Java Code Examples for com.lowagie.text.Paragraph#setLeading()

private static void setParagraphLeading(Paragraph p, String leading) {
	if (leading == null) {
		p.setLeading(0, 1.5f);
		return;
	}
	try {
		StringTokenizer tk = new StringTokenizer(leading, " ,");
		String v = tk.nextToken();
		float v1 = Float.parseFloat(v);
		if (!tk.hasMoreTokens()) {
			p.setLeading(v1, 0);
			return;
		}
		v = tk.nextToken();
		float v2 = Float.parseFloat(v);
		p.setLeading(v1, v2);
	} catch (Exception e) {
		p.setLeading(0, 1.5f);
	}
}
 

private static PdfPCell makeCell(String text, int vAlignment, int hAlignment, Font font, float leading,
		float padding, Rectangle borders, boolean ascender, boolean descender) {
	Paragraph p = new Paragraph(text, font);
	p.setLeading(leading);

	PdfPCell cell = new PdfPCell(p);
	cell.setLeading(leading, 0);
	cell.setVerticalAlignment(vAlignment);
	cell.setHorizontalAlignment(hAlignment);
	cell.cloneNonPositionParameters(borders);
	cell.setUseAscender(ascender);
	cell.setUseDescender(descender);
	cell.setUseBorderPadding(true);
	cell.setPadding(padding);
	return cell;
}
 

private void writeCurrencyEntry(Document document,String label , double value) throws Exception{
	Paragraph questionParagraph = new Paragraph();
	questionParagraph.setLeading(14, 0);
	questionParagraph.setIndentationLeft(18);
	questionParagraph.add(new Chunk(label.trim() + ": ",boldedFont)); 
    questionParagraph.add(new Chunk(CurrencyValidator.getInstance().format(value , LocaleContextHolder.getLocale()) , normalFont));  
	document.add(questionParagraph);
}
 

private void writeEntry(Document document,String label) throws Exception{
	Paragraph questionParagraph = new Paragraph();
	questionParagraph.setLeading(14, 0);
	questionParagraph.setIndentationLeft(18);
	questionParagraph.add(new Chunk(label.trim()  ,boldedFont)); 
    document.add(questionParagraph);
}
 

private void writeEntry(Document document,String label , String value) throws Exception{
	Paragraph questionParagraph = new Paragraph();
	questionParagraph.setLeading(14, 0);
	questionParagraph.setIndentationLeft(18);
	questionParagraph.add(new Chunk(label.trim() + ": ",boldedFont)); 
    questionParagraph.add(new Chunk(value == null ? "": value.trim() ,normalFont));  
	document.add(questionParagraph);
}
 

private void writeSubTitle(Document document,String title) throws Exception{
	Paragraph titleParagraph = new Paragraph(title,subTitleFont);
	titleParagraph.setAlignment(Element.ALIGN_LEFT);
	titleParagraph.setLeading(20);
	titleParagraph.setSpacingAfter(2);
	document.add(titleParagraph);
}
 

private void writeTitle(Document document,String title) throws Exception{
	Paragraph titleParagraph = new Paragraph(title,titleFont);
	titleParagraph.setAlignment(Element.ALIGN_LEFT);
	titleParagraph.setLeading(30);
	titleParagraph.setSpacingAfter(2);
	document.add(titleParagraph);
}
 

private void writeAnswer(Document document,String questionText , String answerValue) throws Exception{
	Paragraph questionParagraph = new Paragraph();
	questionParagraph.setLeading(14, 0);
	questionParagraph.add(new Chunk(questionText.trim() + ": ",boldedFont)); 
    questionParagraph.add(new Chunk(answerValue == null ? "": answerValue.trim() ,normalFont));  
	document.add(questionParagraph);
}
 

private void writeEntry(Document document,String label , Date value, String dateFormat) throws Exception{
	Paragraph questionParagraph = new Paragraph();
	questionParagraph.setLeading(14, 0);
	questionParagraph.setIndentationLeft(18);
	questionParagraph.add(new Chunk(label.trim() + ": ",boldedFont)); 
    questionParagraph.add(new Chunk(DateValidator.getInstance().format(value ,dateFormat) , normalFont));  
	document.add(questionParagraph);
}
 

private void writeTitle(Document document,String title) throws Exception{
	Paragraph titleParagraph = new Paragraph(title,titleFont);
	titleParagraph.setAlignment(Element.ALIGN_LEFT);
	titleParagraph.setLeading(30);
	titleParagraph.setSpacingAfter(2);
	document.add(titleParagraph);
}
 

