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Table and cell events to draw borders

These examples were written in answer to questions such as:


dottedlinecell

JAVA

JAVA 
package sandbox.tables;

import com.itextpdf.text.Document;
import com.itextpdf.text.DocumentException;
import com.itextpdf.text.Paragraph;
import com.itextpdf.text.Phrase;
import com.itextpdf.text.Rectangle;
import com.itextpdf.text.pdf.PdfContentByte;
import com.itextpdf.text.pdf.PdfPCell;
import com.itextpdf.text.pdf.PdfPCellEvent;
import com.itextpdf.text.pdf.PdfPTable;
import com.itextpdf.text.pdf.PdfPTableEvent;
import com.itextpdf.text.pdf.PdfWriter;

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;

import sandbox.WrapToTest;

@WrapToTest
public class DottedLineCell {

    public static final String DEST = "results/tables/dotted_line_cell.pdf";
    
    class DottedCells implements PdfPTableEvent {

        public void tableLayout(PdfPTable table, float[][] widths,
            float[] heights, int headerRows, int rowStart,
            PdfContentByte[] canvases) {
            PdfContentByte canvas = canvases[PdfPTable.LINECANVAS];
            canvas.setLineDash(3f, 3f);
            float llx = widths[0][0];
            float urx = widths[0][widths.length];
            for (int i = 0; i < heights.length; i++) {
                canvas.moveTo(llx, heights[i]);
                canvas.lineTo(urx, heights[i]);
            }
            for (int i = 0; i < widths.length; i++) {
                for (int j = 0; j < widths[i].length; j++) {
                    canvas.moveTo(widths[i][j], heights[i]);
                    canvas.lineTo(widths[i][j], heights[i+1]);
                }
            }
            canvas.stroke();
        }
    }
    
    class DottedCell implements PdfPCellEvent {
        public void cellLayout(PdfPCell cell, Rectangle position,
            PdfContentByte[] canvases) {
            PdfContentByte canvas = canvases[PdfPTable.LINECANVAS];
            canvas.setLineDash(3f, 3f);
            canvas.rectangle(position.getLeft(), position.getBottom(),
                position.getWidth(), position.getHeight());
            canvas.stroke();
        }
    }
    
    public static void main(String[] args) throws IOException, DocumentException {
        File file = new File(DEST);
        file.getParentFile().mkdirs();
        new DottedLineCell().createPdf(DEST);
    }
    
    public void createPdf(String dest) throws IOException, DocumentException {
        DottedLineCell app = new DottedLineCell();
        Document document = new Document();
        PdfWriter.getInstance(document, new FileOutputStream(dest));
        document.open();
        document.add(new Paragraph("Table event"));
        PdfPTable table = new PdfPTable(3);
        table.setTableEvent(app.new DottedCells());
        table.getDefaultCell().setBorder(PdfPCell.NO_BORDER);
        table.addCell("A1");
        table.addCell("A2");
        table.addCell("A3");
        table.addCell("B1");
        table.addCell("B2");
        table.addCell("B3");
        table.addCell("C1");
        table.addCell("C2");
        table.addCell("C3");
        document.add(table);
        document.add(new Paragraph("Cell event"));
        table = new PdfPTable(1);
        PdfPCell cell = new PdfPCell(new Phrase("Test"));
        cell.setCellEvent(app.new DottedCell());
        cell.setBorder(PdfPCell.NO_BORDER);
        table.addCell(cell);
        document.add(table);
        document.close();
    }
}


roundedcorners

JAVA

JAVA 
/**
 * This example was written by Bruno Lowagie in answer to the following questions:
 * http://stackoverflow.com/questions/30106862/left-and-right-top-round-corner-for-rectangelroundrectangle
 */
package sandbox.tables;

import com.itextpdf.text.Document;
import com.itextpdf.text.DocumentException;
import com.itextpdf.text.Phrase;
import com.itextpdf.text.Rectangle;
import com.itextpdf.text.pdf.PdfContentByte;
import com.itextpdf.text.pdf.PdfPCell;
import com.itextpdf.text.pdf.PdfPCellEvent;
import com.itextpdf.text.pdf.PdfPTable;
import com.itextpdf.text.pdf.PdfWriter;

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import sandbox.WrapToTest;

