Java Code Examples for com.lowagie.text.pdf.PdfContentByte#setLineWidth()

/**
 * Draws a horizontal line.
 * @param canvas	the canvas to draw on
 * @param leftX		the left x coordinate
 * @param rightX	the right x coordindate
 * @param y			the y coordinate
 */
public void drawLine(PdfContentByte canvas, float leftX, float rightX, float y) {
	float w;
    if (getPercentage() < 0)
        w = -getPercentage();
    else
        w = (rightX - leftX) * getPercentage() / 100.0f;
    float s;
    switch (getAlignment()) {
        case Element.ALIGN_LEFT:
            s = 0;
            break;
        case Element.ALIGN_RIGHT:
            s = rightX - leftX - w;
            break;
        default:
            s = (rightX - leftX - w) / 2;
            break;
    }
    canvas.setLineWidth(getLineWidth());
    if (getLineColor() != null)
        canvas.setColorStroke(getLineColor());
    canvas.moveTo(s + leftX, y + offset);
    canvas.lineTo(s + w + leftX, y + offset);
    canvas.stroke();
}
 

/**
 * Draws a horizontal line.
 * @param canvas	the canvas to draw on
 * @param leftX		the left x coordinate
 * @param rightX	the right x coordindate
 * @param y			the y coordinate
 */
public void drawLine(PdfContentByte canvas, float leftX, float rightX, float y) {
	float w;
    if (getPercentage() < 0)
        w = -getPercentage();
    else
        w = (rightX - leftX) * getPercentage() / 100.0f;
    float s;
    switch (getAlignment()) {
        case Element.ALIGN_LEFT:
            s = 0;
            break;
        case Element.ALIGN_RIGHT:
            s = rightX - leftX - w;
            break;
        default:
            s = (rightX - leftX - w) / 2;
            break;
    }
    canvas.setLineWidth(getLineWidth());
    if (getLineColor() != null)
        canvas.setColorStroke(getLineColor());
    canvas.moveTo(s + leftX, y + offset);
    canvas.lineTo(s + w + leftX, y + offset);
    canvas.stroke();
}
 

/**
 * @see com.lowagie.text.pdf.draw.DrawInterface#draw(com.lowagie.text.pdf.PdfContentByte, float, float, float, float, float)
 */
public void draw(PdfContentByte canvas, float llx, float lly, float urx, float ury, float y) {
	canvas.saveState();
	canvas.setLineWidth(lineWidth);
	canvas.setLineCap(PdfContentByte.LINE_CAP_ROUND);
	canvas.setLineDash(0, gap, gap / 2);
       drawLine(canvas, llx, urx, y);
	canvas.restoreState();
}
 

private void simulateBold( PdfContentByte cb, int fontWeight )
{
	cb.setTextRenderingMode( PdfContentByte.TEXT_RENDER_MODE_FILL_STROKE );
	if ( fontWeightLineWidthMap.containsKey( fontWeight ) )
	{
		cb.setLineWidth( fontWeightLineWidthMap.get( fontWeight ) );
	}
	else
	{
		cb.setLineWidth( 0.225f );
	}
	cb.setTextMatrix( 0, 0 );
}
 

/**
 * Writing vertical text.
 */
@Test
public void main() throws Exception {
	Document document = new Document(PageSize.A4, 50, 50, 50, 50);
	texts[3] = convertCid(texts[0]);
	texts[4] = convertCid(texts[1]);
	texts[5] = convertCid(texts[2]);
	PdfWriter writer = PdfWriter.getInstance(document,PdfTestBase.getOutputStream("vertical.pdf"));
	int idx = 0;
	document.open();
	PdfContentByte cb = writer.getDirectContent();
	for (int j = 0; j < 2; ++j) {
		BaseFont bf = BaseFont.createFont("KozMinPro-Regular", encs[j],	false);
		cb.setRGBColorStroke(255, 0, 0);
		cb.setLineWidth(0);
		float x = 400;
		float y = 700;
		float height = 400;
		float leading = 30;
		int maxLines = 6;
		for (int k = 0; k < maxLines; ++k) {
			cb.moveTo(x - k * leading, y);
			cb.lineTo(x - k * leading, y - height);
		}
		cb.rectangle(x, y, -leading * (maxLines - 1), -height);
		cb.stroke();
		VerticalText vt = new VerticalText(cb);
		vt.setVerticalLayout(x, y, height, maxLines, leading);
		vt.addText(new Chunk(texts[idx++], new Font(bf, 20)));
		vt.addText(new Chunk(texts[idx++], new Font(bf, 20, 0, Color.blue)));
		vt.go();
		vt.setAlignment(Element.ALIGN_RIGHT);
		vt.addText(new Chunk(texts[idx++],	new Font(bf, 20, 0, Color.orange)));
		vt.go();
		document.newPage();
	}
	document.close();

