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

#include <nsFontMetricsWin.h>

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List of all members.

Public Member Functions

 nsFontWinSubstitute (LOGFONT *aLogFont, HFONT aFont, PRUint16 *aCCMap, PRBool aDisplayUnicode)
 nsFontWinSubstitute (PRUint16 *aCCMap)
virtual ~nsFontWinSubstitute ()
virtual PRBool HasGlyph (PRUint32 ch)
virtual void SetRepresentable (PRUint32 ch)
virtual PRInt32 GetWidth (HDC aDC, const PRUnichar *aString, PRUint32 aLength)
virtual void DrawString (HDC aDC, PRInt32 aX, PRInt32 aY, const PRUnichar *aString, PRUint32 aLength)
virtual PRInt32 GetWidth (HDC aDC, const char *aString, PRUint32 aLength)
virtual void DrawString (HDC aDC, PRInt32 aX, PRInt32 aY, const char *aString, PRUint32 aLength, INT *aDx0)
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

Private Attributes

PRBool mDisplayUnicode
PRBool mIsForIgnorable
PRUint32 mRepresentableCharMap [UCS2_MAP_LEN]

Detailed Description

Definition at line 153 of file nsFontMetricsWin.h.


Constructor & Destructor Documentation

nsFontWinSubstitute::nsFontWinSubstitute ( LOGFONT *  aLogFont,
HFONT  aFont,
PRUint16 aCCMap,
PRBool  aDisplayUnicode 
)

Definition at line 4547 of file nsFontMetricsWin.cpp.

                                            : nsFontWin(aLogFont, aFont, aCCMap)
{
  mDisplayUnicode = aDisplayUnicode;
  mIsForIgnorable = PR_FALSE; 
  memset(mRepresentableCharMap, 0, sizeof(mRepresentableCharMap));
}

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Definition at line 4555 of file nsFontMetricsWin.cpp.

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Definition at line 4563 of file nsFontMetricsWin.cpp.

{
}

Member Function Documentation

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

Definition at line 4300 of file nsFontMetricsWin.cpp.

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

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void nsFontWinSubstitute::DrawString ( HDC  aDC,
PRInt32  aX,
PRInt32  aY,
const PRUnichar aString,
PRUint32  aLength 
) [virtual]

Implements nsFontWin.

Definition at line 4659 of file nsFontMetricsWin.cpp.

{
  if (mIsForIgnorable)
    return;
  nsAutoChar16Buffer buffer;
  nsresult rv = SubstituteChars(PR_FALSE, aString, aLength, buffer, &aLength);
  if (NS_FAILED(rv) || !aLength) return;

  NS_ExtTextOutW(aDC, this, aX, aY, 0, NULL, buffer.get(), aLength, NULL);
}

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PRBool nsFontWin::FillClipRect ( PRInt32  aX,
PRInt32  aY,
UINT  aLength,
UINT  uOptions,
RECT &  clipRect 
) [inherited]

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, inherited]

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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PRInt32 nsFontWinSubstitute::GetWidth ( HDC  aDC,
const PRUnichar aString,
PRUint32  aLength 
) [virtual]

Implements nsFontWin.

Definition at line 4642 of file nsFontMetricsWin.cpp.

{
  if (mIsForIgnorable)
    return 0;
  nsAutoChar16Buffer buffer;
  nsresult rv = SubstituteChars(PR_FALSE, aString, aLength, buffer, &aLength);
  if (NS_FAILED(rv) || !aLength) return 0;

  SIZE size;
  ::GetTextExtentPoint32W(aDC, buffer.get(), aLength, &size);
  size.cx -= mOverhangCorrection;

  return size.cx;
}

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virtual PRBool nsFontWinSubstitute::HasGlyph ( PRUint32  ch) [inline, virtual]

Reimplemented from nsFontWin.

Definition at line 160 of file nsFontMetricsWin.h.

virtual void nsFontWinSubstitute::SetRepresentable ( PRUint32  ch) [inline, virtual]

Definition at line 163 of file nsFontMetricsWin.h.


Member Data Documentation

Definition at line 133 of file nsFontMetricsWin.h.

Definition at line 178 of file nsFontMetricsWin.h.

HFONT nsFontWin::mFont [inherited]

Definition at line 132 of file nsFontMetricsWin.h.

Definition at line 179 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] [inherited]

Definition at line 113 of file nsFontMetricsWin.h.

Definition at line 142 of file nsFontMetricsWin.h.

Definition at line 145 of file nsFontMetricsWin.h.

Definition at line 182 of file nsFontMetricsWin.h.


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