summaryrefslogtreecommitdiff
path: root/vcl/source/fontsubset/cff.cxx
diff options
context:
space:
mode:
Diffstat (limited to 'vcl/source/fontsubset/cff.cxx')
-rw-r--r--vcl/source/fontsubset/cff.cxx78
1 files changed, 46 insertions, 32 deletions
diff --git a/vcl/source/fontsubset/cff.cxx b/vcl/source/fontsubset/cff.cxx
index e5d83dc0733a..dd198ff521db 100644
--- a/vcl/source/fontsubset/cff.cxx
+++ b/vcl/source/fontsubset/cff.cxx
@@ -332,12 +332,13 @@ struct CffLocal
int mnLocalSubrBase;
int mnLocalSubrCount;
int mnLocalSubrBias;
- int mnNominalWidth;
- int mnDefaultWidth;
+
+ ValType maNominalWidth;
+ ValType maDefaultWidth;
// ATM hinting related values
- int mnStemStdHW;
- int mnStemStdVW;
+ ValType maStemStdHW;
+ ValType maStemStdVW;
ValVector maStemSnapH;
ValVector maStemSnapV;
ValVector maBlueValues;
@@ -461,10 +462,10 @@ public: // TODO: is public really needed?
void getHintPair( int nIndex, ValType* nMin, ValType* nEnd) const;
// accessing other charstring specifics
- bool hasCharWidth( void) const { return (mnCharWidth != -1);}
- int getCharWidth( void) const { return mnCharWidth;}
- void setNominalWidth( int nWidth) { mpCffLocal->mnNominalWidth = nWidth;}
- void setDefaultWidth( int nWidth) { mpCffLocal->mnDefaultWidth = nWidth;}
+ bool hasCharWidth( void) const { return (maCharWidth > 0);}
+ ValType getCharWidth( void) const { return maCharWidth;}
+ void setNominalWidth( ValType aWidth) { mpCffLocal->maNominalWidth = aWidth;}
+ void setDefaultWidth( ValType aWidth) { mpCffLocal->maDefaultWidth = aWidth;}
void updateWidth( bool bUseFirstVal);
private:
@@ -477,7 +478,7 @@ private:
int mnHorzHintSize;
ValType mnHintStack[ NMAXHINTS];
- int mnCharWidth;
+ ValType maCharWidth;
};
// --------------------------------------------------------------------
@@ -488,7 +489,7 @@ CffSubsetterContext::CffSubsetterContext( const U8* pBasePtr, int nBaseLen)
, mnStackIdx(0)
, mnHintSize(0)
, mnHorzHintSize(0)
-, mnCharWidth(-1)
+, maCharWidth(-1)
{
// setCharStringType( 1);
// TODO: new CffLocal[ mnFDAryCount];
@@ -542,13 +543,13 @@ inline void CffSubsetterContext::updateWidth( bool bUseFirstVal)
return;
#endif
if( bUseFirstVal) {
- mnCharWidth = static_cast<int>(mpCffLocal->mnNominalWidth + mnValStack[0]);
+ maCharWidth = mpCffLocal->maNominalWidth + mnValStack[0];
// remove bottom stack entry
--mnStackIdx;
for( int i = 0; i < mnStackIdx; ++i)
mnValStack[ i] = mnValStack[ i+1];
} else {
- mnCharWidth = mpCffLocal->mnDefaultWidth;
+ maCharWidth = mpCffLocal->maDefaultWidth;
}
}
@@ -615,7 +616,7 @@ void CffSubsetterContext::readCharString( const U8* pTypeOps, int nTypeLen)
mnStackIdx = 0;
mnHintSize = 0;
mnHorzHintSize = 0;
- mnCharWidth = -1;
+ maCharWidth = -1;
assert( nTypeLen >= 0);
// assert( nEnd <= getLength());
@@ -659,14 +660,14 @@ void CffSubsetterContext::readDictOp( void)
nVal = popVal();
nInt = static_cast<int>(nVal);
switch( nOpId) {
- case 10: mpCffLocal->mnStemStdHW = nInt; break; // "StdHW"
- case 11: mpCffLocal->mnStemStdVW = nInt; break; // "StdVW"
+ case 10: mpCffLocal->maStemStdHW = nVal; break; // "StdHW"
+ case 11: mpCffLocal->maStemStdVW = nVal; break; // "StdVW"
case 15: mnCharsetBase = nInt; break; // "charset"
case 16: mnEncodingBase = nInt; break; // "nEncoding"
case 17: mnCharStrBase = nInt; break; // "nCharStrings"
case 19: mpCffLocal->mnLocalSubrOffs = nInt; break;// "nSubrs"
- case 20: setDefaultWidth( nInt ); break; // "defaultWidthX"
- case 21: setNominalWidth( nInt ); break; // "nominalWidthX"
+ case 20: setDefaultWidth( nVal ); break; // "defaultWidthX"
+ case 21: setNominalWidth( nVal ); break; // "nominalWidthX"
case 909: mpCffLocal->mfBlueScale = nVal; break; // "BlueScale"
case 910: mpCffLocal->mfBlueShift = nVal; break; // "BlueShift"
case 911: mpCffLocal->mfBlueFuzz = nVal; break; // "BlueFuzz"
