Java Code Examples for com.lowagie.text.pdf.PdfName

/**
 * @see com.lowagie.text.pdf.PdfPageEvent#onGenericTag(com.lowagie.text.pdf.PdfWriter, com.lowagie.text.Document, com.lowagie.text.Rectangle, java.lang.String)
 */
public void onGenericTag(PdfWriter writer, Document document,
		Rectangle rect, String text) {
	rect.setBottom(rect.getBottom() - 3);
	PdfFormField field = (PdfFormField) genericChunkFields.get(text);
	if (field == null) {
		TextField tf = new TextField(writer, new Rectangle(rect.getLeft(padding), rect.getBottom(padding), rect.getRight(padding), rect.getTop(padding)), text);
		tf.setFontSize(14);
		try {
			field = tf.getTextField();
		} catch (Exception e) {
			throw new ExceptionConverter(e);
		}
	}
	else {
		field.put(PdfName.RECT,  new PdfRectangle(rect.getLeft(padding), rect.getBottom(padding), rect.getRight(padding), rect.getTop(padding)));
	}
	if (parent == null)
		writer.addAnnotation(field);
	else
		parent.addKid(field);
}
 

@Override
public void invoke(PdfContentStreamProcessor processor, PdfLiteral operator, ArrayList operands) {
	PdfName dictionaryName = (PdfName) operands.get(0);
	PdfDictionary extGState = processor.resources.getAsDict(PdfName.EXTGSTATE);
	if (extGState == null) {
		throw new IllegalArgumentException("Resources do not contain ExtGState entry. Unable to process operator " + operator);
	}
	PdfDictionary gsDic = extGState.getAsDict(dictionaryName);
	if (gsDic == null) {
		throw new IllegalArgumentException(dictionaryName + " is an unknown graphics state dictionary");
	}

	// at this point, all we care about is the FONT entry in the GS dictionary
	PdfArray fontParameter = gsDic.getAsArray(PdfName.FONT);
	if (fontParameter != null) {
		CMapAwareDocumentFont font = new CMapAwareDocumentFont((PRIndirectReference) fontParameter.getPdfObject(0));
		float size = fontParameter.getAsNumber(1).floatValue();

		processor.gs().font = font;
		processor.gs().fontSize = size;
	}
}
 

public void completeInfoDictionary(PdfDictionary info) {
    if (isPdfX() && !isPdfA1()) {
        if (info.get(PdfName.GTS_PDFXVERSION) == null) {
            if (isPdfX1A2001()) {
                info.put(PdfName.GTS_PDFXVERSION, new PdfString("PDF/X-1:2001"));
                info.put(new PdfName("GTS_PDFXConformance"), new PdfString("PDF/X-1a:2001"));
            }
            else if (isPdfX32002())
                info.put(PdfName.GTS_PDFXVERSION, new PdfString("PDF/X-3:2002"));
        }
        if (info.get(PdfName.TITLE) == null) {
            info.put(PdfName.TITLE, new PdfString("Pdf document"));
        }
        if (info.get(PdfName.CREATOR) == null) {
            info.put(PdfName.CREATOR, new PdfString("Unknown"));
        }
        if (info.get(PdfName.TRAPPED) == null) {
            info.put(PdfName.TRAPPED, new PdfName("False"));
        }
    }
}
 

/**
 * Defines the sort order of the field (ascending or descending).
 * @param ascending	an array with every element corresponding with a name of a field.
 */
public void setSortOrder(boolean[] ascending) {
	PdfObject o = get(PdfName.S);
	if (o instanceof PdfArray) {
		if (((PdfArray)o).size() != ascending.length) {
			throw new IllegalArgumentException("The number of booleans in this array doesn't correspond with the number of fields.");
		}
		PdfArray array = new PdfArray();
		for (int i = 0; i < ascending.length; i++) {
			array.add(new PdfBoolean(ascending[i]));
		}
		put(PdfName.A, array);
	}
	else {
		throw new IllegalArgumentException("You need a single boolean for this collection sort dictionary.");
	}
}
 

