Java PdfArray类代码示例

import com.lowagie.text.pdf.PdfArray; //导入依赖的package包/类
public static byte[] getContentBytesFromPdfObject(PdfObject object) throws IOException {
	switch (object.type()) {
	case PdfObject.INDIRECT:
		return getContentBytesFromPdfObject(PdfReader.getPdfObject(object));
	case PdfObject.STREAM:
		return PdfReader.getStreamBytes((PRStream) PdfReader.getPdfObject(object));
	case PdfObject.ARRAY:
		ByteArrayOutputStream baos = new ByteArrayOutputStream();
		ListIterator<PdfObject> iter = ((PdfArray) object).listIterator();
		while (iter.hasNext()) {
			PdfObject element = iter.next();
			baos.write(getContentBytesFromPdfObject(element));
		}
		return baos.toByteArray();
	default:
		throw new IllegalStateException("Unsupported type: " + object.getClass().getCanonicalName());
	}
}
 

import com.lowagie.text.pdf.PdfArray; //导入依赖的package包/类
/**
 * 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);
}
 

import com.lowagie.text.pdf.PdfArray; //导入依赖的package包/类
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;
	}
}
 

import com.lowagie.text.pdf.PdfArray; //导入依赖的package包/类
public PdfArray rotateAnnotations(PdfWriter writer, Rectangle pageSize) {
    PdfArray array = new PdfArray();
    int rotation = pageSize.getRotation() % 360;
    int currentPage = writer.getCurrentPageNumber();
    for (int k = 0; k < annotations.size(); ++k) {
        PdfAnnotation dic = (PdfAnnotation)annotations.get(k);
        int page = dic.getPlaceInPage();
        if (page > currentPage) {
            delayedAnnotations.add(dic);
            continue;
        }
        if (dic.isForm()) {
            if (!dic.isUsed()) {
                HashMap templates = dic.getTemplates();
                if (templates != null)
                    acroForm.addFieldTemplates(templates);
            }
            PdfFormField field = (PdfFormField)dic;
            if (field.getParent() == null)
                acroForm.addDocumentField(field.getIndirectReference());
        }
        if (dic.isAnnotation()) {
            array.add(dic.getIndirectReference());
            if (!dic.isUsed()) {
                PdfRectangle rect = (PdfRectangle)dic.get(PdfName.RECT);
                if (rect != null) {
                	switch (rotation) {
                    	case 90:
                    		dic.put(PdfName.RECT, new PdfRectangle(
                    				pageSize.getTop() - rect.bottom(),
						rect.left(),
						pageSize.getTop() - rect.top(),
						rect.right()));
                    		break;
                    	case 180:
                    		dic.put(PdfName.RECT, new PdfRectangle(
                    				pageSize.getRight() - rect.left(),
						pageSize.getTop() - rect.bottom(),
						pageSize.getRight() - rect.right(),
						pageSize.getTop() - rect.top()));
                    		break;
                    	case 270:
                    		dic.put(PdfName.RECT, new PdfRectangle(
                    				rect.bottom(),
						pageSize.getRight() - rect.left(),
						rect.top(),
						pageSize.getRight() - rect.right()));
                    		break;
                	}
                }
            }
        }
        if (!dic.isUsed()) {
            dic.setUsed();
            try {
                writer.addToBody(dic, dic.getIndirectReference());
            }
            catch (IOException e) {
                throw new ExceptionConverter(e);
            }
        }
    }
    return array;
}
 

