org.apache.fop.pdf
Class PDFToUnicodeCMap

java.lang.Object
  org.apache.fop.pdf.PDFObject
      org.apache.fop.pdf.AbstractPDFStream
          org.apache.fop.pdf.PDFStream
              org.apache.fop.pdf.PDFCMap
                  org.apache.fop.pdf.PDFToUnicodeCMap

public class PDFToUnicodeCMap

extends PDFCMap

Class representing ToUnicode CMaps. Here are some documentation resources:

• PDF Reference, Second Edition, Section 5.6.4, for general information about CMaps in PDF Files.
• PDF Reference, Second Edition, Section 5.9, for specific information about ToUnicodeCMaps in PDF Files.
• Adobe Technical Note #5411, "ToUnicode Mapping File Tutorial".

Field Summary

protected CIDFont

cidFont handle to read font

Fields inherited from class org.apache.fop.pdf.PDFCMap

base, ENC_83PV_RKSJ_H, ENC_90MS_RKSJ_H, ENC_90MS_RKSJ_V, ENC_90MSP_RKSJ_H, ENC_90MSP_RKSJ_V, ENC_90PV_RKSJ_H, ENC_ADD_RKSJ_H, ENC_ADD_RKSJ_V, ENC_B5PC_H, ENC_B5PC_V, ENC_CNS_EUC_H, ENC_CNS_EUC_V, ENC_ETEN_B5_H, ENC_ETEN_B5_V, ENC_ETENMS_B5_H, ENC_ETENMS_B5_V, ENC_EUC_H, ENC_EUC_V, ENC_EXT_RKSJ_H, ENC_EXT_RKSJ_V, ENC_GB_EUC_H, ENC_GB_EUC_V, ENC_GBK_EUC_H, ENC_GBK_EUC_V, ENC_GBK2K_H, ENC_GBK2K_V, ENC_GBKP_EUC_H, ENC_GBKP_EUC_V, ENC_GBPC_EUC_H, ENC_GBPC_EUC_V, ENC_H, ENC_HKSCS_B5_H, ENC_HKSCS_B5_V, ENC_IDENTITY_H, ENC_IDENTTITY_V, ENC_KSC_EUC_H, ENC_KSC_EUC_V, ENC_KSCMS_UHC_H, ENC_KSCMS_UHC_HW_H, ENC_KSCMS_UHC_HW_V, ENC_KSCMS_UHC_V, ENC_KSCPC_EUC_H, ENC_UNICNS_UCS2_H, ENC_UNICNS_UCS2_V, ENC_UNIGB_UCS2_H, ENC_UNIGB_UCS2_V, ENC_UNIJIS_UCS2_H, ENC_UNIJIS_UCS2_HW_H, ENC_UNIJIS_UCS2_HW_V, ENC_UNIJIS_UCS2_V, ENC_UNIKSC_UCS2_H, ENC_UNIKSC_UCS2_V, ENC_V, name, sysInfo, wMode, WMODE_HORIZONTAL, WMODE_VERTICAL

Fields inherited from class org.apache.fop.pdf.PDFStream

data

Fields inherited from class org.apache.fop.pdf.PDFObject

DATE_FORMAT, log

Constructor Summary

PDFToUnicodeCMap(CIDFont cidMetrics, java.lang.String name, PDFCIDSystemInfo sysInfo)
Constructor.

Method Summary

void	fillInPDF(java.lang.StringBuffer p) Fill in the pdf string for this CMap.
static java.lang.String	padHexString(java.lang.String input, int numChars) Prepends the input string with a sufficient number of "0" characters to get the returned string to be numChars length.
protected void	writeBFCharEntries(java.lang.StringBuffer p, char[] charArray) Writes the entries for single characters of a base font (only characters which cannot be expressed as part of a character range).
protected void	writeBFEntries(java.lang.StringBuffer p) Writes the character mappings for this font.
protected void	writeBFRangeEntries(java.lang.StringBuffer p, char[] charArray) Writes the entries for character ranges for a base font.
protected void	writeCIDSystemInfo(java.lang.StringBuffer p)
protected void	writeVersionTypeName(java.lang.StringBuffer p)

Methods inherited from class org.apache.fop.pdf.PDFCMap

addContents, output, setUseCMap, setUseCMap, setWMode, writeCIDInit, writeCIDRange, writeCodeSpaceRange, writePreStream, writeStreamAfterComments, writeStreamComments, writeUseCMap, writeWrapUp

Methods inherited from class org.apache.fop.pdf.PDFStream

add, getDataLength, getSizeHint, outputRawStreamData, setData

Methods inherited from class org.apache.fop.pdf.AbstractPDFStream

buildStreamDict, encodeAndWriteStream, encodeStream, getFilterList, outputStreamData, prepareImplicitFilters, setupFilterList

Methods inherited from class org.apache.fop.pdf.PDFObject

encode, encodeString, encodeText, formatDateTime, getDocument, getDocumentSafely, getGeneration, getObjectID, getObjectNumber, hasObjectNumber, referencePDF, setDocument, setObjectNumber, toPDF, toPDFString

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

cidFont

protected CIDFont cidFont

handle to read font

Constructor Detail

PDFToUnicodeCMap

public PDFToUnicodeCMap(CIDFont cidMetrics,
                        java.lang.String name,
                        PDFCIDSystemInfo sysInfo)

Constructor.

Parameters:

cidMetrics - the CID font for which this Unicode CMap is built

name - One of the registered names found in Table 5.14 in PDF Reference, Second Edition.

sysInfo - The attributes of the character collection of the CIDFont.

Method Detail

fillInPDF

public void fillInPDF(java.lang.StringBuffer p)

Description copied from class: PDFCMap

Fill in the pdf string for this CMap.

Overrides:

fillInPDF in class PDFCMap

Parameters:

p - the string buffer to add the pdf data to

See Also:

PDFCMap.fillInPDF(java.lang.StringBuffer)

writeCIDSystemInfo

protected void writeCIDSystemInfo(java.lang.StringBuffer p)

Overrides:

writeCIDSystemInfo in class PDFCMap

See Also:

PDFCMap.writeCIDSystemInfo(java.lang.StringBuffer)

writeVersionTypeName

protected void writeVersionTypeName(java.lang.StringBuffer p)

Overrides:

writeVersionTypeName in class PDFCMap

See Also:

PDFCMap.writeVersionTypeName(java.lang.StringBuffer)

writeBFEntries

protected void writeBFEntries(java.lang.StringBuffer p)

Writes the character mappings for this font.

Overrides:

writeBFEntries in class PDFCMap

Parameters:

p - StingBuffer to write to

writeBFCharEntries

protected void writeBFCharEntries(java.lang.StringBuffer p,
                                  char[] charArray)

Writes the entries for single characters of a base font (only characters which cannot be expressed as part of a character range).

Parameters:

p - StringBuffer to write to

charArray - all the characters to map

writeBFRangeEntries

protected void writeBFRangeEntries(java.lang.StringBuffer p,
                                   char[] charArray)

Writes the entries for character ranges for a base font.

Parameters:

p - StringBuffer to write to

charArray - all the characters to map

padHexString

public static java.lang.String padHexString(java.lang.String input,
                                            int numChars)

Prepends the input string with a sufficient number of "0" characters to get the returned string to be numChars length.

Parameters:

input - The input string.

numChars - The minimum characters in the output string.

Returns:

The padded string.