@Override
public void printHeader(String... fields) {
	iTable = new PdfPTable(fields.length - iHiddenColumns.size());
	iMaxWidth = new float[fields.length];
	iTable.setHeaderRows(1);
	iTable.setWidthPercentage(100);

	for (int idx = 0; idx < fields.length; idx++) {
		if (iHiddenColumns.contains(idx)) continue;
		String f = fields[idx];
		
		PdfPCell cell = new PdfPCell();
		cell.setBorder(Rectangle.BOTTOM);
		cell.setVerticalAlignment(Element.ALIGN_TOP);
		cell.setHorizontalAlignment(Element.ALIGN_LEFT);
		
		Font font = PdfFont.getFont(true);
		Paragraph ch = new Paragraph(f, font);
		ch.setLeading(0f, 1f);
		cell.addElement(ch);		
		iTable.addCell(cell);
		
		float width = 0; 
		if (f.indexOf('\n')>=0) {
			for (StringTokenizer s = new StringTokenizer(f,"\n"); s.hasMoreTokens();)
				width = Math.max(width,font.getBaseFont().getWidthPoint(s.nextToken(), font.getSize()));
		} else 
			width = Math.max(width,font.getBaseFont().getWidthPoint(f, font.getSize()));
		iMaxWidth[idx] = width;
	}
}
 

protected void printFooter() throws DocumentException {
    out("");
    out(renderEnd(renderMiddle("","Page "+(iPageNo+1)),"<"+iCurrentSubjectArea.getSubjectAreaAbbreviation()+(iCourseNumber!=null?" "+iCourseNumber:"")+">  "));
	//FIXME: For some reason when a line starts with space, the line is shifted by one space in the resulting PDF (when using iText 5.0.2)
    Paragraph p = new Paragraph(iBuffer.toString().replace("\n ", "\n  "), PdfFont.getFixedFont());
    p.setLeading(9.5f); //was 13.5f
    iDoc.add(p);
    iBuffer = new StringBuffer();
    iPageNo++;
}
 

private static Element newPara(String text, int alignment, int type) {
	Font font = FontFactory.getFont("Helvetica", 10, type, Color.BLACK);
	Paragraph p = new Paragraph(text, font);
	p.setAlignment(alignment);
	p.setLeading(font.getSize() * 1.2f);
	return p;
}
 

private static Element newPara(String text, int alignment, int type) {
	Font font = FontFactory.getFont("Helvetica", 10, type, Color.BLACK);
	Paragraph p = new Paragraph(text, font);
	p.setAlignment(alignment);
	p.setLeading(font.getSize() * 1.2f);
	return p;
}
 

/** Adds a <CODE>PdfPTable</CODE> to the document.
 * @param ptable the <CODE>PdfPTable</CODE> to be added to the document.
 * @throws DocumentException on error
 */
void addPTable(PdfPTable ptable) throws DocumentException {
    ColumnText ct = new ColumnText(writer.getDirectContent());
    // if the table prefers to be on a single page, and it wouldn't
    //fit on the current page, start a new page.
    if (ptable.getKeepTogether() && !fitsPage(ptable, 0f) && currentHeight > 0)  {
    	newPage();
    }
    // add dummy paragraph if we aren't at the top of a page, so that
    // spacingBefore will be taken into account by ColumnText
    if (currentHeight > 0) {
     Paragraph p = new Paragraph();
     p.setLeading(0);
     ct.addElement(p);
    }
    ct.addElement(ptable);
    boolean he = ptable.isHeadersInEvent();
    ptable.setHeadersInEvent(true);
    int loop = 0;
    while (true) {
        ct.setSimpleColumn(indentLeft(), indentBottom(), indentRight(), indentTop() - currentHeight);
        int status = ct.go();
        if ((status & ColumnText.NO_MORE_TEXT) != 0) {
            text.moveText(0, ct.getYLine() - indentTop() + currentHeight);
            currentHeight = indentTop() - ct.getYLine();
            break;
        }
        if (indentTop() - currentHeight == ct.getYLine())
            ++loop;
        else
            loop = 0;
        if (loop == 3) {
            add(new Paragraph("ERROR: Infinite table loop"));
            break;
        }
        newPage();
    }
    ptable.setHeadersInEvent(he);
}
 

