFromTop = (float) bounds.getMaxX();
+ break;
+ case 180:
+ pageHeight = boundaryBox.getHeight();
+ upperBoundYPositionFromTop = (float) bounds.getMinY();
+ lowerBoundYPositionFromTop = (float) bounds.getMaxY();
+ break;
+ case 270: // CCW
+ pageHeight = boundaryBox.getWidth();
+ upperBoundYPositionFromTop = pageHeight - (float) bounds.getMaxX();
+ lowerBoundYPositionFromTop = pageHeight - (float) bounds.getMinX();
+ break;
+ default:
+ pageHeight = boundaryBox.getHeight();
+ upperBoundYPositionFromTop = pageHeight - (float) bounds.getMaxY();
+ lowerBoundYPositionFromTop = pageHeight - (float) bounds.getMinY();
+ break;
+ }
+
+ // new maximum ?
+ if (lowerBoundYPositionFromTop > maxPathRelatedYPositionFromTop) {
+ // Is the rectangle (at least partly) located above the footer line?
+ // (effective page height := page height - footer line)
+ if (upperBoundYPositionFromTop <= effectivePageHeight) {
+ // yes: update current end of path-related page content
+ maxPathRelatedYPositionFromTop = lowerBoundYPositionFromTop;
+ logger_.trace("New max path related y position (from top): " + maxPathRelatedYPositionFromTop);
+ } else {
+ // no: rectangle is fully located below the footer line -> ignore
+ logger_.trace("Ignoring path bound below the footer line.");
+ }
+ }
+ }
+ }
protected void processOperator(PDFOperator operator, List arguments) throws IOException
{
- //logger_.debug("operator = " + operator);
-
- super.processOperator(operator, arguments);
+// logger_.debug("operator = " + operator);
+ super.processOperator(operator, arguments);
}
// exthex
@@ -111,7 +256,7 @@ public class PDFPage extends PDFTextStripper * is used to calculate the latest position of a text in the page. Sorry for
* this missinterpretation of the method, but it is the only way to do this
* (provided by PDFBox)!!!
- *
+ *
* @param text
* the character to be displayed -> calculate there y position.
*/
@@ -119,7 +264,7 @@ public class PDFPage extends PDFTextStripper {
float current_y = text.getY();
final String character = text.getCharacter();
-
+
int pageRotation = page.findRotation();
//logger_.debug("PageRotation = " + pageRotation);
if (pageRotation == 0)
@@ -146,7 +291,7 @@ public class PDFPage extends PDFTextStripper //logger_.debug("character is below footer_line. footer_line = " + this.footer_line + ", text.character=" + character + ", y=" + current_y);
return;
}
-
+
// store ypos of the char if it is not empty
if (!character.equals(" ") && current_y > this.max_character_ypos)
{
@@ -160,26 +305,18 @@ public class PDFPage extends PDFTextStripper // logger_.debug(new String(string));
// }
- /**
- * Returns the calculated page length.
- *
- * @return the max page length value
- */
- public float getMaxPageLength()
- {
- float max_ypos = Float.NEGATIVE_INFINITY;
-
- if (this.max_character_ypos > this.max_image_ypos)
- {
- max_ypos = this.max_character_ypos;
- }
- else
- {
- max_ypos = this.max_image_ypos;
- }
-
- return max_ypos;
- }
+ /**
+ * Returns the calculated page length.
+ *
+ * @return the max page length value
+ */
+ public float getMaxPageLength() {
+ if (logger_.isDebugEnabled()) {
+ logger_.debug("Determining page content length: text=" + max_character_ypos + ", image=" + max_image_ypos
+ + ", path=" + maxPathRelatedYPositionFromTop);
+ }
+ return NumberUtils.max(max_character_ypos, max_image_ypos, maxPathRelatedYPositionFromTop);
+ }
public class MyInvoke extends OperatorProcessor
{
@@ -192,26 +329,26 @@ public class PDFPage extends PDFTextStripper Map xobjects = context.getXObjects();
PDXObject xobject = (PDXObject) xobjects.get(name.getName());
-
+
PDStream stream = xobject.getPDStream();
COSStream cos_stream = stream.getStream();
-
+
COSName subtype = (COSName) cos_stream.getDictionaryObject(COSName.SUBTYPE);
if (subtype.equals(COSName.IMAGE))
{
logger_.debug("XObject Image");
-
+
Matrix ctm = context.getGraphicsState().getCurrentTransformationMatrix();
logger_.debug("ctm = " + ctm);
-
+
Pos [] coordinates = new Pos [] {
new Pos(0, 0, 1),
new Pos(1, 0, 1),
new Pos(0, 1, 1),
new Pos(1, 1, 1) };
-
+
Pos [] transformed_coordinates = transtormCoordinates(coordinates, ctm);
-
+
/**********************************************************
* pdf-as fix:
* calculating min and max point of an image to look where
@@ -219,10 +356,10 @@ public class PDFPage extends PDFTextStripper * fix solves problems with footer and images and
* placement of the signature in an image only pdf document
**********************************************************/
-
+
float actual_lowest_point = Float.NaN;
float actual_starting_point = Float.NaN;
-
+
int pageRotation = page.findRotation();
logger_.debug("PageRotation = " + pageRotation);
if (pageRotation == 0)
@@ -231,7 +368,7 @@ public class PDFPage extends PDFTextStripper logger_.debug("min_y = " + min_y);
float page_height = page.findMediaBox().getHeight();
logger_.debug("page_height = " + page_height);
-
+
actual_lowest_point = page_height - min_y;
actual_starting_point = page_height - findMaxY(transformed_coordinates);
}
@@ -243,7 +380,7 @@ public class PDFPage extends PDFTextStripper logger_.debug("page_width = " + page_width);
actual_lowest_point = max_x;
- actual_starting_point = findMinX(transformed_coordinates);
+ actual_starting_point = findMinX(transformed_coordinates);
}
if (pageRotation == 180)
{
@@ -257,17 +394,17 @@ public class PDFPage extends PDFTextStripper {
float min_x = findMinX(transformed_coordinates);
logger_.debug("min_x = " + min_x);
-
+
float page_width = page.findMediaBox().getWidth();
logger_.debug("page_width = " + page_width);
-
+
actual_lowest_point = page_width - min_x;
- actual_starting_point = page_width - findMaxX(transformed_coordinates);
+ actual_starting_point = page_width - findMaxX(transformed_coordinates);
}
-
+
logger_.debug("actual_lowest_point = " + actual_lowest_point);
-
+
if (actual_lowest_point > PDFPage.this.effectivePageHeight && actual_starting_point > PDFPage.this.effectivePageHeight)
{
logger_.debug("image is below footer_line");
@@ -278,7 +415,7 @@ public class PDFPage extends PDFTextStripper {
PDFPage.this.max_image_ypos = actual_lowest_point;
}
-
+
return;
}
@@ -297,7 +434,7 @@ public class PDFPage extends PDFTextStripper }
}
}
-
+
public static Pos [] transtormCoordinates (Pos [] coordinates, Matrix m)
{
Pos [] transformed = new Pos [coordinates.length];
@@ -307,18 +444,18 @@ public class PDFPage extends PDFTextStripper }
return transformed;
}
-
+
public static Pos transtormCoordinate (Pos pos, Matrix m)
{
Pos transformed = new Pos();
transformed.x = pos.x * m.getValue(0, 0) + pos.y * m.getValue(1, 0) + pos.z * m.getValue(2, 0);
transformed.y = pos.x * m.getValue(0, 1) + pos.y * m.getValue(1, 1) + pos.z * m.getValue(2, 1);
transformed.z = pos.x * m.getValue(0, 2) + pos.y * m.getValue(1, 2) + pos.z * m.getValue(2, 2);
-
+
logger_.debug(" transformed " + pos + " --> " + transformed);
return transformed;
}
-
+
public static float findMinY (Pos [] coordinates)
{
float min = Float.POSITIVE_INFINITY;
@@ -331,7 +468,7 @@ public class PDFPage extends PDFTextStripper }
return min;
}
-
+
public static float findMaxY(Pos[] coordinates) {
float max = 0;
for (int i = 0; i < coordinates.length; i++) {
@@ -341,7 +478,7 @@ public class PDFPage extends PDFTextStripper }
return max;
}
-
+
public static float findMaxX (Pos [] coordinates)
{
float max = Float.NEGATIVE_INFINITY;
diff --git a/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/PDFSignatureObjectIText.java b/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/PDFSignatureObjectIText.java index a8a150e..3b9909f 100644 --- a/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/PDFSignatureObjectIText.java +++ b/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/PDFSignatureObjectIText.java @@ -35,6 +35,7 @@ import org.apache.log4j.Level; import org.apache.log4j.Logger;
import at.gv.egiz.pdfas.exceptions.ErrorCode;
+import at.gv.egiz.pdfas.utils.PDFASUtils;
import at.knowcenter.wag.egov.egiz.cfg.ConfigLogger;
import at.knowcenter.wag.egov.egiz.cfg.SettingsReader;
import at.knowcenter.wag.egov.egiz.exceptions.PDFDocumentException;
@@ -59,7 +60,7 @@ import com.lowagie.text.pdf.SubsetLocal; * This class is the IText implementation of the PDFSignatureObject interface.
* The class takes an abstract definition of a signature object and convert them
* into a pdf table that is used to sign a pdf document.
