wxPdfFontSubsetTrueType Class Reference

Class representing TrueType Font Subsets. (For internal use only) More...

#include <pdffontsubsettruetype.h>

Inheritance diagram for wxPdfFontSubsetTrueType:

List of all members.

Public Member Functions
	wxPdfFontSubsetTrueType (const wxString &fileName, int fontIndex=0, bool isMacCoreText=false)
	Default constructor.
virtual	~wxPdfFontSubsetTrueType ()
	Default destructor.
wxMemoryOutputStream *	CreateSubset (wxInputStream *inFont, wxPdfSortedArrayInt *glyphsUsed, bool includeCmap=false)
	Create subset of a font.
Public Member Functions inherited from wxPdfFontParserTrueType
	wxPdfFontParserTrueType ()
	Default constructor.
virtual	~wxPdfFontParserTrueType ()
	Default destructor.
wxPdfFontData *	IdentifyFont (const wxString &fontFileName, int fontIndex)
	Identify font based on a font file.
bool	LoadFontData (wxPdfFontData *fontData)
	Load the font data.
int	GetCollectionFontCount (const wxString &fontFileName)
	Get the number of fonts within a font collection.
Public Member Functions inherited from wxPdfFontParser
	wxPdfFontParser ()
	Default constructor.
virtual	~wxPdfFontParser ()
	Default destructor.
void	SeekI (int offset)
	Seek to offset in default input stream.
void	SeekI (int offset, wxInputStream *stream)
	Seek to offset in specific input stream.
int	TellI ()
	Tell current position in default input stream.
int	TellI (wxInputStream *stream)
	Tell current position in specific input stream.
void	SkipBytes (int count)
	Skip bytes in default input stream.
void	SkipBytes (int count, wxInputStream *stream)
	Skip bytes in specific input stream.
int	ReadInt ()
	Read integer from default input stream.
short	ReadShort ()
	Read short integer from default input stream.
unsigned short	ReadUShort ()
	Read unsigned short integer from default input stream.
unsigned char	ReadByte ()
	Read byte from default input stream.
unsigned char	ReadByte (wxInputStream *stream)
	Read byte from specific input stream.
wxString	ReadString (int length)
	Read string from default input stream.
wxString	ReadString (int length, wxInputStream *stream)
	Read string from specific input stream.
wxString	ReadUnicodeString (int length)
	Read Unicode string from default input stream.
short	ReadShortLE (wxInputStream *stream)
	Read short integer from specific input stream in little endian mode.
unsigned short	ReadUShortLE (wxInputStream *stream)
	Read unsigned short integer from specific input stream in little endian mode.
unsigned int	ReadUIntLE (wxInputStream *stream)
	Read unsigned integer from specific input stream in little endian mode.
wxString	ReadString (wxInputStream &stream)
	Read string from specific input stream.