/** Adds a <CODE>PdfPTable</CODE> to the document.
 * @param ptable the <CODE>PdfPTable</CODE> to be added to the document.
 * @throws DocumentException on error
 */
void addPTable(PdfPTable ptable) throws DocumentException {
    ColumnText ct = new ColumnText(writer.getDirectContent());
    if (currentHeight > 0) {
        Paragraph p = new Paragraph();
        p.setLeading(0);
        ct.addElement(p);
    }
    ct.addElement(ptable);
    boolean he = ptable.isHeadersInEvent();
    ptable.setHeadersInEvent(true);
    int loop = 0;
    while (true) {
        ct.setSimpleColumn(indentLeft(), indentBottom(), indentRight(), indentTop() - currentHeight);
        int status = ct.go();
        if ((status & ColumnText.NO_MORE_TEXT) != 0) {
            text.moveText(0, ct.getYLine() - indentTop() + currentHeight);
            currentHeight = indentTop() - ct.getYLine();
            break;
        }
        if (indentTop() - currentHeight == ct.getYLine())
            ++loop;
        else
            loop = 0;
        if (loop == 3) {
            add(new Paragraph("ERROR: Infinite table loop"));
            break;
        }
        newPage();
    }
    ptable.setHeadersInEvent(he);
}
 

/**
 * Adds a <CODE>PdfPTable</CODE> to the document.
 *
 * @param ptable the <CODE>PdfPTable</CODE> to be added to the document.
 * @throws DocumentException on error
 */
void addPTable(PdfPTable ptable) throws DocumentException {
	ColumnText ct = new ColumnText(writer.getDirectContent());
	// if the table prefers to be on a single page, and it wouldn't
	// fit on the current page, start a new page.
	if (ptable.getKeepTogether() && !fitsPage(ptable, 0f) && currentHeight > 0) {
		newPage();
	}
	// add dummy paragraph if we aren't at the top of a page, so that
	// spacingBefore will be taken into account by ColumnText
	if (currentHeight > 0) {
		Paragraph p = new Paragraph();
		p.setLeading(0);
		ct.addElement(p);
	}
	ct.addElement(ptable);
	boolean he = ptable.isHeadersInEvent();
	ptable.setHeadersInEvent(true);
	int loop = 0;
	while (true) {
		ct.setSimpleColumn(indentLeft(), indentBottom(), indentRight(), indentTop() - currentHeight);
		int status = ct.go();
		if ((status & ColumnText.NO_MORE_TEXT) != 0) {
			text.moveText(0, ct.getYLine() - indentTop() + currentHeight);
			currentHeight = indentTop() - ct.getYLine();
			break;
		}
		if (indentTop() - currentHeight == ct.getYLine()) {
			++loop;
		} else {
			loop = 0;
		}
		if (loop == 3) {
			add(new Paragraph("ERROR: Infinite table loop"));
			break;
		}
		newPage();
	}
	ptable.setHeadersInEvent(he);
}
 

/**
    * PdfTemplates can be wrapped in an Image.
    */
@Test
   public  void main() throws Exception {
       