}
 

/**
 * Prints a square and fills half of it with a gray rectangle.
 * 
 * @param x
 * @param y
 * @param cb
 * @throws Exception
 */
private static void pictureBackdrop(float x, float y, PdfContentByte cb)
		throws Exception {
	cb.setColorStroke(Color.black);
	cb.setColorFill(Color.gray);
	cb.rectangle(x, y, 100, 200);
	cb.fill();
	cb.setLineWidth(2);
	cb.rectangle(x, y, 200, 200);
	cb.stroke();
}
 

/**
 * Prints a square and fills half of it with a gray rectangle.
 * @param x
 * @param y
 * @param cb
 * @throws Exception
 */
public static void pictureBackdrop(float x, float y, PdfContentByte cb) throws Exception {
    cb.setColorStroke(Color.black);
    cb.setColorFill(Color.red);
    cb.rectangle(x, y, 100, 200);
    cb.fill();
    cb.setLineWidth(2);
    cb.rectangle(x, y, 200, 200);
    cb.stroke();
}
 

/**
 * @see com.lowagie.text.pdf.draw.DrawInterface#draw(com.lowagie.text.pdf.PdfContentByte, float, float, float, float, float)
 */
public void draw(PdfContentByte canvas, float llx, float lly, float urx, float ury, float y) {
	canvas.saveState();
	canvas.setLineWidth(lineWidth);
	canvas.setLineCap(PdfContentByte.LINE_CAP_ROUND);
	canvas.setLineDash(0, gap, gap / 2);
       drawLine(canvas, llx, urx, y);
	canvas.restoreState();
}
 

/**
 * @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();
}
 

/**
 * Painting Patterns.
 * 
 * @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:
	// we create a writer that listens to the document
	// and directs a PDF-stream to a file
	PdfWriter writer = PdfWriter.getInstance(document,
			PdfTestBase.getOutputStream("pattern.pdf"));

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

	// step 4: we add some content
	PdfContentByte cb = writer.getDirectContent();
	PdfTemplate tp = cb.createTemplate(400, 300);
	PdfPatternPainter pat = cb.createPattern(15, 15, null);
	pat.rectangle(5, 5, 5, 5);
	pat.fill();
	pat.sanityCheck();

	PdfSpotColor spc_cmyk = new PdfSpotColor("PANTONE 280 CV",
			new CMYKColor(0.9f, .2f, .3f, .1f));
	SpotColor spot = new SpotColor(spc_cmyk, 0.25f);
	tp.setPatternFill(pat, spot, .9f);
	tp.rectangle(0, 0, 400, 300);
	tp.fill();
	tp.sanityCheck();

	cb.addTemplate(tp, 50, 50);
	PdfPatternPainter pat2 = cb.createPattern(10, 10, null);
	pat2.setLineWidth(2);
	pat2.moveTo(-5, 0);
	pat2.lineTo(10, 15);
	pat2.stroke();
	pat2.moveTo(0, -5);
	pat2.lineTo(15, 10);
	pat2.stroke();
	cb.setLineWidth(1);
	cb.setColorStroke(Color.black);
	cb.setPatternFill(pat2, Color.red);
	cb.rectangle(100, 400, 30, 210);
	cb.fillStroke();
	cb.setPatternFill(pat2, Color.green);
	cb.rectangle(150, 400, 30, 100);
	cb.fillStroke();
	cb.setPatternFill(pat2, Color.blue);
	cb.rectangle(200, 400, 30, 130);
	cb.fillStroke();
	cb.setPatternFill(pat2, new GrayColor(0.5f));
	cb.rectangle(250, 400, 30, 80);
	cb.fillStroke();
	cb.setPatternFill(pat2, new GrayColor(0.7f));
	cb.rectangle(300, 400, 30, 170);
	cb.fillStroke();
	cb.setPatternFill(pat2, new GrayColor(0.9f));
	cb.rectangle(350, 400, 30, 40);
	cb.fillStroke();

	cb.sanityCheck();

