fop/src/org/apache/fop/pdf/PDFCMap.java

/*-- $Id$ --

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                   The Apache Software License, Version 1.1
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    Copyright (C) 1999 The Apache Software Foundation. All rights reserved.

 Redistribution and use in source and binary forms, with or without modifica-
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    this list of conditions and the following disclaimer.

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    include  the following  acknowledgment:  "This product includes  software
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 This software  consists of voluntary contributions made  by many individuals
 on  behalf of the Apache Software  Foundation and was  originally created by
 James Tauber <jtauber@jtauber.com>. For more  information on the Apache
 Software Foundation, please see <http://www.apache.org/>.

 */
package org.apache.fop.pdf;

/**
 * class representing the CMap encodings.
 *
 * CMaps are defined on page 215 and onwards.
 * The predefined CMap names are drawn from Table 7.20
 * on pages 215, 216 and 217 .
 */
public class PDFCMap extends PDFStream {
	/** Chinese (simplified) */
	public static final String GB_EUC_H= "GB-EUC-H";
	public static final String GB_EUC_V= "GB_EUC_V";
	public static final String GBpc_EUC_H= "GBpc-EUC-H";
	public static final String GBpc_EUC_V= "GBpc-EUC-V";
	public static final String GBK_EUC_H= "GBK-EUC-H";
	public static final String GBK_EUC_V= "GBK-EUC-V";
	public static final String UniGB_UCS2_H= "UniGB-UCS2-H";
	public static final String UniGB_UCS2_V= "UniGB-UCS2-V";
	/** Chinese (traditional) */
	public static final String B5pc_H= "B5pc-H";
	public static final String B5pc_V= "B5pc-V";
	public static final String ETen_B5_H= "ETen-B5-H";
	public static final String ETen_B5_V= "ETen-B5-V";
	public static final String ETenms_B5_H= "ETenms-B5-H";
	public static final String ETenms_B5_V= "ETenms-B5-V";
	public static final String CNS_EUC_H= "CNS-EUC-H";
	public static final String CNS_EUC_V= "CNS-EUC-V";
	public static final String UniCNS_UCS2_H= "UniCNS-UCS2-H";
	public static final String UniCNS_UCS2_V= "UniCNS-UCS2-V";
	/** Japanese */
	public static final String _83pv_RKSJ_H= "83pv-RKSJ-H"; // no V version
	public static final String _90ms_RKSJ_H= "90ms-RKSJ-H";
	public static final String _90ms_RKSJ_V= "90ms-RKSJ-V";
	public static final String _90msp_RKSJ_H= "90msp-RKSJ-H";
	public static final String _90msp_RKSJ_V= "90msp-RKSJ-V";
	public static final String _90pv_RKSJ_H= "90pv-RKSJ-H"; // no V version
	public static final String Add_RKSJ_H= "Add-RKSJ-H";
	public static final String Add_RKSJ_V= "Add-RKSJ-V";
	public static final String EUC_H= "EUC-H";
	public static final String EUC_V= "EUC-V";
	public static final String Ext_RKSJ_H= "Ext-RKSJ-H";
	public static final String Ext_RKSJ_V= "Ext-RKSJ-V";
	public static final String H= "H";
	public static final String V= "V";
	public static final String UniJIS_UCS2_H= "UniJIS-UCS2-H";
	public static final String UniJIS_UCS2_V= "UniJIS-UCS2-V";
	public static final String UniJIS_UCS2_HW_H= "UniJIS-UCS2-HW-H";
	public static final String UniJIS_UCS2_HW_V= "UniJIS-UCS2-HW-V";
	/** Korean */
	public static final String KSC_EUC_H= "KSC-EUC-H";
	public static final String KSC_EUC_V= "KSC-EUC-V";
	public static final String KSCms_UHC_H= "KSCms-UHC-H";
	public static final String KSCms_UHC_V= "KSCms-UHC-V";
	public static final String KSCms_UHC_HW_H= "KSCms-UHC-HW-H";
	public static final String KSCms_UHC_HW_V= "KSCms-UHC-HW-V";
	public static final String KSCpc_EUC_H= "KSCpc-EUC-H"; // no V version
	public static final String UniKSC_UCS2_H= "UniKSC-UCS2-H";
	public static final String UniKSC_UCS2_V= "UniKSC-UCS2-V";
	/** Generic */
	public static final String Identity_H= "Identity-H";
	public static final String Identity_V= "Identity-V";

