Java Image.setAbsolutePosition方法代碼示例

import com.lowagie.text.Image; //導入方法依賴的package包/類
/**
 * Adds some annotated images to a PDF file.
 */
@Test
public void main() throws Exception {

	// step 1: creation of a document-object
	Document document = new Document(PageSize.A4, 50, 50, 50, 50);
	// step 2:
	// we create a writer that listens to the document
	PdfWriter.getInstance(document, PdfTestBase.getOutputStream("annotated_images.pdf"));
	// step 3: we open the document
	document.open();
	// step 4: we add some content
	Image jpeg = Image.getInstance(PdfTestBase.RESOURCES_DIR + "otsoe.jpg");
	jpeg.setAnnotation(new Annotation("picture", "This is my dog", 0, 0, 0, 0));
	jpeg.setAbsolutePosition(100f, 550f);
	document.add(jpeg);
	Image wmf = Image.getInstance(PdfTestBase.RESOURCES_DIR + "iText.wmf");
	wmf.setAnnotation(new Annotation(0, 0, 0, 0, "http://www.lowagie.com/iText"));
	wmf.setAbsolutePosition(100f, 200f);
	document.add(wmf);

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

import com.lowagie.text.Image; //導入方法依賴的package包/類
/**
 *  M�todo que permite introducir un c�digo de barras code128 que represente el texto
 * que se pasa como par�metro. Se debe indicar la p�gina del PDF donde se debe introducir
 * el c�digo (normlamente la p�gina 1) y la posici�n absoluta X e Y dentro de la p�gina.
 */
public void establecerBarCode (int Pagina, String texto, int XPos, int YPos) throws Exception
{		
		Barcode128 code128 = new Barcode128();
	
		code128.setSize(12f);
		code128.setBaseline(12f);
		code128.setCode(texto);

		Image img = code128.createImageWithBarcode(pdfs.getOverContent(Pagina), null, null);
	
		img.setAbsolutePosition(XPos, YPos);
		//Se hace un poco mas peque�o en la escala X para que no ocupe tanto
		img.scalePercent(75, 100);
	
		pdfs.getOverContent(Pagina).addImage(img);

}
 

import com.lowagie.text.Image; //導入方法依賴的package包/類
public static void convertWriteToPdf(BufferedImage bufeBufferedImage, String path) {
    try {
        //Image img = Image.getInstance("C:\\Users\\SOFTWARE1\\Desktop\\boshtwain4JImages\\testcapture1507134499431.jpg");
        Image img = Image.getInstance(bufeBufferedImage, null);
        Document document = new Document(img);
        PdfWriter writer = PdfWriter.getInstance(document, new FileOutputStream(path));
        //--
        document.open();
        img.setAbsolutePosition(0, 0);
        //--
        document.add(img);
        //--
        document.close();
    } catch (DocumentException | IOException e) {
        System.out.println("Intern Log : " + e.getMessage());
    }
}
 

import com.lowagie.text.Image; //導入方法依賴的package包/類
/**
 * Adds an Image at an absolute position.
 */
@Test
public void main() throws Exception {

	// step 1: creation of a document-object
	Document document = new Document();

	// step 2:
	// we create a writer that listens to the document
	// and directs a PDF-stream to a file

	PdfWriter.getInstance(document, PdfTestBase.getOutputStream("absolutepositions.pdf"));

	// step 3: we open the document
	document.open();

	// step 4: we add content
	Image png = Image.getInstance(PdfTestBase.RESOURCES_DIR + "hitchcock.png");
	png.setAbsolutePosition(171, 250);
	document.add(png);
	png.setAbsolutePosition(342, 500);
	document.add(png);

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

import com.lowagie.text.Image; //導入方法依賴的package包/類
/** Print an iText image */
private void printImage(Image image, PdfContentByte cb, float x1, float y1, float x2, float y2, int alignment, int fitMethod, float rotate)
throws DocumentException {
    if(image!=null) {
        float boxWidth = Math.abs(x2-x1)+1;
        float boxHeight = Math.abs(y2-y1)+1;
        log.debug("Print Image (Size w="+image.getPlainWidth()+",h="+image.getPlainHeight()+") wthin BOX (w="+boxWidth+",h="+boxHeight+") FitMethod = "+fitMethod);

