Sun Font Tools Exported Functions

Functions
int	vcl::CountTTCFonts (const char *fname)
	Get the number of fonts contained in a TrueType collection. More...
SFErrCodes	vcl::OpenTTFontBuffer (const void *pBuffer, sal_uInt32 nLen, sal_uInt32 facenum, TrueTypeFont **ttf, const FontCharMapRef xCharMap=nullptr)
	TrueTypeFont constructor. More...
SFErrCodes	vcl::OpenTTFontFile (const char *fname, sal_uInt32 facenum, TrueTypeFont **ttf, const FontCharMapRef xCharMap=nullptr)
	TrueTypeFont constructor. More...
void	vcl::CloseTTFont (TrueTypeFont *)
	TrueTypeFont destructor. More...
int	vcl::GetTTGlyphPoints (AbstractTrueTypeFont *ttf, sal_uInt32 glyphID, ControlPoint **pointArray)
	Extracts TrueType control points, and stores them in an allocated array pointed to by *pointArray. More...
GlyphData *	vcl::GetTTRawGlyphData (AbstractTrueTypeFont *ttf, sal_uInt32 glyphID)
	Extracts raw glyph data from the 'glyf' table and returns it in an allocated GlyphData structure. More...
int	vcl::GetTTGlyphComponents (AbstractTrueTypeFont *ttf, sal_uInt32 glyphID, std::vector< sal_uInt32 > &glyphlist)
	For a specified glyph adds all component glyphs IDs to the list and return their number. More...
int	vcl::GetTTNameRecords (AbstractTrueTypeFont const *ttf, NameRecord **nr)
	Extracts all Name Records from the font and stores them in an allocated array of NameRecord structs. More...
void	vcl::DisposeNameRecords (NameRecord *nr, int n)
	Deallocates previously allocated array of NameRecords. More...
SFErrCodes	vcl::CreateT3FromTTGlyphs (TrueTypeFont *ttf, FILE *outf, const char *fname, sal_uInt16 const *glyphArray, sal_uInt8 *encoding, int nGlyphs, int wmode)
	Generates a new PostScript Type 3 font and dumps it to outf file. More...
SFErrCodes	vcl::CreateTTFromTTGlyphs (AbstractTrueTypeFont *ttf, const char *fname, sal_uInt16 const *glyphArray, sal_uInt8 const *encoding, int nGlyphs)
	Generates a new TrueType font and dumps it to outf file. More...
SFErrCodes	vcl::CreateT42FromTTGlyphs (TrueTypeFont *ttf, FILE *outf, const char *psname, sal_uInt16 const *glyphArray, sal_uInt8 *encoding, int nGlyphs)
	Generates a new PostScript Type42 font and dumps it to outf file. More...
std::unique_ptr< sal_uInt16[]>	vcl::GetTTSimpleGlyphMetrics (AbstractTrueTypeFont const *ttf, const sal_uInt16 *glyphArray, int nGlyphs, bool vertical)
	Queries glyph metrics. More...
void	vcl::GetTTGlobalFontInfo (TrueTypeFont *ttf, TTGlobalFontInfo *info)
	Returns global font information about the TrueType font. More...
bool	vcl::GetTTGlobalFontHeadInfo (const AbstractTrueTypeFont *ttf, int &xMin, int &yMin, int &xMax, int &yMax, sal_uInt16 &macStyle)
	Returns part of the head table info, normally collected by GetTTGlobalFontInfo. More...
void	vcl::GetTTFontMetrics (const uint8_t *pHhea, size_t nHhea, const uint8_t *pOs2, size_t nOs2, TTGlobalFontInfo *info)
	Returns fonts metrics. More...

Detailed Description

Function Documentation

void VCL_DLLPUBLIC vcl::CloseTTFont

(

TrueTypeFont *

)

TrueTypeFont destructor.

Deallocates the memory.

Definition at line 1155 of file sft.cxx.

Referenced by EmbeddedFontsHelper::sufficientTTFRights().

int vcl::CountTTCFonts

(

const char *

fname

)

Get the number of fonts contained in a TrueType collection.

Parameters

fname

- file name

Returns

number of fonts or zero, if file is not a TTC file.

Definition at line 1006 of file sft.cxx.

References FILE, vcl::GetUInt32(), and vcl::T_ttcf.