import com.lowagie.text.pdf.PdfArray; //导入依赖的package包/类
PdfObject getColorspace() {
    if (icc_profile != null) {
        if ((colorType & 2) == 0)
            return PdfName.DEVICEGRAY;
        else
            return PdfName.DEVICERGB;
    }
    if (gamma == 1f && !hasCHRM) {
        if ((colorType & 2) == 0)
            return PdfName.DEVICEGRAY;
        else
            return PdfName.DEVICERGB;
    }
    else {
        PdfArray array = new PdfArray();
        PdfDictionary dic = new PdfDictionary();
        if ((colorType & 2) == 0) {
            if (gamma == 1f)
                return PdfName.DEVICEGRAY;
            array.add(PdfName.CALGRAY);
            dic.put(PdfName.GAMMA, new PdfNumber(gamma));
            dic.put(PdfName.WHITEPOINT, new PdfLiteral("[1 1 1]"));
            array.add(dic);
        }
        else {
            PdfObject wp = new PdfLiteral("[1 1 1]");
            array.add(PdfName.CALRGB);
            if (gamma != 1f) {
                PdfArray gm = new PdfArray();
                PdfNumber n = new PdfNumber(gamma);
                gm.add(n);
                gm.add(n);
                gm.add(n);
                dic.put(PdfName.GAMMA, gm);
            }
            if (hasCHRM) {
                float z = yW*((xG-xB)*yR-(xR-xB)*yG+(xR-xG)*yB);
                float YA = yR*((xG-xB)*yW-(xW-xB)*yG+(xW-xG)*yB)/z;
                float XA = YA*xR/yR;
                float ZA = YA*((1-xR)/yR-1);
                float YB = -yG*((xR-xB)*yW-(xW-xB)*yR+(xW-xR)*yB)/z;
                float XB = YB*xG/yG;
                float ZB = YB*((1-xG)/yG-1);
                float YC = yB*((xR-xG)*yW-(xW-xG)*yW+(xW-xR)*yG)/z;
                float XC = YC*xB/yB;
                float ZC = YC*((1-xB)/yB-1);
                float XW = XA+XB+XC;
                float YW = 1;//YA+YB+YC;
                float ZW = ZA+ZB+ZC;
                PdfArray wpa = new PdfArray();
                wpa.add(new PdfNumber(XW));
                wpa.add(new PdfNumber(YW));
                wpa.add(new PdfNumber(ZW));
                wp = wpa;
                PdfArray matrix = new PdfArray();
                matrix.add(new PdfNumber(XA));
                matrix.add(new PdfNumber(YA));
                matrix.add(new PdfNumber(ZA));
                matrix.add(new PdfNumber(XB));
                matrix.add(new PdfNumber(YB));
                matrix.add(new PdfNumber(ZB));
                matrix.add(new PdfNumber(XC));
                matrix.add(new PdfNumber(YC));
                matrix.add(new PdfNumber(ZC));
                dic.put(PdfName.MATRIX, matrix);
            }
            dic.put(PdfName.WHITEPOINT, wp);
            array.add(dic);
        }
        return array;
    }
}
 

import com.lowagie.text.pdf.PdfArray; //导入依赖的package包/类
/**
 * 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.");
	}
}
 

import com.lowagie.text.pdf.PdfArray; //导入依赖的package包/类
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;
    }            
}
 

import com.lowagie.text.pdf.PdfArray; //导入依赖的package包/类
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));
        }
    }
}
 

import com.lowagie.text.pdf.PdfArray; //导入依赖的package包/类
private Image indexedModel(byte bdata[], int bpc, int paletteEntries) throws BadElementException {
    Image img = new ImgRaw(width, height, 1, bpc, bdata);
    PdfArray colorspace = new PdfArray();
    colorspace.add(PdfName.INDEXED);
    colorspace.add(PdfName.DEVICERGB);
    byte np[] = getPalette(paletteEntries);
    int len = np.length;
    colorspace.add(new PdfNumber(len / 3 - 1));
    colorspace.add(new PdfString(np));
    PdfDictionary ad = new PdfDictionary();
    ad.put(PdfName.COLORSPACE, colorspace);
    img.setAdditional(ad);
    return img;
}
 

import com.lowagie.text.pdf.PdfArray; //导入依赖的package包/类
/**
 * Constructs a PDF Collection Sort Dictionary.
 * @param keys	the keys of the fields that will be used to sort entries
 */
public PdfCollectionSort(String[] keys) {
	super(PdfName.COLLECTIONSORT);
	PdfArray array = new PdfArray();
	for (int i = 0; i < keys.length; i++) {
		array.add(new PdfName(keys[i]));
	}
	put(PdfName.S, array);
}
 

import com.lowagie.text.pdf.PdfArray; //导入依赖的package包/类
/**
 * Demonstrates some Layer functionality.
 * 
 */
@Test
public void main() throws Exception {

