itext5和itext7操作pdf平铺和图层叠加(tiling, and N-upping)

区别

itext5 生成pdf版本:1.4(Acrobat5.x)

itext7 生成pdf版本:1.7(Acrobat8.x)

iText7生成的pdf文件大, itext7 Java库更加系统和完善

iText测试版本和功能描述

itext5

<dependency>

    <groupId>com.itextpdf</groupId>

    <artifactId>itextpdf</artifactId>

    <version>5.5.13</version>

</dependency>

itext7

<dependency>

    <groupId>com.itextpdf</groupId>

    <artifactId>itext7-core</artifactId>

    <version>7.1.8</version>

    <type>pom</type>

</dependency>

描述: pdf稿件平铺和生成条形码

示例代码

itext5

package com.demo.controller;

import com.itextpdf.text.*;

import com.itextpdf.text.Rectangle;

import com.itextpdf.text.pdf.*;

import java.io.FileOutputStream;

import java.io.IOException;

import com.itextpdf.text.Document;

import com.itextpdf.text.pdf.BaseFont;

import com.itextpdf.text.pdf.PdfContentByte;

import com.itextpdf.text.pdf.PdfImportedPage;

import com.itextpdf.text.pdf.PdfReader;

import com.itextpdf.text.pdf.PdfWriter;

import java.io.File;

import java.util.ArrayList;

import java.util.List;

public class HelloController {

    public static final String OUTDIR = "results/big/";

    private float _PT_CM_RATE = 0.352736F;

    private static float _PILLOW_HEIGHT = 70F / 0.352736F;

    private static float _PILLOW_WIDTH = 47F / 0.352736F;

    public static void main(String args[]) throws IOException {

        File file = new File(OUTDIR);

        file.getParentFile().mkdirs();

        try {

            double random = Math.random();

            new HelloController().createCodePdf(OUTDIR+"all"+random+".pdf");

            new HelloController().createRowPdf(OUTDIR+"row"+random+".pdf");

        }catch (Exception e)

        {

            System.out.println(e.getMessage());

        }

    }

    public void createCodePdf(String dest) throws IOException, DocumentException {

        List<String> arrayList = new ArrayList<String>();

        arrayList.add("results/test_three_01.pdf");

        arrayList.add("results/test_three_02.pdf");

        arrayList.add("results/test_three_03.pdf");

        arrayList.add("results/test_three_04.pdf");

        arrayList.add("results/test_three_05.pdf");

        arrayList.add("results/test_three_06.pdf");

        arrayList.add("results/test_three_07.pdf");

        arrayList.add("results/test_three_08.pdf");

        arrayList.add("results/test_three_09.pdf");

        arrayList.add("results/test_three_10.pdf");

        //生成文件的pdfDoc对象

        Document document = new Document(new Rectangle(707 / _PT_CM_RATE, 1081 / _PT_CM_RATE));

        PdfWriter pdfWriter = PdfWriter.getInstance(document, new FileOutputStream(dest));

        document.open();

        PdfContentByte canvas = pdfWriter.getDirectContent();

        //1.添加两边黑光标

        PdfReader pdfBlack = new PdfReader("results/black_47.pdf");

        Rectangle pageSize = pdfBlack.getPageSize(1);

        final float pdfBlackWidth = pageSize.getWidth();

        PdfImportedPage pageBlackCopy = pdfWriter.getImportedPage(pdfBlack, 1);

        int rowWorkNum = 18;

        int rowCodeNum = 5;

        //2.遍历稿件list

        for (int i = 1; i <= rowWorkNum+rowCodeNum; i++)

        {

            canvas.addTemplate(pageBlackCopy, 0, _PILLOW_WIDTH*(i-1) );

            canvas.addTemplate(pageBlackCopy,_PILLOW_HEIGHT*10+pdfBlackWidth,_PILLOW_WIDTH*(i-1));

        }

        int j = 0;

        PdfImportedPage workPdfPage;

        for (String work : arrayList) {

            //读取稿件内容

            PdfReader workPdf = new PdfReader(work);

            workPdfPage = pdfWriter.getImportedPage(workPdf, 1);

            for (int i = 1; i <= rowWorkNum; i++) {

                canvas.addTemplate(workPdfPage, 0, -1, 1, 0, _PILLOW_HEIGHT * j + pdfBlackWidth, _PILLOW_WIDTH * (i + 5));

