qfontsubset.cpp File Reference

#include "qfontsubset_p.h"
#include <qdebug.h>
#include <qendian.h>
#include <qpainterpath.h>
#include "private/qpdf_p.h"
#include "qfontsubset_agl.cpp"
#include <algorithm>

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Classes
class	QTtfStream
struct	QTtfTable
struct	qttf_head_table
struct	qttf_hhea_table
struct	qttf_maxp_table
struct	qttf_name_table
struct	qttf_font_tables
struct	QTtfGlyph
struct	QTtfNameRecord
struct	TTF_POINT

Macros
#define	TAG(x)   char(t.tag >> 24) << char((t.tag >> 16) & 0xff) << char((t.tag >> 8) & 0xff) << char(t.tag & 0xff)
#define	TO_TTF(x)   qRound(x * 2048. / ppem)

Typedefs
typedef qint16	F2DOT14
typedef quint32	Tag
typedef quint16	GlyphID
typedef quint16	Offset

Enumerations
enum	Flags {   OffCurve = 0 , OnCurve = (1 << 0) , XShortVector = (1 << 1) , YShortVector = (1 << 2) ,   Repeat = (1 << 3) , XSame = (1 << 4) , XShortPositive = (1 << 4) , YSame = (1 << 5) ,   YShortPositive = (1 << 5) }

Functions
static void	checkRanges (QPdf::ByteStream &ts, QByteArray &ranges, int &nranges)
	Q_DECLARE_TYPEINFO (QTtfTable, Q_RELOCATABLE_TYPE)
	Q_DECLARE_TYPEINFO (qttf_head_table, Q_PRIMITIVE_TYPE)
	Q_DECLARE_TYPEINFO (qttf_hhea_table, Q_PRIMITIVE_TYPE)
	Q_DECLARE_TYPEINFO (qttf_maxp_table, Q_PRIMITIVE_TYPE)
	Q_DECLARE_TYPEINFO (qttf_name_table, Q_RELOCATABLE_TYPE)
static QTtfTable	generateHead (const qttf_head_table &head)
static QTtfTable	generateHhea (const qttf_hhea_table &hhea)
static QTtfTable	generateMaxp (const qttf_maxp_table &maxp)
static QTtfTable	generateName (const qttf_name_table &name)
	Q_DECLARE_TYPEINFO (QTtfGlyph, Q_RELOCATABLE_TYPE)
static QTtfGlyph	generateGlyph (int index, const QPainterPath &path, qreal advance, qreal lsb, qreal ppem)
static QList< QTtfTable >	generateGlyphTables (qttf_font_tables &tables, const QList< QTtfGlyph > &_glyphs)
static QByteArray	bindFont (const QList< QTtfTable > &_tables)
static quint32	checksum (const QByteArray &table)
	Q_DECLARE_TYPEINFO (QTtfNameRecord, Q_RELOCATABLE_TYPE)
static QTtfTable	generateName (const QList< QTtfNameRecord > &name)
	Q_DECLARE_TYPEINFO (TTF_POINT, Q_PRIMITIVE_TYPE)
static void	convertPath (const QPainterPath &path, QList< TTF_POINT > *points, QList< int > *endPoints, qreal ppem)
static void	getBounds (const QList< TTF_POINT > &points, qint16 *xmin, qint16 *xmax, qint16 *ymin, qint16 *ymax)
static int	convertToRelative (QList< TTF_POINT > *points)
static void	getGlyphData (QTtfGlyph *glyph, const QList< TTF_POINT > &points, const QList< int > &endPoints, int point_array_size)
static bool	operator< (const QTtfGlyph &g1, const QTtfGlyph &g2)
static bool	operator< (const QTtfTable &t1, const QTtfTable &t2)

Variables
static const unsigned short	symbol_map [0x100]

Macro Definition Documentation

TAG

#define TAG

(

x

)

char(t.tag >> 24) << char((t.tag >> 16) & 0xff) << char((t.tag >> 8) & 0xff) << char(t.tag & 0xff)

TO_TTF

#define TO_TTF

(

x

)

qRound(x * 2048. / ppem)

Typedef Documentation

F2DOT14

typedef qint16 F2DOT14

Definition at line 265 of file qfontsubset.cpp.

GlyphID

typedef quint16 GlyphID

Definition at line 267 of file qfontsubset.cpp.

Offset

typedef quint16 Offset

Definition at line 268 of file qfontsubset.cpp.

Tag

typedef quint32 Tag

Definition at line 266 of file qfontsubset.cpp.