        // Clip the image based on the bounding box
        if(fitMethod==FIT_METHOD_CLIP) {
            if( (boxWidth < image.getPlainWidth()) || (boxHeight < image.getPlainHeight()) ) {
                // @TODO - Clip image
                log.warn("IMAGE CLIPPING REQUIRED, but not implemented - default to 'SCALE'...");
                fitMethod=FIT_METHOD_SCALE;
            }
        }
        // Stretch/shrink both the X/Y to fit the bounding box
        if(fitMethod==FIT_METHOD_FILL) {
            log.debug("Scale image to fill box");
            image.scaleToFit(x2-x1, y2-y1);
        }
        // Stretch/shrink preserving the aspect ratio to fit the bounding box
        if(fitMethod==FIT_METHOD_SCALE) {
            float multipler = Math.min(boxWidth / image.getPlainWidth(), boxHeight /image.getPlainHeight());
            log.debug("Need to scale image by " + (Math.floor(multipler*10000)/100) + "%");
            image.scalePercent(multipler*100);
        }
        log.debug("Print image at (" + x1 + "," + y1 +")");
        image.setAbsolutePosition(x1,y1);
        image.setRotationDegrees(rotate);
        cb.addImage(image);
        //Phrase text = new Phrase(new Chunk(image, 0, 0));
        //ColumnText ct = new ColumnText(cb);
        //ct.setSimpleColumn(text, x1, y1, x2, y2, 10, alignment);
        //ct.go();
    }
}
 

import com.lowagie.text.Image; //導入方法依賴的package包/類
/**
 * Demonstrates the use of layers.
 * 
 * @param args
 *            no arguments needed
 */
@Test
public void main() throws Exception {
	// step 1: creation of a document-object
	Document document = new Document(PageSize.A4, 50, 50, 50, 50);
	// step 2: creation of the writer
	PdfWriter writer = PdfWriter.getInstance(document,
			PdfTestBase.getOutputStream("optionalcontent.pdf"));
	writer.setPdfVersion(PdfWriter.VERSION_1_5);
	writer.setViewerPreferences(PdfWriter.PageModeUseOC);
	// step 3: opening the document
	document.open();
	// step 4: content
	PdfContentByte cb = writer.getDirectContent();
	Phrase explanation = new Phrase(
			"Automatic layers, form fields, images, templates and actions",
			new Font(Font.HELVETICA, 18, 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);
	PdfLayer l4 = new PdfLayer("Form and XObject Layer", 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, 0f);
	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();
	TextField ff = new TextField(writer, new Rectangle(200, 600, 300, 620),
			"field1");
	ff.setBorderColor(Color.blue);
	ff.setBorderStyle(PdfBorderDictionary.STYLE_SOLID);
	ff.setBorderWidth(TextField.BORDER_WIDTH_THIN);
	ff.setText("I'm a form field");
	PdfFormField form = ff.getTextField();
	form.setLayer(l4);
	writer.addAnnotation(form);
	Image img = Image.getInstance(PdfTestBase.RESOURCES_DIR
			+ "pngnow.png");
	img.setLayer(l4);
	img.setAbsolutePosition(200, 550);
	cb.addImage(img);
	PdfTemplate tp = cb.createTemplate(100, 20);
	Phrase pt = new Phrase("I'm a template", new Font(Font.HELVETICA, 12,
			Font.NORMAL, Color.magenta));
	ColumnText.showTextAligned(tp, Element.ALIGN_LEFT, pt, 0, 0, 0);
	tp.setLayer(l4);
	tp.setBoundingBox(new Rectangle(0, -10, 100, 20));
	cb.addTemplate(tp, 200, 500);
	ArrayList<Object> state = new ArrayList<Object>();
	state.add("toggle");
	state.add(l1);
	state.add(l2);
	state.add(l3);
	state.add(l4);
	PdfAction action = PdfAction.setOCGstate(state, true);
	Chunk ck = new Chunk("Click here to toggle the layers", new Font(
			Font.HELVETICA, 18, Font.NORMAL, Color.yellow)).setBackground(
			Color.blue).setAction(action);
	ColumnText.showTextAligned(cb, Element.ALIGN_CENTER, new Phrase(ck),
			250, 400, 0);
	cb.sanityCheck();