            }

            j++;

        }

        //3.遍历条形码

        //遍历条形码底图

        PdfReader pdfBlackCode = new PdfReader("results/black_100.pdf");

        PdfImportedPage pageBlackCodeCopy = pdfWriter.getImportedPage(pdfBlackCode, 1);

        for(int jj=1; jj<=10; jj++){

            Barcode128 barcode = new Barcode128();

            barcode.setCodeType(Barcode.CODE128);

            barcode.setBarHeight(14);

            barcode.setX(0.4F);

            barcode.setBaseline(23f);

            barcode.setCode("1954745454544_3-"+jj);

            barcode.setTextAlignment(0);

            PdfTemplate templateWithBarcode = barcode.createTemplateWithBarcode(canvas, BaseColor.BLACK, BaseColor.BLACK);

            barcode.setFont(BaseFont.createFont("c:/windows/fonts/simkai.ttf", BaseFont.IDENTITY_H,false));

            barcode.setAltText("进口量煎熬副科级第三方");

            PdfTemplate templateWithBarcodeText = barcode.createTemplateWithBarcode(canvas, BaseColor.BLACK, BaseColor.BLACK);

            barcode.setAltText("");

            PdfTemplate templateWithBarcodeNone = barcode.createTemplateWithBarcode(canvas, BaseColor.BLACK, BaseColor.BLACK);

            for(int i=1; i<=rowCodeNum; i++){

                canvas.addTemplate(pageBlackCodeCopy,0,-1,1,0,(jj-1)*_PILLOW_HEIGHT+pdfBlackWidth,(i)*_PILLOW_WIDTH);

                canvas.addTemplate(templateWithBarcodeText, 0, -1, 1, 0, 52 + (jj - 1) * _PILLOW_HEIGHT + pdfBlackWidth, (i) * _PILLOW_WIDTH - 25);

                canvas.addTemplate(templateWithBarcode, 0, -1, 1, 0, 67 + (jj - 1) * _PILLOW_HEIGHT + pdfBlackWidth, (i) * _PILLOW_WIDTH - 25);

                canvas.addTemplate(templateWithBarcodeNone, 0, -1, 1, 0, 82 + (jj - 1) * _PILLOW_HEIGHT + pdfBlackWidth, (i) * _PILLOW_WIDTH - 25);

                canvas.addTemplate(templateWithBarcodeNone, 0, -1, 1, 0, 97 + (jj - 1) * _PILLOW_HEIGHT + pdfBlackWidth, (i) * _PILLOW_WIDTH - 25);

            }

        }

        //4.关闭资源

        document.close();

        pdfBlack.close();

        pdfBlackCode.close();

    }

    public void createRowPdf(String dest) throws IOException , DocumentException{

        List<String> arrayList = new ArrayList<String>();

        arrayList.add("results/test_three_01.pdf");

        arrayList.add("results/test_three_02.pdf");

        arrayList.add("results/test_three_03.pdf");

        arrayList.add("results/test_three_04.pdf");

        arrayList.add("results/test_three_05.pdf");

        arrayList.add("results/test_three_06.pdf");

        arrayList.add("results/test_three_07.pdf");

        arrayList.add("results/test_three_08.pdf");

        arrayList.add("results/test_three_09.pdf");

        arrayList.add("results/test_three_10.pdf");

        //生成文件的pdfDoc对象

        Document document = new Document(new Rectangle(707 / _PT_CM_RATE, 47/ _PT_CM_RATE));

        PdfWriter pdfWriter = PdfWriter.getInstance(document, new FileOutputStream(dest));

        document.open();

        PdfContentByte canvas = pdfWriter.getDirectContent();

        //1.添加两边黑光标

        PdfReader pdfBlack = new PdfReader("results/black_47.pdf");

        Rectangle pageSize = pdfBlack.getPageSize(1);

        final float pdfBlackWidth = pageSize.getWidth();

        PdfImportedPage pageBlackCopy = pdfWriter.getImportedPage(pdfBlack, 1);

        int rowWorkNum = 1;

        int rowCodeNum = 0;

