Java Code Examples for com.lowagie.text.pdf.PdfContentByte#showTextAligned()
The following examples show how to use
com.lowagie.text.pdf.PdfContentByte#showTextAligned() .
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Example 1
| Source File: PdfEventHandler.java From unitime with Apache License 2.0 | 6 votes |
|
/**
* Print footer string on each page
* @param writer
* @param document
*/
public void onEndPage(PdfWriter writer, Document document) {
if(getDateTime() == null) {
setDateTime(new Date());
}
PdfContentByte cb = writer.getDirectContent();
cb.beginText();
cb.setFontAndSize(getBaseFont(), getFontSize());
cb.showTextAligned(PdfContentByte.ALIGN_LEFT, getDateFormat().format(getDateTime()),
document.left(), 20, 0);
cb.showTextAligned(PdfContentByte.ALIGN_RIGHT, String.valueOf(document.getPageNumber()),
document.right(), 20, 0);
cb.showTextAligned(PdfContentByte.ALIGN_CENTER, MESSAGES.pdfCopyright(Constants.getVersion()),
(document.left() + document.right()) / 2, 20, 0);
cb.endText();
return;
}
Example 2
| Source File: PageNumbersWatermarkTest.java From itext2 with GNU Lesser General Public License v3.0 | 5 votes |
|
/**
* @see com.lowagie.text.pdf.PdfPageEventHelper#onStartPage(com.lowagie.text.pdf.PdfWriter, com.lowagie.text.Document)
*/
public void onStartPage(PdfWriter writer, Document document) {
if (writer.getPageNumber() < 3) {
PdfContentByte cb = writer.getDirectContentUnder();
cb.saveState();
cb.setColorFill(Color.pink);
cb.beginText();
cb.setFontAndSize(helv, 48);
cb.showTextAligned(Element.ALIGN_CENTER, "My Watermark Under " + writer.getPageNumber(), document.getPageSize().getWidth() / 2, document.getPageSize().getHeight() / 2, 45);
cb.endText();
cb.restoreState();
}
}
Example 3
| Source File: PdfWatermarkUtils.java From bamboobsc with Apache License 2.0 | 5 votes |
|
public static void addWatermark(PdfStamper pdfStamper, BaseFont baseFont, Color fontColor, String waterMarkString) throws Exception {
if (null == pdfStamper || null == baseFont) {
throw new java.lang.Exception("PdfStamper or BaseFont is null.");
}
if (StringUtils.isBlank(waterMarkString)) {
return;
}
PdfContentByte pdfContentByte = null;
Rectangle pageRect = null;
PdfGState pdfGState = new PdfGState();
// 设置透明度为0.4
pdfGState.setFillOpacity(0.4f);
pdfGState.setStrokeOpacity(0.4f);
int pageNum = pdfStamper.getReader().getNumberOfPages();
try {
for (int i = 1; i <= pageNum; i++) {
pageRect = pdfStamper.getReader().getPageSizeWithRotation(i);
// 计算水印X,Y坐标
float x = pageRect.getWidth() / 2;
float y = pageRect.getHeight() / 2;
//获得PDF最顶层
pdfContentByte = pdfStamper.getOverContent(i);
pdfContentByte.saveState();
// set Transparency
pdfContentByte.setGState(pdfGState);
pdfContentByte.beginText();
pdfContentByte.setColorFill(fontColor);
pdfContentByte.setFontAndSize(baseFont, 60);
// 水印文字成45度角倾斜
pdfContentByte.showTextAligned(Element.ALIGN_CENTER, waterMarkString, x, y, 45);
pdfContentByte.endText();
}
} catch (Exception e) {
e.printStackTrace();
} finally {
pdfContentByte = null;
pageRect = null;
}
}
Example 4
| Source File: AddWatermarkPageNumbersTest.java From itext2 with GNU Lesser General Public License v3.0 | 4 votes |
|
/**
* 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();
}
Example 5
| Source File: TwoOnOneTest.java From itext2 with GNU Lesser General Public License v3.0 | 4 votes |
|
/**
* Reads the pages of an existing PDF file and puts 2 pages from the
* existing doc into one of the new doc.