/**
 * Replaces CalRGB and CalGray colorspaces with DeviceRGB and DeviceGray.
 */    
public void simplifyColorspace() {
    if (additional == null)
        return;
    PdfArray value = additional.getAsArray(PdfName.COLORSPACE);
    if (value == null)
        return;
    PdfObject cs = simplifyColorspace(value);
    PdfObject newValue;
    if (cs.isName())
        newValue = cs;
    else {
        newValue = value;
        PdfName first = value.getAsName(0);
        if (PdfName.INDEXED.equals(first)) {
            if (value.size() >= 2) {
                PdfArray second = value.getAsArray(1);
                if (second != null) {
                    value.set(1, simplifyColorspace(second));
                }
            }
        }
    }
    additional.put(PdfName.COLORSPACE, newValue);
}
 

/**
   * Gets the text from a page.
   * @param page	the page number of the page
   * @return	a String with the content as plain text (without PDF syntax)
   * @throws IOException
   */
  public String getTextFromPage(int page) throws IOException {
  	int totalPages = reader.getNumberOfPages();
  	if (totalPages < page) {
  		throw new IOException("indicated page does not exists, requested page " + page + " document pages " + totalPages);
  	}
  	if (page <= 0) {
  		throw new IOException("page number must be postive:" + page);
  	}
      PdfDictionary pageDic = reader.getPageN(page);
if (pageDic == null) {
	return "";
}
      PdfDictionary resourcesDic = pageDic.getAsDict(PdfName.RESOURCES);
      extractionProcessor.processContent(getContentBytesForPage(page), resourcesDic);        
      return extractionProcessor.getResultantText();
  }
 

/**
 * Returns the PDF version as a name.
 * @param version	the version character.
 */
public PdfName getVersionAsName(char version) {
	switch(version) {
	case PdfWriter.VERSION_1_2:
		return PdfWriter.PDF_VERSION_1_2;
	case PdfWriter.VERSION_1_3:
		return PdfWriter.PDF_VERSION_1_3;
	case PdfWriter.VERSION_1_4:
		return PdfWriter.PDF_VERSION_1_4;
	case PdfWriter.VERSION_1_5:
		return PdfWriter.PDF_VERSION_1_5;
	case PdfWriter.VERSION_1_6:
		return PdfWriter.PDF_VERSION_1_6;
	case PdfWriter.VERSION_1_7:
		return PdfWriter.PDF_VERSION_1_7;
	default:
		return PdfWriter.PDF_VERSION_1_4;
	}
}
 

/**
 * Sets the value of the collection item.
 * @param n
 */
public void addItem(String key, PdfNumber n) {
	PdfName fieldname = new PdfName(key);
	PdfCollectionField field = (PdfCollectionField)schema.get(fieldname);
	if (field.fieldType == PdfCollectionField.NUMBER) {
		put(fieldname, n);
	}
}
 

/**
 * Replaces CalRGB and CalGray colorspaces with DeviceRGB and DeviceGray.
 */
public void simplifyColorspace() {
	if (additional == null) {
		return;
	}
	PdfArray value = additional.getAsArray(PdfName.COLORSPACE);
	if (value == null) {
		return;
	}
	PdfObject cs = simplifyColorspace(value);
	PdfObject newValue;
	if (cs.isName()) {
		newValue = cs;
	} else {
		newValue = value;
		PdfName first = value.getAsName(0);
		if (PdfName.INDEXED.equals(first)) {
			if (value.size() >= 2) {
				PdfArray second = value.getAsArray(1);
				if (second != null) {
					value.set(1, simplifyColorspace(second));
				}
			}
		}
	}
	additional.put(PdfName.COLORSPACE, newValue);
}
 

/**
 * Gets the text from a page.
 * @param page	the page number of the page
 * @return	a String with the content as plain text (without PDF syntax)
 * @throws IOException
 */
public String getTextFromPage(int page) throws IOException {
    PdfDictionary pageDic = reader.getPageN(page);
    PdfDictionary resourcesDic = pageDic.getAsDict(PdfName.RESOURCES);
    extractionProcessor.processContent(getContentBytesForPage(page), resourcesDic);        
    return extractionProcessor.getResultantText();
}
 

@Override
public String getStringValue(String key) {
	PdfString pdfString = wrapped.getAsString(new PdfName(key));
	if (pdfString == null) {
		return null;
	} else {
		return pdfString.toUnicodeString();
	}
}
 