@WrapToTest
public class RoundedCorners {

    public static final String DEST = "results/tables/rounded_corners.pdf";
    
    class SpecialRoundedCell implements PdfPCellEvent {
        public void cellLayout(PdfPCell cell, Rectangle position,
            PdfContentByte[] canvases) {
            PdfContentByte canvas = canvases[PdfPTable.LINECANVAS];
            float llx = position.getLeft() + 2;
            float lly = position.getBottom() + 2;
            float urx = position.getRight() - 2;
            float ury = position.getTop() - 2;
            float r = 4;
            float b = 0.4477f;
            canvas.moveTo(llx, lly);
            canvas.lineTo(urx, lly);
            canvas.lineTo(urx, ury - r);
            canvas.curveTo(urx, ury - r * b, urx - r * b, ury, urx - r, ury);
            canvas.lineTo(llx + r, ury);
            canvas.curveTo(llx + r * b, ury, llx, ury - r * b, llx, ury - r);
            canvas.lineTo(llx, lly);
            canvas.stroke();
        }
    }
    
    public static void main(String[] args) throws IOException, DocumentException {
        File file = new File(DEST);
        file.getParentFile().mkdirs();
        new RoundedCorners().createPdf(DEST);
    }
    
    public void createPdf(String dest) throws IOException, DocumentException {
        Document document = new Document();
        PdfWriter.getInstance(document, new FileOutputStream(dest));
        document.open();
        PdfPTable table = new PdfPTable(3);
        PdfPCell cell = getCell("These cells have rounded borders at the top.");
        table.addCell(cell);
        cell = getCell("These cells aren't rounded at the bottom.");
        table.addCell(cell);
        cell = getCell("A custom cell event was used to achieve this.");
        table.addCell(cell);
        document.add(table);
        document.close();
    }
    
    public PdfPCell getCell(String content) {
        PdfPCell cell = new PdfPCell(new Phrase(content));
        cell.setCellEvent(new SpecialRoundedCell());
        cell.setPadding(5);
        cell.setBorder(PdfPCell.NO_BORDER);
        return cell;
    }
}


dottedlineheader

JAVA

JAVA 
package sandbox.tables;

import com.itextpdf.text.Document;
import com.itextpdf.text.DocumentException;
import com.itextpdf.text.Paragraph;
import com.itextpdf.text.Rectangle;
import com.itextpdf.text.pdf.PdfContentByte;
import com.itextpdf.text.pdf.PdfPCell;
import com.itextpdf.text.pdf.PdfPCellEvent;
import com.itextpdf.text.pdf.PdfPTable;
import com.itextpdf.text.pdf.PdfPTableEvent;
import com.itextpdf.text.pdf.PdfWriter;

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import sandbox.WrapToTest;

@WrapToTest
public class DottedLineHeader {

    public static final String DEST = "results/tables/dotted_line_header.pdf";
    
    class DottedHeader implements PdfPTableEvent {

        public void tableLayout(PdfPTable table, float[][] widths,
            float[] heights, int headerRows, int rowStart,
            PdfContentByte[] canvases) {
            PdfContentByte canvas = canvases[PdfPTable.LINECANVAS];
            canvas.setLineDash(3f, 3f);
            float x1 = widths[0][0];
            float x2 = widths[0][widths.length];
            canvas.moveTo(x1, heights[0]);
            canvas.lineTo(x2, heights[0]);
            canvas.moveTo(x1, heights[headerRows]);
            canvas.lineTo(x2, heights[headerRows]);
            canvas.stroke();
        }
    }
    
    class DottedCell implements PdfPCellEvent {
        public void cellLayout(PdfPCell cell, Rectangle position,
            PdfContentByte[] canvases) {
            PdfContentByte canvas = canvases[PdfPTable.LINECANVAS];
            canvas.setLineDash(3f, 3f);
            canvas.moveTo(position.getLeft(), position.getTop());
            canvas.lineTo(position.getRight(), position.getTop());
            canvas.moveTo(position.getLeft(), position.getBottom());
            canvas.lineTo(position.getRight(), position.getBottom());
            canvas.stroke();
        }
    }
    
    public static void main(String[] args) throws IOException, DocumentException {
        File file = new File(DEST);
        file.getParentFile().mkdirs();
        new DottedLineHeader().createPdf(DEST);
    }
    
    public void createPdf(String dest) throws IOException, DocumentException {
        Document document = new Document();
        PdfWriter.getInstance(document, new FileOutputStream(dest));
        document.open();
        document.add(new Paragraph("Table event"));
        PdfPTable table = new PdfPTable(3);
        table.setTableEvent(new DottedHeader());
        table.getDefaultCell().setBorder(PdfPCell.NO_BORDER);
        table.addCell("A1");
        table.addCell("A2");
        table.addCell("A3");
        table.setHeaderRows(1);
        table.addCell("B1");
        table.addCell("B2");
        table.addCell("B3");
        table.addCell("C1");
        table.addCell("C2");
        table.addCell("C3");
        document.add(table);
        document.add(new Paragraph("Cell event"));
        table = new PdfPTable(3);
        table.getDefaultCell().setBorder(PdfPCell.NO_BORDER);
        table.getDefaultCell().setCellEvent(new DottedCell());
        table.addCell("A1");
        table.addCell("A2");
        table.addCell("A3");
        table.getDefaultCell().setCellEvent(null);
        table.addCell("B1");
        table.addCell("B2");
        table.addCell("B3");
        table.addCell("C1");
        table.addCell("C2");
        table.addCell("C3");
        document.add(table);
        document.close();
    }
}


