info.longnetpro.examples.PdfLibExamples.java Source code

Introduction

Here is the source code for info.longnetpro.examples.PdfLibExamples.java

Source

package info.longnetpro.examples;

import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.MalformedURLException;
import java.net.URISyntaxException;

import com.itextpdf.license.LicenseKey;
import com.itextpdf.license.LicenseKeyException;
import com.itextpdf.text.BaseColor;
import com.itextpdf.text.Document;
import com.itextpdf.text.DocumentException;
import com.itextpdf.text.Image;
import com.itextpdf.text.PageSize;
import com.itextpdf.text.Rectangle;
import com.itextpdf.text.pdf.PdfWriter;

import info.longnetpro.common.util.fs.FilePathUtils;
import info.longnetpro.common.util.system.SystemUtils;
import info.longnetpro.pdflib.document.Anchor;
import info.longnetpro.pdflib.document.ContentBox;
import info.longnetpro.pdflib.document.Measurement;
import info.longnetpro.pdflib.document.Page;

public class PdfLibExamples {
    private static void loadLicenseFile(InputStream licenseIs) {
        try {
            LicenseKey.loadLicenseFile(licenseIs);
        } catch (LicenseKeyException e) {
            e.printStackTrace();
        }
    }

    private static void loadLicenseFile(String pathToLicFile) {
        try {
            loadLicenseFile(new FileInputStream(pathToLicFile));
        } catch (FileNotFoundException fnf) {
            fnf.printStackTrace();
        }
    }

    private static String getLicenseFilePath() throws URISyntaxException {
        String licfile = "./itextkey14714588134380.xml";
        String jarfile = SystemUtils.getClassPath(LicenseKey.class);
        String path = FilePathUtils.resolve(jarfile, licfile);
        System.out.println(path);
        return path;
    }

    private static String getTargetFilePath() {
        String file = "/temp/pdf/anchor.pdf";
        return FilePathUtils.normalize(file);
    }

    private static String getImageFilePath() {
        String file = "/temp/pdf/BK-logo-only.jpg";
        return FilePathUtils.normalize(file);
    }

    public static void generatePdf()
            throws DocumentException, URISyntaxException, MalformedURLException, IOException {
        String licFile = getLicenseFilePath();
        loadLicenseFile(licFile);

        String dest = getTargetFilePath();
        Document doc = new Document();
        PdfWriter.getInstance(doc, new FileOutputStream(dest));
        Rectangle pageSize = PageSize.LETTER;
        Rectangle rect = new Rectangle(0f, 0f, 50f, 100f);
        rect.setBorder(15);
        rect.setBorderColor(BaseColor.RED);
        rect.setBorderWidth(.5f);
        rect.setBackgroundColor(BaseColor.BLUE);
        doc.setPageSize(pageSize);
        doc.open();

        Page page = new Page(pageSize.getWidth(), pageSize.getHeight());
        ContentBox rpage = page.margin(new Float[] { 10f, 50f, 10f, 50f });

        for (Anchor anchor : Anchor.values()) {
            ContentBox box = new ContentBox(50f, 100f);
            float offx = anchor.equals(Anchor.CENTER) ? -50f : 0f;
            float offy = anchor.equals(Anchor.CENTER) ? -50f : 0f;

            ContentBox rr = anchor.anchorElement(rpage, box, offx, offy);

            if (anchor.equals(Anchor.BOTTOM_LEFT)) {
                float[] dim = box.scaleByPercentage(0.5f);
                //rr = rr.reposition(dim[0], dim[1], Anchor.TOP_RIGHT);
            }

            rect.setLeft(rr.getLeft());
            rect.setBottom(rr.getBottom());
            rect.setRight(rr.getRight());
            rect.setTop(rr.getTop());
            doc.add(rect);
        }
        String imageFile = getImageFilePath();
        Image image = Image.getInstance(imageFile);

        float width = Measurement.dotsToUserUnits(image.getWidth(), 1200);
        float height = Measurement.dotsToUserUnits(image.getHeight(), 1200);

        System.out.println(width + " " + height);

        ContentBox img = Anchor.BOTTOM_LEFT.anchorElement(rpage, width, height);

        image.scaleToFit(width, height);
        image.setAbsolutePosition(img.getLeft(), img.getBottom());

        System.out.println(image.getWidth() + " " + image.getHeight());
        System.out.println(image.getAbsoluteX() + " " + image.getAbsoluteY());

        doc.add(image);
        doc.close();
    }

    public static void main(String[] args)
            throws DocumentException, URISyntaxException, MalformedURLException, IOException {
        generatePdf();
        float f = 0f / 0f;
        System.out.println(Float.isNaN(f));
        System.out.println(f);
    }
}