This is a common base class for simple, non CID-keyed fonts like Type1, TrueType and Type3. More...

#include <PdfFontSimple.h>

Inheritance diagram for PoDoFo::PdfFontSimple:

Protected Member Functions
void	embedFont () override final

void	embedFontSubset () override final

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

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

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

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

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

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

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

bool	tryMapCIDToGIDNormal (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	WriteDescriptors (PdfDictionary &fontDict, PdfDictionary &descriptorDict) 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 () const
	Get an ordered list of CID/GID info entries.

virtual PdfObject *	getDescendantFontObject ()

Protected Attributes
PdfObject *	m_Descriptor

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

Friends
class	PdfFontTrueType

class	PdfFontType1

class	PdfFontType3

Additional Inherited Members
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	GetHardSpacingLength (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.

virtual bool	SupportsSubsetting () const

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.

PdfFontType	GetType () const

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 ()

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.

Detailed Description

This is a common base class for simple, non CID-keyed fonts like Type1, TrueType and Type3.

Member Function Documentation

◆ embedFont()

void PdfFontSimple::embedFont ( )

finaloverrideprotectedvirtual

Reimplemented from PoDoFo::PdfFont.

◆ embedFontSubset()

void PdfFontSimple::embedFontSubset ( )

finaloverrideprotectedvirtual

Reimplemented from PoDoFo::PdfFont.

◆ initImported()

void PdfFontSimple::initImported ( )

overrideprotectedvirtual

Initialization tasks for imported/created from scratch fonts.

Reimplemented from PoDoFo::PdfFont.

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

src/podofo/main/PdfFontSimple.h
src/podofo/main/PdfFontSimple.cpp

Protected Member Functions

Protected Attributes

Friends

Additional Inherited Members

Detailed Description

Member Function Documentation

◆ embedFont()

◆ embedFontSubset()

◆ initImported()