customborder

JAVA

JAVA 
/**
 * Example written by Bruno Lowagie in answer to the following question:
 * http://stackoverflow.com/questions/23935566/table-borders-not-expanding-properly-in-pdf-using-itext
 */
package sandbox.tables;

import com.itextpdf.text.Document;
import com.itextpdf.text.DocumentException;
import com.itextpdf.text.Phrase;
import com.itextpdf.text.Rectangle;
import com.itextpdf.text.pdf.PdfContentByte;
import com.itextpdf.text.pdf.PdfPCell;
import com.itextpdf.text.pdf.PdfPRow;
import com.itextpdf.text.pdf.PdfPTable;
import com.itextpdf.text.pdf.PdfPTableEventAfterSplit;
import com.itextpdf.text.pdf.PdfWriter;

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import sandbox.WrapToTest;

@WrapToTest
public class CustomBorder {
    
    public static final String DEST = "results/tables/custom_border.pdf";

    public static final String TEXT = "This is some long paragraph that will be added over and over again to prove a point. It should result in rows that are split and rows that aren't.";
    
    public static void main(String[] args) throws IOException, DocumentException {
        File file = new File(DEST);
        file.getParentFile().mkdirs();
        new CustomBorder().createPdf(DEST);
    }
   
    class BorderEvent implements PdfPTableEventAfterSplit {
    	
    	protected int rowCount;
        protected boolean bottom = true;
        protected boolean top = true;
        
        public void setRowCount(int rowCount) {
        	this.rowCount = rowCount;
        }
        
        public void splitTable(PdfPTable table) {
	    	if (table.getRows().size() != rowCount) {
    	        bottom = false;
	    	}
        }

        public void afterSplitTable(PdfPTable table, PdfPRow startRow, int startIdx) {
        	if (table.getRows().size() != rowCount) {
            // if the table gains a row, a row was split
                rowCount = table.getRows().size();
                top = false;
            }
        }
    	
        public void tableLayout(PdfPTable table, float[][] width, float[] height,
                int headerRows, int rowStart, PdfContentByte[] canvas) {
            float widths[] = width[0];
            float y1 = height[0];
            float y2 = height[height.length - 1];
            PdfContentByte cb = canvas[PdfPTable.LINECANVAS];
            for (int i = 0; i < widths.length; i++) {
                cb.moveTo(widths[i], y1);
                cb.lineTo(widths[i], y2);
            }
            float x1 = widths[0];
            float x2 = widths[widths.length - 1];
            for (int i = top ? 0 : 1; i < (bottom ? height.length : height.length - 1); i++) {
                cb.moveTo(x1, height[i]);
                cb.lineTo(x2, height[i]);
            }
            cb.stroke();
            cb.resetRGBColorStroke();
            bottom = true;
            top = true;
        }
    }
    
    public void createPdf(String dest) throws IOException, DocumentException {
        Document document = new Document();
        PdfWriter.getInstance(document, new FileOutputStream(dest));
        document.open();
        PdfPTable table = new PdfPTable(2);
        table.setTotalWidth(500);
        table.setLockedWidth(true);
        BorderEvent event = new BorderEvent();
        table.setTableEvent(event);
        table.setWidthPercentage(100);
        table.getDefaultCell().setBorder(Rectangle.NO_BORDER);
        table.setSplitLate(false);
        PdfPCell cell = new PdfPCell(new Phrase(TEXT));
        cell.setBorder(Rectangle.NO_BORDER);
        for (int i = 0; i < 60; ) {
            table.addCell("Cell " + (++i));
            table.addCell(cell);
        }
        event.setRowCount(table.getRows().size());
        document.add(table);
        document.close();
    }
}


customborder2

JAVA

JAVA 
/**
 * Example written by Bruno Lowagie in answer to the following question:
 * http://stackoverflow.com/questions/23935566/table-borders-not-expanding-properly-in-pdf-using-itext
 */
package sandbox.tables;

import com.itextpdf.text.Document;
import com.itextpdf.text.DocumentException;
import com.itextpdf.text.Phrase;
import com.itextpdf.text.Rectangle;
import com.itextpdf.text.pdf.PdfContentByte;
import com.itextpdf.text.pdf.PdfPCell;
import com.itextpdf.text.pdf.PdfPRow;
import com.itextpdf.text.pdf.PdfPTable;
import com.itextpdf.text.pdf.PdfPTableEventAfterSplit;
import com.itextpdf.text.pdf.PdfWriter;

