nsSVGLibartGlyphMetricsFT Class Reference
[Libart Rendering Engine]

Inheritance diagram for nsSVGLibartGlyphMetricsFT:

[legend]Collaboration diagram for nsSVGLibartGlyphMetricsFT:

[legend]List of all members.

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Detailed Description

Libart freetype-based glyph metrics implementation

Definition at line 69 of file nsSVGLibartGlyphMetricsFT.cpp.

Public Member Functions

• virtual nsresult QueryInterface (const nsIID &aIID, void **aInstancePtr)
• virtual nsrefcnt AddRef (void)
• virtual nsrefcnt Release (void)
• virtual nsresult GetAdvance (float *aAdvance)
• virtual nsresult GetBoundingBox (nsIDOMSVGRect **aBoundingBox)
• virtual nsresult GetExtentOfChar (PRUint32 charnum, nsIDOMSVGRect **_retval)
• virtual nsresult GetBaselineOffset (PRUint16 baselineIdentifier, float *_retval)
• virtual nsresult Update (PRUint32 updatemask, PRBool *_retval)
• virtual FT_Face GetFTFace ()
• virtual float GetPixelScale ()
• virtual float GetTwipsToPixels ()
• virtual nsresult GetBoundingMetrics (PRInt32 *aLeftBearing, PRInt32 *aRightBearing, PRInt32 *aAscent, PRInt32 *aDescent, PRInt32 *aWidth)
• void ClearFontInfo ()
• void InitializeFontInfo ()

Static Public Attributes

• nsDataHashtable< nsStringHashKey,
  nsDependentString * > sFontAliases

Protected Member Functions

• nsSVGLibartGlyphMetricsFT (nsISVGGlyphMetricsSource *src)
• ~nsSVGLibartGlyphMetricsFT ()

Protected Attributes

• nsAutoRefCnt mRefCnt

Friends

• nsresult NS_NewSVGLibartGlyphMetrics (nsISVGRendererGlyphMetrics **result, nsISVGGlyphMetricsSource *src)
• void NS_InitSVGLibartGlyphMetricsGlobals ()
• void NS_FreeSVGLibartGlyphMetricsGlobals ()

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Constructor & Destructor Documentation

nsSVGLibartGlyphMetricsFT::nsSVGLibartGlyphMetricsFT (  nsISVGGlyphMetricsSource *  src  )  [protected]

Definition at line 123 of file nsSVGLibartGlyphMetricsFT.cpp.

nsSVGLibartGlyphMetricsFT::~nsSVGLibartGlyphMetricsFT (   )  [protected]

Definition at line 128 of file nsSVGLibartGlyphMetricsFT.cpp. References ClearFontInfo().

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Member Function Documentation

virtual nsresult nsSVGLibartGlyphMetricsFT::QueryInterface (  const nsIID &  aIID, void **  aInstancePtr )  [virtual]

nsrefcnt nsSVGLibartGlyphMetricsFT::AddRef (  void   )  [virtual]

Definition at line 179 of file nsSVGLibartGlyphMetricsFT.cpp.

nsrefcnt nsSVGLibartGlyphMetricsFT::Release (  void   )  [virtual]

Definition at line 180 of file nsSVGLibartGlyphMetricsFT.cpp.

nsresult nsSVGLibartGlyphMetricsFT::GetAdvance (  float *  aAdvance  )  [virtual]

Implements readonly attribute float advance; Definition at line 216 of file nsSVGLibartGlyphMetricsFT.cpp.

nsresult nsSVGLibartGlyphMetricsFT::GetBoundingBox (  nsIDOMSVGRect **  aBoundingBox  )  [virtual]

Implements readonly attribute nsIDOMSVGRect boundingBox; Definition at line 224 of file nsSVGLibartGlyphMetricsFT.cpp.

nsresult nsSVGLibartGlyphMetricsFT::GetExtentOfChar (  PRUint32  charnum, nsIDOMSVGRect **  _retval )  [virtual]

Implements [noscript] nsIDOMSVGRect getExtentOfChar(in unsigned long charnum); Definition at line 246 of file nsSVGLibartGlyphMetricsFT.cpp.

nsresult nsSVGLibartGlyphMetricsFT::GetBaselineOffset (  PRUint16  baselineIdentifier, float *  _retval )  [virtual]

