2018년 3월 24일 토요일

[Java] PDF Document Creation



Download apache pdfbox-app-2.0.9.jar 

1. PDF Document Creation


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import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;

import org.apache.pdfbox.pdmodel.PDDocument;
import org.apache.pdfbox.pdmodel.PDPage;
import org.apache.pdfbox.pdmodel.PDPageContentStream;
import org.apache.pdfbox.pdmodel.PDPageTree;
import org.apache.pdfbox.pdmodel.common.PDRectangle;
import org.apache.pdfbox.pdmodel.font.PDFont;
import org.apache.pdfbox.pdmodel.font.PDType0Font;
import org.apache.pdfbox.pdmodel.font.PDType1Font;
import org.apache.pdfbox.pdmodel.graphics.image.PDImageXObject;

public class PdfCreate {

    PDDocument document;
    PDPage page;
    PDPageContentStream stream;
    PDFont font;
    PDFont boldFont;
    PDRectangle pageSize;
    String filename;
    
    int fontSize;
    int topMargin;
    int bottomMargin;
    int leftMargin;
    int rightMargin;
    int currX;
    int currY;
    
    public PdfCreate(String fileName) throws IOException {
        this.document = new PDDocument();
        this.filename = fileName;

        this.topMargin = 72;
        this.bottomMargin = 72;
        this.leftMargin = 36;
        this.rightMargin = 36;

        this.font = PDType1Font.HELVETICA; 
        this.boldFont = PDType1Font.HELVETICA_BOLD; 
        this.fontSize = 14;

        newPage();

    }
    
    public void loadFont(String fontFile, String boldFile) {

        try {
            this.font = PDType0Font.load(document, new File(fontFile));
        } catch (IOException e) {
            this.font = PDType1Font.HELVETICA; 
        }
        try {
            this.boldFont = PDType0Font.load(document, new File(boldFile));
        } catch (IOException e) {
            this.boldFont = PDType1Font.HELVETICA_BOLD; 
        }
    }
        
    public void save() {
        try {
            if( this.stream != null ) {
                this.stream.close();
            }
            this.document.save(this.filename);
            this.document.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }   
    
    private int convY(int y) {
        return getPageHeight() - y - 1;
    }

    public boolean newPage() throws IOException {
        if( this.stream != null ) {
            this.stream.close();
        }
        this.page = new PDPage(PDRectangle.A4);
        this.document.addPage( this.page );
        this.stream = new PDPageContentStream( this.document, this.page );
        this.currX = this.leftMargin;
        this.currY = this.topMargin;    
        return true;
    }
    
    public void pageInfo() {
        PDPageTree pages = this.document.getDocumentCatalog().getPages();
        //pages.get(0);
        //this.document.getPage(0);
        //this.document.getPages();
        printf( "Pages: " + pages.getCount() );
    }
    
    public int getPageWidth() {
        return (int)this.page.getMediaBox().getWidth();
    }

    public int getPageContentWidth() {
        return (int)(getPageWidth() - getLeftMargin() - getRightMargin());
    }
        
    public int getPageHeight() {
        return (int)this.page.getMediaBox().getHeight();
    }

    public int getLeftMargin() {
        return this.leftMargin;
    }

    public int getRightMargin() {
        return this.rightMargin;
    }
    
    public int getTopMargin() {
        return this.topMargin;
    }
    
    public int getBottomMargin() {
        return this.bottomMargin;
    }

    private int getTextWidth( String text ) {
        try {
            return (int)((this.font.getStringWidth(text)/1000)*this.fontSize);
        } catch (IOException e) {
            e.printStackTrace();
            return 0;
        }
    }

    public boolean printText(String text, int color, PDFont textFont) {
        try {   
            List<String> lines = new ArrayList<String>();
            int width = getPageWidth() - getLeftMargin() - getRightMargin();
            int lastSpace = -1;
            while( text.length() > 0 ) {
                int spaceIndex = text.indexOf(' ', lastSpace + 1);
                if (spaceIndex < 0) {
                    spaceIndex = text.length();
                }
                String subString = text.substring(0, spaceIndex);
                float size = this.fontSize * textFont.getStringWidth(subString) / 1000;
                if( size > width ) {
                    if( lastSpace < 0 ) {
                        lastSpace = spaceIndex;
                    }
                    subString = text.substring(0, lastSpace);
                    lines.add(subString);
                    text = text.substring(lastSpace).trim();
                    lastSpace = -1;
                } else if( spaceIndex == text.length() ) {
                    lines.add(text);
                    text = "";
                } else {
                    lastSpace = spaceIndex;
                }
            }

            for (String line: lines) {
                this.stream.beginText();
                this.stream.setFont(textFont, this.fontSize);
                this.stream.setNonStrokingColor((color/0x10000)%0x100, (color/0x100)%0x100, color%0x100);
                this.currY += this.fontSize * 1.5;
                printf("" + getLeftMargin() + "," + this.currY );
                printf(line);
                this.stream.newLineAtOffset( getLeftMargin(), convY(this.currY) );
                this.stream.showText(line);
                this.stream.endText(); 
            }
            return true;
        } catch (IOException e) {
            e.printStackTrace();
            return false;
        }
    }
    
    public boolean printText(String text) {     
        return printText(text, 0, this.font);
    }
    
    public boolean printTextBold(String text) {     
        return printText(text, 0, this.boldFont);
    }