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import sandbox.WrapToTest;

@WrapToTest
public class CustomBorder2 {
    
    public static final String DEST = "results/tables/custom_border2.pdf";

    public static final String TEXT = "This is some long paragraph that will be added over and over again to prove a point. It should result in rows that are split and rows that aren't.";
    
    public static void main(String[] args) throws IOException, DocumentException {
        File file = new File(DEST);
        file.getParentFile().mkdirs();
        new CustomBorder2().createPdf(DEST);
    }
   
    class BorderEvent implements PdfPTableEventAfterSplit {
    	
        protected boolean bottom = true;
        protected boolean top = true;
        
        public void splitTable(PdfPTable table) {
    	    bottom = false;
        }

        public void afterSplitTable(PdfPTable table, PdfPRow startRow, int startIdx) {
        	top = false;
        }
    	
        public void tableLayout(PdfPTable table, float[][] width, float[] height,
                int headerRows, int rowStart, PdfContentByte[] canvas) {
            float widths[] = width[0];
            float y1 = height[0];
            float y2 = height[height.length - 1];
            float x1 = widths[0];
            float x2 = widths[widths.length - 1];
            PdfContentByte cb = canvas[PdfPTable.LINECANVAS];
            cb.moveTo(x1, y1);
            cb.lineTo(x1, y2);
            cb.moveTo(x2, y1);
            cb.lineTo(x2, y2);
            if (top) {
                cb.moveTo(x1, y1);
                cb.lineTo(x2, y1);
            }
            if (bottom) {
                cb.moveTo(x1, y2);
                cb.lineTo(x2, y2);
            }
            cb.stroke();
            cb.resetRGBColorStroke();
            bottom = true;
            top = true;
        }
    }
    
    public void createPdf(String dest) throws IOException, DocumentException {
        Document document = new Document();
        PdfWriter.getInstance(document, new FileOutputStream(dest));
        document.open();
        PdfPTable table = new PdfPTable(2);
        table.setTotalWidth(500);
        table.setLockedWidth(true);
        BorderEvent event = new BorderEvent();
        table.setTableEvent(event);
        table.setWidthPercentage(100);
        table.getDefaultCell().setBorder(Rectangle.NO_BORDER);
        table.setSplitLate(false);
        PdfPCell cell = new PdfPCell(new Phrase(TEXT));
        cell.setBorder(Rectangle.NO_BORDER);
        for (int i = 0; i < 60; ) {
            table.addCell("Cell " + (++i));
            table.addCell(cell);
        }
        document.add(table);
        document.close();
    }
}


dottedlinecell2

JAVA

JAVA 
package sandbox.tables;

import com.itextpdf.text.Document;
import com.itextpdf.text.DocumentException;
import com.itextpdf.text.Phrase;
import com.itextpdf.text.Rectangle;
import com.itextpdf.text.pdf.PdfContentByte;
import com.itextpdf.text.pdf.PdfPCell;
import com.itextpdf.text.pdf.PdfPCellEvent;
import com.itextpdf.text.pdf.PdfPTable;
import com.itextpdf.text.pdf.PdfWriter;

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;

import sandbox.WrapToTest;

@WrapToTest
public class DottedLineCell2 {

    public static final String DEST = "results/tables/dotted_line_cell2.pdf";
    
    class DottedCell implements PdfPCellEvent {
        private int border = 0;
        public DottedCell(int border) {
            this.border = border;
        }
        public void cellLayout(PdfPCell cell, Rectangle position,
            PdfContentByte[] canvases) {
            PdfContentByte canvas = canvases[PdfPTable.LINECANVAS];
            canvas.saveState();
            canvas.setLineDash(0, 4, 2);
            if ((border & PdfPCell.TOP) == PdfPCell.TOP) {
                canvas.moveTo(position.getRight(), position.getTop());
                canvas.lineTo(position.getLeft(), position.getTop());
            }
            if ((border & PdfPCell.BOTTOM) == PdfPCell.BOTTOM) {
                canvas.moveTo(position.getRight(), position.getBottom());
                canvas.lineTo(position.getLeft(), position.getBottom());
            }
            if ((border & PdfPCell.RIGHT) == PdfPCell.RIGHT) {
                canvas.moveTo(position.getRight(), position.getTop());
                canvas.lineTo(position.getRight(), position.getBottom());
            }
            if ((border & PdfPCell.LEFT) == PdfPCell.LEFT) {
                canvas.moveTo(position.getLeft(), position.getTop());
                canvas.lineTo(position.getLeft(), position.getBottom());
            }
            canvas.stroke();
            canvas.restoreState();
        }
    }
    
    public static void main(String[] args) throws IOException, DocumentException {
        File file = new File(DEST);
        file.getParentFile().mkdirs();
        new DottedLineCell2().createPdf(DEST);
    }
    
    public void createPdf(String dest) throws IOException, DocumentException {
        Document document = new Document();
        PdfWriter.getInstance(document, new FileOutputStream(dest));
        document.open();
        