*/
@Test
public void main() throws Exception {
// we create a reader for a certain document
PdfReader reader = new PdfReader(PdfTestBase.RESOURCES_DIR + "ChapterSection.pdf");
// we retrieve the total number of pages
int n = reader.getNumberOfPages();
// we retrieve the size of the first page
Rectangle psize = reader.getPageSize(1);
float width = psize.getHeight();
float height = psize.getWidth();
// step 1: creation of a document-object
Document document = new Document(new Rectangle(width, height));
// step 2: we create a writer that listens to the document
PdfWriter writer = PdfWriter.getInstance(document, PdfTestBase.getOutputStream("2on1.pdf"));
// step 3: we open the document
document.open();
// step 4: we add content
PdfContentByte cb = writer.getDirectContent();
int i = 0;
int p = 0;
while (i < n) {
document.newPage();
p++;
i++;
PdfImportedPage page1 = writer.getImportedPage(reader, i);
cb.addTemplate(page1, .5f, 0, 0, .5f, 60, 120);
if (i < n) {
i++;
PdfImportedPage page2 = writer.getImportedPage(reader, i);
cb.addTemplate(page2, .5f, 0, 0, .5f, width / 2 + 60, 120);
}
BaseFont bf = BaseFont.createFont(BaseFont.HELVETICA, BaseFont.CP1252, BaseFont.NOT_EMBEDDED);
cb.beginText();
cb.setFontAndSize(bf, 14);
cb.showTextAligned(PdfContentByte.ALIGN_CENTER, "page " + p + " of " + ((n / 2) + (n % 2 > 0 ? 1 : 0)),
width / 2, 40, 0);
cb.endText();
}
// step 5: we close the document
document.close();
}
Example 6
| Source File: XandYcoordinatesTest.java From itext2 with GNU Lesser General Public License v3.0 | 4 votes |
|
/**
* Creates a PDF document with shapes, lines and text at specific X and Y coordinates.
*/
@Test
public void main() throws Exception {
// step 1: creation of a document-object
Document document = new Document();
try {
// step 2: creation of the writer
PdfWriter writer = PdfWriter.getInstance(document, PdfTestBase.getOutputStream( "XandY.pdf"));
// step 3: we open the document
document.open();
// step 4:
PdfContentByte cb = writer.getDirectContent();
// we create a PdfTemplate
PdfTemplate template = cb.createTemplate(25, 25);
// we add some crosses to visualize the coordinates
template.moveTo(13, 0);
template.lineTo(13, 25);
template.moveTo(0, 13);
template.lineTo(50, 13);
template.stroke();
template.sanityCheck();
// we add the template on different positions
cb.addTemplate(template, 216 - 13, 720 - 13);
cb.addTemplate(template, 360 - 13, 360 - 13);
cb.addTemplate(template, 360 - 13, 504 - 13);
cb.addTemplate(template, 72 - 13, 144 - 13);
cb.addTemplate(template, 144 - 13, 288 - 13);
cb.moveTo(216, 720);
cb.lineTo(360, 360);
cb.lineTo(360, 504);
cb.lineTo(72, 144);
cb.lineTo(144, 288);
cb.stroke();
BaseFont bf = BaseFont.createFont(BaseFont.HELVETICA, BaseFont.CP1252, BaseFont.NOT_EMBEDDED);
cb.beginText();
cb.setFontAndSize(bf, 12);
cb.showTextAligned(PdfContentByte.ALIGN_CENTER, "(3\", 10\")", 216 + 25, 720 + 5, 0);
cb.showTextAligned(PdfContentByte.ALIGN_CENTER, "(5\", 5\")", 360 + 25, 360 + 5, 0);
cb.showTextAligned(PdfContentByte.ALIGN_CENTER, "(5\", 7\")", 360 + 25, 504 + 5, 0);
cb.showTextAligned(PdfContentByte.ALIGN_CENTER, "(1\", 2\")", 72 + 25, 144 + 5, 0);
cb.showTextAligned(PdfContentByte.ALIGN_CENTER, "(2\", 4\")", 144 + 25, 288 + 5, 0);
cb.endText();
cb.sanityCheck();
}
catch(DocumentException de) {
System.err.println(de.getMessage());
}
catch(IOException ioe) {
System.err.println(ioe.getMessage());
}
// step 5: we close the document
document.close();
}
Example 7
| Source File: UpsideDownTest.java From itext2 with GNU Lesser General Public License v3.0 | 4 votes |
|
/**
* Changes the default coordinate system so that the origin is in the upper left corner
* instead of the lower left corner.