- *
+ *
* @author wlackner
* @see at.knowcenter.wag.egov.egiz.sig.SignatureObject
* @see at.knowcenter.wag.egov.egiz.table.Table
@@ -76,8 +77,6 @@ public class PDFSignatureObjectIText implements PDFSignatureObject // Also fixed a minor bug which prevented proper style inheritment (Bug Nr. #534).
// 04.11.2010 changed by exthex - allow setting separate hAlign and vAlign for image cells analog to value cells.
- private static final String SIG_PDFA1_B_VALID = "SIG_PDFA1B_VALID";
-
/**
* The default font definition
*/
@@ -116,7 +115,7 @@ public class PDFSignatureObjectIText implements PDFSignatureObject /**
* The empty constructor. It loads the ui definitions from signature tables
* and init the align map.
- *
+ *
* @throws PDFDocumentException
*/
public PDFSignatureObjectIText() throws PDFDocumentException
@@ -127,7 +126,7 @@ public class PDFSignatureObjectIText implements PDFSignatureObject /**
* load the class settings
- *
+ *
* @throws PDFDocumentException
* @see SettingsReader
*/
@@ -174,7 +173,7 @@ public class PDFSignatureObjectIText implements PDFSignatureObject /**
* Set the abstract signature definition.
- *
+ *
* @param signatorObject
* the abstract signator object
* @see at.knowcenter.wag.egov.egiz.pdf.PDFSignatureObject#setSignatorObject(at.knowcenter.wag.egov.egiz.sig.SignatureObject)
@@ -186,7 +185,7 @@ public class PDFSignatureObjectIText implements PDFSignatureObject /**
* This method maps the table cell definitions to the pdfCell element.
- *
+ *
* @param pdfCell
* the pdf cell to be styled
* @param cellStyle
@@ -226,7 +225,7 @@ public class PDFSignatureObjectIText implements PDFSignatureObject align = ((Integer) alignMap_.get(cellStyle.getVAlign())).intValue();
if (align != -1)
pdfCell.setVerticalAlignment(align);
-
+
align = -1;
if (type == Entry.TYPE_VALUE && cellStyle.getValueHAlign() != null)
align = ((Integer) alignMap_.get(cellStyle.getValueHAlign())).intValue();
@@ -242,7 +241,7 @@ public class PDFSignatureObjectIText implements PDFSignatureObject /**
* This method maps the cell font definition to the iText Font Object
- *
+ *
* @param fontString
* @return the corresponding iText Font Object
* @see com.lowagie.text.Font
@@ -277,12 +276,12 @@ public class PDFSignatureObjectIText implements PDFSignatureObject int face = ((Integer) font_face).intValue();
float height = Float.parseFloat(font_arr[1]);
int weight = ((Integer) font_weight).intValue();
-
+
font = new Font(face, height, weight);
fontMap_.put(fontString, font);
return font;
}
-
+
/**
* Creates a custom
* @param fontString
@@ -305,15 +304,15 @@ public class PDFSignatureObjectIText implements PDFSignatureObject }
}
logger_.debug("TrueType Font detected:"+fontName +" ("+fontSize+")");
-
+
try {
Font font = (Font) fontMap_.get(fontString);
-
+
if (font == null) {
logger_.debug("Font \"" + fontString + "\" not in cache. Instantiating font.");
String fontPath = SettingsReader.RESOURCES_PATH + "fonts" + File.separator + fontName;
logger_.debug("Instantiating \"" + fontPath + "\".");
-
+
font = new Font(BaseFont.createFont(fontPath, BaseFont.WINANSI, true), fontSize);
fontMap_.put(fontString, font);
}
@@ -334,7 +333,7 @@ public class PDFSignatureObjectIText implements PDFSignatureObject * <li>images</li>
* <li>tables</li>
* </ul>
- *
+ *
* @param abstractCell
* the abstract cell definition
* @return the new redererd pdf table cell
@@ -345,27 +344,8 @@ public class PDFSignatureObjectIText implements PDFSignatureObject */
private PdfPCell renderCell(Entry abstractCell) throws PDFDocumentException
{
- boolean pdfaValid =false;
- try
- {
- String profileid = sigObject_.getSignatureTypeDefinition().getType();
- String pdfa = SettingsReader.getInstance().getSetting("sig_obj." +profileid+".key."+SIG_PDFA1_B_VALID, "default."+SIG_PDFA1_B_VALID, "false");
- pdfaValid= "true".equalsIgnoreCase(pdfa);
-
-// exthex test
- //SubsetLocal.set(!pdfaValid);
-
-// boolean forceSubset = true; // get this from config, default to false
- //String
-
- //SubsetLocal.set(true); // exthex
-
- logger_.trace("Sign PDF/A compliant:"+pdfa);
- } catch (SettingsException e1)
- {
- logger_.error(e1);
- }
-
+ boolean pdfaValid = PDFASUtils.isPdfAEnabled(sigObject_.getSignatureTypeDefinition().getType());
+
PdfPCell pdf_cell = null;
Style cell_style = abstractCell.getStyle();
boolean isValue = true;
@@ -384,7 +364,7 @@ public class PDFSignatureObjectIText implements PDFSignatureObject {
font_string = cell_style.getValueFont();
}
-
+
logger_.trace("using cell font: "+font_string);
Font cell_font;
@@ -402,7 +382,7 @@ public class PDFSignatureObjectIText implements PDFSignatureObject }
// exthex
if (pdfaValid && abstractCell.getType() == Entry.TYPE_VALUE) {
- SubsetLocal.addNonSubsetFont(cell_font.getBaseFont());
+ SubsetLocal.addNonSubsetFont(cell_font.getBaseFont());
}
Phrase text_phrase = new Phrase(text, cell_font);
pdf_cell = new PdfPCell(text_phrase);
@@ -429,9 +409,9 @@ public class PDFSignatureObjectIText implements PDFSignatureObject }
Image image = Image.getInstance(img_file.getCanonicalPath());
logger_.debug("Using image file \"" + img_file.getCanonicalPath() + "\".");
-
+
image.scaleToFit(80.0f, 80.0f);
- boolean fit = true;
+ boolean fit = true;
Style.ImageScaleToFit istf = cell_style.getImageScaleToFit();
if (istf != null)
{
@@ -490,7 +470,7 @@ public class PDFSignatureObjectIText implements PDFSignatureObject * This method visualize an abstract table into a corresponding pdf table. The
* new pdf table is redered and get the style information from the abstract
* cell.
- *
+ *
* @param abstractTable
* the abstract table definition
* @return the new redererd pdf table cell
@@ -558,7 +538,7 @@ public class PDFSignatureObjectIText implements PDFSignatureObject /**
* This method creates the pdf table object. It takes the abstract table
* definition from the signature object and render the abstract table.
- *
+ *
* @param sigObject
* the signature object, the base for the abstract table definition
* @return R
@@ -587,7 +567,7 @@ public class PDFSignatureObjectIText implements PDFSignatureObject /**
* Converts the current abstract signature object in a pdf signature object
* implementation
- *
+ *
* @return the converted pdf signature object
* @see at.knowcenter.wag.egov.egiz.pdf.PDFSignatureObject#getSignatureObject()
*/
@@ -603,11 +583,11 @@ public class PDFSignatureObjectIText implements PDFSignatureObject /**
* Converts a abstract signature object in a pdf signature object
* implementation
- *
+ *
* @param sigObject
* the abstract signatorObject to convert
* @return the converted pdf signature object
- * @throws PDFDocumentException
+ * @throws PDFDocumentException
* @see at.knowcenter.wag.egov.egiz.pdf.PDFSignatureObject#getSignatureObject(at.knowcenter.wag.egov.egiz.sig.SignatureObject)
*/
public Object getSignatureObject(SignatureObject sigObject) throws PDFDocumentException
diff --git a/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/PDFUtilities.java b/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/PDFUtilities.java index bdc1078..b3adb71 100644 --- a/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/PDFUtilities.java +++ b/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/PDFUtilities.java @@ -32,6 +32,7 @@ import java.util.List; import at.gv.egiz.pdfas.framework.input.PdfDataSource;
import at.gv.egiz.pdfas.impl.input.ByteArrayPdfDataSourceImpl;
+import at.gv.egiz.pdfas.utils.PDFASUtils;
import org.pdfbox.pdfparser.PDFParser;
import org.pdfbox.pdmodel.PDDocument;
@@ -44,7 +45,7 @@ import com.lowagie.text.DocumentException; /**
* Contains useful helpers for accessing PDF documents.