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

import com.lowagie.text.Image; //導入方法依賴的package包/類
/**
 * Uses a java.awt.Image object to construct a com.lowagie.text.Image
 * object.
 */
@Test
public void main() throws Exception {

	// step 1: creation of a document-object
	Document document = new Document();

	// step 2:
	// we create a writer that listens to the document
	// and directs a PDF-stream to a file
	PdfWriter writer = PdfWriter.getInstance(document, PdfTestBase.getOutputStream("awt_image.pdf"));

	// step 3: we open the document
	document.open();

	// step 4: we add content to the document
	for (int i = 0; i < 300; i++) {
		document.add(new Phrase("Who is this? "));
	}
	PdfContentByte cb = writer.getDirectContent();
	java.awt.Image awtImage = Toolkit.getDefaultToolkit().createImage(PdfTestBase.RESOURCES_DIR + "H.gif");
	Image image = Image.getInstance(awtImage, null);
	image.setAbsolutePosition(100, 500);
	cb.addImage(image);
	Image gif = Image.getInstance(awtImage, new Color(0x00, 0xFF, 0xFF), true);
	gif.setAbsolutePosition(300, 500);
	cb.addImage(gif);
	Image img1 = Image.getInstance(awtImage, null, true);
	img1.setAbsolutePosition(100, 200);
	cb.addImage(img1);
	Image img2 = Image.getInstance(awtImage, new Color(0xFF, 0xFF, 0x00), false);
	img2.setAbsolutePosition(300, 200);
	cb.addImage(img2);

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

import com.lowagie.text.Image; //導入方法依賴的package包/類
/**
 * M�todo que permite introducir un c�digo de barras de nube de puntos que represente el texto
 * que se pasa como par�metro. Se debe indicar la p�gina del PDF donde se debe introducir
 * el c�digo (normlamente la p�gina 1) y la posici�n absoluta X e Y dentro de la p�gina.
 */
public void establecerBarCodeNP (int Pagina, String texto, int XPos, int YPos) throws Exception
{
		BarcodePDF417 code417 = new BarcodePDF417();	
		code417.setText(texto);	
		Image img = code417.getImage();
		img.setAbsolutePosition(XPos, YPos);
		//Inicialmente lo dejamos a la misma escala. Falta comprobar si es necesario aumentarla o
		//disminuirla.
		img.scalePercent(100, 100);	
		pdfs.getOverContent(Pagina).addImage(img);						
}
 

import com.lowagie.text.Image; //導入方法依賴的package包/類
/** 
 * Establece una imagen en una posici�n indic�ndole un porcentaje de ampliaci�n/reducci�n
 *     
 * @param	nPagina	Indica el n�mero de p�gina donde se inertar� la imagen
 * @param   a_Imagen Indica el byte[] de la imagen a insertar
 * @param   a_posX Indica la posici�n X absoluta dentro del PDF donde se colocar� la imagen
 * @param   a_posY Indica la posici�n Y absoluta dentro del PDF donde se colocar� la imagen
 */
public void establecerImagen (int nPagina, byte[] a_Imagen, float a_posX, float a_posY, float af_porcentaje) throws Exception
{
	Image imagen = Image.getInstance(a_Imagen);
	imagen.scalePercent(af_porcentaje);
	imagen.setAbsolutePosition(a_posX, a_posY);
	imagen.setTransparency(new int[] {255, 255,255, 255, 255, 255});
	pdfs.getOverContent(nPagina).addImage(imagen);
}
 

import com.lowagie.text.Image; //導入方法依賴的package包/類
/** 
 * Establece una imagen de fondo para todas las paginas
 *     
 * @param	nPagina	Indica el n�mero de p�gina donde se inertar� la imagen de fondo
 * @param   a_pathImagen Indica el fichero imagen a insertar (Path absoluto)
 * @param   a_posX Indica la posici�n X absoluta dentro del PDF donde se colocar� la imagen
 * @param   a_pathImagen Indica la posici�n Y absoluta dentro del PDF donde se colocar� la imagen
 */
public void establecerFondo (String a_pathImagen, float a_posX, float a_posY) throws Exception
{
	int n = pdfr.getNumberOfPages();
	Image imagen = Image.getInstance(a_pathImagen);
	imagen.setAbsolutePosition(a_posX, a_posY);
	imagen.setTransparency(new int[] {255, 255,255, 255, 255, 255});
	
	for (int i=1;i<=n;i++){
		pdfs.getUnderContent(i).addImage(imagen);
	}
}
 

import com.lowagie.text.Image; //導入方法依賴的package包/類
/**
 * Generate barcode in the form
 *
 * @param pdfStamper
 * @throws DocumentException
 */
private void generateBarcode(PdfStamper pdfStamper, String userId) throws DocumentException {

