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Diffstat (limited to 'pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/stamping/pdfbox/PDFAsVisualSignatureBuilder.java')
-rw-r--r--pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/stamping/pdfbox/PDFAsVisualSignatureBuilder.java345
1 files changed, 320 insertions, 25 deletions
diff --git a/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/stamping/pdfbox/PDFAsVisualSignatureBuilder.java b/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/stamping/pdfbox/PDFAsVisualSignatureBuilder.java
index 496bc0d8..cd4abdf9 100644
--- a/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/stamping/pdfbox/PDFAsVisualSignatureBuilder.java
+++ b/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/stamping/pdfbox/PDFAsVisualSignatureBuilder.java
@@ -1,16 +1,33 @@
package at.gv.egiz.pdfas.lib.impl.stamping.pdfbox;
+import java.awt.geom.AffineTransform;
import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
import java.util.ArrayList;
+import java.util.List;
+import org.apache.pdfbox.cos.COSArray;
+import org.apache.pdfbox.cos.COSDictionary;
import org.apache.pdfbox.cos.COSName;
import org.apache.pdfbox.pdmodel.PDDocument;
import org.apache.pdfbox.pdmodel.PDPage;
+import org.apache.pdfbox.pdmodel.PDResources;
+import org.apache.pdfbox.pdmodel.common.PDRectangle;
import org.apache.pdfbox.pdmodel.common.PDStream;
import org.apache.pdfbox.pdmodel.edit.PDPageContentStream;
import org.apache.pdfbox.pdmodel.font.PDType1Font;
+import org.apache.pdfbox.pdmodel.graphics.xobject.PDJpeg;
+import org.apache.pdfbox.pdmodel.graphics.xobject.PDXObjectForm;
+import org.apache.pdfbox.pdmodel.interactive.annotation.PDAppearanceDictionary;
+import org.apache.pdfbox.pdmodel.interactive.annotation.PDAppearanceStream;
+import org.apache.pdfbox.pdmodel.interactive.digitalsignature.PDSignature;
+import org.apache.pdfbox.pdmodel.interactive.digitalsignature.visible.PDFTemplateStructure;
import org.apache.pdfbox.pdmodel.interactive.digitalsignature.visible.PDVisibleSigBuilder;
import org.apache.pdfbox.pdmodel.interactive.digitalsignature.visible.PDVisibleSignDesigner;
+import org.apache.pdfbox.pdmodel.interactive.form.PDAcroForm;
+import org.apache.pdfbox.pdmodel.interactive.form.PDField;
+import org.apache.pdfbox.pdmodel.interactive.form.PDSignatureField;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
@@ -120,6 +137,15 @@ public class PDFAsVisualSignatureBuilder extends PDVisibleSigBuilder {
}
@Override
+ public void createProcSetArray() {
+ COSArray procSetArr = new COSArray();
+ procSetArr.add(COSName.getPDFName("PDF"));
+ procSetArr.add(COSName.getPDFName("Text"));
+ getStructure().setProcSet(procSetArr);
+ logger.info("ProcSet array has been created");
+ }
+
+ @Override
public void createTemplate(PDPage page) throws IOException {
PDDocument template = new PDDocument();
@@ -144,30 +170,299 @@ public class PDFAsVisualSignatureBuilder extends PDVisibleSigBuilder {
e.printStackTrace();
}
}
+
+ @Override
+ public void injectProcSetArray(PDXObjectForm innerForm, PDPage page,
+ PDResources innerFormResources, PDResources imageFormResources,
+ PDResources holderFormResources, COSArray procSet) {
+ innerForm.getResources().getCOSDictionary()
+ .setItem(COSName.PROC_SET, procSet); //
+ page.getCOSDictionary().setItem(COSName.PROC_SET, procSet);
+ innerFormResources.getCOSDictionary()
+ .setItem(COSName.PROC_SET, procSet);
+ /*imageFormResources.getCOSDictionary()
+ .setItem(COSName.PROC_SET, procSet);*/
+ holderFormResources.getCOSDictionary().setItem(COSName.PROC_SET,
+ procSet);
+ logger.info("inserted ProcSet to PDF");
+ }
+
+ public void injectAppearanceStreams(PDStream holderFormStream,
+ PDStream innterFormStream, PDStream imageFormStream,
+ String imageObjectName, String imageName, String innerFormName,
+ PDFAsVisualSignatureDesigner properties) throws IOException {
+
+ // 100 means that document width is 100% via the rectangle. if rectangle
+ // is 500px, images 100% is 500px.