    public boolean printText(String text, int color) {      
        return printText(text, color, this.font);
    }

    public boolean printTextBold(String text, int color) {      
        return printText(text, color, this.boldFont);
    }

    public void drawLine( int x1, int y1, int x2, int y2 ) {
        int width = 1;
        int color = 0;
        try {
            this.stream.setLineWidth(width);
            this.stream.setStrokingColor( (color/0x10000)%0x100, (color/0x100)%0x100, color%0x100);
            this.stream.moveTo( x1, convY((int)y1) );
            this.stream.lineTo( x2, convY((int)y2) );
            this.stream.stroke();
        } catch (IOException e) {
            e.printStackTrace();
        }  
    }
    
    public void printLine() {
        printf("printLine(): " + this.currY);
        drawLine( getLeftMargin(), this.currY, getPageWidth()-getRightMargin(), this.currY);
    }
    
    public int drawImage( float x, float y, String fileName ) {
        try {
            PDImageXObject image = PDImageXObject.createFromFile(fileName, this.document);
            y += image.getHeight();
            this.stream.drawImage(image, x, convY((int)y));
            return image.getHeight();
        } catch (IOException e) {
            e.printStackTrace();
            return 0;
        }       
    }
    
    public void printImage( String fileName ) {
        currY += drawImage( (float)getLeftMargin(), (float)currY, fileName );
    }
    
    void printf(String s) {
        System.out.println(s);
    }
    
    public static void main(String[] args) throws IOException {
        System.out.println("Begin !");
        String s = "I am trying to create a PDF file with a lot of text contents in the document. I am using PDFBox";
        PdfCreate pdf = new PdfCreate("D:/document.pdf");
        pdf.loadFont("malgun.ttf",  "malgunbd.ttf");
        pdf.printLine();
        pdf.printText(s);
        pdf.printImage("D:/image.png");
        pdf.printTextBold(s);
        pdf.printText(s, 0xff0000);
        pdf.printTextBold(s, 0xff0000);
        pdf.printText(" ");
        pdf.printLine();
        pdf.save();
        System.out.println("End !");
    }
}


Output:









2. PDF Document Creation (Old Version)


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package javapdfcreate;

import java.io.IOException;
import org.apache.pdfbox.pdmodel.PDDocument;
import org.apache.pdfbox.pdmodel.PDPage;
import org.apache.pdfbox.pdmodel.PDPageContentStream;
import org.apache.pdfbox.pdmodel.common.PDRectangle;
import org.apache.pdfbox.pdmodel.font.PDType1Font;
import org.apache.pdfbox.pdmodel.graphics.image.PDImageXObject;

public class JavaPdfCreate {
    
    PDDocument doc;
    PDPage page;
    PDPageContentStream pageStream;
    
    public JavaPdfCreate() {
        doc = new PDDocument();
    }
    
    public void addPage() throws IOException {
        page = new PDPage(PDRectangle.A4);
        doc.addPage(page);
        if( pageStream != null ) {
            pageStream.close();
        }
        pageStream = new PDPageContentStream( doc, page );
    }
    
    float getPageWidth() {
        return page.getArtBox().getWidth();
    }
    
    float getPageHeight() {
        return page.getArtBox().getHeight();
    }
         
    public void save(String filename) throws IOException {
        if( pageStream != null ) {
            pageStream.close();
        }
        doc.save(filename);
        doc.close();
    }
    
    public void putString( float x, float y, String text, int color ) throws IOException {
        pageStream.beginText();
        pageStream.setFont( PDType1Font.HELVETICA_BOLD, 12 );
        pageStream.moveTextPositionByAmount( x, getPageHeight()-(y+12) );
        pageStream.setNonStrokingColor((color/0x10000)%0xff, (color/0x100)%0xff, color%0xff);
        pageStream.drawString( text ); //new String( text.getBytes("utf-8"), "ksc5601"));
        pageStream.endText();
    }    
    
    public void putLine( float x1, float y1, float x2, float y2, int width, int color ) throws IOException {
        pageStream.setLineWidth(width);
        pageStream.setStrokingColor( (color/0x10000)%0x100, (color/0x100)%0x100, color%0x100);
        pageStream.drawLine( x1, getPageHeight()-y1, x2, getPageHeight()-y2 ); 
    }

    public void putImage( float x, float y, String image, float w, float h ) throws IOException {
        PDImageXObject img = PDImageXObject.createFromFile( image, doc );
        float img_w = w > 0 ? w : img.getWidth();
        float img_h = h > 0 ? h : img.getHeight();
        if( img_w > (getPageWidth()-x) ) {
            float ratio = (getPageWidth()-x) / img_w;
            img_w = (getPageWidth()-x);
            img_h *= ratio;
        }
        pageStream.drawXObject( img, x, getPageHeight()-(y+img_h+1), img_w, img_h );
    }

    public static void main(String[] args) {
        JavaPdfCreate pdf = new JavaPdfCreate();
        try {
            pdf.addPage();
            pdf.putLine( 48.0f, 48.0f, pdf.getPageWidth()-48.0f, 48.0f, 2, 0x000000 );
            pdf.putString( 48.0f, 54.0f, "Hello PdfBox World !", 0x000000 );
            pdf.putImage( 48.0f, 70.0f, "D:/barstack.png", 0, 0);
            pdf.save("D:/a.pdf");
        } catch (IOException e) {
            e.printStackTrace();
        }
    }  
}


Result: (D:/a.pdf)



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