Protected Member Functions
bool	ReadLocaTable ()
	Read 'loca' table.
bool	CheckGlyphs ()
	Check glyphs.
void	FindGlyphComponents (int glyph)
	Find the components of a glyph.
void	CreateNewTables ()
	Create a new table.
void	WriteSubsetFont ()
	Write the subset of the font.
void	WriteShort (int n)
	Write a short integer to the default output stream.
void	WriteInt (int n)
	Write an integer to the default output stream.
void	WriteString (const wxString &s)
	Write a stringto the default output stream.
void	WriteShortToBuffer (int n, char buffer[2])
	Write a short integer to a buffer.
void	WriteIntToBuffer (int n, char buffer[4])
	Write an integer to a buffer.
Protected Member Functions inherited from wxPdfFontParserTrueType
void	ClearTableDirectory ()
	Clear the table directory.
void	LockTable (const wxString &tableName)
	Lock font table.
void	ReleaseTable ()
	Release font table.
int	CalculateChecksum (const char *b, size_t length)
	Calculate a check sum.
wxPdfFontData *	IdentifyFont ()
	Identify a font.
bool	PrepareFontData (wxPdfFontData *fontData)
	Prepare the font data.
bool	CheckTables ()
	Check whether the font contains all required tables.
void	CheckCff ()
	Check whether the font is in compact font format (CFF)
void	CheckRestrictions ()
	Check the font's access restrictions.
wxString	GetBaseFont ()
	Get the base name of the font.
wxArrayString	GetUniqueNames (int id)
	Get a list of unique names.
wxArrayString	GetNames (int id, bool namesOnly=true)
	Get font names.
wxString	GetEnglishName (int id)
	Get the English language font name.
bool	ReadMaps ()
	Read font maps.
bool	ReadGlyphWidths (int numberOfHMetrics, int unitsPerEm)
	Read the glyph widths.
void	ReadKerning (int unitsPerEm)
	Read kerning information.
bool	ReadTableDirectory ()
	Read table directory.
wxPdfCMap *	ReadFormat0 ()
	Read a Format 0 CMap.
wxPdfCMap *	ReadFormat4 ()
	Read a Format 4 CMap.
wxPdfCMap *	ReadFormat6 ()
	Read a Format 6 CMap.
wxPdfCMap *	ReadFormat12 ()
	Read a Format 12 CMap.
int	GetGlyphWidth (unsigned int glyph)
	Get the width of a specific glyph.

Additional Inherited Members
Protected Attributes inherited from wxPdfFontParserTrueType
size_t	m_directoryOffset
	offset of the table directory
wxPdfTableDirectory *	m_tableDirectory
	table directory of the font
bool	m_isMacCoreText
	Flag whether a Mac Core Text font is to be parsed.
Protected Attributes inherited from wxPdfFontParser
wxString	m_fileName
	File name of the font file.
wxString	m_fontName
	Name of font.
wxInputStream *	m_inFont
	Font file input stream.
wxString	m_style
	Font style.

---

Detailed Description

Class representing TrueType Font Subsets. (For internal use only)

---

Constructor & Destructor Documentation

wxPdfFontSubsetTrueType::wxPdfFontSubsetTrueType	(	const wxString &	fileName,
		int	fontIndex = 0,
		bool	isMacCoreText = false
	)

Default constructor.

virtual wxPdfFontSubsetTrueType::~wxPdfFontSubsetTrueType ( )

virtual

Default destructor.

---

Member Function Documentation

bool wxPdfFontSubsetTrueType::CheckGlyphs ( )

protected

Check glyphs.

void wxPdfFontSubsetTrueType::CreateNewTables ( )

protected

Create a new table.

wxMemoryOutputStream* wxPdfFontSubsetTrueType::CreateSubset	(	wxInputStream *	inFont,
		wxPdfSortedArrayInt *	glyphsUsed,
		bool	includeCmap = false
	)

Create subset of a font.

Parameters:

inFont	stream containing the font data
glyphsUsed	a list of used glyphs
includeCmap	flag whether to include the CMap table

Returns:

the stream containing the font subset

void wxPdfFontSubsetTrueType::FindGlyphComponents ( int  glyph )

protected

Find the components of a glyph.

bool wxPdfFontSubsetTrueType::ReadLocaTable ( )

protected

Read 'loca' table.

void wxPdfFontSubsetTrueType::WriteInt ( int  n )

protected

Write an integer to the default output stream.

void wxPdfFontSubsetTrueType::WriteIntToBuffer ( int  n, char  buffer[4]  )

protected

Write an integer to a buffer.

void wxPdfFontSubsetTrueType::WriteShort ( int  n )

protected

Write a short integer to the default output stream.

void wxPdfFontSubsetTrueType::WriteShortToBuffer ( int  n, char  buffer[2]  )

protected

Write a short integer to a buffer.

void wxPdfFontSubsetTrueType::WriteString ( const wxString &  s )

protected

Write a stringto the default output stream.

void wxPdfFontSubsetTrueType::WriteSubsetFont ( )

protected

Write the subset of the font.

---

The documentation for this class was generated from the following file:

• pdffontsubsettruetype.h