use of com.lowagie.text.pdf.Barcode in project jaffa-framework by jaffa-projects.
the class FormPrintEngineIText method fillPageFields.
/**
* This will fill in the page with data,
* m_currentPageData contains the details of the current page being printed
* @throws FormPrintException Thrown if there is any form processing problems
*/
protected void fillPageFields() throws FormPrintException {
log.debug("fillPageFields: Page=" + getCurrentPage());
try {
PdfContentByte cb = m_writer.getDirectContent();
PageDetailsExtended page = (PageDetailsExtended) getCurrentPageData();
// Loop through each field to be inserted
for (Iterator i = page.fieldList.iterator(); i.hasNext(); ) {
String fieldname = (String) i.next();
// Get the properties for displaying this field
FieldProperties props = (FieldProperties) page.fieldProperties.get(fieldname);
// Get the data to display
FormPrintEngine.DomValue data = new FormPrintEngine.DomValue(fieldname, props.sampleData);
// Caluclate Clipping Region
float x1 = Math.min(props.x1, props.x2);
float x2 = Math.max(props.x1, props.x2);
float y1 = Math.min(props.y1, props.y2);
float y2 = Math.max(props.y1, props.y2);
float w = Math.abs(props.x1 - props.x2) + 1;
float h = Math.abs(props.y1 - props.y2) + 1;
if (log.isDebugEnabled())
log.debug("Print Field " + fieldname + "=" + data.getObject() + " @ [(" + x1 + "," + y1 + ")->(" + x2 + "," + y2 + ")]");
// Default the font if not specified
String font = BaseFont.HELVETICA;
if (props.fontFace != null)
font = props.fontFace;
// Handle Barcodes diffently withing iText, don't just use fonts
if (font.startsWith("Barcode")) {
String bcClassName = "com.lowagie.text.pdf." + font;
Object bcode = null;
String dataStr = data.getValue();
if (dataStr != null) {
log.debug("Barcode Data String = " + dataStr);
// Try and create the correct Barcode Object
try {
Class bcClass = Class.forName(bcClassName);
bcode = bcClass.newInstance();
} catch (Exception e) {
String err = "Can't Create Barcode Object for barcode type '" + font + "' on field " + fieldname;
log.error(err, e);
}
// Only continue if the barcode object was created
if (bcode != null) {
// Generate and Print barcode, based on common interface
if (bcode instanceof Barcode) {
Barcode b = (Barcode) bcode;
// Set some default output a barcode
b.setCode(dataStr);
if (props.fontSize <= 0) {
// Hide text if font size is 0, and make the barcode height the size of the box
b.setBarHeight(h);
b.setFont(null);
} else {
// size of text under barcode
b.setSize(props.fontSize);
// Adjust Bar Height to allow for font size
b.setBarHeight(h - props.fontSize - 5);
}
// Wide Bars
b.setN(2);
// Set custom parameters
setBarcodeParams(fieldname, bcode, props.style);
// Print out barcode
Image image = ((Barcode) bcode).createImageWithBarcode(cb, null, null);
printImage(image, cb, x1, y1, x2, y2, props.align, props.fitMethod, props.rotate);
} else // Print PDF417 barcode, not based on common interface
if (bcode instanceof BarcodePDF417) {
BarcodePDF417 b = (BarcodePDF417) bcode;
// Set some default output a barcode
b.setText(dataStr);
b.setErrorLevel(5);
// Set custom parameters
setBarcodeParams(fieldname, bcode, props.style);
log.debug("PDF417 Settings\n" + "BitColumns=" + b.getBitColumns() + "\n" + "CodeColumns=" + b.getCodeColumns() + "\n" + "CodeRows=" + b.getCodeRows() + "\n" + "ErrorLevel=" + b.getErrorLevel() + "\n" + "YHeight=" + b.getYHeight() + "\n" + "AspectRatio=" + b.getAspectRatio() + "\n" + "Options=" + b.getOptions() + "\n" + "LenCodewords=" + b.getLenCodewords());
// Print out barcode
// image = b.getImage();
printImage(b.getImage(), cb, x1, y1, x2, y2, props.align, props.fitMethod, props.rotate);
} else {
// Error, unknown barcode
String err = "Error, No print handler for barcode object " + bcode.getClass().getName();
log.error(err);
// throw new EngineProcessingException(err);
}
}
} else
log.debug("SKIPPED BARCODE : No data for " + fieldname);
// Handle Images differently within iText, native support for JFreeChart
} else if ("image".equalsIgnoreCase(font)) {
try {
java.awt.Image image = data.getDomImage();
// Add an image to the page
if (image != null) {
if (fieldname.startsWith("watermark")) {
// Add an image-based watermark to the under content layer
PdfContentByte contentUnder = m_writer.getDirectContentUnder();
if (props.opacity != 1f) {
PdfGState gs = new PdfGState();
gs.setFillOpacity(props.opacity);
contentUnder.setGState(gs);
}
printImage(image, contentUnder, x1, y1, x2, y2, props.align, props.fitMethod, props.rotate);
} else {
// Add an image to main page layer
printImage(image, cb, x1, y1, x2, y2, props.align, props.fitMethod, props.rotate);
}
}
} catch (IOException e) {
// Add Error on page.
