A PdfFont that represents a CID-keyed font that has a CFF font backend (aka "CIDFontType0") More...

#include <PdfFontCIDCFF.h>

Inheritance diagram for PoDoFo::PdfFontCIDCFF:

Public Member Functions
bool	SupportsSubsetting () const override

PdfFontType	GetType () const override

Public Member Functions inherited from PoDoFo::PdfFont
bool	TryCreateProxyFont (PdfFont *&proxyFont) const
	Try create a replacement font that can be used for rendering or font program embedding based on this font characteristics.

bool	TryCreateProxyFont (PdfFontCreateFlags initFlags, PdfFont *&proxyFont) const

void	WriteStringToStream (OutputStream &stream, const std::string_view &str) const
	Write a string to a PdfObjectStream in a format so that it can be used with this font.

unsigned	GetGID (char32_t codePoint, PdfGlyphAccess access) const
	Get the GID by the codePoint.

bool	TryGetGID (char32_t codePoint, PdfGlyphAccess access, unsigned &gid) const

double	GetStringLength (const std::string_view &str, const PdfTextState &state) const
	Retrieve the width of a given text string in PDF units when drawn with the current font.

bool	TryGetStringLength (const std::string_view &str, const PdfTextState &state, double &width) const

double	GetEncodedStringLength (const PdfString &encodedStr, const PdfTextState &state) const
	Retrieve the width of a given encoded PdfString in PDF units when drawn with the current font.

bool	TryGetEncodedStringLength (const PdfString &encodedStr, const PdfTextState &state, double &length) const

bool	TryScanEncodedString (const PdfString &encodedStr, const PdfTextState &state, std::string &utf8str, std::vector< double > &lengths, std::vector< unsigned > &positions) const
	Scan string decoding unicode codepoints and obtaining glyphs lengths.

double	GetWordSpacingLength (const PdfTextState &state) const

double	GetSpaceCharLength (const PdfTextState &state) const

double	GetCharLength (char32_t codePoint, const PdfTextState &state, bool ignoreCharSpacing=false) const

bool	TryGetCharLength (char32_t codePoint, const PdfTextState &state, bool ignoreCharSpacing, double &width) const

bool	TryGetCharLength (char32_t codePoint, const PdfTextState &state, double &width) const

double	GetDefaultCharLength (const PdfTextState &state, bool ignoreCharSpacing=false) const

void	AddSubsetCIDs (const PdfString &encodedStr)
	Split the given string by white spaces.

bool	HasCIDSubset () const
	True if the font has defines a custom subset and needs CID /Encoding writing.

double	GetCIDWidth (unsigned cid) const
	Get the final unscaled width of a CID identifier from the provided /Widths, /W arrays.

double	GetLineSpacing (const PdfTextState &state) const
	Retrieve the line spacing for this font.

double	GetUnderlineThickness (const PdfTextState &state) const
	Get the width of the underline for the current font size in PDF units.

double	GetUnderlinePosition (const PdfTextState &state) const
	Return the position of the underline for the current font size in PDF units.

double	GetStrikeThroughPosition (const PdfTextState &state) const
	Return the position of the strikethrough for the current font size in PDF units.

double	GetStrikeThroughThickness (const PdfTextState &state) const
	Get the width of the strikethrough for the current font size in PDF units.

double	GetAscent (const PdfTextState &state) const
	Get the ascent of this font in PDF units for the current font size.

double	GetDescent (const PdfTextState &state) const
	Get the descent of this font in PDF units for the current font size.

bool	IsStandard14Font () const

bool	IsStandard14Font (PdfStandard14FontType &std14Font) const

bool	IsCIDFont () const
	True if the font is a composite CIDFont.

virtual bool	IsObjectLoaded () const
	True if the font is loaded from a PdfObject.

bool	IsSubsettingEnabled () const
	Check if this is a subsetting font.

bool	IsEmbeddingEnabled () const

std::string_view	GetSubsetPrefix () const

const PdfEncoding &	GetEncoding () const
	Returns a reference to the fonts encoding.

const PdfFontMetrics &	GetMetrics () const
	Returns a handle to the fontmetrics object of this font.

const std::string &	GetName () const
	Get the base font name of this font.

bool	IsProxy () const
	True if the font is substitute for embedding.