        PdfPTable table;
        PdfPCell cell;
        
        table = new PdfPTable(4);
        table.setSpacingAfter(30);
        cell = new PdfPCell(new Phrase("left border"));
        cell.setBorder(PdfPCell.NO_BORDER);
        cell.setCellEvent(new DottedCell(PdfPCell.LEFT));
        table.addCell(cell);
        cell = new PdfPCell(new Phrase("right border"));
        cell.setBorder(PdfPCell.NO_BORDER);
        cell.setCellEvent(new DottedCell(PdfPCell.RIGHT));
        table.addCell(cell);
        cell = new PdfPCell(new Phrase("top border"));
        cell.setBorder(PdfPCell.NO_BORDER);
        cell.setCellEvent(new DottedCell(PdfPCell.TOP));
        table.addCell(cell);
        cell = new PdfPCell(new Phrase("bottom border"));
        cell.setBorder(PdfPCell.NO_BORDER);
        cell.setCellEvent(new DottedCell(PdfPCell.BOTTOM));
        table.addCell(cell);
        document.add(table);
        
        table = new PdfPTable(4);
        table.setSpacingAfter(30);
        cell = new PdfPCell(new Phrase("left and top border"));
        cell.setBorder(PdfPCell.NO_BORDER);
        cell.setCellEvent(new DottedCell(PdfPCell.LEFT | PdfPCell.TOP));
        table.addCell(cell);
        cell = new PdfPCell(new Phrase("right and bottom border"));
        cell.setBorder(PdfPCell.NO_BORDER);
        cell.setCellEvent(new DottedCell(PdfPCell.RIGHT | PdfPCell.BOTTOM));
        table.addCell(cell);
        cell = new PdfPCell(new Phrase("no border"));
        cell.setBorder(PdfPCell.NO_BORDER);
        table.addCell(cell);
        cell = new PdfPCell(new Phrase("full border"));
        cell.setBorder(PdfPCell.NO_BORDER);
        cell.setCellEvent(new DottedCell(PdfPCell.BOX));
        table.addCell(cell);
        document.add(table);
        document.close();
    }
}


customborder3

JAVA

JAVA 
package sandbox.tables;

import com.itextpdf.text.Document;
import com.itextpdf.text.DocumentException;
import com.itextpdf.text.Phrase;
import com.itextpdf.text.Rectangle;
import com.itextpdf.text.pdf.PdfContentByte;
import com.itextpdf.text.pdf.PdfPCell;
import com.itextpdf.text.pdf.PdfPCellEvent;
import com.itextpdf.text.pdf.PdfPTable;
import com.itextpdf.text.pdf.PdfWriter;

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;

import sandbox.WrapToTest;

@WrapToTest
public class CustomBorder3 {

    public static final String DEST = "results/tables/custom_border_3.pdf";
    
    interface LineDash {
        public void applyLineDash(PdfContentByte canvas);
    }
    
    class SolidLine implements LineDash {
        public void applyLineDash(PdfContentByte canvas) { }
    }
    
    class DottedLine implements LineDash {
        public void applyLineDash(PdfContentByte canvas) {
            canvas.setLineCap(PdfContentByte.LINE_CAP_ROUND);
            canvas.setLineDash(0, 4, 2);
        }
    }
    
    class DashedLine implements LineDash {
        public void applyLineDash(PdfContentByte canvas) {
            canvas.setLineDash(3, 3);
        }
    }
    