- *
+ *
* @author wprinz
* @author mruhmer
*/
@@ -52,12 +53,13 @@ public abstract class PDFUtilities {
public static float calculatePageLength(final PdfDataSource pdfDataSource, int page, float effectivePageHeight, int pagerotation) throws PDFDocumentException
{
+ PDDocument pdfDocument_ = null;
try
{
//ByteArrayInputStream original_bais = new ByteArrayInputStream(pdf);
//byte [] normalized_pdf = TextualSignature.normalizePDF(original_bais);
byte [] normalized_pdf = TextualSignature.normalizePDF(pdfDataSource);
-
+
// PERF: The whole PDF normalization process is costy
ByteArrayInputStream bais = new ByteArrayInputStream(normalized_pdf);
@@ -66,9 +68,8 @@ public abstract class PDFUtilities parser.setTempDirectory(temporary_dir);
parser.parse();
- PDDocument pdfDocument_ = parser.getPDDocument();
+ pdfDocument_ = parser.getPDDocument();
float page_length = calculatePageLength(pdfDocument_, page, effectivePageHeight, pagerotation);
- pdfDocument_.close();
return page_length;
}
catch (IOException e)
@@ -78,8 +79,10 @@ public abstract class PDFUtilities catch (DocumentException e)
{
throw new PDFDocumentException(201, e);
+ } finally {
+ PDFASUtils.closeQuietly(pdfDocument_);
}
- }
+ }
public static float calculatePageLength(PDDocument document, int page, float effectivePageHeight, int pagerotation) throws IOException
{
//int last_page_id = document.getNumberOfPages();
@@ -87,8 +90,8 @@ public abstract class PDFUtilities PDPage pdpage = (PDPage) allPages.get(page);
pdpage.setRotation(pagerotation);
return calculatePageLength(pdpage, effectivePageHeight);
- }
-
+ }
+
/**
* @deprecated
* @param pdf
@@ -98,12 +101,13 @@ public abstract class PDFUtilities */
public static float calculateLastPageLength(final byte[] pdf, float effectivePageHeight) throws PDFDocumentException
{
+ PDDocument pdfDocument_ = null;
try
{
//ByteArrayInputStream original_bais = new ByteArrayInputStream(pdf);
PdfDataSource dataSource = new ByteArrayPdfDataSourceImpl(pdf);
byte [] normalized_pdf = TextualSignature.normalizePDF(dataSource);
-
+
ByteArrayInputStream bais = new ByteArrayInputStream(normalized_pdf);
PDFParser parser = new PDFParser(bais);
@@ -111,9 +115,8 @@ public abstract class PDFUtilities parser.setTempDirectory(temporary_dir);
parser.parse();
- PDDocument pdfDocument_ = parser.getPDDocument();
+ pdfDocument_ = parser.getPDDocument();
float last_page_length = calculateLastPageLength(pdfDocument_, effectivePageHeight);
- pdfDocument_.close();
return last_page_length;
}
@@ -124,6 +127,8 @@ public abstract class PDFUtilities catch (DocumentException e)
{
throw new PDFDocumentException(201, e);
+ } finally {
+ PDFASUtils.closeQuietly(pdfDocument_);
}
}
diff --git a/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/StructContentHelper.java b/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/StructContentHelper.java index a9c1c54..deb5fed 100644 --- a/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/StructContentHelper.java +++ b/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/StructContentHelper.java @@ -173,9 +173,8 @@ public class StructContentHelper implements StructContentWriter { }
} catch (Exception ex) {
- logger.error("error", ex);
- throw new PresentableException(ErrorCode.CANNOT_WRITE_PDF,
- "error writing structured signature content", ex);
+ logger.warn("Unable to process structured document data. Going to write untagged signature block.", ex);
+ isTagged = false;
}
}
@@ -471,16 +470,38 @@ public class StructContentHelper implements StructContentWriter { }
}
- private void checkTagging() {
- PdfDictionary markDict = stamper.getReader().getCatalog().getAsDict(PdfName.MARKINFO);
- if (markDict != null) {
- isTagged = markDict.getAsBoolean(PdfName.MARKED).booleanValue();
- }
- if (!isTagged) {
- logger.debug("input document is not tagged. no structure/wai information is written");
- }
- logger.debug("Input is tagged. Writing structure/WAI data.");
- }
+ private void checkTagging() {
+ PdfDictionary markDict = stamper.getReader().getCatalog().getAsDict(PdfName.MARKINFO);
+ if (markDict != null) {
+ isTagged = markDict.getAsBoolean(PdfName.MARKED).booleanValue();
+ }
+ if (!isTagged) {
+ logger.debug("Input document is not tagged. No structure data will be attached to signature block.");
+ } else {
+ logger.trace("Document claims to be tagged. Checking availability of structured tree root.");
+ PdfDictionary structTreeRoot;
+ if ((structTreeRoot = getStructTreeRoot()) == null) {
+ // document claimed to be tagged but document does not contain structural information
+ isTagged = false;
+ logger.debug("Document claims to be tagged structured tree root was not found.");
+ } else if (getParentTreeNums() == null) {
+ // document claimed to be tagged but document does not contain structural information
+ isTagged = false;
+ logger.debug("Document claims to be tagged but required information is missing.");
+ } else if (structTreeRoot.getDirectObject(PdfName.K) == null) {
+ // structured content
+ isTagged = false;
+ logger.debug("Document claims to be tagged but required information is missing.");
+ } else {
+ logger.debug("Input is tagged and required structure data seems to be available. Going to write structured signature block.");
+ }
+ if (!isTagged) {
+ logger.info("Unable to process structured document data. Going to write untagged signature block.");
+ }
+ }
+ }
+
+
diff --git a/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/TextualSignature.java b/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/TextualSignature.java index 35a0768..3ce690b 100644 --- a/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/TextualSignature.java +++ b/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/TextualSignature.java @@ -53,7 +53,7 @@ import com.lowagie.text.pdf.PdfWriter; /**
* Contains helper function for textual signatures.
- *
+ *
* @author wprinz
*/
public class TextualSignature
@@ -62,21 +62,22 @@ public class TextualSignature * The logger definition.
*/
private static final Logger logger_ = ConfigLogger.getLogger(TextualSignature.class);
-
+
/**
* Extracts the document text from a given pdf.
- *
+ *
* @param pdf_stream
* The pdf_input stream.
* @return Returns the extracted document text.
- * @throws PDFDocumentException
+ * @throws PDFDocumentException
* @throws TextExtractionException
* Forwarded exception.
*/
- public static String extractTextTextual(PdfDataSource pdfDataSource, String encoding) throws PDFDocumentException
+ public static String extractTextTextual(PdfDataSource pdfDataSource, String encoding) throws PDFDocumentException
{
PerformanceCounters.textExtractions.increment();
-
+ PDDocument doc = null;
+ Document document = null;
try
{
int first_page_rotation = 0;
@@ -90,12 +91,8 @@ public class TextualSignature // byte[] bytes = normalizePDF(pdf_stream);
- //iText
-
- byte [] pdf_data = pdfDataSource.getAsByteArray();
- PdfReader reader = new PdfReader(pdf_data);
- PDFASUtils.checkReaderPermissions(reader);
- //pdf_stream.close();
+
+ PdfReader reader = PDFASUtils.createPdfReaderCheckingPermissions(pdfDataSource);
// PERF: PDF normalization needs byte array - this is costy
ByteArrayOutputStream baos = new ByteArrayOutputStream(4096);
@@ -108,7 +105,7 @@ public class TextualSignature // this method (although it works when a Table is appended)... very
// fragile.
- Document document = new Document();
+ document = new Document();
PdfWriter writer = PdfWriter.getInstance(document, baos);
document.open();
@@ -126,7 +123,7 @@ public class TextualSignature first_page_rotation = new_size_withrot.getRotation();
//logger_.info("iText first_page_rotation="+new_size_withrot.getRotation());
}
- //logger_.info("iText set PageSize of page:"+page_num+" to: "+new_size_withrot);
+ //logger_.info("iText set PageSize of page:"+page_num+" to: "+new_size_withrot);
//document.setPageSize(new_size);
document.setPageSize(new_size_withrot);
document.newPage();
@@ -163,15 +160,15 @@ public class TextualSignature //logger_.info("temporary_dir="+temporary_dir.getAbsolutePath());
parser.setTempDirectory(temporary_dir);
parser.parse();
-
- PDDocument doc = parser.getPDDocument();
+
+ doc = parser.getPDDocument();
//System.out.println("pdfBox.getNumberOfPages()"+doc.getNumberOfPages());
-
+
PDFTextStripper stripper = new PDFTextStripper();
stripper.setSortByPosition(false);
stripper.setGetFirstPageRotationFromThis(true);
stripper.setFirstPageRotation(first_page_rotation);
-
+
// stripper.setStartPage(4);
// stripper.setEndPage(4);
logger_.debug("TextualSignator extractTextTextual: Begin stripping text");
@@ -182,8 +179,7 @@ public class TextualSignature throw new PDFDocumentException(ErrorCode.TEXT_EXTRACTION_EXCEPTION, "Unable to extract textual content.", e);
}
logger_.debug("TextualSignator extractTextTextual: Stripping text ended");
-
- doc.close();
+
//logger_.debug("TextualSignator extractTextTextual="+text);
return text;
@@ -199,39 +195,39 @@ public class TextualSignature catch (DocumentException e)
{
throw new PDFDocumentException(ErrorCode.DOCUMENT_CANNOT_BE_READ, e);
+ } finally {
+ PDFASUtils.closeQuietly(doc);
+ PDFASUtils.closeQuietly(document);
}
}
-
+
/**
* Normalizes a given binary PDF to a version PDFbox can handle correctly.
- *
+ *
* <p>
* PDFbox has serious problems with documents that use incremental updates or
* XObject forms. Therefor use this to remove incremental updates and create a
* streamlined document.
* </p>
- *
+ *
* <p>
* Note that this has nothing to do with text normalization. It just unifies
* the PDF documents that are fed into PDFbox for text extraction and page
* length determination.
* </p>
- *
+ *
* @param input_pdf
* The input pdf to be normalized.
* @return Returns the normalized pdf.