/** Adds the version to the Catalog dictionary. */
public void addToCatalog(PdfDictionary catalog) {
	if(catalog_version != null) {
		catalog.put(PdfName.VERSION, catalog_version);
	}
	if (extensions != null) {
		catalog.put(PdfName.EXTENSIONS, extensions);
	}
}
 

public void completeExtraCatalog(PdfDictionary extraCatalog) {
    if (isPdfX() && !isPdfA1()) {
        if (extraCatalog.get(PdfName.OUTPUTINTENTS) == null) {
            PdfDictionary out = new PdfDictionary(PdfName.OUTPUTINTENT);
            out.put(PdfName.OUTPUTCONDITION, new PdfString("SWOP CGATS TR 001-1995"));
            out.put(PdfName.OUTPUTCONDITIONIDENTIFIER, new PdfString("CGATS TR 001"));
            out.put(PdfName.REGISTRYNAME, new PdfString("http://www.color.org"));
            out.put(PdfName.INFO, new PdfString(""));
            out.put(PdfName.S, PdfName.GTS_PDFX);
            extraCatalog.put(PdfName.OUTPUTINTENTS, new PdfArray(out));
        }
    }
}
 

/**
 * Sets the viewer preferences as the sum of several constants.
 * 
 * @param preferences
 *            the viewer preferences
 * @see PdfViewerPreferences#setViewerPreferences
 */
public void setViewerPreferences(int preferences) {
	this.pageLayoutAndMode |= preferences;
	// for backwards compatibility, it is also possible
	// to set the following viewer preferences with this method:
	if ((preferences & viewerPreferencesMask) != 0) {
		pageLayoutAndMode = ~viewerPreferencesMask & pageLayoutAndMode;
		if ((preferences & PdfWriter.HideToolbar) != 0)
			viewerPreferences.put(PdfName.HIDETOOLBAR, PdfBoolean.PDFTRUE);
		if ((preferences & PdfWriter.HideMenubar) != 0)
			viewerPreferences.put(PdfName.HIDEMENUBAR, PdfBoolean.PDFTRUE);
		if ((preferences & PdfWriter.HideWindowUI) != 0)
			viewerPreferences.put(PdfName.HIDEWINDOWUI, PdfBoolean.PDFTRUE);
		if ((preferences & PdfWriter.FitWindow) != 0)
			viewerPreferences.put(PdfName.FITWINDOW, PdfBoolean.PDFTRUE);
		if ((preferences & PdfWriter.CenterWindow) != 0)
			viewerPreferences.put(PdfName.CENTERWINDOW, PdfBoolean.PDFTRUE);
		if ((preferences & PdfWriter.DisplayDocTitle) != 0)
			viewerPreferences.put(PdfName.DISPLAYDOCTITLE, PdfBoolean.PDFTRUE);
		
		if ((preferences & PdfWriter.NonFullScreenPageModeUseNone) != 0)
			viewerPreferences.put(PdfName.NONFULLSCREENPAGEMODE, PdfName.USENONE);
		else if ((preferences & PdfWriter.NonFullScreenPageModeUseOutlines) != 0)
			viewerPreferences.put(PdfName.NONFULLSCREENPAGEMODE, PdfName.USEOUTLINES);
		else if ((preferences & PdfWriter.NonFullScreenPageModeUseThumbs) != 0)
			viewerPreferences.put(PdfName.NONFULLSCREENPAGEMODE, PdfName.USETHUMBS);
		else if ((preferences & PdfWriter.NonFullScreenPageModeUseOC) != 0)
			viewerPreferences.put(PdfName.NONFULLSCREENPAGEMODE, PdfName.USEOC);

		if ((preferences & PdfWriter.DirectionL2R) != 0)
			viewerPreferences.put(PdfName.DIRECTION, PdfName.L2R);
		else if ((preferences & PdfWriter.DirectionR2L) != 0)
			viewerPreferences.put(PdfName.DIRECTION, PdfName.R2L);

		if ((preferences & PdfWriter.PrintScalingNone) != 0)
			viewerPreferences.put(PdfName.PRINTSCALING, PdfName.NONE);			
	}
}
 