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

/**
    * Demonstrates the use of spotcolors.
    */
@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("spotcolor.pdf"));
           BaseFont bf = BaseFont.createFont("Helvetica", "winansi", BaseFont.NOT_EMBEDDED);
           
           // step 3: we open the document
           document.open();
           
           // step 4: we grab the ContentByte and do some stuff with it
           PdfContentByte cb = writer.getDirectContent();
           
           // step 5: we instantiate PdfSpotColor
           
           // Note: I made up these names unless someone give me a PANTONE swatch as gift ([email protected])
           PdfSpotColor spc_cmyk = new PdfSpotColor("PANTONE 280 CV", new CMYKColor(0.9f, .2f, .3f, .1f));
           PdfSpotColor spc_rgb = new PdfSpotColor("PANTONE 147", new Color(114, 94, 38));
           PdfSpotColor spc_g = new PdfSpotColor("PANTONE 100 CV", new GrayColor(0.9f));
           
           // Stroke a rectangle with CMYK alternate
           cb.setColorStroke(spc_cmyk, .5f);
           cb.setLineWidth(10f);
           // draw a rectangle
           cb.rectangle(100, 700, 100, 100);
           // add the diagonal
           cb.moveTo(100, 700);
           cb.lineTo(200, 800);
           // stroke the lines
           cb.stroke();
           
           // Fill a rectangle with CMYK alternate
           cb.setColorFill(spc_cmyk, 0.25f);
           cb.rectangle(250, 700, 100, 100);
           cb.fill();
           
           // Stroke a circle with RGB alternate
           cb.setColorStroke(spc_rgb, 0.9f);
           cb.setLineWidth(5f);
           cb.circle(150f, 500f, 100f);
           cb.stroke();
           
           // Fill the circle with RGB alternate
           cb.setColorFill(spc_rgb, 0.9f);
           cb.circle(150f, 500f, 50f);
           cb.fill();
           
           // example with colorfill
           cb.setColorFill(spc_g, 0.5f);
           cb.moveTo(100f, 200f);
           cb.lineTo(200f, 250f);
           cb.lineTo(400f, 150f);
           cb.fill();
           // cb.sanityCheck is called during newPage().
           document.newPage();
           String text = "Some text to show";
           document.add(new Paragraph(text, new Font(Font.HELVETICA, 24, Font.NORMAL, new SpotColor(spc_cmyk, 0.25f))));
           document.add(new Paragraph(text, new Font(Font.HELVETICA, 24, Font.NORMAL, new SpotColor(spc_cmyk, 0.5f))));
           
           // example with template
           PdfTemplate t = cb.createTemplate(500f, 500f);
           // Stroke a rectangle with CMYK alternate
           t.setColorStroke(new SpotColor(spc_cmyk, .5f));
           t.setLineWidth(10f);
           // draw a rectangle
           t.rectangle(100, 10, 100, 100);
           // add the diagonal
           t.moveTo(100, 10);
           t.lineTo(200, 100);
           // stroke the lines
           t.stroke();
           
           // Fill a rectangle with CMYK alternate
           t.setColorFill(spc_g, 0.5f);
           t.rectangle(100, 125, 100, 100);
           t.fill();
           t.beginText();
           t.setFontAndSize(bf, 20f);
           t.setTextMatrix(1f, 0f, 0f, 1f, 10f, 10f);
           t.showText("Template text upside down");
           t.endText();
           t.rectangle(0, 0, 499, 499);
           t.stroke();
           t.sanityCheck();
           cb.addTemplate(t, -1.0f, 0.00f, 0.00f, -1.0f, 550f, 550f);
           
           cb.sanityCheck();

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

/**
 * 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();
}
 

/**
 * Adding text at absolute positions.
 * 
 * @param args
 *            no arguments needed
 */
@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("complextext.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();

