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      1 //  2016 and later: Unicode, Inc. and others.
      2 // License & terms of use: http://www.unicode.org/copyright.html#License
      3 /*
      4  *******************************************************************************
      5  * Copyright (C) 1998-2004, International Business Machines Corporation and    *
      6  * others. All Rights Reserved.                                                *
      7  *******************************************************************************
      8  *
      9  * Created on Dec 3, 2003
     10  *
     11  *******************************************************************************
     12  */
     13 package com.ibm.icu.dev.tool.layout;
     14 
     15 import java.io.PrintStream;
     16 
     17 
     18 public class GSUBWriter extends OpenTypeTableWriter
     19 {
     20     private ScriptList scriptList;
     21     private FeatureList featureList;
     22     private LookupList lookupList;
     23     private String scriptName;
     24 
     25     public GSUBWriter(String theScriptName, ScriptList theScriptList, FeatureList theFeatureList,
     26                       LookupList theLookupList)
     27     {
     28         super(1024);
     29 
     30         scriptList  = theScriptList;
     31         featureList = theFeatureList;
     32         lookupList  = theLookupList;
     33         scriptName  = theScriptName;
     34     }
     35 
     36     public void writeTable(PrintStream output)
     37     {
     38         System.out.println("writing " + scriptName + " GSUB table...");
     39 
     40         // 0x00010000 (fixed1) version number
     41         writeData(0x0001);
     42         writeData(0x0000);
     43 
     44         int listOffset = getOutputIndex();
     45 
     46         writeData(0); // script list offset (fixed later)
     47         writeData(0); // feature list offset (fixed later)
     48         writeData(0); // lookup list offset (fixed later)
     49 
     50         fixOffset(listOffset++, 0);
     51         scriptList.writeScriptList(this);
     52 
     53         fixOffset(listOffset++, 0);
     54         featureList.writeFeaturetList(this);
     55 
     56         fixOffset(listOffset++, 0);
     57         lookupList.writeLookupList(this);
     58 
     59         output.print("const le_uint8 ");
     60         output.print(scriptName);
     61         output.println("Shaping::glyphSubstitutionTable[] = {");
     62 
     63         dumpTable(output, 8);
     64         output.println("};\n");
     65     }
     66 }