SFErrCodes vcl::CreateT3FromTTGlyphs	(	TrueTypeFont *	ttf,
		FILE *	outf,
		const char *	fname,
		sal_uInt16 const *	glyphArray,
		sal_uInt8 *	encoding,
		int	nGlyphs,
		int	wmode
	)

Generates a new PostScript Type 3 font and dumps it to outf file.

This function substitutes glyph 0 for all glyphIDs that are not found in the font.

Parameters

ttf	pointer to the TrueTypeFont structure
outf	the resulting font is written to this stream
fname	font name for the new font. If it is NULL the PostScript name of the original font will be used
glyphArray	pointer to an array of glyphs that are to be extracted from ttf
encoding	array of encoding values. encoding[i] specifies the position of the glyph glyphArray[i] in the encoding vector of the resulting Type3 font
nGlyphs	number of glyph IDs in glyphArray and encoding values in encoding
wmode	writing mode for the output file: 0 - horizontal, 1 - vertical

Returns

return the value of SFErrCodes enum

See also

SFErrCodes

Definition at line 1424 of file sft.cxx.

References vcl::BadArg, vcl::BSplineToPSPath(), vcl::TrueTypeFont::fsize, vcl::GetInt16(), vcl::GetTTGlyphOutline(), vcl::GetUInt16(), vcl::AbstractTrueTypeFont::glyphCount(), vcl::GlyphNum, i, n, vcl::O_head, vcl::Ok, vcl::TrueTypeFont::psname, vcl::TrueTypeFont::ptr, table, vcl::TrueTypeFont::table(), type, vcl::AbstractTrueTypeFont::unitsPerEm(), and vcl::XUnits().

Referenced by FontSubsetInfo::CreateFontSubsetFromSfnt().

SFErrCodes vcl::CreateT42FromTTGlyphs	(	TrueTypeFont *	ttf,
		FILE *	outf,
		const char *	psname,
		sal_uInt16 const *	glyphArray,
		sal_uInt8 *	encoding,
		int	nGlyphs
	)

Generates a new PostScript Type42 font and dumps it to outf file.

This function substitutes glyph 0 for all glyphIDs that are not found in the font.

Parameters

ttf	pointer to the TrueTypeFont structure
outf	output stream for a resulting font
psname	PostScript name of the resulting font
glyphArray	pointer to an array of glyphs that are to be extracted from ttf. The first element of this array has to be glyph 0 (default glyph)
encoding	array of encoding values. encoding[i] specifies character code for the glyphID glyphArray[i]. Character code 0 usually points to a default glyph (glyphID 0)
nGlyphs	number of glyph IDs in glyphArray and encoding values in encoding

Returns

SFErrCodes::Ok - no errors SFErrCodes::GlyphNum - too many glyphs (> 255) SFErrCodes::TtFormat - corrupted TrueType fonts

See also

SFErrCodes

hhea

maxp

cvt

prep

fpgm

glyf

Definition at line 1840 of file sft.cxx.

References vcl::AddTable(), assert(), vcl::DumpSfnts(), vcl::TrueTypeFont::family, vcl::AbstractTrueTypeFont::fileName(), vcl::TrueTypeFont::fsize, vcl::GetInt16(), vcl::GetInt32(), vcl::GetTTRawGlyphData(), vcl::GetUInt16(), vcl::glyfAdd(), vcl::glyfCount(), vcl::GlyphNum, vcl::HEAD_created_offset, vcl::HEAD_flags_offset, vcl::HEAD_fontDirectionHint_offset, vcl::HEAD_fontRevision_offset, vcl::HEAD_lowestRecPPEM_offset, vcl::HEAD_macStyle_offset, vcl::HEAD_majorVersion_offset, vcl::HEAD_unitsPerEm_offset, vcl::HEAD_xMax_offset, vcl::HEAD_xMin_offset, vcl::HEAD_yMax_offset, vcl::HEAD_yMin_offset, vcl::HHEA_ascender_offset, vcl::HHEA_caretSlopeRise_offset, vcl::HHEA_caretSlopeRun_offset, vcl::HHEA_descender_offset, vcl::HHEA_lineGap_offset, i, vcl::O_cvt, vcl::O_fpgm, vcl::O_head, vcl::O_hhea, vcl::O_maxp, vcl::O_prep, vcl::Ok, p, vcl::TrueTypeFont::psname, vcl::TrueTypeFont::ptr, vcl::scalloc(), vcl::StreamToMemory(), vcl::TrueTypeFont::subfamily, vcl::T_cvt, vcl::T_fpgm, vcl::T_prep, vcl::T_true, vcl::TrueTypeFont::table(), TrueTypeCreatorDispose(), vcl::TrueTypeCreatorNewEmpty(), vcl::TrueTypeTableNew(), vcl::TrueTypeTableNew_glyf(), vcl::TrueTypeTableNew_head(), vcl::TrueTypeTableNew_hhea(), vcl::TrueTypeTableNew_maxp(), vcl::AbstractTrueTypeFont::unitsPerEm(), and vcl::XUnits().

