AbiWord: GR_Font Class Reference

#include <gr_Graphics.h>

Inheritance diagram for GR_Font:

List of all members.

Public Types
enum	FontFamilyEnum { FF_Unknown = 0, FF_Roman, FF_Swiss, FF_Modern, FF_Script, FF_Decorative, FF_Technical, FF_BiDi, FF_Last }
enum	FontPitchEnum { FP_Unknown = 0, FP_Fixed, FP_Variable }
Public Member Functions
virtual	~GR_Font ()
virtual const char *	getFamily () const
UT_uint32	getAllocNumber () const
virtual UT_sint32	measureUnremappedCharForCache (UT_UCSChar cChar) const =0
virtual const std::string &	hashKey (void) const
UT_sint32	getCharWidthFromCache (UT_UCSChar c) const
virtual GR_CharWidths *	newFontWidths (void) const
virtual bool	doesGlyphExist (UT_UCS4Char g) const
virtual bool	glyphBox (UT_UCS4Char g, UT_Rect &rec, GR_Graphics *pG)=0
GrFontType	getType () const
Static Public Member Functions
static void	s_getGenericFontProperties (const char szFontName, FontFamilyEnum pff, FontPitchEnum pfp, bool pbTrueType)
static bool	s_doesGlyphExist (UT_UCS4Char g, void *instance)
Protected Member Functions
	GR_Font ()
GR_CharWidths *	_getCharWidths () const
Protected Attributes
std::string	m_hashKey
GrFontType	m_eType
Private Attributes
UT_uint32	m_iAllocNo
GR_CharWidths *	m_pCharWidths
Static Private Attributes
static UT_uint32	s_iAllocCount = 0
Friends
class	GR_Graphics
class	std::map< std::string, GR_Font * >

Member Enumeration Documentation

enum GR_Font::FontFamilyEnum

Enumerator:

FF_Unknown
FF_Roman
FF_Swiss
FF_Modern
FF_Script
FF_Decorative
FF_Technical
FF_BiDi
FF_Last

enum GR_Font::FontPitchEnum

Enumerator:

FP_Unknown
FP_Fixed
FP_Variable

Constructor & Destructor Documentation

GR_Font::~GR_Font ( ) [virtual]

GR_Font::GR_Font ( ) [protected]

References m_iAllocNo, and s_iAllocCount.

Member Function Documentation

GR_CharWidths* GR_Font::_getCharWidths ( ) const [inline, protected]

Reimplemented in GR_Win32Font.

Referenced by GR_Win32Font::_getCharWidths().

bool GR_Font::doesGlyphExist ( UT_UCS4Char g ) const [virtual]

Reimplemented in GR_PangoFont.

References getCharWidthFromCache(), GR_CW_ABSENT, and UT_DEBUGMSG.

Referenced by s_doesGlyphExist(), and GR_Graphics::shape().

UT_uint32 GR_Font::getAllocNumber ( ) const [inline]

Referenced by fp_Run::_getFont(), fp_Run::_setFont(), GR_Win32USPGraphics::_setupFontOnDC(), GR_Win32Graphics::drawChars(), GR_Win32Font::glyphBox(), GR_Win32USPGraphics::setFont(), GR_Win32Graphics::setFont(), and GR_CairoGraphics::shape().

UT_sint32 GR_Font::getCharWidthFromCache ( UT_UCSChar c ) const

Return the char width from the cache. Compute the width if needed, and cache it.

References GR_CharWidthsCache::getCharWidthCache(), GR_CharWidths::getWidth(), GR_CharWidthsCache::getWidthsForFont(), GR_CW_UNKNOWN, m_pCharWidths, measureUnremappedCharForCache(), GR_CharWidths::setWidth(), UCS_LIGATURE_PLACEHOLDER, UT_NOT_IMPLEMENTED, and UT_return_val_if_fail.

Referenced by doesGlyphExist(), GR_Win32Font::GR_Win32Font(), and GR_Win32Font::measureUnRemappedChar().

virtual const char* GR_Font::getFamily ( ) const [inline, virtual]

Reimplemented in GR_PangoFont.

Referenced by fl_BlockLayout::itemizeSpan(), and XAP_Draw_Symbol::setFontToGC().

GrFontType GR_Font::getType ( void ) const [inline]

Referenced by GR_CairoGraphics::setFont().

virtual bool GR_Font::glyphBox	(	UT_UCS4Char	g,
		UT_Rect &	rec,
		GR_Graphics *	pG
	)			`[pure virtual]`

Implemented in GR_Win32Font, and GR_PangoFont.

const std::string & GR_Font::hashKey ( void ) const [virtual]

Return the hash key used by the cache to fetch the font This method may be overridden to compute it in real time if needed

References m_hashKey.

Referenced by fp_TextRun::_draw(), GR_CharWidthsCache::addFont(), and GR_CharWidthsCache::getWidthsForFont().

virtual UT_sint32 GR_Font::measureUnremappedCharForCache ( UT_UCSChar cChar ) const [pure virtual]

Measure the unremapped char to be put into the cache. That means measuring it for a font size of 120

Implemented in GR_Win32Font.

Referenced by getCharWidthFromCache().

GR_CharWidths * GR_Font::newFontWidths ( void ) const [virtual]

Implements a GR_CharWidths. Override if you which to instanciate a subclass.

Reimplemented in GR_Win32Font.

Referenced by GR_CharWidthsCache::addFont().

static bool GR_Font::s_doesGlyphExist	(	UT_UCS4Char	g,
		void *	instance
	)			`[inline, static]`

References doesGlyphExist(), and UT_return_val_if_fail.

void GR_Font::s_getGenericFontProperties	(	const char *	szFontName,
		FontFamilyEnum *	pff,
		FontPitchEnum *	pfp,
		bool *	pbTrueType
	)			`[static]`

References UT_Win32LocaleString::c_str(), UT_Win32LocaleString::fromUTF8(), and xx.

Referenced by _rtf_font_info::init().

Friends And Related Function Documentation

friend class GR_Graphics [friend]

friend class std::map< std::string, GR_Font * > [friend]

Member Data Documentation

GrFontType GR_Font::m_eType [protected]

Referenced by GR_PangoFont::GR_PangoFont().

std::string GR_Font::m_hashKey [mutable, protected]

hash key for font cache. Must be initialized in ctor otherwise override hashKey() method

Referenced by GR_Win32Font::GR_Win32Font(), and hashKey().

UT_uint32 GR_Font::m_iAllocNo [private]

Referenced by GR_Font().

GR_CharWidths* GR_Font::m_pCharWidths [mutable, private]

Referenced by getCharWidthFromCache().

UT_uint32 GR_Font::s_iAllocCount = 0 [static, private]

Referenced by GR_Font().

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