	File font = new File (PdfTestBase.RESOURCES_DIR + "/liberation-fonts-ttf/LiberationSans-Regular.ttf");
	// we construct a font
	BaseFont bf = BaseFont.createFont(font.getAbsolutePath(), BaseFont.IDENTITY_H, true);
	Font ft = new Font(bf, 12);
	// This is the text:
	String text = "\u0623\u0648\u0631\u0648\u0628\u0627, \u0628\u0631\u0645\u062c\u064a\u0627\u062a \u0627\u0644\u062d\u0627\u0633\u0648\u0628 + \u0627\u0646\u062a\u0631\u0646\u064a\u062a :";
	Phrase center = new Phrase(text + " Center", ft);
	ColumnText
			.showTextAligned(cb, PdfContentByte.ALIGN_CENTER, center, 250, 700, 0, PdfWriter.RUN_DIRECTION_RTL, 0);
	ColumnText.showTextAligned(cb, PdfContentByte.ALIGN_RIGHT, new Phrase(text + " Right", ft), 250, 650, 20,
			PdfWriter.RUN_DIRECTION_RTL, 0);
	ColumnText.showTextAligned(cb, PdfContentByte.ALIGN_LEFT, new Phrase("Some text Left aligned", ft), 250, 600,
			20);
	float size = ColumnText.getWidth(center, PdfWriter.RUN_DIRECTION_RTL, 0);
	cb.setRGBColorStroke(255, 0, 0);
	cb.rectangle(250 - size / 2, 690, size, 30);
	cb.stroke();

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

/**
    * Draws some shapes.
    */
@Test
public void main() throws Exception {
       
       
       // step 1: creation of a document-object
       Document document = new Document();
       
       try {
           
           // 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( "shapes.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();
           
           // an example of a rectangle with a diagonal in very thick lines
           cb.setLineWidth(10f);
           // draw a rectangle
           cb.rectangle(100, 700, 100, 100);
           // add the diagonal
           cb.moveTo(100, 700);
           cb.lineTo(200, 800);
           // stroke the lines
           cb.stroke();
           
           // an example of some circles
           cb.setLineDash(3, 3, 0);
           cb.setRGBColorStrokeF(0f, 255f, 0f);
           cb.circle(150f, 500f, 100f);
           cb.stroke();
           
           cb.setLineWidth(5f);
           cb.resetRGBColorStroke();
           cb.circle(150f, 500f, 50f);
           cb.stroke();
           
           // example with colorfill
           cb.setRGBColorFillF(0f, 255f, 0f);
           cb.moveTo(100f, 200f);
           cb.lineTo(200f, 250f);
           cb.lineTo(400f, 150f);
           // because we change the fill color BEFORE we stroke the triangle
           // the color of the triangle will be red instead of green
           cb.setRGBColorFillF(255f, 0f, 0f);
           cb.closePathFillStroke();
           
           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();
   }
 

/**
 * @see com.lowagie.text.pdf.PdfPTableEvent#tableLayout(com.lowagie.text.pdf.PdfPTable, float[][], float[], int, int, com.lowagie.text.pdf.PdfContentByte[])
 */
public void tableLayout(PdfPTable table, float[][] width, float[] heights, int headerRows, int rowStart, PdfContentByte[] canvases) {
	
	// widths of the different cells of the first row
    float widths[] = width[0];
    
    PdfContentByte cb = canvases[PdfPTable.TEXTCANVAS];
    cb.saveState();
	// border for the complete table
    cb.setLineWidth(2);
    cb.setRGBColorStroke(255, 0, 0);
    cb.rectangle(widths[0], heights[heights.length - 1], widths[widths.length - 1] - widths[0], heights[0] - heights[heights.length - 1]);
    cb.stroke();
    