Referenced by FontSubsetInfo::CreateFontSubsetFromSfnt().

VCL_DLLPUBLIC SFErrCodes vcl::CreateTTFromTTGlyphs	(	AbstractTrueTypeFont *	ttf,
		const char *	fname,
		sal_uInt16 const *	glyphArray,
		sal_uInt8 const *	encoding,
		int	nGlyphs
	)

Generates a new TrueType font and dumps it to outf file.

This function substitutes glyph 0 for all glyphIDs that are not found in the font.

Parameters

ttf	pointer to the TrueTypeFont structure
fname	file name for the output TrueType font file
glyphArray	pointer to an array of glyphs that are to be extracted from ttf. The first element of this array has to be glyph 0 (default glyph)
encoding	array of encoding values. encoding[i] specifies character code for the glyphID glyphArray[i]. Character code 0 usually points to a default glyph (glyphID 0)
nGlyphs	number of glyph IDs in glyphArray and encoding values in encoding
flags	or'ed TTCreationFlags

Returns

return the value of SFErrCodes enum

See also

SFErrCodes

name

maxp

hhea

head

glyf

cmap

cvt

prep

fpgm

post

Definition at line 1577 of file sft.cxx.

References vcl::AddTable(), assert(), vcl::cmapAdd(), vcl::DisposeNameRecords(), vcl::GetInt16(), vcl::GetInt32(), vcl::GetTTNameRecords(), vcl::GetTTRawGlyphData(), vcl::GetUInt16(), vcl::GetUInt32(), vcl::glyfAdd(), vcl::HEAD_created_offset, vcl::HEAD_flags_offset, vcl::HEAD_fontDirectionHint_offset, vcl::HEAD_fontRevision_offset, vcl::HEAD_lowestRecPPEM_offset, vcl::HEAD_macStyle_offset, vcl::HEAD_unitsPerEm_offset, vcl::HHEA_ascender_offset, vcl::HHEA_caretSlopeRise_offset, vcl::HHEA_caretSlopeRun_offset, vcl::HHEA_descender_offset, vcl::HHEA_lineGap_offset, i, n, name, vcl::O_cvt, vcl::O_fpgm, vcl::O_head, vcl::O_hhea, vcl::O_maxp, vcl::O_post, vcl::O_prep, vcl::Ok, p, vcl::POST_isFixedPitch_offset, vcl::POST_italicAngle_offset, vcl::POST_underlinePosition_offset, vcl::POST_underlineThickness_offset, SAL_WARN_IF, vcl::scalloc(), vcl::StreamToFile(), vcl::T_cvt, vcl::T_fpgm, vcl::T_prep, vcl::T_true, vcl::AbstractTrueTypeFont::table(), TrueTypeCreatorDispose(), vcl::TrueTypeCreatorNewEmpty(), vcl::TrueTypeTableNew(), vcl::TrueTypeTableNew_cmap(), vcl::TrueTypeTableNew_glyf(), vcl::TrueTypeTableNew_head(), vcl::TrueTypeTableNew_hhea(), vcl::TrueTypeTableNew_maxp(), vcl::TrueTypeTableNew_name(), and vcl::TrueTypeTableNew_post().

Referenced by SalGraphics::CreateTTFfontSubset().

void vcl::DisposeNameRecords	(	NameRecord *	nr,
		int	n
	)

Deallocates previously allocated array of NameRecords.

Parameters

nr	array of NameRecord structs
n	number of elements in the array

Definition at line 2238 of file sft.cxx.

References i.