* @throws IOException
* @throws DocumentException
- * @throws PDFDocumentException
+ * @throws PDFDocumentException
*/
public static byte[] normalizePDF(PdfDataSource pdfDataSource) throws IOException, DocumentException, PDFDocumentException
{
//iText
- byte [] pdf_data = pdfDataSource.getAsByteArray();
- PdfReader reader = new PdfReader(pdf_data);
- PDFASUtils.checkReaderPermissions(reader);
- //input_pdf.close();
-
+ PdfReader reader = PDFASUtils.createPdfReaderCheckingPermissions(pdfDataSource);
+
// PERF: PDF Normalization needs byte array
ByteArrayOutputStream baos = new ByteArrayOutputStream();
// For some reason the Reader -> ImportPage -> Writer mechanism produces
diff --git a/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/PathConstructionOperatorProcessor.java b/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/PathConstructionOperatorProcessor.java new file mode 100644 index 0000000..143a6b6 --- /dev/null +++ b/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/PathConstructionOperatorProcessor.java @@ -0,0 +1,62 @@ +/**
+ * <copyright> Copyright 2006 by Know-Center, Graz, Austria </copyright>
+ * PDF-AS has been contracted by the E-Government Innovation Center EGIZ, a
+ * joint initiative of the Federal Chancellery Austria and Graz University of
+ * Technology.
+ *
+ * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by
+ * the European Commission - subsequent versions of the EUPL (the "Licence");
+ * You may not use this work except in compliance with the Licence.
+ * You may obtain a copy of the Licence at:
+ * http://www.osor.eu/eupl/
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the Licence is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the Licence for the specific language governing permissions and
+ * limitations under the Licence.
+ *
+ * This product combines work with different licenses. See the "NOTICE" text
+ * file for details on the various modules and licenses.
+ * The "NOTICE" text file is part of the distribution. Any derivative works
+ * that you distribute must include a readable copy of the "NOTICE" text file.
+ */
+package at.knowcenter.wag.egov.egiz.pdf.operator.path;
+
+import java.awt.geom.Point2D;
+
+import org.pdfbox.util.operator.OperatorProcessor;
+
+import at.knowcenter.wag.egov.egiz.pdf.PDFPage;
+
+/**
+ * Provides functions for path construction operators.
+ *
+ * @see "PDF 1.7 specification, Section 8.5.2 'Path Construction Operators'"
+ * @author Datentechnik Innovation GmbH
+ *
+ */
+public abstract class PathConstructionOperatorProcessor extends OperatorProcessor {
+
+ public PathConstructionOperatorProcessor(PDFPage context) {
+ setContext(context);
+ }
+
+ /**
+ * Transforms the given point from user space coordinates to device space coordinates based on the current
+ * transition matrix.
+ *
+ * @param x
+ * The x axis value of the user space coordinates.
+ * @param y
+ * The y axis value of the user space coordinates.
+ * @return The transformed point.
+ */
+ public Point2D transform(double x, double y) {
+ double[] position = { x, y };
+ context.getGraphicsState().getCurrentTransformationMatrix().createAffineTransform()
+ .transform(position, 0, position, 0, 1);
+ return new Point2D.Double(position[0], position[1]);
+ }
+
+}
diff --git a/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/PathPaintingOperatorProcessor.java b/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/PathPaintingOperatorProcessor.java new file mode 100644 index 0000000..9a76f87 --- /dev/null +++ b/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/PathPaintingOperatorProcessor.java @@ -0,0 +1,43 @@ +/**
+ * <copyright> Copyright 2006 by Know-Center, Graz, Austria </copyright>
+ * PDF-AS has been contracted by the E-Government Innovation Center EGIZ, a
+ * joint initiative of the Federal Chancellery Austria and Graz University of
+ * Technology.
+ *
+ * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by
+ * the European Commission - subsequent versions of the EUPL (the "Licence");
+ * You may not use this work except in compliance with the Licence.
+ * You may obtain a copy of the Licence at:
+ * http://www.osor.eu/eupl/
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the Licence is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the Licence for the specific language governing permissions and
+ * limitations under the Licence.
+ *
+ * This product combines work with different licenses. See the "NOTICE" text
+ * file for details on the various modules and licenses.
+ * The "NOTICE" text file is part of the distribution. Any derivative works
+ * that you distribute must include a readable copy of the "NOTICE" text file.
+ */
+package at.knowcenter.wag.egov.egiz.pdf.operator.path;
+
+import org.pdfbox.util.operator.OperatorProcessor;
+
+import at.knowcenter.wag.egov.egiz.pdf.PDFPage;
+
+/**
+ * Provides functions for path painting operators.
+ *
+ * @see "PDF 1.7 specification, Section 8.5.2 'Path Construction Operators'"
+ * @author Datentechnik Innovation GmbH
+ *
+ */
+public abstract class PathPaintingOperatorProcessor extends OperatorProcessor {
+
+ public PathPaintingOperatorProcessor(PDFPage context) {
+ setContext(context);
+ }
+
+}
diff --git a/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/construction/ClosePath.java b/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/construction/ClosePath.java new file mode 100644 index 0000000..ea87887 --- /dev/null +++ b/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/construction/ClosePath.java @@ -0,0 +1,68 @@ +/**
+ * <copyright> Copyright 2006 by Know-Center, Graz, Austria </copyright>
+ * PDF-AS has been contracted by the E-Government Innovation Center EGIZ, a
+ * joint initiative of the Federal Chancellery Austria and Graz University of
+ * Technology.
+ *
+ * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by
+ * the European Commission - subsequent versions of the EUPL (the "Licence");
+ * You may not use this work except in compliance with the Licence.
+ * You may obtain a copy of the Licence at:
+ * http://www.osor.eu/eupl/
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the Licence is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the Licence for the specific language governing permissions and
+ * limitations under the Licence.
+ *
+ * This product combines work with different licenses. See the "NOTICE" text
+ * file for details on the various modules and licenses.
+ * The "NOTICE" text file is part of the distribution. Any derivative works
+ * that you distribute must include a readable copy of the "NOTICE" text file.
+ */
+package at.knowcenter.wag.egov.egiz.pdf.operator.path.construction;
+
+import java.io.IOException;
+import java.util.List;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.pdfbox.util.PDFOperator;
+
+import at.knowcenter.wag.egov.egiz.pdf.PDFPage;
+import at.knowcenter.wag.egov.egiz.pdf.operator.path.PathConstructionOperatorProcessor;
+
+/**
+ * Close the current subpath by appending a straight line segment from the current point to the starting point of the
+ * subpath. If the current subpath is already closed, h shall donothing. This operator terminates the current subpath.
+ * Appending another segment to the current path shall begin a new subpath, even if the new segment begins at the
+ * endpoint reached by the h operation.
+ *
+ * @see "PDF 1.7 specification, Section 8.5.2 'Path Construction Operators'"
+ * @author PdfBox, modified by Datentechnik Innovation GmbH
+ */
+public class ClosePath extends PathConstructionOperatorProcessor {
+
+ private Log log = LogFactory.getLog(getClass());
+
+ public ClosePath(PDFPage context) {
+ super(context);
+ }
+
+ @Override
+ public void process(PDFOperator operator, List operands) throws IOException {
+ try {
+ PDFPage pdfPage = (PDFPage) context;
+
+ pdfPage.getCurrentPath().closePath();
+
+ if (log.isTraceEnabled()) {
+ log.trace("Closing current path.");
+ }
+ } catch (Exception e) {
+ log.warn("Error processing operator 'h'.", e);
+ }
+ }
+
+}
diff --git a/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/construction/CurveTo.java b/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/construction/CurveTo.java new file mode 100644 index 0000000..a2fc8de --- /dev/null +++ b/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/construction/CurveTo.java @@ -0,0 +1,85 @@ +/**
+ * <copyright> Copyright 2006 by Know-Center, Graz, Austria </copyright>
+ * PDF-AS has been contracted by the E-Government Innovation Center EGIZ, a
+ * joint initiative of the Federal Chancellery Austria and Graz University of
+ * Technology.
+ *
+ * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by
+ * the European Commission - subsequent versions of the EUPL (the "Licence");
+ * You may not use this work except in compliance with the Licence.
+ * You may obtain a copy of the Licence at:
+ * http://www.osor.eu/eupl/
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the Licence is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the Licence for the specific language governing permissions and
+ * limitations under the Licence.
+ *
+ * This product combines work with different licenses. See the "NOTICE" text
+ * file for details on the various modules and licenses.
+ * The "NOTICE" text file is part of the distribution. Any derivative works
+ * that you distribute must include a readable copy of the "NOTICE" text file.
+ */
+package at.knowcenter.wag.egov.egiz.pdf.operator.path.construction;
+
+import java.awt.geom.Point2D;
+import java.io.IOException;
+import java.util.List;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.pdfbox.cos.COSNumber;
+import org.pdfbox.util.PDFOperator;
+
+import at.knowcenter.wag.egov.egiz.pdf.PDFPage;
+import at.knowcenter.wag.egov.egiz.pdf.operator.path.PathConstructionOperatorProcessor;
+
+/**
+ * Append a cubic Bezier curve to the current path. The curve shall extend from the current point to the point (x3, y3),
+ * using (x1, y1) and (x2, y2) as the Bezier control points (see 8.5.2.2, "Cubic Bezier Curves"). The new current point
+ * shall be (x3, y3).
