org.librepdf.openpdf.examples.fonts.languages.Chinese Maven / Gradle / Ivy
package org.librepdf.openpdf.examples.fonts.languages;
import java.awt.Color;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import com.lowagie.text.Chunk;
import com.lowagie.text.Document;
import com.lowagie.text.Font;
import com.lowagie.text.Paragraph;
import com.lowagie.text.pdf.BaseFont;
import com.lowagie.text.pdf.PdfWriter;
import com.lowagie.toolbox.plugins.watermarker.Watermarker;
public class Chinese {
public static void main(String[] args) throws IOException {
// step 0: prepare font with chinese symbols
// Downloaded from:
// https://github.com/adobe-fonts/source-han-serif/blob/release/OTF/SimplifiedChinese/SourceHanSerifSC-Regular.otf
final String fontFile = "SourceHanSerifSC-Regular.otf";
BaseFont baseFont = BaseFont
.createFont(fontFile, BaseFont.IDENTITY_H, BaseFont.NOT_EMBEDDED);
final Font chineseFont = new Font(baseFont, 12, Font.NORMAL);
// step 1: Prepare document for chinese text
Document document = new Document();
ByteArrayOutputStream pdfOutput = new ByteArrayOutputStream();
PdfWriter.getInstance(document, pdfOutput);
document.open();
// step 2: we add content to the document
document.add(new Chunk("Chinese Poetry: 中文", chineseFont));
document.add(new Paragraph("李白《赠汪伦》", chineseFont));
document.add(new Paragraph("李白乘舟将欲行，", chineseFont));
document.add(new Paragraph("忽闻岸上踏歌声。", chineseFont));
document.add(new Paragraph("桃花潭水深千尺，", chineseFont));
document.add(new Paragraph("不及汪伦送我行。", chineseFont));
// step 3: we close the document
document.close();
// step 4: (optional) some watermark with chinese text
String watermark = "水印 (Watermark)";
final byte[] pdfBytesWithWaterMark =
new Watermarker(pdfOutput.toByteArray(), watermark, 64, 0.3f)
.withColor(Color.RED)
.withFont(chineseFont.getBaseFont())
.write();
// step 5: write the output to a file
final Path target = Paths.get(Chinese.class.getSimpleName() + ".pdf");
Files.write(target, pdfBytesWithWaterMark);
}
}