+ // String imgFormComment = "q "+imageWidthSize+ " 0 0 50 0 0 cm /" +
+ // imageName + " Do Q\n" + builder.toString();
+ /*String imgFormComment = "q " + 100 + " 0 0 50 0 0 cm /" + imageName
+ + " Do Q\n";*/
+ String holderFormComment = "q 1 0 0 1 0 0 cm /" + innerFormName
+ + " Do Q \n";
+ // String innerFormComment = "q 1 0 0 1 0 0 cm /" + imageObjectName +
+ // " Do Q\n";
+ String innerFormComment = getStructure().getInnterFormStream()
+ .getInputStreamAsString();
+
+ logger.info("Inner Form Stream: " + innerFormComment);
+
+ // appendRawCommands(getStructure().getInnterFormStream().createOutputStream(),
+ // getStructure().getInnterFormStream().getInputStreamAsString());
+
+ appendRawCommands(getStructure().getHolderFormStream()
+ .createOutputStream(), holderFormComment);
+ appendRawCommands(getStructure().getInnterFormStream()
+ .createOutputStream(), innerFormComment);
+ // appendRawCommands(getStructure().getImageFormStream().createOutputStream(),
+ // imgFormComment);
+ logger.info("Injected apereance stream to pdf");
+
+ }
+
+ public void createPage(PDFAsVisualSignatureDesigner properties)
+ {
+ PDPage page = new PDPage();
+ page.setMediaBox(new PDRectangle(properties.getPageWidth(), properties.getPageHeight()));
+ getStructure().setPage(page);
+ logger.info("PDF page has been created");
+ }
+
+ public void createAcroForm(PDDocument template)
+ {
+ PDAcroForm theAcroForm = new PDAcroForm(template);
+ template.getDocumentCatalog().setAcroForm(theAcroForm);
+ getStructure().setAcroForm(theAcroForm);
+ logger.info("Acro form page has been created");
+
+ }
+
+ public void createSignatureField(PDAcroForm acroForm) throws IOException
+ {
+ PDSignatureField sf = new PDSignatureField(acroForm);
+ getStructure().setSignatureField(sf);
+ logger.info("Signature field has been created");
+ }
+
+ public void createSignature(PDSignatureField pdSignatureField, PDPage page, String signatureName)
+ throws IOException
+ {
+ PDSignature pdSignature = new PDSignature();
+ pdSignatureField.setSignature(pdSignature);
+ pdSignatureField.getWidget().setPage(page);
+ page.getAnnotations().add(pdSignatureField.getWidget());
+ pdSignature.setName(signatureName);
+ pdSignature.setByteRange(new int[] { 0, 0, 0, 0 });
+ pdSignature.setContents(new byte[4096]);
+ getStructure().setPdSignature(pdSignature);
+ logger.info("PDSignatur has been created");
+ }
+
+ public void createAcroFormDictionary(PDAcroForm acroForm, PDSignatureField signatureField) throws IOException
+ {
+ @SuppressWarnings("unchecked")
+ List<PDField> acroFormFields = acroForm.getFields();
+ COSDictionary acroFormDict = acroForm.getDictionary();
+ acroFormDict.setDirect(true);
+ acroFormDict.setInt(COSName.SIG_FLAGS, 3);
+ acroFormFields.add(signatureField);
+ acroFormDict.setString(COSName.DA, "/sylfaen 0 Tf 0 g");
+ getStructure().setAcroFormFields(acroFormFields);
+ getStructure().setAcroFormDictionary(acroFormDict);
+ logger.info("AcroForm dictionary has been created");
+ }
+
+ public void createSignatureRectangle(PDSignatureField signatureField, PDFAsVisualSignatureDesigner properties)
+ throws IOException
+ {
+
+ PDRectangle rect = new PDRectangle();
+ rect.setUpperRightX(properties.getxAxis() + properties.getWidth());
+ rect.setUpperRightY(properties.getPageHeight() - properties.getyAxis());
+ rect.setLowerLeftY(properties.getPageHeight() - properties.getyAxis() - properties.getHeight());
+ rect.setLowerLeftX(properties.getxAxis());
+ signatureField.getWidget().setRectangle(rect);
+ getStructure().setSignatureRectangle(rect);
+ logger.info("rectangle of signature has been created");
+ }
+
+ public void createAffineTransform(byte[] params)