+ *
+ * @see "PDF 1.7 specification, Section 8.5.2 'Path Construction Operators'"
+ * @author PdfBox, modified by Datentechnik Innovation GmbH
+ */
+public class CurveTo extends PathConstructionOperatorProcessor {
+
+ private Log log = LogFactory.getLog(getClass());
+
+ public CurveTo(PDFPage context) {
+ super(context);
+ }
+
+ @Override
+ public void process(PDFOperator operator, List operands) throws IOException {
+ try {
+ PDFPage pdfPage = (PDFPage) context;
+
+ COSNumber x1 = (COSNumber) operands.get(0);
+ COSNumber y1 = (COSNumber) operands.get(1);
+ COSNumber x2 = (COSNumber) operands.get(2);
+ COSNumber y2 = (COSNumber) operands.get(3);
+ COSNumber x3 = (COSNumber) operands.get(4);
+ COSNumber y3 = (COSNumber) operands.get(5);
+
+ Point2D p1 = transform(x1.doubleValue(), y1.doubleValue());
+ Point2D p2 = transform(x2.doubleValue(), y2.doubleValue());
+ Point2D p3 = transform(x3.doubleValue(), y3.doubleValue());
+
+ pdfPage.getCurrentPath().curveTo(
+ (float) p1.getX(), (float) p1.getY(),
+ (float) p2.getX(), (float) p2.getY(),
+ (float) p3.getX(), (float) p3.getY()
+ );
+
+ if (log.isTraceEnabled()) {
+ log.trace("Appending cubic Bezier curve with x1:" + p1.getX() + ",y1:" + p1.getY() + ", x2:"
+ + p2.getX() + ",y2:" + p2.getY() + ", x3:" + p3.getX() + ",y3:" + p3.getY());
+ }
+ } catch (Exception e) {
+ log.warn("Error processing operator 'c'.", e);
+ }
+ }
+
+}
diff --git a/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/construction/CurveToReplicateFinalPoint.java b/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/construction/CurveToReplicateFinalPoint.java new file mode 100644 index 0000000..bb5c86c --- /dev/null +++ b/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/construction/CurveToReplicateFinalPoint.java @@ -0,0 +1,82 @@ +/**
+ * <copyright> Copyright 2006 by Know-Center, Graz, Austria </copyright>
+ * PDF-AS has been contracted by the E-Government Innovation Center EGIZ, a
+ * joint initiative of the Federal Chancellery Austria and Graz University of
+ * Technology.
+ *
+ * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by
+ * the European Commission - subsequent versions of the EUPL (the "Licence");
+ * You may not use this work except in compliance with the Licence.
+ * You may obtain a copy of the Licence at:
+ * http://www.osor.eu/eupl/
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the Licence is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the Licence for the specific language governing permissions and
+ * limitations under the Licence.
+ *
+ * This product combines work with different licenses. See the "NOTICE" text
+ * file for details on the various modules and licenses.
+ * The "NOTICE" text file is part of the distribution. Any derivative works
+ * that you distribute must include a readable copy of the "NOTICE" text file.
+ */
+package at.knowcenter.wag.egov.egiz.pdf.operator.path.construction;
+
+import java.awt.geom.Point2D;
+import java.io.IOException;
+import java.util.List;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.pdfbox.cos.COSNumber;
+import org.pdfbox.util.PDFOperator;
+
+import at.knowcenter.wag.egov.egiz.pdf.PDFPage;
+import at.knowcenter.wag.egov.egiz.pdf.operator.path.PathConstructionOperatorProcessor;
+
+/**
+ * Append a cubic Bezier curve to the current path. The curve shall extend from the current point to the point (x3, y3),
+ * using (x1, y1) and (x3, y3) as the Bezier control points (see 8.5.2.2, "Cubic Bezier Curves"). The new current point
+ * shall be (x3, y3).
+ *
+ * @see "PDF 1.7 specification, Section 8.5.2 'Path Construction Operators'"
+ * @author PdfBox, modified by Datentechnik Innovation GmbH
+ */
+public class CurveToReplicateFinalPoint extends PathConstructionOperatorProcessor {
+
+ private Log log = LogFactory.getLog(getClass());
+
+ public CurveToReplicateFinalPoint(PDFPage context) {
+ super(context);
+ }
+
+ @Override
+ public void process(PDFOperator operator, List operands) throws IOException {
+ try {
+ PDFPage pdfPage = (PDFPage) context;
+
+ COSNumber x1 = (COSNumber) operands.get(0);
+ COSNumber y1 = (COSNumber) operands.get(1);
+ COSNumber x3 = (COSNumber) operands.get(2);
+ COSNumber y3 = (COSNumber) operands.get(3);
+
+ Point2D p1 = transform(x1.doubleValue(), y1.doubleValue());
+ Point2D p3 = transform(x3.doubleValue(), y3.doubleValue());
+
+ pdfPage.getCurrentPath().curveTo(
+ (float) p1.getX(), (float) p1.getY(),
+ (float) p3.getX(), (float) p3.getY(),
+ (float) p3.getX(), (float) p3.getY()
+ );
+
+ if (log.isTraceEnabled()) {
+ log.trace("Appending cubic Bezier curve with x1:" + p1.getX() + ",y1:" + p1.getY() + ", x3:"
+ + p3.getX() + ",y3:" + p3.getY());
+ }
+ } catch (Exception e) {
+ log.warn("Error processing operator 'y'.", e);
+ }
+ }
+
+}
diff --git a/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/construction/CurveToReplicateInitialPoint.java b/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/construction/CurveToReplicateInitialPoint.java new file mode 100644 index 0000000..b35bcaf --- /dev/null +++ b/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/construction/CurveToReplicateInitialPoint.java @@ -0,0 +1,84 @@ +/**
+ * <copyright> Copyright 2006 by Know-Center, Graz, Austria </copyright>
+ * PDF-AS has been contracted by the E-Government Innovation Center EGIZ, a
+ * joint initiative of the Federal Chancellery Austria and Graz University of
+ * Technology.
+ *
+ * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by
+ * the European Commission - subsequent versions of the EUPL (the "Licence");
+ * You may not use this work except in compliance with the Licence.
+ * You may obtain a copy of the Licence at:
+ * http://www.osor.eu/eupl/
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the Licence is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the Licence for the specific language governing permissions and
+ * limitations under the Licence.
+ *
+ * This product combines work with different licenses. See the "NOTICE" text
+ * file for details on the various modules and licenses.
+ * The "NOTICE" text file is part of the distribution. Any derivative works
+ * that you distribute must include a readable copy of the "NOTICE" text file.
+ */
+package at.knowcenter.wag.egov.egiz.pdf.operator.path.construction;
+
+import java.awt.geom.Point2D;
+import java.io.IOException;
+import java.util.List;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.pdfbox.cos.COSNumber;
+import org.pdfbox.util.PDFOperator;
+
+import at.knowcenter.wag.egov.egiz.pdf.PDFPage;
+import at.knowcenter.wag.egov.egiz.pdf.operator.path.PathConstructionOperatorProcessor;
+
+/**
+ * Append a cubic Bezier curve to the current path. The curve shall extend from the current point to the point (x3, y3),
+ * using the current point and (x2, y2) as the Bezier control points (see 8.5.2.2, "Cubic Bezier Curves"). The new
+ * current point shall be (x3, y3).
+ *
+ * @see "PDF 1.7 specification, Section 8.5.2 'Path Construction Operators'"
+ * @author PdfBox, modified by Datentechnik Innovation GmbH
+ */
+public class CurveToReplicateInitialPoint extends PathConstructionOperatorProcessor {
+
+ private Log log = LogFactory.getLog(getClass());
+
+ public CurveToReplicateInitialPoint(PDFPage context) {
+ super(context);
+ }
+
+ @Override
+ public void process(PDFOperator operator, List operands) throws IOException {
+ try {
+ PDFPage pdfPage = (PDFPage) context;
+
+ COSNumber x2 = (COSNumber) operands.get(0);
+ COSNumber y2 = (COSNumber) operands.get(1);
+ COSNumber x3 = (COSNumber) operands.get(2);
+ COSNumber y3 = (COSNumber) operands.get(3);
+
+ Point2D currentPoint = pdfPage.getCurrentPath().getCurrentPoint();
+ Point2D p2 = transform(x2.doubleValue(), y2.doubleValue());
+ Point2D p3 = transform(x3.doubleValue(), y3.doubleValue());
+
+ pdfPage.getCurrentPath().curveTo(
+ (float)currentPoint.getX(), (float)currentPoint.getY(),
+ (float) p2.getX(), (float) p2.getY(),
+ (float) p3.getX(), (float) p3.getY()
+ );
+
+ if (log.isTraceEnabled()) {
+ log.trace("Appending cubic Bezier curve with x2:" + p2.getX() + ",y2:" + p2.getY() + ", x3:"
+ + p3.getX() + ",y3:" + p3.getY() + ", using current point x:" + currentPoint.getX() + ",y:"
+ + currentPoint.getY());
+ }
+ } catch (Exception e) {
+ log.warn("Error processing operator 'v'.", e);
+ }
+ }
+
+}
diff --git a/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/construction/LineTo.java b/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/construction/LineTo.java new file mode 100644 index 0000000..ae5894d --- /dev/null +++ b/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/construction/LineTo.java @@ -0,0 +1,71 @@ +/**
+ * <copyright> Copyright 2006 by Know-Center, Graz, Austria </copyright>
+ * PDF-AS has been contracted by the E-Government Innovation Center EGIZ, a
+ * joint initiative of the Federal Chancellery Austria and Graz University of
+ * Technology.
+ *
+ * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by
+ * the European Commission - subsequent versions of the EUPL (the "Licence");
+ * You may not use this work except in compliance with the Licence.
+ * You may obtain a copy of the Licence at:
+ * http://www.osor.eu/eupl/
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the Licence is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the Licence for the specific language governing permissions and
+ * limitations under the Licence.