	// step 1: creation of a document-object
	Document document = new Document();
	// step 2:
	PdfWriter writer = PdfWriter.getInstance(document, PdfTestBase.getOutputStream("Layers.pdf"));
	writer.setPdfVersion(PdfWriter.VERSION_1_5);
	// step 3:
	writer.setViewerPreferences(PdfWriter.PageModeUseOC);
	document.open();
	// step 4:
	PdfContentByte cb = writer.getDirectContent();
	Phrase explanation = new Phrase("Layer grouping", new Font(Font.HELVETICA, 20, Font.BOLD, Color.red));
	ColumnText.showTextAligned(cb, Element.ALIGN_LEFT, explanation, 50, 650, 0);
	PdfLayer l1 = new PdfLayer("Layer 1", writer);
	PdfLayer l2 = new PdfLayer("Layer 2", writer);
	PdfLayer l3 = new PdfLayer("Layer 3", writer);
	PdfLayerMembership m1 = new PdfLayerMembership(writer);
	m1.addMember(l2);
	m1.addMember(l3);
	Phrase p1 = new Phrase("Text in layer 1");
	Phrase p2 = new Phrase("Text in layer 2 or layer 3");
	Phrase p3 = new Phrase("Text in layer 3");
	cb.beginLayer(l1);
	ColumnText.showTextAligned(cb, Element.ALIGN_LEFT, p1, 50, 600, 0);
	cb.endLayer();
	cb.beginLayer(m1);
	ColumnText.showTextAligned(cb, Element.ALIGN_LEFT, p2, 50, 550, 0);
	cb.endLayer();
	cb.beginLayer(l3);
	ColumnText.showTextAligned(cb, Element.ALIGN_LEFT, p3, 50, 500, 0);
	cb.endLayer();
	PdfOCProperties p = writer.getOCProperties();
	PdfArray order = new PdfArray();
	order.add(l1.getRef());
	PdfArray group = new PdfArray();
	group.add(new PdfString("A group of two", PdfObject.TEXT_UNICODE));
	group.add(l2.getRef());
	group.add(l3.getRef());
	order.add(group);
	PdfDictionary d = new PdfDictionary();
	d.put(PdfName.ORDER, order);
	p.put(PdfName.D, d);

	// step 5: we close the document
	document.close();
}
 

import com.lowagie.text.pdf.PdfArray; //导入依赖的package包/类
private byte[] readContentBytes(final PdfObject contentObject) throws IOException {
	final byte[] result;
	switch (contentObject.type()) {
	case PdfObject.INDIRECT:
		final PRIndirectReference ref = (PRIndirectReference) contentObject;
		final PdfObject directObject = PdfReader.getPdfObject(ref);
		result = readContentBytes(directObject);
		break;
	case PdfObject.STREAM:
		final PRStream stream = (PRStream) PdfReader.getPdfObject(contentObject);
		result = PdfReader.getStreamBytes(stream);
		break;
	case PdfObject.ARRAY:
		// Stitch together all content before calling processContent(),
		// because
		// processContent() resets state.
		final ByteArrayOutputStream allBytes = new ByteArrayOutputStream();
		final PdfArray contentArray = (PdfArray) contentObject;
		final ListIterator<?> iter = contentArray.listIterator();
		while (iter.hasNext()) {
			final PdfObject element = (PdfObject) iter.next();
			allBytes.write(readContentBytes(element));
		}
		result = allBytes.toByteArray();
		break;
	default:
		final String msg = "Unable to handle Content of type " + contentObject.getClass();
		throw new IllegalStateException(msg);
	}
	return result;
}
 

import com.lowagie.text.pdf.PdfArray; //导入依赖的package包/类
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;
	}
}
 

import com.lowagie.text.pdf.PdfArray; //导入依赖的package包/类
protected void createTableStartTag()
{
	PdfStructureElement tableTag = new PdfStructureElement(allTag, PdfName.TABLE);
	//pdfContentByte.beginMarkedContentSequence(tableTag);
	tableTag.put(PdfName.K, new PdfArray());
	tagStack.push(tableTag);
}
 

import com.lowagie.text.pdf.PdfArray; //导入依赖的package包/类
protected void createTrStartTag()
{
	PdfStructureElement tableRowTag = new PdfStructureElement(tagStack.peek(), PdfName.TABLEROW);
	//pdfContentByte.beginMarkedContentSequence(tableRowTag);
	tableRowTag.put(PdfName.K, new PdfArray());
	tagStack.push(tableRowTag);
}