Referenced by vcl::CreateTTFromTTGlyphs().

void vcl::GetTTFontMetrics	(	const uint8_t *	pHhea,
		size_t	nHhea,
		const uint8_t *	pOs2,
		size_t	nOs2,
		TTGlobalFontInfo *	info
	)

Returns fonts metrics.

See also

TTGlobalFontInfo

Parameters

hhea	hhea table data
os2	OS/2 table data
info	pointer to a TTGlobalFontInfo structure

Definition at line 1995 of file sft.cxx.

References vcl::TTGlobalFontInfo_::ascender, vcl::TTGlobalFontInfo_::descender, vcl::TTGlobalFontInfo_::fsSelection, vcl::GetInt16(), vcl::GetUInt16(), vcl::HHEA_ascender_offset, vcl::HHEA_descender_offset, vcl::HHEA_lineGap_offset, vcl::TTGlobalFontInfo_::linegap, vcl::OS2_fsSelection_offset, vcl::OS2_typoAscender_offset, vcl::OS2_typoDescender_offset, vcl::OS2_typoLineGap_offset, vcl::OS2_V0_length, vcl::OS2_winAscent_offset, vcl::OS2_winDescent_offset, vcl::TTGlobalFontInfo_::typoAscender, vcl::TTGlobalFontInfo_::typoDescender, vcl::TTGlobalFontInfo_::typoLineGap, vcl::TTGlobalFontInfo_::winAscent, and vcl::TTGlobalFontInfo_::winDescent.

Referenced by ImplFontMetricData::ImplCalcLineSpacing().

VCL_DLLPUBLIC bool vcl::GetTTGlobalFontHeadInfo	(	const AbstractTrueTypeFont *	ttf,
		int &	xMin,
		int &	yMin,
		int &	xMax,
		int &	yMax,
		sal_uInt16 &	macStyle
	)

Returns part of the head table info, normally collected by GetTTGlobalFontInfo.

Just implemented separate, because this info not available via Qt API.

Parameters

ttf	pointer to a AbstractTrueTypeFont structure
xMin	global glyph bounding box min X
yMin	global glyph bounding box min Y
xMax	global glyph bounding box max X
yMax	global glyph bounding box max Y
macStyle	encoded Mac style flags of the font

Returns

true, if table data could be decoded

Definition at line 2020 of file sft.cxx.

References vcl::GetInt16(), vcl::GetUInt16(), vcl::HEAD_macStyle_offset, vcl::HEAD_xMax_offset, vcl::HEAD_xMin_offset, vcl::HEAD_yMax_offset, vcl::HEAD_yMin_offset, vcl::O_head, table, vcl::AbstractTrueTypeFont::table(), vcl::AbstractTrueTypeFont::unitsPerEm(), and vcl::XUnits().

Referenced by vcl::GetTTGlobalFontInfo().

VCL_DLLPUBLIC void vcl::GetTTGlobalFontInfo	(	TrueTypeFont *	ttf,
		TTGlobalFontInfo *	info
	)

Returns global font information about the TrueType font.

See also

TTGlobalFontInfo

Parameters

ttf	pointer to a TrueTypeFont structure
info	pointer to a TTGlobalFontInfo structure

Definition at line 2038 of file sft.cxx.