+ {
+ AffineTransform transform = new AffineTransform(params[0], params[1], params[2], params[3], params[4],
+ params[5]);
+ getStructure().setAffineTransform(transform);
+ logger.info("Matrix has been added");
+ }
+
+ public void createSignatureImage(PDDocument template, InputStream inputStream) throws IOException
+ {
+ PDJpeg img = new PDJpeg(template, inputStream);
+ getStructure().setJpedImage(img);
+ logger.info("Visible Signature Image has been created");
+ // pdfStructure.setTemplate(template);
+ inputStream.close();
+
+ }
+
+ public void createFormaterRectangle(byte[] params)
+ {
+
+ PDRectangle formrect = new PDRectangle();
+ formrect.setUpperRightX(params[0]);
+ formrect.setUpperRightY(params[1]);
+ formrect.setLowerLeftX(params[2]);
+ formrect.setLowerLeftY(params[3]);
+
+ getStructure().setFormaterRectangle(formrect);
+ logger.info("Formater rectangle has been created");
+
+ }
+
+ public void createHolderFormStream(PDDocument template)
+ {
+ PDStream holderForm = new PDStream(template);
+ getStructure().setHolderFormStream(holderForm);
+ logger.info("Holder form Stream has been created");
+ }
+
+ public void createHolderFormResources()
+ {
+ PDResources holderFormResources = new PDResources();
+ getStructure().setHolderFormResources(holderFormResources);
+ logger.info("Holder form resources have been created");
+
+ }
+
+ public void createHolderForm(PDResources holderFormResources, PDStream holderFormStream, PDRectangle formrect)
+ {
+
+ PDXObjectForm holderForm = new PDXObjectForm(holderFormStream);
+ holderForm.setResources(holderFormResources);
+ holderForm.setBBox(formrect);
+ holderForm.setFormType(1);
+ getStructure().setHolderForm(holderForm);
+ logger.info("Holder form has been created");
+
+ }
+
+ public void createAppearanceDictionary(PDXObjectForm holderForml, PDSignatureField signatureField)
+ throws IOException
+ {
+
+ PDAppearanceDictionary appearance = new PDAppearanceDictionary();
+ appearance.getCOSObject().setDirect(true);
+
+ PDAppearanceStream appearanceStream = new PDAppearanceStream(holderForml.getCOSStream());
+
+ appearance.setNormalAppearance(appearanceStream);
+ signatureField.getWidget().setAppearance(appearance);
+
+ getStructure().setAppearanceDictionary(appearance);
+ logger.info("PDF appereance Dictionary has been created");
+
+ }
+
+ public void createInnerFormResource()
+ {
+ PDResources innerFormResources = new PDResources();
+ getStructure().setInnerFormResources(innerFormResources);
+ logger.info("Resources of another form (inner form - it would be inside holder form) have been created");
+ }
+
+ public void createInnerForm(PDResources innerFormResources, PDStream innerFormStream, PDRectangle formrect)
+ {
+ PDXObjectForm innerForm = new PDXObjectForm(innerFormStream);
+ innerForm.setResources(innerFormResources);
+ innerForm.setBBox(formrect);
+ innerForm.setFormType(1);
+ getStructure().setInnerForm(innerForm);
+ logger.info("Another form (inner form - it would be inside holder form) have been created");
+
+ }
+
+ public void insertInnerFormToHolerResources(PDXObjectForm innerForm, PDResources holderFormResources)
+ {
+ String name = holderFormResources.addXObject(innerForm, "FRM");
+ getStructure().setInnerFormName(name);
+ logger.info("Alerady inserted inner form inside holder form");
+ }
+
+ public void createImageFormStream(PDDocument template)
+ {
+ PDStream imageFormStream = new PDStream(template);
+ getStructure().setImageFormStream(imageFormStream);
+ logger.info("Created image form Stream");
+
+ }
+
+ public void createImageFormResources()
+ {
+ PDResources imageFormResources = new PDResources();
