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Internal/Contributor docs for the Qt SDK. Note: These are NOT official API docs; those are found at https://doc.qt.io/
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qfontsubset.cpp File Reference

(6704e55a9c04014097cc2e90fd75b20ae5da56c8)

#include "qfontsubset_p.h"
#include <qdebug.h>
#include <qendian.h>
#include <qpainterpath.h>
#include "private/qpdf_p.h"
#include "qfontsubset_agl.cpp"
#include <algorithm>
Include dependency graph for qfontsubset.cpp:

Go to the source code of this file.

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)
#define TO_TTF(x)

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) , 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)
}
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) , 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)
Value:
char(t.tag >> 24) << char((t.tag >> 16) & 0xff) << char((t.tag >> 8) & 0xff) << char(t.tag & 0xff)
t
GLdouble GLdouble t
Definition qopenglext.h:243

◆ TO_TTF

#define TO_TTF ( x)
Value:
qRound(x * 2048. / ppem)
qRound
int qRound(qfloat16 d)
Definition qfloat16.h:321
x
GLint GLint GLint GLint GLint x
Definition qopengles2ext.h:605

Typedef Documentation

◆ F2DOT14

typedef qint16 F2DOT14

Definition at line 266 of file qfontsubset.cpp.

◆ GlyphID

typedef quint16 GlyphID

Definition at line 268 of file qfontsubset.cpp.

◆ Offset

typedef quint16 Offset

Definition at line 269 of file qfontsubset.cpp.

◆ Tag

typedef quint32 Tag

Definition at line 267 of file qfontsubset.cpp.

Enumeration Type Documentation

◆ Flags [1/2]

enum Flags
Enumerator
OffCurve 
OnCurve 
XShortVector 
YShortVector 
Repeat 
XSame 
XShortPositive 
YSame 
YShortPositive 
OffCurve 
OnCurve 
XShortVector 
YShortVector 
Repeat 
XSame 
XShortPositive 
YSame 
YShortPositive 

Definition at line 651 of file qfontsubset.cpp.

◆ Flags [2/2]

enum Flags
Enumerator
OffCurve 
OnCurve 
XShortVector 
YShortVector 
Repeat 
XSame 
XShortPositive 
YSame 
YShortPositive 
OffCurve 
OnCurve 
XShortVector 
YShortVector 
Repeat 
XSame 
XShortPositive 
YSame 
YShortPositive 

Definition at line 651 of file qfontsubset.cpp.

Function Documentation

◆ bindFont()

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

Definition at line 1024 of file qfontsubset.cpp.

◆ checkRanges()

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

Definition at line 139 of file qfontsubset.cpp.

◆ checksum()

quint32 checksum ( const QByteArray & table)
static

Definition at line 380 of file qfontsubset.cpp.

◆ convertPath()

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

Definition at line 669 of file qfontsubset.cpp.

References OffCurve, and OnCurve.

◆ convertToRelative()

int convertToRelative ( QList< TTF_POINT > * points)
static

Definition at line 806 of file qfontsubset.cpp.

References XSame, XShortPositive, XShortVector, YSame, YShortPositive, and YShortVector.

◆ generateGlyph()

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

Definition at line 907 of file qfontsubset.cpp.

◆ generateGlyphTables()

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

Definition at line 945 of file qfontsubset.cpp.

References QTtfStream::offset().

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◆ generateHead()

QTtfTable generateHead ( const qttf_head_table & head)
static

Definition at line 401 of file qfontsubset.cpp.

References QTtfStream::offset().

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◆ generateHhea()

QTtfTable generateHhea ( const qttf_hhea_table & hhea)
static

Definition at line 472 of file qfontsubset.cpp.

References QTtfStream::offset().

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◆ generateMaxp()

QTtfTable generateMaxp ( const qttf_maxp_table & maxp)
static

Definition at line 523 of file qfontsubset.cpp.

References QTtfStream::offset().

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◆ generateName() [1/2]

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

Definition at line 602 of file qfontsubset.cpp.

◆ generateName() [2/2]

QTtfTable generateName ( const qttf_name_table & name)
static

Definition at line 575 of file qfontsubset.cpp.

Referenced by QFontSubset::toTruetype().

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◆ getBounds()

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

Definition at line 791 of file qfontsubset.cpp.

◆ getGlyphData()

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

Definition at line 859 of file qfontsubset.cpp.

References QTtfStream::offset(), XSame, XShortVector, YSame, and YShortVector.

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◆ operator<() [1/2]

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

Definition at line 940 of file qfontsubset.cpp.

◆ operator<() [2/2]

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

Definition at line 1019 of file qfontsubset.cpp.

References QTtfTable::tag.

◆ 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
static

Definition at line 22 of file qfontsubset.cpp.

Referenced by QFontSubset::glyphName().