    class CustomBorder implements PdfPCellEvent {
        protected LineDash left;
        protected LineDash right;
        protected LineDash top;
        protected LineDash bottom;
        public CustomBorder(LineDash left, LineDash right,
                LineDash top, LineDash bottom) {
            this.left = left;
            this.right = right;
            this.top = top;
            this.bottom = bottom;
        }
        public void cellLayout(PdfPCell cell, Rectangle position,
            PdfContentByte[] canvases) {
            PdfContentByte canvas = canvases[PdfPTable.LINECANVAS];
            if (top != null) {
                canvas.saveState();
                top.applyLineDash(canvas);
                canvas.moveTo(position.getRight(), position.getTop());
                canvas.lineTo(position.getLeft(), position.getTop());
                canvas.stroke();
                canvas.restoreState();
            }
            if (bottom != null) {
                canvas.saveState();
                bottom.applyLineDash(canvas);
                canvas.moveTo(position.getRight(), position.getBottom());
                canvas.lineTo(position.getLeft(), position.getBottom());
                canvas.stroke();
                canvas.restoreState();
            }
            if (right != null) {
                canvas.saveState();
                right.applyLineDash(canvas);
                canvas.moveTo(position.getRight(), position.getTop());
                canvas.lineTo(position.getRight(), position.getBottom());
                canvas.stroke();
                canvas.restoreState();
            }
            if (left != null) {
                canvas.saveState();
                left.applyLineDash(canvas);
                canvas.moveTo(position.getLeft(), position.getTop());
                canvas.lineTo(position.getLeft(), position.getBottom());
                canvas.stroke();
                canvas.restoreState();
            }
        }
    }
    
    public static void main(String[] args) throws IOException, DocumentException {
        File file = new File(DEST);
        file.getParentFile().mkdirs();
        new CustomBorder3().createPdf(DEST);
    }
    
    public void createPdf(String dest) throws IOException, DocumentException {
        Document document = new Document();
        PdfWriter.getInstance(document, new FileOutputStream(dest));
        document.open();
        
        PdfPTable table;
        PdfPCell cell;
        LineDash solid = new SolidLine();
        LineDash dotted = new DottedLine();
        LineDash dashed = new DashedLine();
        
        table = new PdfPTable(4);
        table.setSpacingAfter(30);
        cell = new PdfPCell(new Phrase("dotted left border"));
        cell.setBorder(PdfPCell.NO_BORDER);
        cell.setCellEvent(new CustomBorder(dotted, null, null, null));
        table.addCell(cell);
        cell = new PdfPCell(new Phrase("solid right border"));
        cell.setBorder(PdfPCell.NO_BORDER);
        cell.setCellEvent(new CustomBorder(null, solid, null, null));
        table.addCell(cell);
        cell = new PdfPCell(new Phrase("dashed top border"));
        cell.setBorder(PdfPCell.NO_BORDER);
        cell.setCellEvent(new CustomBorder(null, null, dashed, null));
        table.addCell(cell);
        cell = new PdfPCell(new Phrase("bottom border"));
        cell.setBorder(PdfPCell.NO_BORDER);
        cell.setCellEvent(new CustomBorder(null, null, null, solid));
        table.addCell(cell);
        document.add(table);
        
        table = new PdfPTable(4);
        table.setSpacingAfter(30);
        cell = new PdfPCell(new Phrase("dotted left and solid top border"));
        cell.setBorder(PdfPCell.NO_BORDER);
        cell.setCellEvent(new CustomBorder(dotted, null, solid, null));
        table.addCell(cell);
        cell = new PdfPCell(new Phrase("dashed right and dashed bottom border"));
        cell.setBorder(PdfPCell.NO_BORDER);
        cell.setCellEvent(new CustomBorder(null, dashed, null, dashed));
        table.addCell(cell);
        cell = new PdfPCell(new Phrase("no border"));
        cell.setBorder(PdfPCell.NO_BORDER);
        table.addCell(cell);
        cell = new PdfPCell(new Phrase("full solid border"));
        cell.setBorder(PdfPCell.NO_BORDER);
        cell.setCellEvent(new CustomBorder(solid, solid, solid, solid));
        table.addCell(cell);
        document.add(table);
        document.close();
    }
}


customborder4

JAVA

JAVA 
package sandbox.tables;

import com.itextpdf.text.Document;
import com.itextpdf.text.DocumentException;
import com.itextpdf.text.Phrase;
import com.itextpdf.text.Rectangle;
import com.itextpdf.text.pdf.PdfContentByte;
import com.itextpdf.text.pdf.PdfPCell;
import com.itextpdf.text.pdf.PdfPCellEvent;
import com.itextpdf.text.pdf.PdfPTable;
import com.itextpdf.text.pdf.PdfWriter;

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;

import sandbox.WrapToTest;

