Cell heights

This is a code example of iText PDF, discover more.

31st May 2016
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These examples were written in answer to questions such as:

CellHeights.java
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/*
    This file is part of the iText (R) project.
    Copyright (c) 1998-2019 iText Group NV
    Authors: iText Software.
 
    For more information, please contact iText Software at this address:
    sales@itextpdf.com
 */
package com.itextpdf.samples.sandbox.tables;
 
import com.itextpdf.kernel.geom.PageSize;
import com.itextpdf.kernel.pdf.PdfDocument;
import com.itextpdf.kernel.pdf.PdfWriter;
import com.itextpdf.layout.Document;
import com.itextpdf.layout.element.Cell;
import com.itextpdf.layout.element.Paragraph;
import com.itextpdf.layout.element.Table;
import com.itextpdf.layout.property.Property;
import com.itextpdf.layout.property.UnitValue;
import com.itextpdf.samples.GenericTest;
import com.itextpdf.test.annotations.type.SampleTest;
 
import org.junit.experimental.categories.Category;
 
import java.io.File;
 
@Category(SampleTest.class)
public class CellHeights extends GenericTest {
    public static final String DEST = "./target/test/resources/sandbox/tables/cell_heights.pdf";
 
    public static void main(String[] args) throws Exception {
        File file = new File(DEST);
        file.getParentFile().mkdirs();
        new CellHeights().manipulatePdf(DEST);
    }
 
    @Override
    protected void manipulatePdf(String dest) throws Exception {
        PdfDocument pdfDoc = new PdfDocument(new PdfWriter(dest));
        // Note that it is not necessary to create new PageSize object,
        // but for testing reasons (connected to parallelization) we call constructor here
        Document doc = new Document(pdfDoc, new PageSize(PageSize.A5).rotate());
 
        Table table = new Table(UnitValue.createPercentArray(2)).useAllAvailableWidth();
        // a long phrase with newlines
        Paragraph p = new Paragraph("Dr. iText or:\nHow I Learned to Stop Worrying\nand Love PDF.");
        Cell cell = new Cell().add(p);
        // the phrase fits the fixed height
        table.addCell("set height (more than sufficient)");
        cell.setHeight(172);
        table.addCell(cell.clone(true));
        // the phrase doesn't fit the fixed height
        table.addCell("set height (not sufficient)");
        cell.setHeight(36);
        table.addCell(cell.clone(true));
        // The minimum height is exceeded
        table.addCell("minimum height");
        cell = new Cell().add(new Paragraph("Dr. iText"));
        cell.setMinHeight(70);
        table.addCell(cell.clone(true));
        // the last cell that should be extended
        table.addCell("extend last row");
        cell.deleteOwnProperty(Property.MIN_HEIGHT);
        table.addCell(cell.clone(true));
 
        table.setExtendBottomRow(true);
 
        doc.add(table);
        doc.close();
    }
}
FitTableOnPage.java
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/*
    This file is part of the iText (R) project.
    Copyright (c) 1998-2019 iText Group NV
    Authors: iText Software.
 
    For more information, please contact iText Software at this address:
    sales@itextpdf.com
 */
/**
 * Example written by Bruno Lowagie in answer to:
 * http://stackoverflow.com/questions/24616920/last-row-in-itext-table-extending-when-it-shouldnt
 */
package com.itextpdf.samples.sandbox.tables;
 
import com.itextpdf.kernel.geom.PageSize;
import com.itextpdf.kernel.geom.Rectangle;
import com.itextpdf.kernel.pdf.PdfDocument;
import com.itextpdf.kernel.pdf.PdfWriter;
import com.itextpdf.layout.Document;
import com.itextpdf.layout.element.Cell;
import com.itextpdf.layout.element.Paragraph;
import com.itextpdf.layout.element.Table;
import com.itextpdf.layout.layout.LayoutArea;
import com.itextpdf.layout.layout.LayoutContext;
import com.itextpdf.layout.layout.LayoutResult;
import com.itextpdf.layout.property.UnitValue;
import com.itextpdf.layout.renderer.IRenderer;
import com.itextpdf.samples.GenericTest;
import com.itextpdf.test.annotations.type.SampleTest;
 
import java.io.File;
 
import org.junit.experimental.categories.Category;
 