    // add barcode on the first page
    PdfContentByte cb = pdfStamper.getOverContent(BARCODE_PAGE);

    // barcode format 128C
    Barcode128 code128 = new Barcode128();

    // barcode format e.g. *1502A1234567890
    //  asterisk - * [constant]
    //  WebPOS Transaction - 1502 [constant]
    //  Form Version - A [constant for MyPost 1.5]
    //  10-digit APCN
    code128.setCode(ASTERISK + WEBPOS_TRANSACTIION + MYPOST_FORM_VERSION + userId);

    code128.setCodeType(Barcode128.CODE128);

    // convert barcode into image
    Image code128Image = code128.createImageWithBarcode(cb, null, null);

    // set barcode position x pixel, y pixel
    code128Image.setAbsolutePosition(BARCODE_POSITION_X, BARCODE_POSITION_Y);
    code128Image.scalePercent(BARCODE_SCALE_PERCENTAGE);

    // add barcode image into PDF template
    cb.addImage(code128Image);
}
 

import com.lowagie.text.Image; //導入方法依賴的package包/類
/**
 * Generate a QR code including URL on the page
 * 
 * @param pdfStamper
 * @throws DocumentException
 */
private void generateQRCode(PdfStamper pdfStamper) throws DocumentException {

    // add barcode on the first page
    PdfContentByte pdfContentByte = pdfStamper.getOverContent(APPENDED_PAGE);

    BarcodeQRCode qrcode = new BarcodeQRCode("http://www.vendian.org/mncharity/dir3/paper_rulers/", 200, 200, null);
    Image qrcodeImage = qrcode.getImage();
    qrcodeImage.setAbsolutePosition(360,500);
    qrcodeImage.scalePercent(100);
    pdfContentByte.addImage(qrcodeImage);
}
 

import com.lowagie.text.Image; //導入方法依賴的package包/類
/**
 * Creates an Image object based on a list of properties.
 * @param attributes
 * @return an Image
 */
public static Image getImage(Properties attributes)
		throws BadElementException, MalformedURLException, IOException {
	String value;

	value = attributes.getProperty(ElementTags.URL);
	if (value == null)
		throw new MalformedURLException("The URL of the image is missing.");
	Image image = Image.getInstance(value);

	value = attributes.getProperty(ElementTags.ALIGN);
	int align = 0;
	if (value != null) {
		if (ElementTags.ALIGN_LEFT.equalsIgnoreCase(value))
			align |= Image.LEFT;
		else if (ElementTags.ALIGN_RIGHT.equalsIgnoreCase(value))
			align |= Image.RIGHT;
		else if (ElementTags.ALIGN_MIDDLE.equalsIgnoreCase(value))
			align |= Image.MIDDLE;
	}
	if ("true".equalsIgnoreCase(attributes
			.getProperty(ElementTags.UNDERLYING)))
		align |= Image.UNDERLYING;
	if ("true".equalsIgnoreCase(attributes
			.getProperty(ElementTags.TEXTWRAP)))
		align |= Image.TEXTWRAP;
	image.setAlignment(align);

	value = attributes.getProperty(ElementTags.ALT);
	if (value != null) {
		image.setAlt(value);
	}

	String x = attributes.getProperty(ElementTags.ABSOLUTEX);
	String y = attributes.getProperty(ElementTags.ABSOLUTEY);
	if ((x != null) && (y != null)) {
		image.setAbsolutePosition(Float.parseFloat(x + "f"), Float
				.parseFloat(y + "f"));
	}
	value = attributes.getProperty(ElementTags.PLAINWIDTH);
	if (value != null) {
		image.scaleAbsoluteWidth(Float.parseFloat(value + "f"));
	}
	value = attributes.getProperty(ElementTags.PLAINHEIGHT);
	if (value != null) {
		image.scaleAbsoluteHeight(Float.parseFloat(value + "f"));
	}
	value = attributes.getProperty(ElementTags.ROTATION);
	if (value != null) {
		image.setRotation(Float.parseFloat(value + "f"));
	}
	return image;
}
 

import com.lowagie.text.Image; //導入方法依賴的package包/類
/**
    * Reads the pages of an existing PDF file, adds pagenumbers and a watermark.