PdfObject &	GetDescendantFontObject ()

Protected Member Functions
void	embedFontFileSubset (const std::vector< PdfCharGIDInfo > &infos, const PdfCIDSystemInfo &cidInfo) override

Protected Member Functions inherited from PoDoFo::PdfFontCID
void	embedFont () override

void	embedFontSubset () override

PdfObject *	getDescendantFontObject () override

void	createWidths (PdfDictionary &fontDict, const cspan< PdfCharGIDInfo > &infos)

void	initImported () override
	Initialization tasks for imported/created from scratch fonts.

PdfObject &	GetDescendantFont ()

PdfObject &	GetDescriptor ()

Protected Member Functions inherited from PoDoFo::PdfFont
void	EmbedFontFile (PdfObject &descriptor)

void	EmbedFontFileType1 (PdfObject &descriptor, const bufferview &data, unsigned length1, unsigned length2, unsigned length3)

void	EmbedFontFileCFF (PdfObject &descriptor, const bufferview &data, bool cidKeyed)

void	EmbedFontFileTrueType (PdfObject &descriptor, const bufferview &data)

void	EmbedFontFileOpenType (PdfObject &descriptor, const bufferview &data)

bool	tryMapCIDToGIDLoadedMetrics (unsigned cid, unsigned &gid) const
	Try to map the CID to a glyph ID using the /FirstChar, /LastChar limits.

bool	tryMapCIDToGIDUnicode (unsigned cid, unsigned &gid) const
	Map the CID to a glyph ID in the font metrics using an Unicode map.

void	GetBoundingBox (PdfArray &arr) const

void	FillDescriptor (PdfDictionary &dict) const
	Fill the /FontDescriptor object dictionary.

bool	TryGetSubstituteCIDEncoding (std::unique_ptr< PdfEncodingMap > &cidEncodingMap) const
	Try getting a map that can be used to produce a replacement CID /Encoding object.

PdfCIDSystemInfo	GetCIDSystemInfo () const

std::vector< PdfCharGIDInfo >	GetCharGIDInfos ()
	Get an ordered list of CID/GID info entries.

Friends
class	PdfFont

Additional Inherited Members
Static Public Member Functions inherited from PoDoFo::PdfFont
static bool	TryCreateFromObject (PdfObject &obj, std::unique_ptr< PdfFont > &font)
	Create a new PdfFont from an existing font in a PDF file.

static bool	TryCreateFromObject (const PdfObject &obj, std::unique_ptr< const PdfFont > &font)

static std::string_view	GetStandard14FontName (PdfStandard14FontType stdFont)

static bool	IsStandard14Font (const std::string_view &fontName, PdfStandard14FontType &stdFont)
	Determine if font name is a Standard14 font.

static bool	IsStandard14Font (const std::string_view &fontName, bool useAltNames, PdfStandard14FontType &stdFont)
	Determine if font name is a Standard14 font.

Protected Attributes inherited from PoDoFo::PdfFont
PdfFontMetricsConstPtr	m_Metrics

std::unique_ptr< PdfEncoding >	m_Encoding

std::shared_ptr< PdfCharCodeMap >	m_DynamicCIDMap

std::shared_ptr< PdfCharCodeMap >	m_DynamicToUnicodeMap

Detailed Description

A PdfFont that represents a CID-keyed font that has a CFF font backend (aka "CIDFontType0")

Member Function Documentation

◆ embedFontFileSubset()

void PdfFontCIDCFF::embedFontFileSubset	(	const std::vector< PdfCharGIDInfo > &	infos,
		const PdfCIDSystemInfo &	cidInfo
	)

overrideprotectedvirtual

Implements PoDoFo::PdfFontCID.

◆ GetType()

PdfFontType PdfFontCIDCFF::GetType ( ) const

overridevirtual

Implements PoDoFo::PdfFont.

◆ SupportsSubsetting()

bool PdfFontCIDCFF::SupportsSubsetting ( ) const

overridevirtual

Reimplemented from PoDoFo::PdfFontCID.

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

src/podofo/main/PdfFontCIDCFF.h
src/podofo/main/PdfFontCIDCFF.cpp

Public Member Functions

Protected Member Functions

Friends

Additional Inherited Members

Detailed Description

Member Function Documentation

◆ embedFontFileSubset()

◆ GetType()

◆ SupportsSubsetting()