Implements float getBaselineOffset(in unsigned short baselineIdentifier); Definition at line 193 of file nsSVGLibartGlyphMetricsFT.cpp. References nsISVGRendererGlyphMetrics::BASELINE_ALPHABETIC, nsISVGRendererGlyphMetrics::BASELINE_CENTRAL, nsISVGRendererGlyphMetrics::BASELINE_MIDDLE, nsISVGRendererGlyphMetrics::BASELINE_TEXT_AFTER_EDGE, and nsISVGRendererGlyphMetrics::BASELINE_TEXT_BEFORE_EDGE.

nsresult nsSVGLibartGlyphMetricsFT::Update (  PRUint32  updatemask, PRBool *  _retval )  [virtual]

Implements boolean update(in unsigned long updatemask); Definition at line 268 of file nsSVGLibartGlyphMetricsFT.cpp.

FT_Face nsSVGLibartGlyphMetricsFT::GetFTFace (   )  [virtual]

Implements nsISVGLibartGlyphMetricsFT. Definition at line 278 of file nsSVGLibartGlyphMetricsFT.cpp. References InitializeFontInfo(). Referenced by GetBoundingMetrics().

float nsSVGLibartGlyphMetricsFT::GetPixelScale (   )  [virtual]

Implements nsISVGLibartGlyphMetricsFT. Definition at line 293 of file nsSVGLibartGlyphMetricsFT.cpp. Referenced by InitializeFontInfo().

float nsSVGLibartGlyphMetricsFT::GetTwipsToPixels (   )  [virtual]

Implements nsISVGLibartGlyphMetricsFT. Definition at line 311 of file nsSVGLibartGlyphMetricsFT.cpp. Referenced by InitializeFontInfo().

nsresult nsSVGLibartGlyphMetricsFT::GetBoundingMetrics (  PRInt32 *  aLeftBearing, PRInt32 *  aRightBearing, PRInt32 *  aAscent, PRInt32 *  aDescent, PRInt32 *  aWidth )  [virtual]

Implements nsISVGLibartGlyphMetricsFT. Definition at line 325 of file nsSVGLibartGlyphMetricsFT.cpp. References nsISVGRendererGlyphMetrics::advance, and GetFTFace().

void nsSVGLibartGlyphMetricsFT::ClearFontInfo (   )  [inline]

Definition at line 97 of file nsSVGLibartGlyphMetricsFT.cpp. Referenced by ~nsSVGLibartGlyphMetricsFT().

void nsSVGLibartGlyphMetricsFT::InitializeFontInfo (   )

Definition at line 488 of file nsSVGLibartGlyphMetricsFT.cpp. References FindFontStruct::catalog, nsFont::EnumerateFamilies(), FindFontStruct::font, FindFontStruct::font_entry, GetPixelScale(), GetTwipsToPixels(), and nsFont::size. Referenced by GetFTFace().

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Friends And Related Function Documentation

nsresult NS_NewSVGLibartGlyphMetrics (  nsISVGRendererGlyphMetrics **  result, nsISVGGlyphMetricsSource *  src )  [friend]

Definition at line 95 of file nsSVGLibartGlyphMetrics.cpp.

void NS_InitSVGLibartGlyphMetricsGlobals (   )  [friend]

Definition at line 105 of file nsSVGLibartGlyphMetrics.cpp.

void NS_FreeSVGLibartGlyphMetricsGlobals (   )  [friend]

Definition at line 109 of file nsSVGLibartGlyphMetrics.cpp.

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Member Data Documentation

nsAutoRefCnt nsSVGLibartGlyphMetricsFT::mRefCnt [protected]

Definition at line 81 of file nsSVGLibartGlyphMetricsFT.cpp.

nsDataHashtable< nsStringHashKey, nsDependentString * > nsSVGLibartGlyphMetricsFT::sFontAliases [static]

Definition at line 120 of file nsSVGLibartGlyphMetricsFT.cpp. Referenced by NS_FreeSVGLibartGlyphMetricsGlobals(), and NS_InitSVGLibartGlyphMetricsGlobals().

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

• /layout/svg/renderer/src/libart/nsSVGLibartGlyphMetricsFT.cpp

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