1 files changed, 143 insertions, 0 deletions
diff --git a/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/stamping/pdfbox/PdfBoxStamper.java b/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/stamping/pdfbox/PdfBoxStamper.java
new file mode 100644
index 00000000..559c8c9b
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+++ b/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/impl/stamping/pdfbox/PdfBoxStamper.java
@@ -0,0 +1,143 @@
+package at.gv.egiz.pdfas.lib.impl.stamping.pdfbox;
+
+import java.io.InputStream;
+
+import org.apache.pdfbox.pdmodel.PDPage;
+import org.apache.pdfbox.pdmodel.common.PDRectangle;
+import org.apache.pdfbox.pdmodel.interactive.digitalsignature.visible.PDFTemplateBuilder;
+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.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import at.gv.egiz.pdfas.common.exceptions.PdfAsException;
+import at.gv.egiz.pdfas.common.settings.ISettings;
+import at.gv.egiz.pdfas.lib.impl.stamping.IPDFStamper;
+import at.gv.egiz.pdfas.lib.impl.stamping.IPDFVisualObject;
+import at.gv.egiz.pdfas.lib.impl.status.PDFObject;
+import at.knowcenter.wag.egov.egiz.pdf.PositioningInstruction;
+import at.knowcenter.wag.egov.egiz.table.Table;
+
+public class PdfBoxStamper implements IPDFStamper {
+
+	private static final Logger logger = LoggerFactory.getLogger(PdfBoxStamper.class);
+	
+	private PDFTemplateBuilder pdfBuilder;
+	
+	public PdfBoxStamper() {
+		this.pdfBuilder = new PDVisibleSigBuilder();
+	}
+	
+	/*
+	private InputStream renderTable(Table abstractTable) throws PdfAsException
+    {
+		logger.info("pdf building has been started");
+        PDFTemplateStructure pdfStructure = pdfBuilder.getStructure();
+        //pdfStructure.setIm
+        // we create array of [Text, ImageB, ImageC, ImageI]
+        this.pdfBuilder.createProcSetArray();
+         
+        //create page
+        this.pdfBuilder.createPage(properties);
+        PDPage page = pdfStructure.getPage();
+
+        //create template
+        this.pdfBuilder.createTemplate(page);
+        PDDocument template = pdfStructure.getTemplate();
+        
+        //create /AcroForm
+        this.pdfBuilder.createAcroForm(template);
+        PDAcroForm acroForm = pdfStructure.getAcroForm();
+
+        // AcroForm contains singature fields
+        this.pdfBuilder.createSignatureField(acroForm);
+        PDSignatureField pdSignatureField = pdfStructure.getSignatureField();
+        
+        // create signature
+        this.pdfBuilder.createSignature(pdSignatureField, page, properties.getSignatureFieldName());
+       
+        // that is /AcroForm/DR entry
+        this.pdfBuilder.createAcroFormDictionary(acroForm, pdSignatureField);
+        
+        // create AffineTransform
+        this.pdfBuilder.createAffineTransform(properties.getAffineTransformParams());
+        AffineTransform transform = pdfStructure.getAffineTransform();
+       
+        // rectangle, formatter, image. /AcroForm/DR/XObject contains that form
+        this.pdfBuilder.createSignatureRectangle(pdSignatureField, properties);
+        this.pdfBuilder.createFormaterRectangle(properties.getFormaterRectangleParams());
+        PDRectangle formater = pdfStructure.getFormaterRectangle();
+        this.pdfBuilder.createSignatureImage(template, properties.getImage());
+
+        // create form stream, form and  resource. 
+        this.pdfBuilder.createHolderFormStream(template);
+        PDStream holderFormStream = pdfStructure.getHolderFormStream();
+        this.pdfBuilder.createHolderFormResources();
+        PDResources holderFormResources = pdfStructure.getHolderFormResources();
+        this.pdfBuilder.createHolderForm(holderFormResources, holderFormStream, formater);
+        
+        // that is /AP entry the appearance dictionary.
+        this.pdfBuilder.createAppearanceDictionary(pdfStructure.getHolderForm(), pdSignatureField);
+        
+        // inner formstream, form and resource (hlder form containts inner form)
+        this.pdfBuilder.createInnerFormStream(template);
+        this.pdfBuilder.createInnerFormResource();
+        PDResources innerFormResource = pdfStructure.getInnerFormResources();
+        this.pdfBuilder.createInnerForm(innerFormResource, pdfStructure.getInnterFormStream(), formater);
+        PDFormXObject innerForm = pdfStructure.getInnerForm();
+       
+        // inner form must be in the holder form as we wrote
+        this.pdfBuilder.insertInnerFormToHolerResources(innerForm, holderFormResources);
+        
+        //  Image form is in this structure: /AcroForm/DR/FRM0/Resources/XObject/n0
+        this.pdfBuilder.createImageFormStream(template);
+        PDStream imageFormStream = pdfStructure.getImageFormStream();
+        this.pdfBuilder.createImageFormResources();
+        PDResources imageFormResources = pdfStructure.getImageFormResources();
+        this.pdfBuilder.createImageForm(imageFormResources, innerFormResource, imageFormStream, formater, transform,
+                pdfStructure.getImage());
+       
+        // now inject procSetArray
+        this.pdfBuilder.injectProcSetArray(innerForm, page, innerFormResource, imageFormResources, holderFormResources,
+                pdfStructure.getProcSet());
+
+        String imgFormName = pdfStructure.getImageFormName();
+        String imgName = pdfStructure.getImageName();
+        String innerFormName = pdfStructure.getInnerFormName();
+
+        // now create Streams of AP
+        this.pdfBuilder.injectAppearanceStreams(holderFormStream, imageFormStream, imageFormStream, imgFormName,
+                imgName, innerFormName, properties);
+        this.pdfBuilder.createVisualSignature(template);
+        this.pdfBuilder.createWidgetDictionary(pdSignatureField, holderFormResources);
+        
+        ByteArrayInputStream in = pdfStructure.getTemplateAppearanceStream();
+        logger.info("stream returning started, size= " + in.available());
+        
+        // we must close the document
+        template.close();
+        
+        // return result of the stream 
+        return in;
+    }
+	*/
+	
+	public IPDFVisualObject createVisualPDFObject(PDFObject pdf, Table table) {
+		
+		return null;
+	}
+
+	public byte[] writeVisualObject(IPDFVisualObject visualObject,
+			PositioningInstruction positioningInstruction, byte[] pdfData,
+			String placeholderName) throws PdfAsException {
+		// TODO Auto-generated method stub
+		return null;
+	}
+
+	public void setSettings(ISettings settings) {
+		// TODO Auto-generated method stub
+		
+	}
+
+}