*/
@Test
public void main() throws Exception {
// step 1: creation of a document-object
Document document = new Document(PageSize.A4);
try {
// step 2: creation of the writer
PdfWriter writer = PdfWriter.getInstance(document, PdfTestBase.getOutputStream( "upsidedown.pdf"));
// step 3: we open the document
document.open();
// step 4:
PdfContentByte cb = writer.getDirectContent();
cb.concatCTM(1f, 0f, 0f, -1f, 0f, PageSize.A4.getHeight());
// we create a PdfTemplate
PdfTemplate template = cb.createTemplate(25, 25);
// we add some crosses to visualize the coordinates
template.moveTo(13, 0);
template.lineTo(13, 25);
template.moveTo(0, 13);
template.lineTo(50, 13);
template.stroke();
template.sanityCheck();
// we add the template on different positions
cb.addTemplate(template, 216 - 13, 720 - 13);
cb.addTemplate(template, 360 - 13, 360 - 13);
cb.addTemplate(template, 360 - 13, 504 - 13);
cb.addTemplate(template, 72 - 13, 144 - 13);
cb.addTemplate(template, 144 - 13, 288 - 13);
cb.moveTo(216, 720);
cb.lineTo(360, 360);
cb.lineTo(360, 504);
cb.lineTo(72, 144);
cb.lineTo(144, 288);
cb.stroke();
BaseFont bf = BaseFont.createFont(BaseFont.HELVETICA, BaseFont.CP1252, BaseFont.NOT_EMBEDDED);
cb.beginText();
cb.setFontAndSize(bf, 12);
cb.showTextAligned(PdfContentByte.ALIGN_CENTER, "(3\", 10\")", 216 + 25, 720 + 5, 0);
cb.showTextAligned(PdfContentByte.ALIGN_CENTER, "(5\", 5\")", 360 + 25, 360 + 5, 0);
cb.showTextAligned(PdfContentByte.ALIGN_CENTER, "(5\", 7\")", 360 + 25, 504 + 5, 0);
cb.showTextAligned(PdfContentByte.ALIGN_CENTER, "(1\", 2\")", 72 + 25, 144 + 5, 0);
cb.showTextAligned(PdfContentByte.ALIGN_CENTER, "(2\", 4\")", 144 + 25, 288 + 5, 0);
cb.endText();
cb.sanityCheck();
}
catch(DocumentException de) {
System.err.println(de.getMessage());
}
catch(IOException ioe) {
System.err.println(ioe.getMessage());
}
// step 5: we close the document
document.close();
}
Example 8
| Source File: AffineTransformationTest.java From itext2 with GNU Lesser General Public License v3.0 | 4 votes |
|
/**
* Changes the transformation matrix with AffineTransform.