References vcl::TTGlobalFontInfo_::ascender, vcl::TTGlobalFontInfo_::descender, vcl::TTGlobalFontInfo_::family, vcl::TrueTypeFont::family, vcl::AbstractTrueTypeFont::GetCharMap(), vcl::GetInt16(), vcl::GetInt32(), vcl::GetTTGlobalFontHeadInfo(), vcl::GetUInt16(), vcl::GetUInt32(), vcl::HHEA_ascender_offset, vcl::HHEA_descender_offset, vcl::HHEA_lineGap_offset, FontCharMap::isSymbolic(), vcl::TTGlobalFontInfo_::italicAngle, vcl::TTGlobalFontInfo_::linegap, vcl::TTGlobalFontInfo_::macStyle, vcl::O_hhea, vcl::O_OS2, vcl::O_post, vcl::OS2_fsType_offset, vcl::OS2_panose_offset, vcl::OS2_panoseNbBytes_offset, vcl::OS2_typoAscender_offset, vcl::OS2_typoDescender_offset, vcl::OS2_typoLineGap_offset, vcl::OS2_usWeightClass_offset, vcl::OS2_usWidthClass_offset, vcl::OS2_V0_length, vcl::OS2_winAscent_offset, vcl::OS2_winDescent_offset, vcl::TTGlobalFontInfo_::panose, vcl::TTGlobalFontInfo_::pitch, vcl::POST_isFixedPitch_offset, vcl::POST_italicAngle_offset, vcl::TTGlobalFontInfo_::psname, vcl::TrueTypeFont::psname, vcl::TTGlobalFontInfo_::subfamily, vcl::TrueTypeFont::subfamily, vcl::TTGlobalFontInfo_::symbolEncoded, table, vcl::TrueTypeFont::table(), vcl::TTGlobalFontInfo_::typeFlags, vcl::TTGlobalFontInfo_::typoAscender, vcl::TTGlobalFontInfo_::typoDescender, vcl::TTGlobalFontInfo_::typoLineGap, vcl::TTGlobalFontInfo_::ufamily, vcl::TrueTypeFont::ufamily, vcl::AbstractTrueTypeFont::unitsPerEm(), vcl::TTGlobalFontInfo_::usubfamily, vcl::TrueTypeFont::usubfamily, vcl::TTGlobalFontInfo_::weight, vcl::TTGlobalFontInfo_::width, vcl::TTGlobalFontInfo_::winAscent, vcl::TTGlobalFontInfo_::winDescent, vcl::TTGlobalFontInfo_::xMax, vcl::TTGlobalFontInfo_::xMin, vcl::XUnits(), vcl::TTGlobalFontInfo_::yMax, and vcl::TTGlobalFontInfo_::yMin.

Referenced by EmbeddedFontsHelper::sufficientTTFRights().

int vcl::GetTTGlyphComponents	(	AbstractTrueTypeFont *	ttf,
		sal_uInt32	glyphID,
		std::vector< sal_uInt32 > &	glyphlist
	)

For a specified glyph adds all component glyphs IDs to the list and return their number.

If the glyph is a single glyph it has one component glyph (which is added to the list) and the function returns 1. For a composite glyphs it returns the number of component glyphs and adds all of them to the list.

Parameters

ttf	pointer to the TrueTypeFont structure
glyphID	Glyph ID
glyphlist	list of glyphs

Returns

number of component glyphs

Definition at line 1379 of file sft.cxx.

References vcl::ARG_1_AND_2_ARE_WORDS, vcl::GetInt16(), vcl::GetUInt16(), vcl::AbstractTrueTypeFont::glyphCount(), vcl::AbstractTrueTypeFont::glyphOffset(), index, vcl::MORE_COMPONENTS, n, vcl::O_glyf, vcl::AbstractTrueTypeFont::table(), vcl::WE_HAVE_A_SCALE, vcl::WE_HAVE_A_TWO_BY_TWO, and vcl::WE_HAVE_AN_X_AND_Y_SCALE.

Referenced by vcl::glyfAdd().

int vcl::GetTTGlyphPoints	(	AbstractTrueTypeFont *	ttf,
		sal_uInt32	glyphID,
		ControlPoint **	pointArray
	)

Extracts TrueType control points, and stores them in an allocated array pointed to by *pointArray.

This function returns the number of extracted points.

Parameters

ttf	pointer to the TrueTypeFont structure
glyphID	Glyph ID
pointArray	Return value - address of the pointer to the first element of the array of points allocated by the function

Returns

Returns the number of points in *pointArray or -1 if glyphID is invalid.

Definition at line 1374 of file sft.cxx.

References vcl::GetTTGlyphOutline().

Referenced by vcl::GetTTRawGlyphData().

int vcl::GetTTNameRecords	(	AbstractTrueTypeFont const *	ttf,
		NameRecord **	nr
	)

Extracts all Name Records from the font and stores them in an allocated array of NameRecord structs.

Parameters

ttf	pointer to the TrueTypeFont struct
nr	pointer to the array of NameRecord structs

Returns

number of NameRecord structs

Definition at line 2155 of file sft.cxx.

References assert(), vcl::NameRecord::encodingID, vcl::AbstractTrueTypeFont::fileName(), vcl::GetUInt16(), i, vcl::NameRecord::languageID, n, vcl::NameRecord::nameID, vcl::O_name, vcl::NameRecord::platformID, SAL_WARN, vcl::NameRecord::slen, vcl::NameRecord::sptr, table, and vcl::AbstractTrueTypeFont::table().

