nsSVGGDIPlusGlyphMetrics Class Reference
[GDI+ Rendering Engine]

Inheritance diagram for nsSVGGDIPlusGlyphMetrics:

[legend]Collaboration diagram for nsSVGGDIPlusGlyphMetrics:

[legend]List of all members.

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Detailed Description

GDI+ glyph metrics implementation

Definition at line 116 of file nsSVGGDIPlusGlyphMetrics.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 const RectF * GetBoundingRect ()
• virtual void GetSubBoundingRect (PRUint32 charoffset, PRUint32 count, RectF *retval)
• virtual const Font * GetFont ()
• virtual TextRenderingHint GetTextRenderingHint ()

Static Public Attributes

• nsDataHashtable< nsStringHashKey,
  nsDependentString * > sFontAliases

Protected Member Functions

• nsSVGGDIPlusGlyphMetrics (nsISVGGlyphMetricsSource *src)
• ~nsSVGGDIPlusGlyphMetrics ()
• void MarkRectForUpdate ()
• void ClearFontInfo ()
• void InitializeFontInfo ()
• void GetGlobalTransform (Matrix *matrix)
• void PrepareGraphics (Graphics &g)
• float GetPixelScale ()

Protected Attributes

• nsAutoRefCnt mRefCnt

Friends

• nsresult NS_NewSVGGDIPlusGlyphMetrics (nsISVGRendererGlyphMetrics **result, nsISVGGlyphMetricsSource *src)
• void NS_InitSVGGDIPlusGlyphMetricsGlobals ()
• void NS_FreeSVGGDIPlusGlyphMetricsGlobals ()

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Constructor & Destructor Documentation

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

Definition at line 164 of file nsSVGGDIPlusGlyphMetrics.cpp.

nsSVGGDIPlusGlyphMetrics::~nsSVGGDIPlusGlyphMetrics (   )  [protected]

Definition at line 169 of file nsSVGGDIPlusGlyphMetrics.cpp. References ClearFontInfo().

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Member Function Documentation

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

nsrefcnt nsSVGGDIPlusGlyphMetrics::AddRef (  void   )  [virtual]

Definition at line 212 of file nsSVGGDIPlusGlyphMetrics.cpp.

nsrefcnt nsSVGGDIPlusGlyphMetrics::Release (  void   )  [virtual]

Definition at line 213 of file nsSVGGDIPlusGlyphMetrics.cpp.

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

Implements readonly attribute float advance; Definition at line 298 of file nsSVGGDIPlusGlyphMetrics.cpp. References GetBoundingRect().

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

Implements readonly attribute nsIDOMSVGRect boundingBox; Definition at line 307 of file nsSVGGDIPlusGlyphMetrics.cpp. References GetBoundingRect().

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

Implements nsIDOMSVGRect getExtentOfChar(in unsigned long charnum); Definition at line 329 of file nsSVGGDIPlusGlyphMetrics.cpp. References GetSubBoundingRect().

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

Implements float getBaselineOffset(in unsigned short baselineIdentifier); Definition at line 226 of file nsSVGGDIPlusGlyphMetrics.cpp. References nsISVGRendererGlyphMetrics::BASELINE_ALPHABETIC, nsISVGRendererGlyphMetrics::BASELINE_CENTRAL, nsISVGRendererGlyphMetrics::BASELINE_MIDDLE, nsISVGRendererGlyphMetrics::BASELINE_TEXT_AFTER_EDGE, nsISVGRendererGlyphMetrics::BASELINE_TEXT_BEFORE_EDGE, GetBoundingRect(), and GetFont().

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

Implements boolean update(in unsigned long updatemask); Definition at line 354 of file nsSVGGDIPlusGlyphMetrics.cpp. References ClearFontInfo(), MarkRectForUpdate(), nsISVGGlyphMetricsSource::UPDATEMASK_CHARACTER_DATA, and nsISVGGlyphMetricsSource::UPDATEMASK_FONT.

const RectF * nsSVGGDIPlusGlyphMetrics::GetBoundingRect (   )  [virtual]

Obtain the bounding rectangle of the (composite) glyph as a Gdiplus::RectF. Implements nsISVGGDIPlusGlyphMetrics. Definition at line 376 of file nsSVGGDIPlusGlyphMetrics.cpp. References GetSubBoundingRect(). Referenced by GetAdvance(), GetBaselineOffset(), and GetBoundingBox().

void nsSVGGDIPlusGlyphMetrics::GetSubBoundingRect (  PRUint32  charoffset, PRUint32  count, RectF *  retval )  [virtual]