        //2.遍历稿件list

        for (int i = 1; i <= rowWorkNum+rowCodeNum; i++)

        {

            canvas.addTemplate(pageBlackCopy, 0, _PILLOW_WIDTH*(i-1) );

            canvas.addTemplate(pageBlackCopy,_PILLOW_HEIGHT*10+pdfBlackWidth,_PILLOW_WIDTH*(i-1));

        }

        int j = 0;

        PdfImportedPage workPdfPage;

        for (String work : arrayList) {

            //读取稿件内容

            PdfReader workPdf = new PdfReader(work);

            workPdfPage = pdfWriter.getImportedPage(workPdf, 1);

            for (int i = 1; i <= rowWorkNum; i++) {

                canvas.addTemplate(workPdfPage, 0, -1, 1, 0, _PILLOW_HEIGHT * j + pdfBlackWidth, _PILLOW_WIDTH * (i));

            }

            j++;

        }

        //关闭资源

        document.close();

        pdfBlack.close();

    }

}

itext7

package com.demo.controller;

import com.itextpdf.io.font.PdfEncodings;

import com.itextpdf.io.font.constants.StandardFonts;

import com.itextpdf.io.image.ImageDataFactory;

import com.itextpdf.kernel.font.PdfFont;

import com.itextpdf.kernel.font.PdfFontFactory;

import com.itextpdf.barcodes.Barcode128;

import com.itextpdf.barcodes.Barcode1D;

import com.itextpdf.io.font.FontConstants;

import com.itextpdf.io.image.ImageData;

import com.itextpdf.io.image.ImageType;

import com.itextpdf.kernel.geom.PageSize;

import com.itextpdf.kernel.geom.Rectangle;

import com.itextpdf.kernel.pdf.PdfDocument;

import com.itextpdf.kernel.pdf.PdfPage;

import com.itextpdf.kernel.pdf.PdfReader;

import com.itextpdf.kernel.pdf.PdfWriter;

import com.itextpdf.kernel.pdf.canvas.PdfCanvas;

import com.itextpdf.kernel.pdf.xobject.PdfFormXObject;

import com.itextpdf.kernel.geom.AffineTransform;

import com.itextpdf.layout.Document;

import com.itextpdf.layout.element.Paragraph;

import com.itextpdf.kernel.PdfException;

import com.itextpdf.kernel.colors.Color;

import com.itextpdf.kernel.colors.ColorConstants;

import com.itextpdf.kernel.colors.DeviceRgb;

import org.apache.pdfbox.cos.COSBase;

import org.apache.pdfbox.cos.COSDictionary;

import org.apache.pdfbox.cos.COSName;

import org.apache.pdfbox.pdmodel.PDDocument;

import org.apache.pdfbox.pdmodel.PDPage;

import org.springframework.stereotype.Controller;

import org.springframework.web.bind.annotation.RequestMapping;

import org.springframework.web.bind.annotation.ResponseBody;

import java.awt.*;

import java.awt.image.BufferedImage;

import java.io.ByteArrayOutputStream;

import java.io.File;

import java.io.FileOutputStream;

import java.io.IOException;

import java.util.ArrayList;

import java.util.HashMap;

import java.util.List;

import java.util.Map;

import com.itextpdf.layout.element.Text;

import static com.itextpdf.svg.SvgConstants.Tags.IMAGE;

public class HelloController {

    public static final String DEST = "results/big/wwww"+Math.random()+".pdf";

    private float _PT_CM_RATE = 0.352736F;

    private static float _PILLOW_HEIGHT = 70F / 0.352736F;

    private static float _PILLOW_WIDTH = 47F / 0.352736F;

    public static void main(String args[]) throws IOException {

        File file = new File(DEST);

        file.getParentFile().mkdirs();

//        new HelloController().createCodePdf(DEST);

        new HelloController().createRowPdf(DEST);

    }

    public void createCodePdf(String dest) throws IOException {

        List<String> arrayList = new ArrayList<String>();

        arrayList.add("results/test_three_01.pdf");

        arrayList.add("results/test_three_02.pdf");

        arrayList.add("results/test_three_03.pdf");

        arrayList.add("results/test_three_04.pdf");

        arrayList.add("results/test_three_05.pdf");

        arrayList.add("results/test_three_06.pdf");

        arrayList.add("results/test_three_07.pdf");

        arrayList.add("results/test_three_08.pdf");

        arrayList.add("results/test_three_09.pdf");

        arrayList.add("results/test_three_10.pdf");