/**
 * Given a key for a viewer preference (a PdfName object),
 * this method returns the index in the VIEWER_PREFERENCES array.
 * @param key	a PdfName referring to a viewer preference
 * @return	an index in the VIEWER_PREFERENCES array
 */
private int getIndex(PdfName key) {
	for (int i = 0; i < VIEWER_PREFERENCES.length; i++) {
		if (VIEWER_PREFERENCES[i].equals(key))
			return i;
	}
	return -1;
}
 

protected void createListItemStartTag(JRPrintElement element)
{
	PdfStructureElement listItemTag = new PdfStructureElement(tagStack.peek(), PdfName.LI);
	//pdfContentByte.beginMarkedContentSequence(tableHeaderTag);
	listItemTag.put(PdfName.K, new PdfArray());
	tagStack.push(listItemTag);
	isTagEmpty = true;
}
 

protected void createTableStartTag()
{
	PdfStructureElement tableTag = new PdfStructureElement(allTag, PdfName.TABLE);
	//pdfContentByte.beginMarkedContentSequence(tableTag);
	tableTag.put(PdfName.K, new PdfArray());
	tagStack.push(tableTag);
}
 

protected void createStartHeadingTags(String prop, PdfName pdfName)
{
	if (TAG_START.equals(prop) || TAG_FULL.equals(prop))
	{
		PdfStructureElement headingTag = new PdfStructureElement(tagStack.peek(), pdfName);
		//pdfContentByte.beginMarkedContentSequence(headingTag);
		headingTag.put(PdfName.K, new PdfArray());
		tagStack.push(headingTag);
		isTagEmpty = true;
	}
}
 

/**
 * Creates a PdfCollectionField.
 * @param name		the field name
 * @param type		the field type
 */
public PdfCollectionField(String name, int type) {
	super(PdfName.COLLECTIONFIELD);
	put(PdfName.N, new PdfString(name, PdfObject.TEXT_UNICODE));
	this.fieldType = type;
	switch(type) {
	default:
		put(PdfName.SUBTYPE, PdfName.S);
		break;
	case DATE:
		put(PdfName.SUBTYPE, PdfName.D);
		break;
	case NUMBER:
		put(PdfName.SUBTYPE, PdfName.N);
		break;
	case FILENAME:
		put(PdfName.SUBTYPE, PdfName.F);
		break;
	case DESC:
		put(PdfName.SUBTYPE, PdfName.DESC);
		break;
	case MODDATE:
		put(PdfName.SUBTYPE, PdfName.MODDATE);
		break;
	case CREATIONDATE:
		put(PdfName.SUBTYPE, PdfName.CREATIONDATE);
		break;
	case SIZE:
		put(PdfName.SUBTYPE, PdfName.SIZE);
		break;
	}
}
 

/**
 * Creates dictionary referring to a target document that is the parent of the current document.
 * @param nested	null if this is the actual target, another target if this is only an intermediate target.
 */
public PdfTargetDictionary(PdfTargetDictionary nested) {
	super();
	put(PdfName.R, PdfName.P);
	if (nested != null)
		setAdditionalPath(nested);
}
 

protected void createEndHeadingTags(String prop)
{
	if (TAG_END.equals(prop) || TAG_FULL.equals(prop))
	{
		//pdfContentByte.endMarkedContentSequence(); 

		if (isTagEmpty)
		{
			pdfContentByte.beginMarkedContentSequence(new PdfStructureElement(tagStack.peek(), PdfName.SPAN));
			pdfContentByte.endMarkedContentSequence();
		}

		tagStack.pop();
	}
}
 

@Override
public String[] list() {
	Set<PdfName> keyPdfNames = wrapped.getKeys();
	String[] keys = new String[keyPdfNames.size()];
	PdfName[] array = keyPdfNames.toArray(new PdfName[keyPdfNames.size()]);
	for (int i = 0; i < array.length; i++) {
		keys[i] = PdfName.decodeName(array[i].toString());
	}
	return keys;
}
 

/**
 * Sets the value of the collection item.
 * @param value
 */
public void addItem(String key, PdfString value) {
	PdfName fieldname = new PdfName(key);
	PdfCollectionField field = (PdfCollectionField)schema.get(fieldname);
	if (field.fieldType == PdfCollectionField.TEXT) {
		put(fieldname, value);
	}
}
 