@WrapToTest
public class CustomBorder4 {

    public static final String DEST = "results/tables/custom_border_4.pdf";
    
    abstract class CustomBorder implements PdfPCellEvent {
        private int border = 0;
        public CustomBorder(int border) {
            this.border = border;
        }
        public void cellLayout(PdfPCell cell, Rectangle position,
            PdfContentByte[] canvases) {
            PdfContentByte canvas = canvases[PdfPTable.LINECANVAS];
            canvas.saveState();
            setLineDash(canvas);
            if ((border & PdfPCell.TOP) == PdfPCell.TOP) {
                canvas.moveTo(position.getRight(), position.getTop());
                canvas.lineTo(position.getLeft(), position.getTop());
            }
            if ((border & PdfPCell.BOTTOM) == PdfPCell.BOTTOM) {
                canvas.moveTo(position.getRight(), position.getBottom());
                canvas.lineTo(position.getLeft(), position.getBottom());
            }
            if ((border & PdfPCell.RIGHT) == PdfPCell.RIGHT) {
                canvas.moveTo(position.getRight(), position.getTop());
                canvas.lineTo(position.getRight(), position.getBottom());
            }
            if ((border & PdfPCell.LEFT) == PdfPCell.LEFT) {
                canvas.moveTo(position.getLeft(), position.getTop());
                canvas.lineTo(position.getLeft(), position.getBottom());
            }
            canvas.stroke();
            canvas.restoreState();
        }
        
        public abstract void setLineDash(PdfContentByte canvas);
    }
    
    class SolidBorder extends CustomBorder {
        public SolidBorder(int border) { super(border); }
        public void setLineDash(PdfContentByte canvas) {}
    }
    class DottedBorder extends CustomBorder {
        public DottedBorder(int border) { super(border); }
        public void setLineDash(PdfContentByte canvas) {
            canvas.setLineCap(PdfContentByte.LINE_CAP_ROUND);
            canvas.setLineDash(0, 4, 2);
        }
    }
    class DashedBorder extends CustomBorder {
        public DashedBorder(int border) { super(border); }
        public void setLineDash(PdfContentByte canvas) {
            canvas.setLineDash(3, 3);
        }
    }
    
    public static void main(String[] args) throws IOException, DocumentException {
        File file = new File(DEST);
        file.getParentFile().mkdirs();
        new CustomBorder4().createPdf(DEST);
    }
    
    public void createPdf(String dest) throws IOException, DocumentException {
        Document document = new Document();
        PdfWriter.getInstance(document, new FileOutputStream(dest));
        document.open();
        
        PdfPTable table;
        PdfPCell cell;
        
        table = new PdfPTable(4);
        table.setSpacingAfter(30);
        cell = new PdfPCell(new Phrase("dotted left border"));
        cell.setBorder(PdfPCell.NO_BORDER);
        cell.setCellEvent(new DottedBorder(PdfPCell.LEFT));
        table.addCell(cell);
        cell = new PdfPCell(new Phrase("solid right border"));
        cell.setBorder(PdfPCell.NO_BORDER);
        cell.setCellEvent(new SolidBorder(PdfPCell.RIGHT));
        table.addCell(cell);
        cell = new PdfPCell(new Phrase("solid top border"));
        cell.setBorder(PdfPCell.NO_BORDER);
        cell.setCellEvent(new SolidBorder(PdfPCell.TOP));
        table.addCell(cell);
        cell = new PdfPCell(new Phrase("dashed bottom border"));
        cell.setBorder(PdfPCell.NO_BORDER);
        cell.setCellEvent(new DashedBorder(PdfPCell.BOTTOM));
        table.addCell(cell);
        document.add(table);
        
        table = new PdfPTable(4);
        table.setSpacingAfter(30);
        cell = new PdfPCell(new Phrase("dotted left and dashed top border"));
        cell.setBorder(PdfPCell.NO_BORDER);
        cell.setCellEvent(new DottedBorder(PdfPCell.LEFT));
        cell.setCellEvent(new DashedBorder(PdfPCell.TOP));
        table.addCell(cell);
        cell = new PdfPCell(new Phrase("solid right and dotted bottom border"));
        cell.setBorder(PdfPCell.NO_BORDER);
        cell.setCellEvent(new DottedBorder(PdfPCell.BOTTOM));
        cell.setCellEvent(new SolidBorder(PdfPCell.RIGHT));
        table.addCell(cell);
        cell = new PdfPCell(new Phrase("no border"));
        cell.setBorder(PdfPCell.NO_BORDER);
        table.addCell(cell);
        cell = new PdfPCell(new Phrase("full border"));
        cell.setBorder(PdfPCell.NO_BORDER);
        cell.setCellEvent(new DottedBorder(PdfPCell.LEFT | PdfPCell.RIGHT));
        cell.setCellEvent(new SolidBorder(PdfPCell.TOP));
        cell.setCellEvent(new DashedBorder(PdfPCell.BOTTOM));
        table.addCell(cell);
        document.add(table);
        document.close();
    }
}


tableborder

JAVA

JAVA 
/*
 * Example written by Bruno Lowagie in answer to the following question:
 * http://stackoverflow.com/questions/35340003
 */
package sandbox.tables;

import com.itextpdf.text.Document;
import com.itextpdf.text.DocumentException;
import com.itextpdf.text.Rectangle;
import com.itextpdf.text.pdf.PdfContentByte;
import com.itextpdf.text.pdf.PdfPTable;
import com.itextpdf.text.pdf.PdfPTableEvent;
import com.itextpdf.text.pdf.PdfWriter;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import sandbox.WrapToTest;