        //生成文件的pdfDoc对象

        PdfWriter dfWriter = new PdfWriter(dest);

        dfWriter.setSmartMode(true);

        PdfDocument pdf = new PdfDocument(dfWriter);

        PageSize nUpPageSize = new PageSize(707 / _PT_CM_RATE, 1081 / _PT_CM_RATE);

//        PageSize nUpPageSize = new PageSize(707 / _PT_CM_RATE, 510 / _PT_CM_RATE);

        PdfPage page = pdf.addNewPage(nUpPageSize);

        //画布的生成

        PdfCanvas canvas = new PdfCanvas(page);

        //Scale page

        AffineTransform transformationMatrix = AffineTransform.getScaleInstance(1, 1);

        canvas.concatMatrix(transformationMatrix);//不旋转

        //添加右侧黑光标

        PdfDocument pdfBlack = new PdfDocument(new PdfReader("results/black_47.pdf"));

        PdfPage blackPage = pdfBlack.getPage(1);

        Rectangle origBlack = blackPage.getPageSize();

        PdfFormXObject pageBlackCopy = blackPage.copyAsFormXObject(pdf);

        int rowWorkNum = 18;

        int rowCodeNum = 5;

        //遍历稿件list

        for (int i = 1; i <= rowWorkNum; i++)

            canvas.addXObject(pageBlackCopy, 0, _PILLOW_WIDTH*(i+4) );

        int j = 0;

        for (String work : arrayList) {

            //System.out.println(work);

            //读取稿件内容

            PdfDocument workPdf = new PdfDocument(new PdfReader(work));

            PdfPage workPdfPage = workPdf.getPage(1);

            PdfFormXObject workPdfPageForm = workPdfPage.copyAsFormXObject(pdf);

            for (int i = 1; i <= rowWorkNum; i++) {

                canvas.addXObject(workPdfPageForm, 0, -1, 1, 0, _PILLOW_HEIGHT * j + origBlack.getWidth(), _PILLOW_WIDTH * (i + 5));

            }

            workPdf.close();

            j++;

        }

        for (int i = 1; i <= rowWorkNum; i++)

            canvas.addXObject(pageBlackCopy,_PILLOW_HEIGHT*10+origBlack.getWidth(),_PILLOW_WIDTH*(i+4));

        //遍历条形码

        //遍历条形码底图

        PdfDocument codeBackPdf = new PdfDocument(new PdfReader("results/black_100.pdf"));

        PdfPage codeBackPage = codeBackPdf.getPage(1);

        Rectangle codeBackPageRectangle = codeBackPage.getPageSize();

        PdfFormXObject codeBackPageForm = codeBackPage.copyAsFormXObject(pdf);

        for(int i=1; i<=rowCodeNum; i++){

            canvas.addXObject(pageBlackCopy, 0, _PILLOW_WIDTH*(i-1) );

            for(int jj=1; jj<=10; jj++){

                canvas.addXObject(codeBackPageForm,0,-1,1,0,(jj-1)*_PILLOW_HEIGHT+origBlack.getWidth(),(i)*_PILLOW_WIDTH);

                String myString = "1954745454544_3-1";

                Barcode128 barcode = new Barcode128(pdf);

                barcode.setCode(myString);

                barcode.setCodeType(Barcode128.CODE128);

                barcode.setBaseline(23f);

                barcode.setAltText("进口量煎熬副科级第三方");

                barcode.setFont(PdfFontFactory.createFont("c:/windows/fonts/simkai.ttf", PdfEncodings.IDENTITY_H,false));

                barcode.setTextAlignment(Barcode1D.ALIGN_LEFT);

                barcode.setBarHeight(14);

                barcode.setX(0.45F);

                PdfFormXObject pdfImg = barcode.createFormXObject(pdf);

                barcode.setAltText("1954745454544_3-1");

                PdfFormXObject pdfImgCode = barcode.createFormXObject(pdf);

                barcode.setAltText("");

                PdfFormXObject pdfImgOnly = barcode.createFormXObject(pdf);

