Package org.verapdf.pd.font.cff

Class CFFType1FontProgram

java.lang.Object
org.verapdf.pd.font.cff.CFFType1FontProgram
All Implemented Interfaces:
FontProgram
public class CFFType1FontProgram extends Object implements FontProgram
Instance of this class represent a Type1 font from FontSet of CFF file.
Author:
Sergey Shemyakov

  • Field Details

    • attemptedParsing

      protected boolean attemptedParsing

    • successfullyParsed

      protected boolean successfullyParsed

    • DEFAULT_FONT_MATRIX

      protected static final float[] DEFAULT_FONT_MATRIX

    • stack

      protected ArrayList<CFFNumber> stack

    • globalSubrs

      protected CFFIndex globalSubrs

    • isSubset

      protected boolean isSubset

    • privateDictOffset

      protected long privateDictOffset

    • privateDictSize

      protected long privateDictSize

    • topDictBeginOffset

      protected long topDictBeginOffset

    • topDictEndOffset

      protected long topDictEndOffset

    • fontMatrix

      protected float[] fontMatrix

    • charStringsOffset

      protected long charStringsOffset

    • charSetOffset

      protected long charSetOffset

    • charStringType

      protected int charStringType

    • weight

      protected String weight

    • nGlyphs

      protected int nGlyphs

    • charStrings

      protected CFFIndex charStrings

    • widths

      protected CharStringsWidths widths

    • defaultWidthX

      protected int defaultWidthX

    • nominalWidthX

      protected int nominalWidthX

    • subrsOffset

      protected long subrsOffset

    • source

      protected SeekableInputStream source

    • definedNames

      protected CFFIndex definedNames

  • Method Details

    • parseFont

      public void parseFont() throws IOException
      This method does parsing of font, after it all the data needed should be extracted.
      Specified by:
      parseFont in interface FontProgram
      Throws:
      IOException - if error in font parsing occurs.

    • readTopDictOneByteOps

      protected void readTopDictOneByteOps(int lastRead)

    • getGlyphName

      public String getGlyphName(int code)
      Description copied from interface: FontProgram
      Returns glyph name for glyph with given code.
      Specified by:
      getGlyphName in interface FontProgram
      Parameters:
      code - is code of glyph.
      Returns:
      glyph name.

    • getAscent

      public Double getAscent()
      Specified by:
      getAscent in interface FontProgram

    • getDescent

      public Double getDescent()
      Specified by:
      getDescent in interface FontProgram

    • getWidth

      public float getWidth(int charCode)
      Returns width of glyph for given character code.
      Specified by:
      getWidth in interface FontProgram
      Parameters:
      charCode - is code for glyph.
      Returns:
      width of corresponding glyph or -1 if glyph is not found.

    • getWidthFromGID

      public float getWidthFromGID(int gid)

    • containsGID

      public boolean containsGID(int gid)

    • containsGlyph

      public boolean containsGlyph(String glyphName)
      Description copied from interface: FontProgram
      Checks if this font program has glyph for given glyph name.
      Specified by:
      containsGlyph in interface FontProgram
      Parameters:
      glyphName - is the name of glyph.
      Returns:
      true if this font program has glyph for given name.

    • getWidth

      public float getWidth(String charName)
      Returns width of glyph for given glyph name.
      Specified by:
      getWidth in interface FontProgram
      Parameters:
      charName - is name for glyph.
      Returns:
      width of corresponding glyph or -1 if glyph is not found.

    • containsCode

      public boolean containsCode(int code)
      Checks if font contains character with given code.
      Specified by:
      containsCode in interface FontProgram
      Parameters:
      code - is character code.
      Returns:
      true if font contains character with given code.

    • containsCID

      public boolean containsCID(int cid)
      Description copied from interface: FontProgram
      Method works only for fonts where cid notation is used.
      Specified by:
      containsCID in interface FontProgram
      Returns:
      true if font a is cid font and contains given cid.

    • getEncoding

      public String[] getEncoding()

    • getCharSet

      public Set<String> getCharSet()
      Returns:
      list of names for all glyphs in this font.

    • isAttemptedParsing

      public boolean isAttemptedParsing()
      Specified by:
      isAttemptedParsing in interface FontProgram
      Returns:
      true if font parsing has been attempted.

    • isSuccessfulParsing

      public boolean isSuccessfulParsing()
      Specified by:
      isSuccessfulParsing in interface FontProgram
      Returns:
      true if font was successfully parsed.

    • getCFFType1

      public static CFFType1FontProgram getCFFType1(FontProgram fontProgram)
      Gets CFF Type 1 font program for given font program (CFF font program with inner CFF Type 1 or CFF Type 1).
      Returns:
      CFF Type 1 font program or null if no CFF Type 1 font program can be obtained.

    • getCIDList

      public List<Integer> getCIDList()
      Specified by:
      getCIDList in interface FontProgram

    • readTopDictUnit

      protected void readTopDictUnit() throws IOException
      Throws:
      IOException

    • readTopDictTwoByteOps

      protected void readTopDictTwoByteOps(int lastRead) throws IOException
      Throws:
      IOException

    • readCharStrings

      protected void readCharStrings() throws IOException
      Throws:
      IOException

    • readPrivateDictUnit

      protected void readPrivateDictUnit() throws IOException
      Throws:
      IOException

    • getNGlyphs

      public int getNGlyphs()
      Returns:
      amount of glyphs in the font.

    • getFontProgramResource

      public ASFileStreamCloser getFontProgramResource()

    • getWeight

      public String getWeight()

    • readCard8

      protected int readCard8() throws IOException
      Throws:
      IOException

    • readCard16

      protected int readCard16() throws IOException
      Throws:
      IOException

    • readIndex

      protected CFFIndex readIndex() throws IOException
      Throws:
      IOException

    • readHeader

      protected void readHeader() throws IOException
      Throws:
      IOException

    • readNumber

      protected CFFNumber readNumber() throws IOException
      Throws:
      IOException

    • getStringBySID

      protected String getStringBySID(int sid) throws IOException
      Throws:
      IOException