+ *
+ * This product combines work with different licenses. See the "NOTICE" text
+ * file for details on the various modules and licenses.
+ * The "NOTICE" text file is part of the distribution. Any derivative works
+ * that you distribute must include a readable copy of the "NOTICE" text file.
+ */
+package at.knowcenter.wag.egov.egiz.pdf.operator.path.construction;
+
+import java.awt.geom.Point2D;
+import java.io.IOException;
+import java.util.List;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.pdfbox.cos.COSNumber;
+import org.pdfbox.util.PDFOperator;
+
+import at.knowcenter.wag.egov.egiz.pdf.PDFPage;
+import at.knowcenter.wag.egov.egiz.pdf.operator.path.PathConstructionOperatorProcessor;
+
+/**
+ * Append a straight line segment from the current point to the point (x, y). The new current point shall be (x, y).
+ *
+ * @see "PDF 1.7 specification, Section 8.5.2 'Path Construction Operators'"
+ * @author PdfBox, modified by Datentechnik Innovation GmbH
+ */
+public class LineTo extends PathConstructionOperatorProcessor {
+
+ private Log log = LogFactory.getLog(getClass());
+
+ public LineTo(PDFPage context) {
+ super(context);
+ }
+
+ @Override
+ public void process(PDFOperator operator, List operands) throws IOException {
+ try {
+ PDFPage pdfPage = (PDFPage) context;
+
+ COSNumber x = (COSNumber) operands.get(0);
+ COSNumber y = (COSNumber) operands.get(1);
+ Point2D p = transform(x.doubleValue(), y.doubleValue());
+
+ pdfPage.getCurrentPath().lineTo((float) p.getX(), (float) p.getY());
+
+ if (log.isTraceEnabled()) {
+ log.trace("Adding line to x:" + p.getX() + ",y:" + p.getY());
+ }
+ } catch (Exception e) {
+ log.warn("Error processing operator 'l'.", e);
+ }
+ }
+
+}
diff --git a/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/construction/MoveTo.java b/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/construction/MoveTo.java new file mode 100644 index 0000000..b43de2e --- /dev/null +++ b/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/construction/MoveTo.java @@ -0,0 +1,73 @@ +/**
+ * <copyright> Copyright 2006 by Know-Center, Graz, Austria </copyright>
+ * PDF-AS has been contracted by the E-Government Innovation Center EGIZ, a
+ * joint initiative of the Federal Chancellery Austria and Graz University of
+ * Technology.
+ *
+ * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by
+ * the European Commission - subsequent versions of the EUPL (the "Licence");
+ * You may not use this work except in compliance with the Licence.
+ * You may obtain a copy of the Licence at:
+ * http://www.osor.eu/eupl/
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the Licence is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the Licence for the specific language governing permissions and
+ * limitations under the Licence.
+ *
+ * This product combines work with different licenses. See the "NOTICE" text
+ * file for details on the various modules and licenses.
+ * The "NOTICE" text file is part of the distribution. Any derivative works
+ * that you distribute must include a readable copy of the "NOTICE" text file.
+ */
+package at.knowcenter.wag.egov.egiz.pdf.operator.path.construction;
+
+import java.awt.geom.Point2D;
+import java.io.IOException;
+import java.util.List;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.pdfbox.cos.COSNumber;
+import org.pdfbox.util.PDFOperator;
+
+import at.knowcenter.wag.egov.egiz.pdf.PDFPage;
+import at.knowcenter.wag.egov.egiz.pdf.operator.path.PathConstructionOperatorProcessor;
+
+/**
+ * Begin a new subpath by moving the current point to coordinates (x, y), omitting any connecting line segment. If the
+ * previous path construction operator in the current path was also m, the new m overrides it; no vestige of the
+ * previous m operation remains in the path.
+ *
+ * @see "PDF 1.7 specification, Section 8.5.2 'Path Construction Operators'"
+ * @author PdfBox, modified by Datentechnik Innovation GmbH
+ */
+public class MoveTo extends PathConstructionOperatorProcessor {
+
+ private Log log = LogFactory.getLog(getClass());
+
+ public MoveTo(PDFPage context) {
+ super(context);
+ }
+
+ @Override
+ public void process(PDFOperator operator, List operands) throws IOException {
+ try {
+ PDFPage pdfPage = (PDFPage) context;
+
+ COSNumber x = (COSNumber) operands.get(0);
+ COSNumber y = (COSNumber) operands.get(1);
+ Point2D p = transform(x.doubleValue(), y.doubleValue());
+
+ pdfPage.getCurrentPath().moveTo((float) p.getX(), (float) p.getY());
+
+ if (log.isTraceEnabled()) {
+ log.trace("Moving current path to x:" + p.getX() + ",y:" + p.getY());
+ }
+ } catch (Exception e) {
+ log.warn("Error processing operator 'm'.", e);
+ }
+ }
+
+}
diff --git a/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/painting/CloseAndStrokePath.java b/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/painting/CloseAndStrokePath.java new file mode 100644 index 0000000..54f4af8 --- /dev/null +++ b/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/painting/CloseAndStrokePath.java @@ -0,0 +1,59 @@ +/**
+ * <copyright> Copyright 2006 by Know-Center, Graz, Austria </copyright>
+ * PDF-AS has been contracted by the E-Government Innovation Center EGIZ, a
+ * joint initiative of the Federal Chancellery Austria and Graz University of
+ * Technology.
+ *
+ * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by
+ * the European Commission - subsequent versions of the EUPL (the "Licence");
+ * You may not use this work except in compliance with the Licence.
+ * You may obtain a copy of the Licence at:
+ * http://www.osor.eu/eupl/
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the Licence is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the Licence for the specific language governing permissions and
+ * limitations under the Licence.
+ *
+ * This product combines work with different licenses. See the "NOTICE" text
+ * file for details on the various modules and licenses.
+ * The "NOTICE" text file is part of the distribution. Any derivative works
+ * that you distribute must include a readable copy of the "NOTICE" text file.
+ */
+package at.knowcenter.wag.egov.egiz.pdf.operator.path.painting;
+
+import java.io.IOException;
+import java.util.List;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.pdfbox.util.PDFOperator;
+
+import at.knowcenter.wag.egov.egiz.pdf.PDFPage;
+import at.knowcenter.wag.egov.egiz.pdf.operator.path.PathPaintingOperatorProcessor;
+
+/**
+ * Close and stroke the path. This operator shall have the same effect as the sequence <code>h S</code>.
+ *
+ * @see "PDF 1.7 specification, Section 8.5.3 'Path-Painting Operators'"
+ * @author PdfBox, modified by Datentechnik Innovation GmbH
+ */
+public class CloseAndStrokePath extends PathPaintingOperatorProcessor {
+
+ private Log log = LogFactory.getLog(getClass());
+
+ public CloseAndStrokePath(PDFPage context) {
+ super(context);
+ }
+
+ @Override
+ public void process(PDFOperator operator, List operands) throws IOException {
+ if (log.isTraceEnabled()) {
+ log.trace("Closing and stroking path.");
+ }
+ context.processOperator("h", operands);
+ context.processOperator("S", operands);
+ }
+
+}
diff --git a/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/painting/CloseFillEvenOddAndStrokePath.java b/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/painting/CloseFillEvenOddAndStrokePath.java new file mode 100644 index 0000000..6a84cf4 --- /dev/null +++ b/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/painting/CloseFillEvenOddAndStrokePath.java @@ -0,0 +1,60 @@ +/**
+ * <copyright> Copyright 2006 by Know-Center, Graz, Austria </copyright>
+ * PDF-AS has been contracted by the E-Government Innovation Center EGIZ, a
+ * joint initiative of the Federal Chancellery Austria and Graz University of
+ * Technology.
+ *
+ * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by
+ * the European Commission - subsequent versions of the EUPL (the "Licence");
+ * You may not use this work except in compliance with the Licence.
+ * You may obtain a copy of the Licence at:
+ * http://www.osor.eu/eupl/
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the Licence is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the Licence for the specific language governing permissions and
+ * limitations under the Licence.
+ *
+ * This product combines work with different licenses. See the "NOTICE" text
+ * file for details on the various modules and licenses.
+ * The "NOTICE" text file is part of the distribution. Any derivative works
+ * that you distribute must include a readable copy of the "NOTICE" text file.
+ */
+package at.knowcenter.wag.egov.egiz.pdf.operator.path.painting;
+
+import java.io.IOException;
+import java.util.List;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.pdfbox.util.PDFOperator;
+
+import at.knowcenter.wag.egov.egiz.pdf.PDFPage;
+import at.knowcenter.wag.egov.egiz.pdf.operator.path.PathPaintingOperatorProcessor;
+
+/**
+ * Close, fill, and then stroke the path, using the even-odd rule to determine the region to fill. This operator shall
+ * have the same effect as the sequence <code>h B*</code>.
+ *
+ * @see "PDF 1.7 specification, Section 8.5.3 'Path-Painting Operators'"
+ * @author PdfBox, modified by Datentechnik Innovation GmbH
+ */
+public class CloseFillEvenOddAndStrokePath extends PathPaintingOperatorProcessor {
+
+ private Log log = LogFactory.getLog(getClass());
+
+ public CloseFillEvenOddAndStrokePath(PDFPage context) {
+ super(context);
+ }
+
+ @Override
+ public void process(PDFOperator operator, List operands) throws IOException {
+ if (log.isTraceEnabled()) {
+ log.trace("Closing, filling (even odd rule) and stroking path.");
+ }
+ context.processOperator("h", operands);
+ context.processOperator("B*", operands);
+ }
+
+}
diff --git a/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/painting/CloseFillNonZeroAndStrokePath.java b/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/painting/CloseFillNonZeroAndStrokePath.java new file mode 100644 index 0000000..f8db567 --- /dev/null +++ b/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/painting/CloseFillNonZeroAndStrokePath.java @@ -0,0 +1,60 @@ +/**
+ * <copyright> Copyright 2006 by Know-Center, Graz, Austria </copyright>
+ * PDF-AS has been contracted by the E-Government Innovation Center EGIZ, a
+ * joint initiative of the Federal Chancellery Austria and Graz University of
+ * Technology.