Referenced by vcl::CreateTTFromTTGlyphs().

GlyphData * vcl::GetTTRawGlyphData	(	AbstractTrueTypeFont *	ttf,
		sal_uInt32	glyphID
	)

Extracts raw glyph data from the 'glyf' table and returns it in an allocated GlyphData structure.

Parameters

ttf	pointer to the TrueTypeFont structure
glyphID	Glyph ID

Returns

pointer to an allocated GlyphData structure or NULL if glyphID is not present in the font

Definition at line 2091 of file sft.cxx.

References assert(), vcl::GlyphData::aw, vcl::GlyphData::compflag, d, vcl::GetInt16(), vcl::GetTTGlyphPoints(), vcl::GetUInt16(), vcl::AbstractTrueTypeFont::glyphCount(), vcl::GlyphData::glyphID, vcl::AbstractTrueTypeFont::glyphOffset(), vcl::AbstractTrueTypeFont::horzMetricCount(), i, length, vcl::GlyphData::lsb, m, n, vcl::GlyphData::nbytes, vcl::GlyphData::ncontours, vcl::GlyphData::npoints, vcl::O_glyf, vcl::O_hmtx, vcl::GlyphData::ptr, and vcl::AbstractTrueTypeFont::table().

Referenced by vcl::CreateT42FromTTGlyphs(), vcl::CreateTTFromTTGlyphs(), and vcl::glyfAdd().

VCL_DLLPUBLIC std::unique_ptr< sal_uInt16[]> vcl::GetTTSimpleGlyphMetrics	(	AbstractTrueTypeFont const *	ttf,
		const sal_uInt16 *	glyphArray,
		int	nGlyphs,
		bool	vertical
	)

Queries glyph metrics.

Allocates an array of advance width/height values and returns it.

Parameters

ttf	pointer to the TrueTypeFont structure
glyphArray	pointer to an array of glyphs that are to be extracted from ttf
nGlyphs	number of glyph IDs in glyphArray and encoding values in encoding
vertical	writing mode: false - horizontal, true - vertical

Definition at line 1951 of file sft.cxx.

References vcl::GetUInt16(), vcl::AbstractTrueTypeFont::horzMetricCount(), i, n, vcl::O_hmtx, vcl::O_vmtx, vcl::AbstractTrueTypeFont::table(), vcl::AbstractTrueTypeFont::unitsPerEm(), vcl::AbstractTrueTypeFont::vertMetricCount(), and vcl::XUnits().

Referenced by SalGraphics::CreateTTFfontSubset(), and SalGraphics::GetGlyphWidths().

SFErrCodes VCL_DLLPUBLIC vcl::OpenTTFontBuffer	(	const void *	pBuffer,
		sal_uInt32	nLen,
		sal_uInt32	facenum,
		TrueTypeFont **	ttf,
		const FontCharMapRef	xCharMap = nullptr
	)

TrueTypeFont constructor.

The font file has to be provided as a memory buffer and length

Parameters

pBuffer	- memory buffer
nLen	- size of memory buffer
facenum	- logical font number within a TTC file. This value is ignored for TrueType fonts
ttf	- returns the opened TrueTypeFont
xCharMap	- optional parsed character map

Returns

value of SFErrCodes enum

Definition at line 1082 of file sft.cxx.

References vcl::Memory, and vcl::Ok.

Referenced by EmbeddedFontsHelper::sufficientTTFRights().

SFErrCodes VCL_DLLPUBLIC vcl::OpenTTFontFile	(	const char *	fname,
		sal_uInt32	facenum,
		TrueTypeFont **	ttf,
		const FontCharMapRef	xCharMap = nullptr
	)

TrueTypeFont constructor.

Reads the font file and allocates the memory for the structure. on WIN32 the font has to be provided as a memory buffer and length

Parameters

fname	- name of TrueType font file
facenum	- logical font number within a TTC file. This value is ignored for TrueType fonts
ttf	- returns the opened TrueTypeFont
xCharMap	- optional parsed character map

Returns

value of SFErrCodes enum

Definition at line 1022 of file sft.cxx.

References vcl::BadFile, cleanup(), close, vcl::FileIo, vcl::Memory, and vcl::Ok.