Obtain the bounding rectangle of the glyphs of part of the character string as a Gdiplus::RectF. Parameters: charoffset  Offset into nsISVGGlyphMetricsSource::characterData. count  Number of characters for which to get bounds. Implements nsISVGGDIPlusGlyphMetrics. Definition at line 391 of file nsSVGGDIPlusGlyphMetrics.cpp. References GetFont(), GetGlobalTransform(), and PrepareGraphics(). Referenced by GetBoundingRect(), and GetExtentOfChar().

const Font * nsSVGGDIPlusGlyphMetrics::GetFont (   )  [virtual]

Obtain the Gdiplus::Font object selected for this glyph metrics object. Implements nsISVGGDIPlusGlyphMetrics. Definition at line 432 of file nsSVGGDIPlusGlyphMetrics.cpp. References InitializeFontInfo(). Referenced by GetBaselineOffset(), and GetSubBoundingRect().

TextRenderingHint nsSVGGDIPlusGlyphMetrics::GetTextRenderingHint (   )  [virtual]

Obtain the Gdiplus::TextRenderingHint for this glyph metrics object. Implements nsISVGGDIPlusGlyphMetrics. Definition at line 439 of file nsSVGGDIPlusGlyphMetrics.cpp. References nsISVGGeometrySource::PAINT_TYPE_NONE, nsISVGGlyphMetricsSource::TEXT_RENDERING_AUTO, nsISVGGlyphMetricsSource::TEXT_RENDERING_GEOMETRICPRECISION, nsISVGGlyphMetricsSource::TEXT_RENDERING_OPTIMIZELEGIBILITY, and nsISVGGlyphMetricsSource::TEXT_RENDERING_OPTIMIZESPEED. Referenced by PrepareGraphics().

void nsSVGGDIPlusGlyphMetrics::MarkRectForUpdate (   )  [inline, protected]

Definition at line 139 of file nsSVGGDIPlusGlyphMetrics.cpp. Referenced by Update().

void nsSVGGDIPlusGlyphMetrics::ClearFontInfo (   )  [inline, protected]

Definition at line 140 of file nsSVGGDIPlusGlyphMetrics.cpp. Referenced by Update(), and ~nsSVGGDIPlusGlyphMetrics().

void nsSVGGDIPlusGlyphMetrics::InitializeFontInfo (   )  [protected]

Definition at line 524 of file nsSVGGDIPlusGlyphMetrics.cpp. References nsFont::decorations, nsFont::EnumerateFamilies(), GetPixelScale(), NS_FONT_DECORATION_LINE_THROUGH, NS_FONT_DECORATION_UNDERLINE, NS_FONT_STYLE_ITALIC, nsFont::size, nsFont::style, and nsFont::weight. Referenced by GetFont().

void nsSVGGDIPlusGlyphMetrics::GetGlobalTransform (  Matrix *  matrix  )  [protected]

Definition at line 575 of file nsSVGGDIPlusGlyphMetrics.cpp. Referenced by GetSubBoundingRect().

void nsSVGGDIPlusGlyphMetrics::PrepareGraphics (  Graphics &  g  )  [protected]

Definition at line 606 of file nsSVGGDIPlusGlyphMetrics.cpp. References GetPixelScale(), and GetTextRenderingHint(). Referenced by GetSubBoundingRect().

float nsSVGGDIPlusGlyphMetrics::GetPixelScale (   )  [protected]

Definition at line 619 of file nsSVGGDIPlusGlyphMetrics.cpp. Referenced by InitializeFontInfo(), and PrepareGraphics().

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Friends And Related Function Documentation

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

Definition at line 175 of file nsSVGGDIPlusGlyphMetrics.cpp.

void NS_InitSVGGDIPlusGlyphMetricsGlobals (   )  [friend]

Definition at line 185 of file nsSVGGDIPlusGlyphMetrics.cpp.

void NS_FreeSVGGDIPlusGlyphMetricsGlobals (   )  [friend]

Definition at line 204 of file nsSVGGDIPlusGlyphMetrics.cpp.

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Member Data Documentation

nsAutoRefCnt nsSVGGDIPlusGlyphMetrics::mRefCnt [protected]

Definition at line 127 of file nsSVGGDIPlusGlyphMetrics.cpp.

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

Definition at line 162 of file nsSVGGDIPlusGlyphMetrics.cpp. Referenced by NS_FreeSVGGDIPlusGlyphMetricsGlobals(), and NS_InitSVGGDIPlusGlyphMetricsGlobals().

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

• /layout/svg/renderer/src/gdiplus/nsSVGGDIPlusGlyphMetrics.cpp

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