    // border for the header rows
    if (headerRows > 0) {
        cb.setRGBColorStroke(0, 0, 255);
        cb.rectangle(widths[0], heights[headerRows], widths[widths.length - 1] - widths[0], heights[0] - heights[headerRows]);
        cb.stroke();
    }
    cb.restoreState();
    
    cb = canvases[PdfPTable.BASECANVAS];
    cb.saveState();
    // border for the cells
    cb.setLineWidth(.5f);
    // loop over the rows
    for (int line = 0; line < heights.length - 1; ++line) {
        widths = width[line];
    	// loop over the columns
        for (int col = 0; col < widths.length - 1; ++col) {
            if (line == 0 && col == 0)
                cb.setAction(new PdfAction("http://www.lowagie.com/iText/"),
                    widths[col], heights[line + 1], widths[col + 1], heights[line]);
            cb.setRGBColorStrokeF((float)Math.random(), (float)Math.random(), (float)Math.random());
            // horizontal borderline
            cb.moveTo(widths[col], heights[line]);
            cb.lineTo(widths[col + 1], heights[line]);
            cb.stroke();
            // vertical borderline
            cb.setRGBColorStrokeF((float)Math.random(), (float)Math.random(), (float)Math.random());
            cb.moveTo(widths[col], heights[line]);
            cb.lineTo(widths[col], heights[line + 1]);
            cb.stroke();
        }
    }
    cb.restoreState();
}
 

/**
 * @see com.lowagie.text.pdf.PdfPTableEvent#tableLayout(com.lowagie.text.pdf.PdfPTable,
 *      float[][], float[], int, int, com.lowagie.text.pdf.PdfContentByte[])
 */
public void tableLayout(PdfPTable table, float[][] width, float[] heights, int headerRows, int rowStart,
		PdfContentByte[] canvases) {

	// widths of the different cells of the first row
	float widths[] = width[0];

	PdfContentByte cb = canvases[PdfPTable.TEXTCANVAS];
	cb.saveState();
	// border for the complete table
	cb.setLineWidth(2);
	cb.setRGBColorStroke(255, 0, 0);
	cb.rectangle(widths[0], heights[heights.length - 1], widths[widths.length - 1] - widths[0], heights[0]
			- heights[heights.length - 1]);
	cb.stroke();

	// border for the header rows
	if (headerRows > 0) {
		cb.setRGBColorStroke(0, 0, 255);
		cb.rectangle(widths[0], heights[headerRows], widths[widths.length - 1] - widths[0], heights[0]
				- heights[headerRows]);
		cb.stroke();
	}
	cb.restoreState();

	cb = canvases[PdfPTable.BASECANVAS];
	cb.saveState();
	// border for the cells
	cb.setLineWidth(.5f);
	// loop over the rows
	for (int line = 0; line < heights.length - 1; ++line) {
		// loop over the columns
		for (int col = 0; col < widths.length - 1; ++col) {
			if (line == 0 && col == 0)
				cb.setAction(new PdfAction("http://www.lowagie.com/iText/"), widths[col], heights[line + 1],
						widths[col + 1], heights[line]);
			cb.setRGBColorStrokeF((float) Math.random(), (float) Math.random(), (float) Math.random());
			// horizontal borderline
			cb.moveTo(widths[col], heights[line]);
			cb.lineTo(widths[col + 1], heights[line]);
			cb.stroke();
			// vertical borderline
			cb.setRGBColorStrokeF((float) Math.random(), (float) Math.random(), (float) Math.random());
			cb.moveTo(widths[col], heights[line]);
			cb.lineTo(widths[col], heights[line + 1]);
			cb.stroke();
		}
	}
	cb.restoreState();
}
 

/**
 * Draws a line with the line-style specified in advance from the start
 * position to the end position with the given linewidth, color, and style
 * at the given pdf layer. If the line-style is NOT set before invoking this
 * method, "solid" will be used as the default line-style.
 *
 * @param startX
 *            the start X coordinate of the line
 * @param startY
 *            the start Y coordinate of the line
 * @param endX
 *            the end X coordinate of the line
 * @param endY
 *            the end Y coordinate of the line
 * @param width
 *            the lineWidth
 * @param color
 *            the color of the line
 * @param contentByte
 *            the given pdf layer
 */
private void drawRawLine( float startX, float startY, float endX,
		float endY, float width, Color color, PdfContentByte contentByte )
{
	startY = transformY( startY );
	endY = transformY( endY );
	contentByte.concatCTM( 1, 0, 0, 1, startX, startY );

	contentByte.moveTo( 0, 0 );
	contentByte.lineTo( endX - startX, endY - startY );

	contentByte.setLineWidth( width );
	contentByte.setColorStroke( color );
	contentByte.stroke( );
}