java 解析ttf字体文件

要了解ttf字体文件的原理更方便对代码的理解
package com.maoyan.movie.ttf.encode;public class PostTableHeader {public long format; public long italicAngle;public int  underlinePosition;public int  underlineThichness;public long  isFixedPitch;public long  minMemType42;public long  maxMemType42;public long  minMemType1;public long  maxMemType1;}package com.maoyan.movie.ttf.encode;public class TableDirectory {public String name; //table namepublic  int checkSum; //Check sumpublic int offset; //Offset from beginning of filepublic int length; //length of the table in bytes
}package com.maoyan.movie.ttf.encode;import java.io.IOException;
import java.io.RandomAccessFile;
import java.nio.charset.Charset;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Map;/*** @author 作者 :朱海川 ZH519080@163.com* @version 创建时间：2016年10月26日 下午10:29:55 类说明*/
public class TTFCodeParse {public TTFCodeParse() {// TODO Auto-generated constructor stub}public static int COPYRIGHT = 0;public static int FAMILY_NAME = 1;public static int FONT_SUBFAMILY_NAME = 2;public static int UNIQUE_FONT_IDENTIFIER = 3;public static int FULL_FONT_NAME = 4;public static int VERSION = 5;public static int POSTSCRIPT_NAME = 6;public static int TRADEMARK = 7;public static int MANUFACTURER = 8;public static int DESIGNER = 9;public static int DESCRIPTION = 10;public static int URL_VENDOR = 11;public static int URL_DESIGNER = 12;public static int LICENSE_DESCRIPTION = 13;public static int LICENSE_INFO_URL = 14;public String uni = "";private Map<Integer, String> fontProperties = new HashMap<Integer, String>();public String getFontName() {if (fontProperties.containsKey(FULL_FONT_NAME)) {return fontProperties.get(FULL_FONT_NAME);} else if (fontProperties.containsKey(FAMILY_NAME)) {return fontProperties.get(FAMILY_NAME);} else {return null;}}public String getFontPropertie(int nameID) {if (fontProperties.containsKey(nameID)) {return fontProperties.get(nameID);} else {return null;}}public Map<Integer, String> getFontProperties() {return fontProperties;}public String parseInner(String fileName) throws IOException {RandomAccessFile randomAccessFile = new RandomAccessFile(fileName, "r");ArrayList<String> arrayList = new ArrayList<String>();// Attribute attribute = new Attribute();int majorVersion = randomAccessFile.readShort();int minorVersion = randomAccessFile.readShort();int numOfTables = randomAccessFile.readShort();// if (majorVersion != 1 || minorVersion != 0) {// return ;// }// jump to TableDirectory structrandomAccessFile.seek(12);boolean found = false;byte[] buff = new byte[4];TableDirectory tableDirectory = new TableDirectory();for (int i = 0; i < numOfTables; i++) {randomAccessFile.read(buff);tableDirectory.name = new String(buff);tableDirectory.checkSum = randomAccessFile.readInt();tableDirectory.offset = randomAccessFile.readInt();tableDirectory.length = randomAccessFile.readInt();// System.out.println("*******************" + tableDirectory.name);if ("post".equalsIgnoreCase(tableDirectory.name)) {found = true;// System.out.println("talbe: post found!");// break;} else if (tableDirectory.name == null || tableDirectory.name.length() == 0) {break;}}// not found table of name//// if (!found) {// return;// }randomAccessFile.seek(tableDirectory.offset);if (found) {PostTableHeader postTableHeader = new PostTableHeader();postTableHeader.format = ttfGetFixed(randomAccessFile);postTableHeader.italicAngle = ttfGetFixed(randomAccessFile);postTableHeader.underlinePosition = ttfGetSHORT(randomAccessFile);postTableHeader.underlineThichness = ttfGetSHORT(randomAccessFile);postTableHeader.isFixedPitch = ttfGetLONG(randomAccessFile);postTableHeader.minMemType42 = ttfGetLONG(randomAccessFile);postTableHeader.maxMemType42 = ttfGetLONG(randomAccessFile);postTableHeader.minMemType1 = ttfGetLONG(randomAccessFile);postTableHeader.maxMemType1 = ttfGetLONG(randomAccessFile);if (postTableHeader.format == 0x00020000) {int numGlyphs = ttfGetSHORT(randomAccessFile);int[] glyphNameIndex = new int[numGlyphs];for (int i = 0; i < numGlyphs; i++) {glyphNameIndex[i] = ttfGetSHORT(randomAccessFile);}// long pos = randomAccessFile.getFilePointer();// randomAccessFile.seek(pos + 1);randomAccessFile.skipBytes(1);for (int i = 0; i < numGlyphs; i++) {if (glyphNameIndex[i] <= 257) {/* do nothing for standard Mac glyf name */} else if (glyphNameIndex[i] <= 32767) {/** non-standard glyf name is stored as a Pascal string* in the file i.e. the first byte is the length of the* string but the string is not ended with a null* character*/int len = ttfGetCHAR(randomAccessFile);byte[] bf = new byte[len];if (len > 0)randomAccessFile.read(bf);String uniCoding = new String(bf, Charset.forName("utf-8"));arrayList.add(uniCoding);}}}}// arrayList.toString().substring(4, 92).replaceAll(" ", "");// System.out.println(arrayList.toString().substring(4, 92).replaceAll("// ", ""));String maoyanencode = arrayList.toString().substring(4, 92).replaceAll(" ", "").replaceAll("uni", "").toLowerCase();return maoyanencode;}@Overridepublic String toString() {// TODO Auto-generated method stubreturn fontProperties.toString();}public static int ttfGetCHAR(RandomAccessFile file) {int cc = 0;try {cc = file.readUnsignedByte();} catch (IOException e) {// TODO Auto-generated catch blocke.printStackTrace();}return cc;}public static int ttfGetSHORT(RandomAccessFile file) {int cc = 0;try {cc = file.readUnsignedByte() << 8;cc |= file.readUnsignedByte();} catch (IOException e) {// TODO Auto-generated catch blocke.printStackTrace();}return (int) cc;}public static long ttfGetLONG(RandomAccessFile file) {int cc = 0;try {cc = file.readUnsignedByte() << 24;cc |= file.readUnsignedByte() << 16;cc |= file.readUnsignedByte() << 8;cc |= file.readUnsignedByte();} catch (IOException e) {// TODO Auto-generated catch blocke.printStackTrace();}return (long) cc;}public static long ttfGetFixed(RandomAccessFile file) {return (long) ttfGetLONG(file);}public void FixedSplit(long f, long b[]) {b[0] = f & 0xff00;b[1] = f >> 16;}}package com.maoyan.movie.ttf.encode;import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;import org.jsoup.Jsoup;
import org.jsoup.nodes.Document;
import org.jsoup.select.Elements;/*** @author 作者 E-mail: ZH519080@163.com* @version 创建时间：2016年11月10日 下午11:01:39 类说明 ：*/
public class DownParseTTF {//解析ttf字体文件public String parseTTF(String htmlsource) {TTFCodeParse ttfCodeParse = new TTFCodeParse();//解析电影的源码html文件Document document = Jsoup.parse(htmlsource);Elements headStyle = document.select("head style");Document headStyleDocu = Jsoup.parse(headStyle.html());String ttfFigureCode = "";if (!headStyleDocu.body().text().contains(".ttf")) {return "没有ttf文件解析";}else {//获取ttf字体文件下载链接String ttfURL = "http://" + headStyleDocu.body().text().substring(244, 310);//获取ttf字体文件的名称String ttfName = ttfURL.substring(33, ttfURL.length());//本地存放地址String savePath = "F:\\ttf\\";try {URL url = new URL(ttfURL);// 获取url链接反应HttpURLConnection conn = (HttpURLConnection) url.openConnection();// 设置超时间为10秒conn.setConnectTimeout(10 * 1000);// 防止屏蔽程序抓取而返回403错误conn.setRequestProperty("User-Agent","Mozilla/5.0 (Windows NT 10.0; WOW64; rv:49.0) Gecko/20100101 Firefox/49.0");// 得到输入流InputStream inputStream = conn.getInputStream();// 获取自己数组byte[] getData = readInputStream(inputStream);// 文件保存位置File saveDir = new File(savePath);if (!saveDir.exists()) {saveDir.mkdir();}File file = new File(saveDir + File.separator + ttfName);FileOutputStream fos = new FileOutputStream(file);fos.write(getData);//得到ttf字的编码,猫眼电影中的ttf文件是对0到9的解析编码，找到其一一对应的顺序ttfFigureCode = ttfCodeParse.parseInner(file.toString());if (fos != null) {fos.close();}if (inputStream != null) {inputStream.close();}// return code;} catch (MalformedURLException e) {// TODO Auto-generated catch blocke.printStackTrace();} catch (IOException e) {// TODO Auto-generated catch blocke.printStackTrace();}return ttfFigureCode;}//        return ttfFigureCode;}public static byte[] readInputStream(InputStream inputStream) throws IOException {byte[] buffer = new byte[1024];int len = 0;ByteArrayOutputStream bos = new ByteArrayOutputStream();while ((len = inputStream.read(buffer)) != -1) {bos.write(buffer, 0, len);}bos.close();return bos.toByteArray();}}

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