+ *
+ * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by
+ * the European Commission - subsequent versions of the EUPL (the "Licence");
+ * You may not use this work except in compliance with the Licence.
+ * You may obtain a copy of the Licence at:
+ * http://www.osor.eu/eupl/
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the Licence is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the Licence for the specific language governing permissions and
+ * limitations under the Licence.
+ *
+ * This product combines work with different licenses. See the "NOTICE" text
+ * file for details on the various modules and licenses.
+ * The "NOTICE" text file is part of the distribution. Any derivative works
+ * that you distribute must include a readable copy of the "NOTICE" text file.
+ */
+package at.knowcenter.wag.egov.egiz.pdf.operator.path.painting;
+
+import java.io.IOException;
+import java.util.List;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.pdfbox.util.PDFOperator;
+
+import at.knowcenter.wag.egov.egiz.pdf.PDFPage;
+import at.knowcenter.wag.egov.egiz.pdf.operator.path.PathPaintingOperatorProcessor;
+
+/**
+ * Close, fill, and then stroke the path, using the nonzero winding number rule to determine the region to fill. This
+ * operator shall have the same effect as the sequence <code>h B</code>.
+ *
+ * @see "PDF 1.7 specification, Section 8.5.3 'Path-Painting Operators'"
+ * @author PdfBox, modified by Datentechnik Innovation GmbH
+ */
+public class CloseFillNonZeroAndStrokePath extends PathPaintingOperatorProcessor {
+
+ private Log log = LogFactory.getLog(getClass());
+
+ public CloseFillNonZeroAndStrokePath(PDFPage context) {
+ super(context);
+ }
+
+ @Override
+ public void process(PDFOperator operator, List operands) throws IOException {
+ if (log.isTraceEnabled()) {
+ log.trace("Closing, filling (non zero rule) and stroking path.");
+ }
+ context.processOperator("h", operands);
+ context.processOperator("B", operands);
+ }
+
+}
diff --git a/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/painting/EndPath.java b/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/painting/EndPath.java new file mode 100644 index 0000000..4448a1e --- /dev/null +++ b/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/painting/EndPath.java @@ -0,0 +1,68 @@ +/**
+ * <copyright> Copyright 2006 by Know-Center, Graz, Austria </copyright>
+ * PDF-AS has been contracted by the E-Government Innovation Center EGIZ, a
+ * joint initiative of the Federal Chancellery Austria and Graz University of
+ * Technology.
+ *
+ * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by
+ * the European Commission - subsequent versions of the EUPL (the "Licence");
+ * You may not use this work except in compliance with the Licence.
+ * You may obtain a copy of the Licence at:
+ * http://www.osor.eu/eupl/
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the Licence is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the Licence for the specific language governing permissions and
+ * limitations under the Licence.
+ *
+ * This product combines work with different licenses. See the "NOTICE" text
+ * file for details on the various modules and licenses.
+ * The "NOTICE" text file is part of the distribution. Any derivative works
+ * that you distribute must include a readable copy of the "NOTICE" text file.
+ */
+package at.knowcenter.wag.egov.egiz.pdf.operator.path.painting;
+
+import java.io.IOException;
+import java.util.List;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.pdfbox.util.PDFOperator;
+
+import at.knowcenter.wag.egov.egiz.pdf.PDFPage;
+import at.knowcenter.wag.egov.egiz.pdf.operator.path.PathPaintingOperatorProcessor;
+
+/**
+ * End the path object without filling or stroking it. This operator shall be a path-painting no-op, used primarily for
+ * the side effect of changing the current clipping path.
+ *
+ * @see "PDF 1.7 specification, Section 8.5.3 'Path-Painting Operators'"
+ * @author PdfBox, modified by Datentechnik Innovation GmbH
+ */
+public class EndPath extends PathPaintingOperatorProcessor {
+
+ private Log log = LogFactory.getLog(getClass());
+
+ public EndPath(PDFPage context) {
+ super(context);
+ }
+
+ @Override
+ public void process(PDFOperator operator, List operands) throws IOException {
+ try {
+ PDFPage pdfPage = (PDFPage) context;
+
+ log.debug("Ending path " + pdfPage.getCurrentPath());
+ pdfPage.getCurrentPath().reset();
+
+ if (log.isTraceEnabled()) {
+ log.trace("End path without filling or stroking.");
+ }
+
+ } catch (Exception e) {
+ log.warn("Error processing operator 'n'.", e);
+ }
+ }
+
+}
diff --git a/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/painting/FillEvenOddAndStrokePath.java b/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/painting/FillEvenOddAndStrokePath.java new file mode 100644 index 0000000..8a42dff --- /dev/null +++ b/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/painting/FillEvenOddAndStrokePath.java @@ -0,0 +1,72 @@ +/**
+ * <copyright> Copyright 2006 by Know-Center, Graz, Austria </copyright>
+ * PDF-AS has been contracted by the E-Government Innovation Center EGIZ, a
+ * joint initiative of the Federal Chancellery Austria and Graz University of
+ * Technology.
+ *
+ * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by
+ * the European Commission - subsequent versions of the EUPL (the "Licence");
+ * You may not use this work except in compliance with the Licence.
+ * You may obtain a copy of the Licence at:
+ * http://www.osor.eu/eupl/
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the Licence is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the Licence for the specific language governing permissions and
+ * limitations under the Licence.
+ *
+ * This product combines work with different licenses. See the "NOTICE" text
+ * file for details on the various modules and licenses.
+ * The "NOTICE" text file is part of the distribution. Any derivative works
+ * that you distribute must include a readable copy of the "NOTICE" text file.
+ */
+package at.knowcenter.wag.egov.egiz.pdf.operator.path.painting;
+
+import java.awt.geom.GeneralPath;
+import java.io.IOException;
+import java.util.List;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.pdfbox.util.PDFOperator;
+
+import at.knowcenter.wag.egov.egiz.pdf.PDFPage;
+import at.knowcenter.wag.egov.egiz.pdf.operator.path.PathPaintingOperatorProcessor;
+
+/**
+ * Fill and then stroke the path, using the even-odd rule to determine the region to fill. This operator shall produce
+ * the same result as <code>B</code>, except that the path is filled as if with <code>f*</code> instead of
+ * <code>f</code>.
+ *
+ * @see "PDF 1.7 specification, Section 8.5.3 'Path-Painting Operators'"
+ * @author PdfBox, modified by Datentechnik Innovation GmbH
+ */
+public class FillEvenOddAndStrokePath extends PathPaintingOperatorProcessor {
+
+ private Log log = LogFactory.getLog(getClass());
+
+ public FillEvenOddAndStrokePath(PDFPage context) {
+ super(context);
+ }
+
+ @Override
+ public void process(PDFOperator operator, List operands) throws IOException {
+ try {
+ PDFPage pdfPage = (PDFPage) context;
+
+ if (log.isTraceEnabled()) {
+ log.trace("Filling (even odd rule) and stroking path.");
+ }
+
+ GeneralPath currentPath = (GeneralPath) pdfPage.getCurrentPath().clone();
+ context.processOperator("f*", operands);
+ pdfPage.setCurrentPath(currentPath);
+ context.processOperator("S", operands);
+
+ } catch (Exception e) {
+ log.warn("Error processing operator 'B*'.", e);
+ }
+ }
+
+}
diff --git a/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/painting/FillNonZeroAndStrokePath.java b/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/painting/FillNonZeroAndStrokePath.java new file mode 100644 index 0000000..96025ed --- /dev/null +++ b/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/painting/FillNonZeroAndStrokePath.java @@ -0,0 +1,72 @@ +/**
+ * <copyright> Copyright 2006 by Know-Center, Graz, Austria </copyright>
+ * PDF-AS has been contracted by the E-Government Innovation Center EGIZ, a
+ * joint initiative of the Federal Chancellery Austria and Graz University of
+ * Technology.
+ *
+ * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by
+ * the European Commission - subsequent versions of the EUPL (the "Licence");
+ * You may not use this work except in compliance with the Licence.
+ * You may obtain a copy of the Licence at:
+ * http://www.osor.eu/eupl/
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the Licence is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the Licence for the specific language governing permissions and
+ * limitations under the Licence.
+ *
+ * This product combines work with different licenses. See the "NOTICE" text
+ * file for details on the various modules and licenses.
+ * The "NOTICE" text file is part of the distribution. Any derivative works
+ * that you distribute must include a readable copy of the "NOTICE" text file.
+ */
+package at.knowcenter.wag.egov.egiz.pdf.operator.path.painting;
+
+import java.awt.geom.GeneralPath;
+import java.io.IOException;
+import java.util.List;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.pdfbox.util.PDFOperator;
+
+import at.knowcenter.wag.egov.egiz.pdf.PDFPage;
+import at.knowcenter.wag.egov.egiz.pdf.operator.path.PathPaintingOperatorProcessor;
+
+/**
+ * Fill and then stroke the path, using the nonzero winding number rule to determine the region to fill. This operator
+ * shall produce the same result as constructing two identical path objects, painting the first with <code>f</code> and
+ * the second with <code>S</code>.