           
       // step 1: creation of a document-object
       Rectangle rect = new Rectangle(PageSize.A4);
       rect.setBackgroundColor(new Color(238, 221, 88));
       Document document = new Document(rect, 50, 50, 50, 50);
	// step 2: we create a writer that listens to the document
	PdfWriter writer = PdfWriter.getInstance(document, PdfTestBase.getOutputStream("templateImages.pdf"));
	// step 3: we open the document
	document.open();
	// step 4:
	PdfTemplate template = writer.getDirectContent().createTemplate(20, 20);
	BaseFont bf = BaseFont.createFont(BaseFont.HELVETICA, BaseFont.WINANSI,
			BaseFont.NOT_EMBEDDED);
	String text = "Vertical";
	float size = 16;
	float width = bf.getWidthPoint(text, size);
	template.beginText();
	template.setRGBColorFillF(1, 1, 1);
	template.setFontAndSize(bf, size);
	template.setTextMatrix(0, 2);
	template.showText(text);
	template.endText();
	template.setWidth(width);
	template.setHeight(size + 2);
	template.sanityCheck();
	Image img = Image.getInstance(template);
	img.setRotationDegrees(90);
	Chunk ck = new Chunk(img, 0, 0);
	PdfPTable table = new PdfPTable(3);
	table.setWidthPercentage(100);
	table.getDefaultCell().setHorizontalAlignment(Element.ALIGN_CENTER);
	table.getDefaultCell().setVerticalAlignment(Element.ALIGN_MIDDLE);
	PdfPCell cell = new PdfPCell(img);
	cell.setPadding(4);
	cell.setBackgroundColor(new Color(0, 0, 255));
	cell.setHorizontalAlignment(Element.ALIGN_CENTER);
	table.addCell("I see a template on my right");
	table.addCell(cell);
	table.addCell("I see a template on my left");
	table.addCell(cell);
	table.addCell("I see a template everywhere");
	table.addCell(cell);
	table.addCell("I see a template on my right");
	table.addCell(cell);
	table.addCell("I see a template on my left");

	Paragraph p1 = new Paragraph("This is a template ");
	p1.add(ck);
	p1.add(" just here.");
	p1.setLeading(img.getScaledHeight() * 1.1f);
	document.add(p1);
	document.add(table);
	Paragraph p2 = new Paragraph("More templates ");
	p2.setLeading(img.getScaledHeight() * 1.1f);
	p2.setAlignment(Element.ALIGN_JUSTIFIED);
	img.scalePercent(70);
	for (int k = 0; k < 20; ++k)
		p2.add(ck);
	document.add(p2);
	// step 5: we close the document
	document.close();

   }
 

/** 
 * 功能说明：设置段落的样式，设置前半截内容填充了浅灰色的背景颜色，后半截内容没有背景颜色的段落样式</BR> 
 * 修改日期：2011-04-27 
 * @author myclover 
 * @param content  前半截有背景颜色的内容 
 * @param font     字体的样式 
 * @param firstLineIndent 首行缩进的字符，16f约等于一个字符 
 * @param leading  行间距12f表示单倍行距 
 * @param appendStr 后半截内容 
 * @return 
 */  
public static Paragraph setParagraphStyle(String content , Font font , float firstLineIndent , float leading , String appendStr){  
    Phrase phrase = setPhraseStyle(content , appendStr);  
    Paragraph par = new Paragraph(phrase);  
    par.setFont(font);  
    par.setFirstLineIndent(firstLineIndent);  
    par.setLeading(leading);  
    //设置对齐方式为两端对齐  
    par.setAlignment(Paragraph.ALIGN_JUSTIFIED_ALL);  
    return par;  
}
 

/** 
 * 功能说明：设置段落的样式</BR> 
 * 修改日期：2011-04-27 
 * @author myclover 
 * @param content  段落的内容 
 * @param font     字体的样式 
 * @param firstLineIndent  首行缩进多少字符，16f约等于一个字符 
 * @param leading  行间距 
 * @param indentationRight 缩进样式中的文本之后多少毫米，0.6f相当于0.2毫米 
 * @param alignment 对齐方式 
 * @return 
 */  
public static Paragraph setParagraphStyle(String content , Font font , float firstLineIndent , float leading , float indentationRight , int alignment){  
    Paragraph par = new Paragraph(content, font);  
    par.setFirstLineIndent(firstLineIndent);  
    par.setLeading(leading);  
    par.setIndentationRight(indentationRight);  
    par.setAlignment(alignment);  
    return par;  
}