    */
@Test
   public  void main() throws Exception {
           // we create a reader for a certain document
           PdfReader reader = new PdfReader(PdfTestBase.RESOURCES_DIR +"ChapterSection.pdf");
           int n = reader.getNumberOfPages();
           // we create a stamper that will copy the document to a new file
           PdfStamper stamp = new PdfStamper(reader,PdfTestBase.getOutputStream("watermark_pagenumbers.pdf"));
           // adding some metadata
           HashMap<String, String> moreInfo = new HashMap<String, String>();
           moreInfo.put("Author", "Bruno Lowagie");
           stamp.setMoreInfo(moreInfo);
           // adding content to each page
           int i = 0;
           PdfContentByte under;
           PdfContentByte over;
           Image img = Image.getInstance(PdfTestBase.RESOURCES_DIR +"watermark.jpg");
           BaseFont bf = BaseFont.createFont(BaseFont.HELVETICA, BaseFont.WINANSI, BaseFont.EMBEDDED);
           img.setAbsolutePosition(200, 400);
           while (i < n) {
           	i++;
           	// watermark under the existing page
           	under = stamp.getUnderContent(i);
           	under.addImage(img);
           	// text over the existing page
           	over = stamp.getOverContent(i);
           	over.beginText();
           	over.setFontAndSize(bf, 18);
           	over.setTextMatrix(30, 30);
           	over.showText("page " + i);
           	over.setFontAndSize(bf, 32);
           	over.showTextAligned(Element.ALIGN_LEFT, "DUPLICATE", 230, 430, 45);
           	over.endText();
           }
           // adding an extra page
           stamp.insertPage(1, PageSize.A4);
           over = stamp.getOverContent(1);
       	over.beginText();
       	over.setFontAndSize(bf, 18);
           over.showTextAligned(Element.ALIGN_LEFT, "DUPLICATE OF AN EXISTING PDF DOCUMENT", 30, 600, 0);
           over.endText();
           // adding a page from another document
           PdfReader reader2 = new PdfReader(PdfTestBase.RESOURCES_DIR +"SimpleAnnotations1.pdf");
           under = stamp.getUnderContent(1);
           under.addTemplate(stamp.getImportedPage(reader2, 3), 1, 0, 0, 1, 0, 0);
           // closing PdfStamper will generate the new PDF file
           stamp.close();
   }
 

import com.lowagie.text.Image; //導入方法依賴的package包/類
/**
 * Draws different things into different layers.
 */
@Test
public void main() throws Exception {


	// step 1: creation of a document-object
	Document document = new Document();

	
	// step 2: creation of the writer
	PdfWriter writer = PdfWriter.getInstance(document,	PdfTestBase.getOutputStream("layers.pdf"));

	// step 3: we open the document
	document.open();

	// step 4:

	// high level
	Paragraph p = new Paragraph();
	for (int i = 0; i < 100; i++)
		p.add(new Chunk("Blah blah blah blah blah. "));
	document.add(p);
	Image img = Image.getInstance(PdfTestBase.RESOURCES_DIR
			+ "hitchcock.png");
	img.setAbsolutePosition(100, 500);
	document.add(img);

	// low level
	PdfContentByte cb = writer.getDirectContent();
	PdfContentByte cbu = writer.getDirectContentUnder();
	cb.setRGBColorFill(0xFF, 0xFF, 0xFF);
	cb.circle(250.0f, 500.0f, 50.0f);
	cb.fill();
	cb.sanityCheck();

	cbu.setRGBColorFill(0xFF, 0x00, 0x00);
	cbu.circle(250.0f, 500.0f, 100.0f);
	cbu.fill();
	cbu.sanityCheck();

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