                //canvas.add(p);

                canvas.addXObject(pdfImg,0,-1,1,0,52+(jj-1)*_PILLOW_HEIGHT+origBlack.getWidth(),(i)*_PILLOW_WIDTH-25);

                canvas.addXObject(pdfImgCode,0,-1,1,0,67+(jj-1)*_PILLOW_HEIGHT+origBlack.getWidth(),(i)*_PILLOW_WIDTH-25);

                canvas.addXObject(pdfImgOnly,0,-1,1,0,82+(jj-1)*_PILLOW_HEIGHT+origBlack.getWidth(),(i)*_PILLOW_WIDTH-25);

                canvas.addXObject(pdfImgOnly,0,-1,1,0,97+(jj-1)*_PILLOW_HEIGHT+origBlack.getWidth(),(i)*_PILLOW_WIDTH-25);

            }

            canvas.addXObject(pageBlackCopy,_PILLOW_HEIGHT*10+origBlack.getWidth(),_PILLOW_WIDTH*(i-1));

        }

        pdfBlack.close();

        pdf.close();

    }

    public void createRowPdf(String dest) throws IOException {

        List<String> arrayList = new ArrayList<String>();

        arrayList.add("results/test_three_01.pdf");

        arrayList.add("results/test_three_02.pdf");

        arrayList.add("results/test_three_03.pdf");

        arrayList.add("results/test_three_04.pdf");

        arrayList.add("results/test_three_05.pdf");

        arrayList.add("results/test_three_06.pdf");

        arrayList.add("results/test_three_07.pdf");

        arrayList.add("results/test_three_08.pdf");

        arrayList.add("results/test_three_09.pdf");

        arrayList.add("results/test_three_10.pdf");

        //生成文件的pdfDoc对象

        PdfDocument pdf = new PdfDocument(new PdfWriter(dest));

        System.out.println(pdf.getPdfVersion());

        PageSize nUpPageSize = new PageSize(707 / _PT_CM_RATE, 47 / _PT_CM_RATE);

        PdfPage page = pdf.addNewPage(nUpPageSize);

        //画布的生成

        PdfCanvas canvas = new PdfCanvas(page);

        //Scale page

        AffineTransform transformationMatrix = AffineTransform.getScaleInstance(1, 1);

        canvas.concatMatrix(transformationMatrix);//不旋转

        //添加右侧黑光标

        PdfDocument pdfBlack = new PdfDocument(new PdfReader("results/black_47.pdf"));

        PdfPage blackPage = pdfBlack.getPage(1);

        Rectangle origBlack = blackPage.getPageSize();

        PdfFormXObject pageBlackCopy = blackPage.copyAsFormXObject(pdf);

        canvas.addXObject(pageBlackCopy, 0, 0);

        //遍历稿件list

        int j = 0;

        for (String work : arrayList) {

            //读取稿件内容

            PdfDocument workPdf = new PdfDocument(new PdfReader(work));

            PdfPage workPdfPage = workPdf.getPage(1);

            //pdf转化为图片资源

//            byte[] contentBytes = workPdfPage.getContentBytes();

//            ImageData image = ImageDataFactory.create(contentBytes);

//            canvas.addImage(image, 0,-1,1,0,_PILLOW_HEIGHT*j+origBlack.getWidth(),_PILLOW_WIDTH);

            //pdf转化为formX

            PdfFormXObject workPdfPageForm = workPdfPage.copyAsFormXObject(pdf);

            canvas.addXObject(workPdfPageForm, 0,-1,1,0,_PILLOW_HEIGHT*j+origBlack.getWidth(),_PILLOW_WIDTH);

            workPdf.close();

            j++;

        }

        canvas.addXObject(pageBlackCopy,_PILLOW_HEIGHT*10+origBlack.getWidth(),0);

        pdfBlack.close();

        pdf.close();

    }

}

参考文章

https://itextpdf.com/en/resources/books/itext-7-jump-start-tutorial-java/chapter-6-reusing-existing-pdf-documents

https://itextpdf.com/en/resources/examples/itext-5-legacy/chapter-6-working-existing-pdfs

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itext5和itext7操作pdf平铺和图层叠加(tiling, and N-upping)

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