Enumeration Type Documentation

Flags

enum Flags

Enumerator
OffCurve
OnCurve
XShortVector
YShortVector
Repeat
XSame
XShortPositive
YSame
YShortPositive

Definition at line 650 of file qfontsubset.cpp.

Function Documentation

bindFont()

static QByteArray bindFont ( const QList< QTtfTable > &  _tables )

static

Definition at line 1023 of file qfontsubset.cpp.

References QList< T >::at(), QList< T >::begin(), checksum(), QList< T >::end(), font, i, log2(), MAKE_TAG, qToBigEndian(), qWarning, and QList< T >::size().

Referenced by QFontSubset::toTruetype().

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checkRanges()

static void checkRanges ( QPdf::ByteStream &  ts, QByteArray &  ranges, int &  nranges  )

static

Definition at line 138 of file qfontsubset.cpp.

Referenced by QFontSubset::createToUnicodeMap().

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checksum()

static quint32 checksum ( const QByteArray &  table )

static

Definition at line 379 of file qfontsubset.cpp.

References d, shift(), and sum.

Referenced by bindFont(), QmlIR::QmlUnitGenerator::generate(), QV4::Compiler::JSUnitGenerator::generateUnitChecksum(), QLocationUtils::hasValidNmeaChecksum(), and QV4::ExecutableCompilationUnit::verifyChecksum().

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convertPath()

static void convertPath ( const QPainterPath &  path, QList< TTF_POINT > *  points, QList< int > *  endPoints, qreal  ppem  )

static

Definition at line 668 of file qfontsubset.cpp.

References QList< T >::append(), QList< T >::at(), base, QPainterPath::CurveToDataElement, QPainterPath::CurveToElement, d, e, TTF_POINT::flags, i, QPainterPath::LineToElement, list, QPainterPath::MoveToElement, OffCurve, OnCurve, Q_ASSERT, Q_FALLTHROUGH, qAbs(), qRound(), QList< T >::size(), QPainterPath::Element::x, TTF_POINT::x, QPainterPath::Element::y, and TTF_POINT::y.

Referenced by generateGlyph().

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convertToRelative()

static int convertToRelative ( QList< TTF_POINT > *  points )

static

Definition at line 805 of file qfontsubset.cpp.

References TTF_POINT::flags, i, Q_ASSERT, TTF_POINT::x, XSame, XShortPositive, XShortVector, TTF_POINT::y, YSame, YShortPositive, and YShortVector.

Referenced by generateGlyph().

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generateGlyph()

static QTtfGlyph generateGlyph ( int  index, const QPainterPath &  path, qreal  advance, qreal  lsb, qreal  ppem  )

static

Definition at line 906 of file qfontsubset.cpp.

References QTtfGlyph::advanceWidth, convertPath(), convertToRelative(), getBounds(), getGlyphData(), QTtfGlyph::index, QTtfGlyph::lsb, QTtfGlyph::numContours, QTtfGlyph::numPoints, qRound(), QTtfGlyph::xMax, QTtfGlyph::xMin, QTtfGlyph::yMax, and QTtfGlyph::yMin.

Referenced by QFontSubset::toTruetype().

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generateGlyphTables()

static QList< QTtfTable > generateGlyphTables ( qttf_font_tables &  tables, const QList< QTtfGlyph > &  _glyphs  )

static

Definition at line 944 of file qfontsubset.cpp.

References QByteArray::append(), QList< T >::append(), QList< T >::at(), QList< T >::begin(), QTtfTable::data, QList< T >::end(), qttf_font_tables::head, qttf_font_tables::hhea, i, qttf_head_table::indexToLocFormat, list, MAKE_TAG, qttf_font_tables::maxp, qttf_hhea_table::numberOfHMetrics, qttf_maxp_table::numGlyphs, QTtfStream::offset(), pos, Q_ASSERT, QList< T >::reserve(), QByteArray::resize(), QByteArray::size(), QList< T >::size(), and QTtfTable::tag.

Referenced by QFontSubset::toTruetype().

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generateHead()

static QTtfTable generateHead ( const qttf_head_table &  head )

static

Definition at line 400 of file qfontsubset.cpp.

References qttf_head_table::created, qttf_head_table::font_revision, qttf_head_table::indexToLocFormat, qttf_head_table::macStyle, MAKE_TAG, qttf_head_table::modified, Q_ASSERT, qttf_head_table::xMax, qttf_head_table::xMin, qttf_head_table::yMax, and qttf_head_table::yMin.

Referenced by QFontSubset::toTruetype().

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generateHhea()

static QTtfTable generateHhea ( const qttf_hhea_table &  hhea )

static

Definition at line 471 of file qfontsubset.cpp.