*/
@Test
public void main() throws Exception {
// step 1: creation of a document-object
Document document = new Document(PageSize.A4);
// step 2: creation of the writer
PdfWriter writer = PdfWriter.getInstance(document,
PdfTestBase.getOutputStream("affinetransformation.pdf"));
// step 3: we open the document
document.open();
// step 4:
PdfContentByte cb = writer.getDirectContent();
cb.transform(AffineTransform.getScaleInstance(1.2, 0.75));
// we create a PdfTemplate
PdfTemplate template = cb.createTemplate(25, 25);
// we add some crosses to visualize the coordinates
template.moveTo(13, 0);
template.lineTo(13, 25);
template.moveTo(0, 13);
template.lineTo(50, 13);
template.stroke();
template.sanityCheck();
// we add the template on different positions
cb.addTemplate(template, 216 - 13, 720 - 13);
cb.addTemplate(template, 360 - 13, 360 - 13);
cb.addTemplate(template, 360 - 13, 504 - 13);
cb.addTemplate(template, 72 - 13, 144 - 13);
cb.addTemplate(template, 144 - 13, 288 - 13);
cb.moveTo(216, 720);
cb.lineTo(360, 360);
cb.lineTo(360, 504);
cb.lineTo(72, 144);
cb.lineTo(144, 288);
cb.stroke();
BaseFont bf = BaseFont.createFont(BaseFont.HELVETICA, BaseFont.CP1252,
BaseFont.NOT_EMBEDDED);
cb.beginText();
cb.setFontAndSize(bf, 12);
cb.showTextAligned(PdfContentByte.ALIGN_CENTER,
"(3\" * 1.2, 10\" * .75)", 216 + 25, 720 + 5, 0);
cb.showTextAligned(PdfContentByte.ALIGN_CENTER,
"(5\" * 1.2, 5\" * .75)", 360 + 25, 360 + 5, 0);
cb.showTextAligned(PdfContentByte.ALIGN_CENTER,
"(5\" * 1.2, 7\" * .75)", 360 + 25, 504 + 5, 0);
cb.showTextAligned(PdfContentByte.ALIGN_CENTER,
"(1\" * 1.2, 2\" * .75)", 72 + 25, 144 + 5, 0);
cb.showTextAligned(PdfContentByte.ALIGN_CENTER,
"(2\" * 1.2, 4\" * .75)", 144 + 25, 288 + 5, 0);
cb.endText();
cb.sanityCheck();
// step 5: we close the document
document.close();
}
Example 9
| Source File: TextTest.java From itext2 with GNU Lesser General Public License v3.0 | 4 votes |
|
/**
* Adding text at absolute positions.
*/
@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("text.pdf"));
// step 3: we open the document
document.open();
// step 4: we grab the ContentByte and do some stuff with it
PdfContentByte cb = writer.getDirectContent();
// first we draw some lines to be able to visualize the text alignment
// functions
cb.setLineWidth(0f);
cb.moveTo(250, 500);
cb.lineTo(250, 800);
cb.moveTo(50, 700);
cb.lineTo(400, 700);
cb.moveTo(50, 650);
cb.lineTo(400, 650);
cb.moveTo(50, 600);
cb.lineTo(400, 600);
cb.stroke();
// we tell the ContentByte we're ready to draw text
cb.beginText();
BaseFont bf = BaseFont.createFont(BaseFont.HELVETICA, BaseFont.CP1252,
BaseFont.NOT_EMBEDDED);
cb.setFontAndSize(bf, 12);
String text = "Sample text for alignment";
// we show some text starting on some absolute position with a given
// alignment
cb.showTextAligned(PdfContentByte.ALIGN_CENTER, text + " Center", 250,
700, 0);
cb.showTextAligned(PdfContentByte.ALIGN_RIGHT, text + " Right", 250,
650, 0);
cb.showTextAligned(PdfContentByte.ALIGN_LEFT, text + " Left", 250, 600,
0);
// we draw some text on a certain position
cb.setTextMatrix(100, 400);
cb.showText("Text at position 100,400.");
// we draw some rotated text on a certain position
cb.setTextMatrix(0, 1, -1, 0, 100, 300);
cb.showText("Text at position 100,300, rotated 90 degrees.");
// we draw some mirrored, rotated text on a certain position
cb.setTextMatrix(0, 1, 1, 0, 200, 200);
cb.showText("Text at position 200,200, mirrored and rotated 90 degrees.");
// we tell the contentByte, we've finished drawing text
cb.endText();
cb.sanityCheck();
// step 5: we close the document
document.close();
}
Example 10
| Source File: PageNumbersWatermarkTest.java From itext2 with GNU Lesser General Public License v3.0 | 4 votes |