	/** /CMapName attribute, one of the predefined constants */
	protected String name;

	/** /CIDSystemInfo attribute */
	protected PDFCIDSystemInfo sysInfo;

	/** horizontal writing direction */
	public static final byte WMODE_HORIZONTAL = 0;
	/** vertical writing direction */
	public static final byte WMODE_VERTICAL = 1;
	/** font's writing direction */
	protected byte wMode = WMODE_HORIZONTAL;

	/** base CMap (String or PDFStream) */
	protected Object base;

	/**
	 * create the /CMap object
	 *
	 * @param name one the registered names (see Table 7.20 on p 215)
	 * @param sysInfo the attributes of the character collection of the CIDFont
	 */
	public PDFCMap(int number, String name, PDFCIDSystemInfo sysInfo) {
		super(number);
		this.name = name;
		this.sysInfo = sysInfo;
		this.base = null;
	}

	/**
	 * set the writing direction
	 *
	 * @param mode is either <code>WMODE_HORIZONTAL</code>
	 * or <code>WMODE_VERTICAL</code>
	 */
	public void setWMode(byte mode) {
		this.wMode = mode;
	}

    public void addContents() {
        StringBuffer p=new StringBuffer();
        fillInPDF(p);
        add(p.toString());
    }
    
	/**
	 * set the base CMap
	 *
	 * @param base the name of the base CMap (see Table 7.20)
	 */
	public void setUseCMap(String base) {
		this.base = base;
	}

	/**
	 * set the base CMap
	 *
	 * @param base the stream to be used as base CMap
	 */
	public void setUseCMap(PDFStream base) {
		this.base = base;
	}

	public void fillInPDF(StringBuffer p) {
                //p.append("/Type /CMap\n");
                //p.append(sysInfo.toPDFString());
                //p.append("/CMapName /" + name);
                //p.append("\n");
            p.append("%!PS-Adobe-3.0 Resource-CMap\n");
            p.append("%%DocumentNeededResources: ProcSet (CIDInit)\n");
            p.append("%%IncludeResource: ProcSet (CIDInit)\n");
            p.append("%%BeginResource: CMap (" + name + ")\n");
            p.append("%%EndComments\n");
            
            p.append("/CIDInit /ProcSet findresource begin\n");
            p.append("12 dict begin\n");
            p.append("begincmap\n");
            
            p.append("/CIDSystemInfo 3 dict dup begin\n");
            p.append("  /Registry (Adobe) def\n");
            p.append("  /Ordering (Identity) def\n");
            p.append("  /Supplement 0 def\n");
            p.append("end def\n");

            p.append("/CMapVersion 1 def\n");
            p.append("/CMapType 1 def\n");
            p.append("/CMapName /" + name + " def\n");

            p.append("1 begincodespacerange\n");
            p.append("<0000> <FFFF>\n");
            p.append("endcodespacerange\n");
            p.append("1 begincidrange\n");
            p.append("<0000> <FFFF> 0\n");
            p.append("endcidrange\n");
            
                //p.append("1 beginbfrange\n");
                //p.append("<0020> <0100> <0000>\n");
                //p.append("endbfrange\n");
            
            p.append("endcmap\n");
            p.append("CMapName currentdict /CMap defineresource pop\n");
            p.append("end\n");
            p.append("end\n");
            p.append("%%EndResource\n");
            p.append("%%EOF\n");
                /*
            p.append(" /Type /CMap\n/CMapName /" + name);
            p.append("\n"); 
            p.append("\n/WMode "); p.append(wMode);
            if (base != null) {
                p.append("\n/UseCMap ");
                if (base instanceof String) {
                    p.append("/"+base);
                } else {	// base instanceof PDFStream
                    p.append(((PDFStream)base).referencePDF());
                }
            }
            */
	}
}