+ getStructure().setImageFormResources(imageFormResources);
+ logger.info("Created image form Resources");
+ }
+
+ public void createImageForm(PDResources imageFormResources, PDResources innerFormResource,
+ PDStream imageFormStream, PDRectangle formrect, AffineTransform affineTransform, PDJpeg img)
+ throws IOException
+ {
+
+ /*
+ * if you need text on the visible signature
+ *
+ * PDFont font = PDTrueTypeFont.loadTTF(this.pdfStructure.getTemplate(), new File("D:\\arial.ttf"));
+ * font.setFontEncoding(new WinAnsiEncoding());
+ *
+ * Map<String, PDFont> fonts = new HashMap<String, PDFont>(); fonts.put("arial", font);
+ */
+ PDXObjectForm imageForm = new PDXObjectForm(imageFormStream);
+ imageForm.setBBox(formrect);
+ imageForm.setMatrix(affineTransform);
+ imageForm.setResources(imageFormResources);
+ imageForm.setFormType(1);
+ /*
+ * imageForm.getResources().addFont(font);
+ * imageForm.getResources().setFonts(fonts);
+ */
+
+ imageFormResources.getCOSObject().setDirect(true);
+ String imageFormName = innerFormResource.addXObject(imageForm, "n");
+ String imageName = imageFormResources.addXObject(img, "img");
+ this.getStructure().setImageForm(imageForm);
+ this.getStructure().setImageFormName(imageFormName);
+ this.getStructure().setImageName(imageName);
+ logger.info("Created image form");
+ }
+
+ public void appendRawCommands(OutputStream os, String commands) throws IOException
+ {
+ os.write(commands.getBytes("UTF-8"));
+ os.close();
+ }
+
+ public void createVisualSignature(PDDocument template)
+ {
+ this.getStructure().setVisualSignature(template.getDocument());
+ logger.info("Visible signature has been created");
+
+ }
+
+ public void createWidgetDictionary(PDSignatureField signatureField, PDResources holderFormResources)
+ throws IOException
+ {
+
+ COSDictionary widgetDict = signatureField.getWidget().getDictionary();
+ widgetDict.setNeedToBeUpdate(true);
+ widgetDict.setItem(COSName.DR, holderFormResources.getCOSObject());
+
+ getStructure().setWidgetDictionary(widgetDict);
+ logger.info("WidgetDictionary has been crated");
+ }
+
+ public void closeTemplate(PDDocument template) throws IOException
+ {
+ template.close();
+ this.getStructure().getTemplate().close();
+ }
- @Override
- public void injectAppearanceStreams(PDStream holderFormStream, PDStream innterFormStream, PDStream imageFormStream,
- String imageObjectName, String imageName, String innerFormName, PDVisibleSignDesigner properties)
- throws IOException
- {
-
- // 100 means that document width is 100% via the rectangle. if rectangle
- // is 500px, images 100% is 500px.
- // String imgFormComment = "q "+imageWidthSize+ " 0 0 50 0 0 cm /" +
- // imageName + " Do Q\n" + builder.toString();
- String imgFormComment = "q " + 100 + " 0 0 50 0 0 cm /" + imageName + " Do Q\n";
- String holderFormComment = "q 1 0 0 1 0 0 cm /" + innerFormName + " Do Q \n";
- String innerFormComment = "q 1 0 0 1 0 0 cm /" + imageObjectName + " Do Q\n";
-
- logger.info("Holder Stream: " + getStructure().getInnterFormStream().getInputStreamAsString());
-
- //appendRawCommands(getStructure().getInnterFormStream().createOutputStream(),
- // getStructure().getInnterFormStream().getInputStreamAsString());
-
- appendRawCommands(getStructure().getHolderFormStream().createOutputStream(), holderFormComment);
- appendRawCommands(getStructure().getInnterFormStream().createOutputStream(), getStructure().getInnterFormStream().getInputStreamAsString());
- appendRawCommands(getStructure().getImageFormStream().createOutputStream(), imgFormComment);
- logger.info("Injected apereance stream to pdf");
-
- }
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-27 10:48:57 +0000