/**
 * Sets the value of the collection item.
 * @param d
 */
public void addItem(String key, PdfDate d) {
	PdfName fieldname = new PdfName(key);
	PdfCollectionField field = (PdfCollectionField)schema.get(fieldname);
	if (field.fieldType == PdfCollectionField.DATE) {
		put(fieldname, d);
	}
}
 

/**
 * Sets the value of the collection item.
 * @param n
 */
public void addItem(String key, PdfNumber n) {
	PdfName fieldname = new PdfName(key);
	PdfCollectionField field = (PdfCollectionField)schema.get(fieldname);
	if (field.fieldType == PdfCollectionField.NUMBER) {
		put(fieldname, n);
	}
}
 

/**
 * Adds a prefix for the Collection item.
 * You can only use this method after you have set the value of the item.
 * @param prefix	a prefix
 */
public void setPrefix(String key, String prefix) {
	PdfName fieldname = new PdfName(key);
	PdfObject o = get(fieldname);
	if (o == null)
		throw new IllegalArgumentException("You must set a value before adding a prefix.");
	PdfDictionary dict = new PdfDictionary(PdfName.COLLECTIONSUBITEM);
	dict.put(PdfName.D, o);
	dict.put(PdfName.P, new PdfString(prefix, PdfObject.TEXT_UNICODE));
	put(fieldname, dict);
}
 

public void onClose(ITextRenderer renderer) 
{
	PdfString creator = new PdfString("OpenBD " + cfEngine.PRODUCT_VERSION + " (" + cfEngine.BUILD_ISSUE + ")");
	renderer.getOutputDevice().getWriter().getInfo().put(PdfName.CREATOR,creator);  
	
	if (author != null)
		renderer.getOutputDevice().getWriter().getInfo().put(PdfName.AUTHOR,author);  
	if (title != null)
		renderer.getOutputDevice().getWriter().getInfo().put(PdfName.TITLE,title);  
	if (subject != null)
		renderer.getOutputDevice().getWriter().getInfo().put(PdfName.SUBJECT,subject);  
	if (keywords != null)
		renderer.getOutputDevice().getWriter().getInfo().put(PdfName.KEYWORDS,keywords);  
}
 

/**
 * Creates a PdfCollectionField.
 * @param name		the field name
 * @param type		the field type
 */
public PdfCollectionField(String name, int type) {
	super(PdfName.COLLECTIONFIELD);
	put(PdfName.N, new PdfString(name, PdfObject.TEXT_UNICODE));
	this.fieldType = type;
	switch(type) {
	default:
		put(PdfName.SUBTYPE, PdfName.S);
		break;
	case DATE:
		put(PdfName.SUBTYPE, PdfName.D);
		break;
	case NUMBER:
		put(PdfName.SUBTYPE, PdfName.N);
		break;
	case FILENAME:
		put(PdfName.SUBTYPE, PdfName.F);
		break;
	case DESC:
		put(PdfName.SUBTYPE, PdfName.DESC);
		break;
	case MODDATE:
		put(PdfName.SUBTYPE, PdfName.MODDATE);
		break;
	case CREATIONDATE:
		put(PdfName.SUBTYPE, PdfName.CREATIONDATE);
		break;
	case SIZE:
		put(PdfName.SUBTYPE, PdfName.SIZE);
		break;
	}
}
 

@Override
public PdfArray getAsArray(String name) {
	com.lowagie.text.pdf.PdfArray asArray = wrapped.getAsArray(new PdfName(
			name));
	if (asArray == null) {
		return null;
	} else {
		return new ITextPdfArray(asArray);
	}
}
 

protected void createTdStartTag(JRPrintElement element)
{
	PdfStructureElement tableCellTag = new PdfStructureElement(tagStack.peek(), PdfName.TD);
	//pdfContentByte.beginMarkedContentSequence(tableCellTag);
	tableCellTag.put(PdfName.K, new PdfArray());
	tagStack.push(tableCellTag);
	isTagEmpty = true;
	
	createSpanTags(element, tableCellTag);
}