Phrase text = new Phrase("Image Error", FontFactory.getFont(FontFactory.HELVETICA_BOLDOBLIQUE, 8f, 0, ColorHelper.getColor("red")));
ColumnText ct = new ColumnText(cb);
ct.setSimpleColumn(text, x1, y1, x2, y2, 8f, Element.ALIGN_LEFT);
}
} else if (fieldname.startsWith("watermark")) {
// Add a text-based watermark
String text = data.getValue();
PdfContentByte contentUnder = m_writer.getDirectContentUnder();
if (props.opacity != 1f) {
PdfGState gs = new PdfGState();
gs.setFillOpacity(props.opacity);
contentUnder.setGState(gs);
}
// The text aligns (left, center, right) on the pivot point.
// Default to align left.
float pivotX = x1;
float pivotY = y1;
if (Element.ALIGN_CENTER == props.align) {
pivotX = (x1 / 2) + (x2 / 2);
pivotY = y1;
} else if (Element.ALIGN_RIGHT == props.align) {
pivotX = x2;
pivotY = y1;
}
Phrase watermark = new Phrase(text, FontFactory.getFont(props.fontFace, props.fontSize, decodeFontStyle(props.style), ColorHelper.getColor(defaultWatermarkColor)));
ColumnText.showTextAligned(contentUnder, props.align, watermark, pivotX, pivotY, props.rotate);
} else {
// Handle printing of basic Text
float lineHeight = props.fontSize;
String str = data.getValue();
if (str != null) {
// Add a bounded column to add text to.
Phrase text = new Phrase(str, FontFactory.getFont(props.fontFace, props.fontSize, decodeFontStyle(props.style), ColorHelper.getColor(props.color)));
ColumnText ct = new ColumnText(cb);
if (props.fitMethod == FIT_METHOD_CLIP)
// set up column with height/width restrictions
ct.setSimpleColumn(text, x1, y1, x2, y2, lineHeight, props.align);
else
// set up column without (i.e. large) height/width restrictions
ct.setSimpleColumn(text, x1, y1, 1000, 0, lineHeight, props.align);
ct.go();
}
}
// Draw outline boxes arround fields
if (isTemplateMode()) {
cb.setLineWidth(0.5f);
cb.setLineDash(4f, 2f);
cb.setColorStroke(new Color(0xA0, 0xA0, 0xA0));
cb.moveTo(x1, y1);
cb.lineTo(x1, y2);
cb.lineTo(x2, y2);
cb.lineTo(x2, y1);
cb.lineTo(x1, y1);
cb.stroke();
}
}
// end for-loop
} catch (DocumentException e) {
String err = "Error printing data - " + e.getMessage();
log.error(err, e);
throw new EngineProcessingException(err);
// } catch (IOException e) {
// String err = "Error printing data - " + e.getMessage();
// log.error(err ,e);
// throw new EngineProcessingException(err);
}
}
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