+ *
+ * @see "PDF 1.7 specification, Section 8.5.3 'Path-Painting Operators'"
+ * @author PdfBox, modified by Datentechnik Innovation GmbH
+ */
+public class FillNonZeroAndStrokePath extends PathPaintingOperatorProcessor {
+
+ private Log log = LogFactory.getLog(getClass());
+
+ public FillNonZeroAndStrokePath(PDFPage context) {
+ super(context);
+ }
+
+ @Override
+ public void process(PDFOperator operator, List operands) throws IOException {
+ try {
+ PDFPage pdfPage = (PDFPage) context;
+
+ if (log.isTraceEnabled()) {
+ log.trace("Filling (non zero rule) and stroking path.");
+ }
+
+ GeneralPath currentPath = (GeneralPath) pdfPage.getCurrentPath().clone();
+ context.processOperator("f", operands);
+ pdfPage.setCurrentPath(currentPath);
+ context.processOperator("S", operands);
+
+ } catch (Exception e) {
+ log.warn("Error processing operator 'B'.", e);
+ }
+ }
+
+}
diff --git a/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/painting/FillPathEvenOddRule.java b/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/painting/FillPathEvenOddRule.java new file mode 100644 index 0000000..c6417ea --- /dev/null +++ b/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/painting/FillPathEvenOddRule.java @@ -0,0 +1,71 @@ +/**
+ * <copyright> Copyright 2006 by Know-Center, Graz, Austria </copyright>
+ * PDF-AS has been contracted by the E-Government Innovation Center EGIZ, a
+ * joint initiative of the Federal Chancellery Austria and Graz University of
+ * Technology.
+ *
+ * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by
+ * the European Commission - subsequent versions of the EUPL (the "Licence");
+ * You may not use this work except in compliance with the Licence.
+ * You may obtain a copy of the Licence at:
+ * http://www.osor.eu/eupl/
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the Licence is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the Licence for the specific language governing permissions and
+ * limitations under the Licence.
+ *
+ * This product combines work with different licenses. See the "NOTICE" text
+ * file for details on the various modules and licenses.
+ * The "NOTICE" text file is part of the distribution. Any derivative works
+ * that you distribute must include a readable copy of the "NOTICE" text file.
+ */
+package at.knowcenter.wag.egov.egiz.pdf.operator.path.painting;
+
+import java.awt.Rectangle;
+import java.io.IOException;
+import java.util.List;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.pdfbox.util.PDFOperator;
+
+import at.knowcenter.wag.egov.egiz.pdf.PDFPage;
+import at.knowcenter.wag.egov.egiz.pdf.operator.path.PathPaintingOperatorProcessor;
+
+/**
+ * Fill the path, using the even-odd rule to determine the region to fill.
+ *
+ * @see "PDF 1.7 specification, Section 8.5.3 'Path-Painting Operators'"
+ * @author PdfBox, modified by Datentechnik Innovation GmbH
+ */
+public class FillPathEvenOddRule extends PathPaintingOperatorProcessor {
+
+ private Log log = LogFactory.getLog(getClass());
+
+ public FillPathEvenOddRule(PDFPage context) {
+ super(context);
+ }
+
+ @Override
+ public void process(PDFOperator operator, List operands) throws IOException {
+ try {
+ PDFPage pdfPage = (PDFPage) context;
+
+ pdfPage.getCurrentPath().setWindingRule(java.awt.geom.GeneralPath.WIND_EVEN_ODD);
+ Rectangle bounds = pdfPage.getCurrentPath().getBounds();
+ pdfPage.getCurrentPath().reset();
+
+ if (log.isTraceEnabled()) {
+ log.trace("Filling path, using even-odd rule.");
+ }
+
+ pdfPage.registerPathBounds(bounds);
+
+ } catch (Exception e) {
+ log.warn("Error processing operator 'f*'.", e);
+ }
+ }
+
+}
diff --git a/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/painting/FillPathNonZeroWindingNumberRule.java b/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/painting/FillPathNonZeroWindingNumberRule.java new file mode 100644 index 0000000..b350009 --- /dev/null +++ b/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/painting/FillPathNonZeroWindingNumberRule.java @@ -0,0 +1,72 @@ +/**
+ * <copyright> Copyright 2006 by Know-Center, Graz, Austria </copyright>
+ * PDF-AS has been contracted by the E-Government Innovation Center EGIZ, a
+ * joint initiative of the Federal Chancellery Austria and Graz University of
+ * Technology.
+ *
+ * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by
+ * the European Commission - subsequent versions of the EUPL (the "Licence");
+ * You may not use this work except in compliance with the Licence.
+ * You may obtain a copy of the Licence at:
+ * http://www.osor.eu/eupl/
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the Licence is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the Licence for the specific language governing permissions and
+ * limitations under the Licence.
+ *
+ * This product combines work with different licenses. See the "NOTICE" text
+ * file for details on the various modules and licenses.
+ * The "NOTICE" text file is part of the distribution. Any derivative works
+ * that you distribute must include a readable copy of the "NOTICE" text file.
+ */
+package at.knowcenter.wag.egov.egiz.pdf.operator.path.painting;
+
+import java.awt.Rectangle;
+import java.io.IOException;
+import java.util.List;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.pdfbox.util.PDFOperator;
+
+import at.knowcenter.wag.egov.egiz.pdf.PDFPage;
+import at.knowcenter.wag.egov.egiz.pdf.operator.path.PathPaintingOperatorProcessor;
+
+/**
+ * Fill the path, using the nonzero winding number rule to determine the region to fill. Any subpaths that are open
+ * shall be implicitly closed before being filled.
+ *
+ * @see "PDF 1.7 specification, Section 8.5.3 'Path-Painting Operators'"
+ * @author PdfBox, modified by Datentechnik Innovation GmbH
+ */
+public class FillPathNonZeroWindingNumberRule extends PathPaintingOperatorProcessor {
+
+ private Log log = LogFactory.getLog(getClass());
+
+ public FillPathNonZeroWindingNumberRule(PDFPage context) {
+ super(context);
+ }
+
+ @Override
+ public void process(PDFOperator operator, List operands) throws IOException {
+ try {
+ PDFPage pdfPage = (PDFPage) context;
+
+ pdfPage.getCurrentPath().setWindingRule(java.awt.geom.GeneralPath.WIND_NON_ZERO);
+ Rectangle bounds = pdfPage.getCurrentPath().getBounds();
+ pdfPage.getCurrentPath().reset();
+
+ if (log.isTraceEnabled()) {
+ log.trace("Filling path, using nonzero winding number rule.");
+ }
+
+ pdfPage.registerPathBounds(bounds);
+
+ } catch (Exception e) {
+ log.warn("Error processing operator 'f/F'.", e);
+ }
+ }
+
+}
diff --git a/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/painting/StrokePath.java b/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/painting/StrokePath.java new file mode 100644 index 0000000..9dfce7e --- /dev/null +++ b/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/pdf/operator/path/painting/StrokePath.java @@ -0,0 +1,70 @@ +/**
+ * <copyright> Copyright 2006 by Know-Center, Graz, Austria </copyright>
+ * PDF-AS has been contracted by the E-Government Innovation Center EGIZ, a
+ * joint initiative of the Federal Chancellery Austria and Graz University of
+ * Technology.
+ *
+ * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by
+ * the European Commission - subsequent versions of the EUPL (the "Licence");
+ * You may not use this work except in compliance with the Licence.
+ * You may obtain a copy of the Licence at:
+ * http://www.osor.eu/eupl/
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the Licence is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the Licence for the specific language governing permissions and
+ * limitations under the Licence.
+ *
+ * This product combines work with different licenses. See the "NOTICE" text
+ * file for details on the various modules and licenses.
+ * The "NOTICE" text file is part of the distribution. Any derivative works
+ * that you distribute must include a readable copy of the "NOTICE" text file.
+ */
+package at.knowcenter.wag.egov.egiz.pdf.operator.path.painting;
+
+import java.awt.Rectangle;
+import java.io.IOException;
+import java.util.List;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.pdfbox.util.PDFOperator;
+
+import at.knowcenter.wag.egov.egiz.pdf.PDFPage;
+import at.knowcenter.wag.egov.egiz.pdf.operator.path.PathPaintingOperatorProcessor;
+
+/**
+ * Strokes the path.
+ *
+ * @see "PDF 1.7 specification, Section 8.5.3 'Path-Painting Operators'"
+ * @author PdfBox, modified by Datentechnik Innovation GmbH
+ */
+public class StrokePath extends PathPaintingOperatorProcessor {
+
+ private Log log = LogFactory.getLog(getClass());
+
+ public StrokePath(PDFPage context) {
+ super(context);
+ }
+
+ @Override
+ public void process(PDFOperator operator, List operands) throws IOException {
+ try {
+ PDFPage pdfPage = (PDFPage) context;
+
+ Rectangle bounds = pdfPage.getCurrentPath().getBounds();
+ pdfPage.getCurrentPath().reset();
+
+ if (log.isTraceEnabled()) {
+ log.trace("Stroking path.");
+ }
+
+ pdfPage.registerPathBounds(bounds);
+
+ } catch (Exception e) {
+ log.warn("Error processing operator 'S'.", e);
+ }
+ }
+
+}
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