/**
 * @author Bruno Lowagie (iText Software)
 */
@WrapToTest
public class TableBorder {
    
    public static final String DEST = "results/tables/table_border_outer_only.pdf";

    public static void main(String[] args) throws IOException,
            DocumentException {
        File file = new File(DEST);
        file.getParentFile().mkdirs();
        new TableBorder().createPdf(DEST);
    }
    
    public void createPdf(String dest) throws IOException, DocumentException {
        Document document = new Document();
        PdfWriter.getInstance(document, new FileOutputStream(dest));
        document.open();
        PdfPTable table = new PdfPTable(4);
        table.setTableEvent(new BorderEvent());
        table.getDefaultCell().setBorder(Rectangle.NO_BORDER);
        for(int aw = 0; aw < 16; aw++){
            table.addCell("hi");
        }
        document.add(table);
        document.close();
    }
    
    public class BorderEvent implements PdfPTableEvent {
        public void tableLayout(PdfPTable table, float[][] widths, float[] heights, int headerRows, int rowStart, PdfContentByte[] canvases) {
            float width[] = widths[0];
            float x1 = width[0];
            float x2 = width[width.length - 1];
            float y1 = heights[0];
            float y2 = heights[heights.length - 1];
            PdfContentByte cb = canvases[PdfPTable.LINECANVAS];
            cb.rectangle(x1, y1, x2 - x1, y2 - y1);
            cb.stroke();
            cb.resetRGBColorStroke();
        }
    }
}


celltitle

JAVA

JAVA 
/*
 * Example written by Bruno Lowagie in answer to the following question:
 * http://stackoverflow.com/questions/35746651
 */
package sandbox.tables;

import com.itextpdf.text.BaseColor;
import com.itextpdf.text.Chunk;
import com.itextpdf.text.Document;
import com.itextpdf.text.DocumentException;
import com.itextpdf.text.Element;
import com.itextpdf.text.Phrase;
import com.itextpdf.text.Rectangle;
import com.itextpdf.text.pdf.ColumnText;
import com.itextpdf.text.pdf.PdfContentByte;
import com.itextpdf.text.pdf.PdfPCell;
import com.itextpdf.text.pdf.PdfPCellEvent;
import com.itextpdf.text.pdf.PdfPTable;
import com.itextpdf.text.pdf.PdfWriter;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import sandbox.WrapToTest;

/**
 * @author Bruno Lowagie (iText Software)
 */
@WrapToTest
public class CellTitle {

    public static final String DEST = "results/tables/cell_title.pdf";
    
    class Title implements PdfPCellEvent {
        protected String title;
        
        public Title(String title) {
            this.title = title;
        }
        
        public void cellLayout(PdfPCell cell, Rectangle position,
            PdfContentByte[] canvases) {
            Chunk c = new Chunk(title);
            c.setBackground(BaseColor.LIGHT_GRAY);
            PdfContentByte canvas = canvases[PdfPTable.TEXTCANVAS];
            ColumnText.showTextAligned(canvas, Element.ALIGN_LEFT, 
                new Phrase(c), position.getLeft(5), position.getTop(5), 0);
        }
    }
    
    public static void main(String[] args) throws IOException, DocumentException {
        File file = new File(DEST);
        file.getParentFile().mkdirs();
        new CellTitle().createPdf(DEST);
    }
    
    public void createPdf(String dest) throws IOException, DocumentException {
        Document document = new Document();
        PdfWriter.getInstance(document, new FileOutputStream(dest));
        document.open();
        PdfPTable table = new PdfPTable(1);
        PdfPCell cell = getCell("The title of this cell is title 1", "title 1");
        table.addCell(cell);
        cell = getCell("The title of this cell is title 2", "title 2");
        table.addCell(cell);
        cell = getCell("The title of this cell is title 3", "title 3");
        table.addCell(cell);
        document.add(table);
        document.close();
    }
    
    public PdfPCell getCell(String content, String title) {
        PdfPCell cell = new PdfPCell(new Phrase(content));
        cell.setCellEvent(new Title(title));
        cell.setPadding(5);
        return cell;
    }
    
}
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