@Category(SampleTest.class)
public class FitTableOnPage extends GenericTest {
    public static final String DEST = "./target/test/resources/sandbox/tables/fit_table_on_page.pdf";
 
    public static void main(String[] args) throws Exception {
        File file = new File(DEST);
        file.getParentFile().mkdirs();
        new FitTableOnPage().manipulatePdf(DEST);
    }
 
    @Override
    protected void manipulatePdf(String dest) throws Exception {
        Table table = new Table(UnitValue.createPercentArray(1)).useAllAvailableWidth();
        for (int i = 0; i < 10; i++) {
            Cell cell;
            if (i == 9) {
                cell = new Cell().add(new Paragraph("Two\nLines"));
            } else {
                cell = new Cell().add(new Paragraph(Integer.toString(i)));
            }
            table.addCell(cell);
        }
 
        PdfDocument pdfDoc = new PdfDocument(new PdfWriter(dest));
        Document doc = new Document(pdfDoc);
        IRenderer tableRenderer = table.createRendererSubTree().setParent(doc.getRenderer());
        LayoutResult tableLayoutResult =
                tableRenderer.layout(new LayoutContext(new LayoutArea(0, new Rectangle(550 + 72, 1000))));
 
        pdfDoc.setDefaultPageSize(new PageSize(550 + 72, tableLayoutResult.getOccupiedArea().getBBox().getHeight() + 72));
        doc.add(table);
        doc.close();
    }
}
FixedHeightCell.java
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/*
    This file is part of the iText (R) project.
    Copyright (c) 1998-2019 iText Group NV
    Authors: iText Software.
 
    For more information, please contact iText Software at this address:
    sales@itextpdf.com
 */
/**
 * Example written by Bruno Lowagie in answer to the following question:
 * http://stackoverflow.com/questions/22093745/itext-how-do-setminimumsize-and-setfixedsize-interact
 */
package com.itextpdf.samples.sandbox.tables;
 
import com.itextpdf.kernel.pdf.PdfDocument;
import com.itextpdf.kernel.pdf.PdfWriter;
import com.itextpdf.layout.Document;
import com.itextpdf.layout.element.Cell;
import com.itextpdf.layout.element.Paragraph;
import com.itextpdf.layout.element.Table;
import com.itextpdf.layout.property.UnitValue;
import com.itextpdf.samples.GenericTest;
import com.itextpdf.test.annotations.type.SampleTest;
 
import org.junit.experimental.categories.Category;
 
import java.io.File;
 
@Category(SampleTest.class)
public class FixedHeightCell extends GenericTest {
    public static final String DEST = "./target/test/resources/sandbox/tables/fixed_height_cell.pdf";
 
    public static void main(String[] args) throws Exception {
        File file = new File(DEST);
        file.getParentFile().mkdirs();
        new FixedHeightCell().manipulatePdf(DEST);
    }
 
    @Override
    protected void manipulatePdf(String dest) throws Exception {
        PdfDocument pdfDoc = new PdfDocument(new PdfWriter(dest));
        Document doc = new Document(pdfDoc);
 
        Table table = new Table(UnitValue.createPercentArray(5)).useAllAvailableWidth();
        Cell cell;
        for (int r = 'A'; r <= 'Z'; r++) {
            for (int c = 1; c <= 5; c++) {
                cell = new Cell();
                cell.add(new Paragraph(String.valueOf((char) r) + String.valueOf(c)));
                if (r == 'D') {
                    cell.setHeight(60);
                }
                if (r == 'E') {
                    cell.setHeight(60);
                    if (c == 4) {
                        cell.setHeight(120);
                    }
                }
                if (r == 'F') {
                    cell.setMinHeight(60);
 
                    cell.setHeight(60);
                    if (c == 2) {
                        cell.add(new Paragraph("This cell has more content than the other cells"));
                    }
                }
                table.addCell(cell);
            }
        }
        doc.add(table);
 
        doc.close();
    }
}

Click the following link to see the legacy example for iText 5. Except for security fixes, iText 5 is no longer being developed.



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