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lightning-sunbird  0.9+nobinonly
Public Member Functions | Public Attributes
nsFontWin Class Reference

#include <nsFontMetricsWin.h>

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Public Member Functions

NS_DECL_AND_IMPL_ZEROING_OPERATOR_NEW nsFontWin (LOGFONT *aLogFont, HFONT aFont, PRUint16 *aCCMap)
virtual ~nsFontWin ()
virtual PRInt32 GetWidth (HDC aDC, const char *aString, PRUint32 aLength)
virtual PRInt32 GetWidth (HDC aDC, const PRUnichar *aString, PRUint32 aLength)=0
virtual void DrawString (HDC aDC, PRInt32 aX, PRInt32 aY, const char *aString, PRUint32 aLength, INT *aDx0)
virtual void DrawString (HDC aDC, PRInt32 aX, PRInt32 aY, const PRUnichar *aString, PRUint32 aLength)=0
virtual PRBool HasGlyph (PRUint32 ch)
PRBool FillClipRect (PRInt32 aX, PRInt32 aY, UINT aLength, UINT uOptions, RECT &clipRect)

Public Attributes

char mName [LF_FACESIZE]
HFONT mFont
PRUint16mCCMap
nscoord mMaxAscent
nscoord mMaxDescent
LONG mOverhangCorrection
LONG mMaxCharWidthMetric
LONG mMaxHeightMetric
BYTE mPitchAndFamily

Detailed Description

Definition at line 93 of file nsFontMetricsWin.h.


Constructor & Destructor Documentation

nsFontWin::nsFontWin ( LOGFONT *  aLogFont,
HFONT  aFont,
PRUint16 aCCMap 
)

Definition at line 4232 of file nsFontMetricsWin.cpp.

{
  if (aLogFont) {
    strcpy(mName, aLogFont->lfFaceName);
  }
  mFont = aFont;
  mCCMap = aCCMap;
}
nsFontWin::~nsFontWin ( ) [virtual]

Definition at line 4241 of file nsFontMetricsWin.cpp.

{
  if (mFont) {
    ::DeleteObject(mFont);
    mFont = nsnull;
  }
}

Member Function Documentation

void nsFontWin::DrawString ( HDC  aDC,
PRInt32  aX,
PRInt32  aY,
const char *  aString,
PRUint32  aLength,
INT aDx0 
) [virtual]

Definition at line 4300 of file nsFontMetricsWin.cpp.

{
  NS_ExtTextOutA(aDC, this, aX, aY, 0, NULL, aString, aLength, lpDx);
}

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virtual void nsFontWin::DrawString ( HDC  aDC,
PRInt32  aX,
PRInt32  aY,
const PRUnichar aString,
PRUint32  aLength 
) [pure virtual]
PRBool nsFontWin::FillClipRect ( PRInt32  aX,
PRInt32  aY,
UINT  aLength,
UINT  uOptions,
RECT &  clipRect 
)

Definition at line 4259 of file nsFontMetricsWin.cpp.

{
  if (!(uOptions & (ETO_CLIPPED | ETO_OPAQUE)) &&
      mOverhangCorrection > 0 && !(mPitchAndFamily & TMPF_FIXED_PITCH)) {
    // bug 52596 - although the clipping rectangle is said to be optional, we
    // have to use a clipping rectange to work around a GDI bug on
    // Win9X-Japanese that causes the text to be truncated incorrectly.
    clipRect.top = aY - mMaxHeightMetric;
    clipRect.bottom = aY + mMaxHeightMetric;
    clipRect.left = aX;
    clipRect.right = aX + mMaxCharWidthMetric * aLength;
    return PR_TRUE;
  }
  return PR_FALSE;
}

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PRInt32 nsFontWin::GetWidth ( HDC  aDC,
const char *  aString,
PRUint32  aLength 
) [virtual]

Definition at line 4250 of file nsFontMetricsWin.cpp.

{
  SIZE size;
  ::GetTextExtentPoint32(aDC, aString, aLength, &size);
  size.cx -= mOverhangCorrection;
  return size.cx;
}

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virtual PRInt32 nsFontWin::GetWidth ( HDC  aDC,
const PRUnichar aString,
PRUint32  aLength 
) [pure virtual]
virtual PRBool nsFontWin::HasGlyph ( PRUint32  ch) [inline, virtual]

Reimplemented in nsFontWinSubstituteA, and nsFontWinSubstitute.

Definition at line 113 of file nsFontMetricsWin.h.

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Member Data Documentation

Definition at line 133 of file nsFontMetricsWin.h.

Definition at line 132 of file nsFontMetricsWin.h.

Definition at line 138 of file nsFontMetricsWin.h.

Definition at line 143 of file nsFontMetricsWin.h.

Definition at line 139 of file nsFontMetricsWin.h.

Definition at line 144 of file nsFontMetricsWin.h.

char nsFontWin::mName[LF_FACESIZE]

Definition at line 113 of file nsFontMetricsWin.h.

Definition at line 142 of file nsFontMetricsWin.h.

Definition at line 145 of file nsFontMetricsWin.h.


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