@@ -1477,7 +1478,7 @@ int CffSubsetterContext::convert2Type1Ops( CffLocal* pCffLocal, const U8* const
mbSawError = false;
mbNeedClose = false;
mbIgnoreHints = false;
-mnHintSize=mnHorzHintSize=mnStackIdx=0; mnCharWidth=-1;//#######
+mnHintSize=mnHorzHintSize=mnStackIdx=0; maCharWidth=-1;//#######
mnCntrMask = 0;
while( mpReadPtr < mpReadEnd)
convertOneTypeOp();
@@ -1673,10 +1674,10 @@ CffLocal::CffLocal( void)
, mnLocalSubrBase( 0)
, mnLocalSubrCount( 0)
, mnLocalSubrBias( 0)
-, mnNominalWidth( 0)
-, mnDefaultWidth( 0)
-, mnStemStdHW( 0)
-, mnStemStdVW( 0)
+, maNominalWidth( 0)
+, maDefaultWidth( 0)
+, maStemStdHW( 0)
+, maStemStdVW( 0)
, mfBlueScale( 0.0)
, mfBlueShift( 0.0)
, mfBlueFuzz( 0.0)
@@ -2296,8 +2297,8 @@ bool CffSubsetterContext::emitAsType1( Type1Emitter& rEmitter,
nPrivEntryCount += (mpCffLocal->mfBlueShift != 0.0);
nPrivEntryCount += (mpCffLocal->mfBlueFuzz != 0.0);
// emit stem hints only if non-default values
- nPrivEntryCount += (mpCffLocal->mnStemStdHW != 0);
- nPrivEntryCount += (mpCffLocal->mnStemStdVW != 0);
+ nPrivEntryCount += (mpCffLocal->maStemStdHW != 0);
+ nPrivEntryCount += (mpCffLocal->maStemStdVW != 0);
nPrivEntryCount += !mpCffLocal->maStemSnapH.empty();
nPrivEntryCount += !mpCffLocal->maStemSnapV.empty();
// emit other hints only if non-default values
@@ -2337,10 +2338,10 @@ bool CffSubsetterContext::emitAsType1( Type1Emitter& rEmitter,
pOut += sprintf( pOut, "/BlueFuzz %.1f def\n", mpCffLocal->mfBlueFuzz);
// emit stem hint related privdict entries
- if( mpCffLocal->mnStemStdHW)
- pOut += sprintf( pOut, "/StdHW [%d] def\n", mpCffLocal->mnStemStdHW);
- if( mpCffLocal->mnStemStdVW)
- pOut += sprintf( pOut, "/StdVW [%d] def\n", mpCffLocal->mnStemStdVW);
+ if( mpCffLocal->maStemStdHW)
+ pOut += sprintf( pOut, "/StdHW [%g] def\n", mpCffLocal->maStemStdHW);
+ if( mpCffLocal->maStemStdVW)
+ pOut += sprintf( pOut, "/StdVW [%g] def\n", mpCffLocal->maStemStdVW);
rEmitter.emitValVector( "/StemSnapH [", "]ND\n", mpCffLocal->maStemSnapH);
rEmitter.emitValVector( "/StemSnapV [", "]ND\n", mpCffLocal->maStemSnapV);
@@ -2413,8 +2414,12 @@ bool CffSubsetterContext::emitAsType1( Type1Emitter& rEmitter,
pOut += sprintf( pOut, " ND\n");
rEmitter.emitAllCrypted();
// provide individual glyphwidths if requested
- if( pGlyphWidths )
- pGlyphWidths[i] = getCharWidth();
+ if( pGlyphWidths ) {
+ ValType aCharWidth = getCharWidth();
+ if( maFontMatrix.size() >= 4)
+ aCharWidth *= 1000.0F * maFontMatrix[0];
+ pGlyphWidths[i] = static_cast<GlyphWidth>(aCharWidth);
+ }
}
pOut += sprintf( pOut, "end end\nreadonly put\nput\n");
pOut += sprintf( pOut, "dup/FontName get exch definefont pop\n");
@@ -2446,8 +2451,17 @@ bool CffSubsetterContext::emitAsType1( Type1Emitter& rEmitter,
// provide details to the subset requesters, TODO: move into own method?
// note: Top and Bottom are flipped between Type1 and VCL
- rFSInfo.m_aFontBBox = Rectangle( Point( static_cast<long>(maFontBBox[0]), static_cast<long>(maFontBBox[1]) ),
- Point( static_cast<long>(maFontBBox[2]), static_cast<long>(maFontBBox[3]) ) );
+ // note: the rest of VCL expects the details below to be scaled like for an emUnits==1000 font
+ ValType fXFactor = 1.0;
+ ValType fYFactor = 1.0;
+ if( maFontMatrix.size() >= 4) {
+ fXFactor = 1000.0F * maFontMatrix[0];
+ fYFactor = 1000.0F * maFontMatrix[3];
+ }
+ rFSInfo.m_aFontBBox = Rectangle( Point( static_cast<long>(maFontBBox[0] * fXFactor),
+ static_cast<long>(maFontBBox[1] * fYFactor) ),
+ Point( static_cast<long>(maFontBBox[2] * fXFactor),
+ static_cast<long>(maFontBBox[3] * fYFactor) ) );
// PDF-Spec says the values below mean the ink bounds!
// TODO: use better approximations for these ink bounds
rFSInfo.m_nAscent = +rFSInfo.m_aFontBBox.Bottom(); // for capital letters
generated by cgit (git 2.34.1) at 2025-01-08 18:12:58 +0000