References qttf_hhea_table::ascender, qttf_hhea_table::descender, qttf_hhea_table::lineGap, MAKE_TAG, qttf_hhea_table::maxAdvanceWidth, qttf_hhea_table::minLeftSideBearing, qttf_hhea_table::minRightSideBearing, qttf_hhea_table::numberOfHMetrics, Q_ASSERT, and qttf_hhea_table::xMaxExtent.

Referenced by QFontSubset::toTruetype().

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generateMaxp()

static QTtfTable generateMaxp ( const qttf_maxp_table &  maxp )

static

Definition at line 522 of file qfontsubset.cpp.

References MAKE_TAG, qttf_maxp_table::maxComponentDepth, qttf_maxp_table::maxComponentElements, qttf_maxp_table::maxCompositeContours, qttf_maxp_table::maxCompositePoints, qttf_maxp_table::maxContours, qttf_maxp_table::maxPoints, qttf_maxp_table::numGlyphs, and Q_ASSERT.

Referenced by QFontSubset::toTruetype().

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generateName() [1/2]

static QTtfTable generateName ( const QList< QTtfNameRecord > &  name )

static

Definition at line 601 of file qfontsubset.cpp.

References ch, i, and MAKE_TAG.

generateName() [2/2]

static QTtfTable generateName ( const qttf_name_table &  name )

static

Definition at line 574 of file qfontsubset.cpp.

References QList< T >::append(), generateName(), list, QTtfNameRecord::nameId, QList< T >::reserve(), and QTtfNameRecord::value.

Referenced by generateName(), and QFontSubset::toTruetype().

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getBounds()

static void getBounds ( const QList< TTF_POINT > &  points, qint16 *  xmin, qint16 *  xmax, qint16 *  ymin, qint16 *  ymax  )

static

Definition at line 790 of file qfontsubset.cpp.

References i, qMax(), and qMin().

Referenced by generateGlyph().

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getGlyphData()

static void getGlyphData ( QTtfGlyph *  glyph, const QList< TTF_POINT > &  points, const QList< int > &  endPoints, int  point_array_size  )

static

Definition at line 858 of file qfontsubset.cpp.

References QList< T >::at(), QTtfGlyph::data, i, QTtfGlyph::numContours, QTtfGlyph::numPoints, Q_ASSERT, QByteArray::resize(), QList< T >::size(), QTtfGlyph::xMax, QTtfGlyph::xMin, XSame, XShortVector, QTtfGlyph::yMax, QTtfGlyph::yMin, YSame, and YShortVector.

Referenced by generateGlyph().

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operator<() [1/2]

static bool operator< ( const QTtfGlyph &  g1, const QTtfGlyph &  g2  )

static

Definition at line 939 of file qfontsubset.cpp.

References QTtfGlyph::index.

operator<() [2/2]

static bool operator< ( const QTtfTable &  t1, const QTtfTable &  t2  )

static

Definition at line 1018 of file qfontsubset.cpp.

References t2.

Q_DECLARE_TYPEINFO() [1/8]

Q_DECLARE_TYPEINFO	(	qttf_head_table	,
		Q_PRIMITIVE_TYPE
	)

Q_DECLARE_TYPEINFO() [2/8]

Q_DECLARE_TYPEINFO	(	qttf_hhea_table	,
		Q_PRIMITIVE_TYPE
	)

Q_DECLARE_TYPEINFO() [3/8]

Q_DECLARE_TYPEINFO	(	qttf_maxp_table	,
		Q_PRIMITIVE_TYPE
	)

Q_DECLARE_TYPEINFO() [4/8]

Q_DECLARE_TYPEINFO	(	qttf_name_table	,
		Q_RELOCATABLE_TYPE
	)

Q_DECLARE_TYPEINFO() [5/8]

Q_DECLARE_TYPEINFO	(	QTtfGlyph	,
		Q_RELOCATABLE_TYPE
	)

Q_DECLARE_TYPEINFO() [6/8]

Q_DECLARE_TYPEINFO	(	QTtfNameRecord	,
		Q_RELOCATABLE_TYPE
	)

Q_DECLARE_TYPEINFO() [7/8]

Q_DECLARE_TYPEINFO	(	QTtfTable	,
		Q_RELOCATABLE_TYPE
	)

Q_DECLARE_TYPEINFO() [8/8]

Q_DECLARE_TYPEINFO	(	TTF_POINT	,
		Q_PRIMITIVE_TYPE
	)

Variable Documentation

symbol_map

const unsigned short symbol_map[0x100]

static

Definition at line 21 of file qfontsubset.cpp.

Referenced by QFontSubset::glyphName().