|
/**
* @see com.lowagie.text.pdf.PdfPageEventHelper#onEndPage(com.lowagie.text.pdf.PdfWriter, com.lowagie.text.Document)
*/
public void onEndPage(PdfWriter writer, Document document) {
PdfContentByte cb = writer.getDirectContent();
cb.saveState();
// write the headertable
table.setTotalWidth(document.right() - document.left());
table.writeSelectedRows(0, -1, document.left(), document.getPageSize().getHeight() - 50, cb);
// compose the footer
String text = "Page " + writer.getPageNumber() + " of ";
float textSize = helv.getWidthPoint(text, 12);
float textBase = document.bottom() - 20;
cb.beginText();
cb.setFontAndSize(helv, 12);
// for odd pagenumbers, show the footer at the left
if ((writer.getPageNumber() & 1) == 1) {
cb.setTextMatrix(document.left(), textBase);
cb.showText(text);
cb.endText();
cb.addTemplate(tpl, document.left() + textSize, textBase);
}
// for even numbers, show the footer at the right
else {
float adjust = helv.getWidthPoint("0", 12);
cb.setTextMatrix(document.right() - textSize - adjust, textBase);
cb.showText(text);
cb.endText();
cb.addTemplate(tpl, document.right() - adjust, textBase);
}
// draw a Rectangle around the page
cb.setColorStroke(Color.orange);
cb.setLineWidth(2);
cb.rectangle(20, 20, document.getPageSize().getWidth() - 40, document.getPageSize().getHeight() - 40);
cb.stroke();
// starting on page 3, a watermark with an Image that is made transparent
if (writer.getPageNumber() >= 3) {
cb.setGState(gstate);
cb.setColorFill(Color.red);
cb.beginText();
cb.setFontAndSize(helv, 48);
cb.showTextAligned(Element.ALIGN_CENTER, "Watermark Opacity " + writer.getPageNumber(), document.getPageSize().getWidth() / 2, document.getPageSize().getHeight() / 2, 45);
cb.endText();
try {
cb.addImage(headerImage, headerImage.getWidth(), 0, 0, headerImage.getHeight(), 440, 80);
}
catch(Exception e) {
throw new ExceptionConverter(e);
}
}
cb.restoreState();
cb.sanityCheck();
}
Example 11
| Source File: DvdCoverTest.java From itext2 with GNU Lesser General Public License v3.0 | 4 votes |
|
/**
* Method that generates the actual PDF file.
*/
public void generatePdf() throws Exception {
// step 1: creation of a document-object
Rectangle pageSize = new Rectangle(780, 525);
if (backgroundcolor != null) {
pageSize.setBackgroundColor(backgroundcolor);
}
Document document = new Document(pageSize);
// step 2:
// we create a writer that listens to the document
// and directs a PDF-stream to a file
if (filename == null) {
filename = PdfTestBase.OUTPUT_DIR + "dvdcover.pdf";
}
PdfWriter writer = PdfWriter.getInstance(document, new FileOutputStream(filename));
// step 3: we open the document
document.open();
// step 4:
PdfContentByte cb = writer.getDirectContent();
if (title != null) {
cb.setFontAndSize(BaseFont.createFont(BaseFont.HELVETICA, BaseFont.WINANSI, false), 24);
cb.beginText();
if (front == null) {
cb.showTextAligned(Element.ALIGN_CENTER, title, 595f, 262f, 0f);
}
if (side == null) {
cb.showTextAligned(Element.ALIGN_CENTER, title, 385f, 262f, 270f);
}
cb.endText();
}
cb.moveTo(370, 0);
cb.lineTo(370, 525);
cb.moveTo(410, 525);
cb.lineTo(410, 0);
cb.stroke();
if (front != null) {
front.scaleToFit(370, 525);
front.setAbsolutePosition(410f + (370f - front.getScaledWidth()) / 2f,
(525f - front.getScaledHeight()) / 2f);
document.add(front);
}
if (back != null) {
back.scaleToFit(370, 525);
back.setAbsolutePosition((370f - back.getScaledWidth()) / 2f, (525f - back.getScaledHeight()) / 2f);
document.add(back);
}
if (side != null) {
side.scaleToFit(40, 525);
side.setAbsolutePosition(370 + (40f - side.getScaledWidth()) / 2f, (525f - side.getScaledHeight()) / 2f);
document.add(side);
}
// step 5: we close the document
document.close();
}
