Author: hdu
Date: Mon May 13 09:46:13 2013
New Revision: 1481759
URL: http://svn.apache.org/r1481759
Log:
#i122301# the new file impfont.hxx consolidates many internal font helper
methods
Added:
openoffice/branches/rejuvenate01/main/vcl/source/gdi/impfont.cxx
Added: openoffice/branches/rejuvenate01/main/vcl/source/gdi/impfont.cxx
URL:
http://svn.apache.org/viewvc/openoffice/branches/rejuvenate01/main/vcl/source/gdi/impfont.cxx?rev=1481759&view=auto
==============================================================================
--- openoffice/branches/rejuvenate01/main/vcl/source/gdi/impfont.cxx (added)
+++ openoffice/branches/rejuvenate01/main/vcl/source/gdi/impfont.cxx Mon May 13
09:46:13 2013
@@ -0,0 +1,871 @@
+/**************************************************************
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ *
+ *************************************************************/
+
+// MARKER(update_precomp.py): autogen include statement, do not remove
+#include "precompiled_vcl.hxx"
+
+#include <vcl/metric.hxx>
+#include <outfont.hxx>
+#include <impfont.hxx>
+
+#include <vector>
+#include <set>
+
+// =======================================================================
+
+CmapResult::CmapResult( bool bSymbolic,
+ const sal_UCS4* pRangeCodes, int nRangeCount,
+ const int* pStartGlyphs, const sal_uInt16* pExtraGlyphIds )
+: mpRangeCodes( pRangeCodes)
+, mpStartGlyphs( pStartGlyphs)
+, mpGlyphIds( pExtraGlyphIds)
+, mnRangeCount( nRangeCount)
+, mbSymbolic( bSymbolic)
+, mbRecoded( false)
+{}
+
+// =======================================================================
+
+ImplFontCharMap::ImplFontCharMap( const CmapResult& rCR )
+: mpRangeCodes( rCR.mpRangeCodes )
+, mpStartGlyphs( rCR.mpStartGlyphs )
+, mpGlyphIds( rCR.mpGlyphIds )
+, mnRangeCount( rCR.mnRangeCount )
+, mnCharCount( 0 )
+, mnRefCount( 1 )
+{
+ const sal_UCS4* pRangePtr = mpRangeCodes;
+ for( int i = mnRangeCount; --i >= 0; pRangePtr += 2 )
+ {
+ sal_UCS4 cFirst = pRangePtr[0];
+ sal_UCS4 cLast = pRangePtr[1];
+ mnCharCount += cLast - cFirst;
+ }
+}
+
+static ImplFontCharMap* pDefaultImplFontCharMap = NULL;
+static const sal_UCS4 aDefaultUnicodeRanges[] = {0x0020,0xD800, 0xE000,0xFFF0};
+static const sal_UCS4 aDefaultSymbolRanges[] = {0x0020,0x0100, 0xF020,0xF100};
+
+// -----------------------------------------------------------------------
+
+bool ImplFontCharMap::IsDefaultMap() const
+{
+ const bool bIsDefault = (mpRangeCodes == aDefaultUnicodeRanges) ||
(mpRangeCodes == aDefaultSymbolRanges);
+ return bIsDefault;
+}
+
+// -----------------------------------------------------------------------
+
+ImplFontCharMap::~ImplFontCharMap()
+{
+ if( IsDefaultMap() )
+ return;
+ delete[] mpRangeCodes;
+ delete[] mpStartGlyphs;
+ delete[] mpGlyphIds;
+}
+
+// -----------------------------------------------------------------------
+
+ImplFontCharMap* ImplFontCharMap::GetDefaultMap( bool bSymbols)
+{
+ if( pDefaultImplFontCharMap )
+ pDefaultImplFontCharMap->AddReference();
+ else
+ {
+ const sal_UCS4* pRangeCodes = aDefaultUnicodeRanges;
+ int nCodesCount = sizeof(aDefaultUnicodeRanges) /
sizeof(*pRangeCodes);
+ if( bSymbols )
+ {
+ pRangeCodes = aDefaultSymbolRanges;
+ nCodesCount = sizeof(aDefaultSymbolRanges) /
sizeof(*pRangeCodes);
+ }
+
+ CmapResult aDefaultCR( bSymbols, pRangeCodes, nCodesCount/2 );
+ pDefaultImplFontCharMap = new ImplFontCharMap( aDefaultCR );
+ }
+
+ return pDefaultImplFontCharMap;
+}
+
+// -----------------------------------------------------------------------
+
+void ImplFontCharMap::AddReference( void) const
+{
+ ++mnRefCount;
+}
+
+// -----------------------------------------------------------------------
+
+void ImplFontCharMap::DeReference( void) const
+{
+ if( --mnRefCount <= 0 )
+ if( this != pDefaultImplFontCharMap )
+ delete this;
+}
+
+// -----------------------------------------------------------------------
+
+int ImplFontCharMap::GetCharCount() const
+{
+ return mnCharCount;
+}
+
+// -----------------------------------------------------------------------
+
+int ImplFontCharMap::ImplFindRangeIndex( sal_UCS4 cChar ) const
+{
+ int nLower = 0;
+ int nMid = mnRangeCount;
+ int nUpper = 2 * mnRangeCount - 1;
+ while( nLower < nUpper )
+ {
+ if( cChar >= mpRangeCodes[ nMid ] )
+ nLower = nMid;
+ else
+ nUpper = nMid - 1;
+ nMid = (nLower + nUpper + 1) / 2;
+ }
+
+ return nMid;
+}
+
+// -----------------------------------------------------------------------
+
+bool ImplFontCharMap::HasChar( sal_UCS4 cChar ) const
+{
+ bool bHasChar = false;
+
+ if( mpStartGlyphs == NULL ) { // only the char-ranges are known
+ const int nRange = ImplFindRangeIndex( cChar );
+ if( nRange==0 && cChar<mpRangeCodes[0] )
+ return false;
+ bHasChar = ((nRange & 1) == 0); // inside a range
+ } else { // glyph mapping is available
+ const int nGlyphIndex = GetGlyphIndex( cChar );
+ bHasChar = (nGlyphIndex != 0); // not the notdef-glyph
+ }
+
+ return bHasChar;
+}
+
+// -----------------------------------------------------------------------
+
+int ImplFontCharMap::GetGlyphIndex( sal_UCS4 cChar ) const
+{
+ // return -1 if the object doesn't know the glyph ids
+ if( !mpStartGlyphs )
+ return -1;
+
+ // return 0 if the unicode doesn't have a matching glyph
+ int nRange = ImplFindRangeIndex( cChar );
+ // check that we are inside any range
+ if( (nRange == 0) && (cChar < mpRangeCodes[0]) ) {
+ // symbol aliasing gives symbol fonts a second chance
+ const bool bSymbolic = (mpRangeCodes[0]>=0xF000) &
(mpRangeCodes[1]<=0xF0FF);
+ if( !bSymbolic )
+ return 0;
+ // check for symbol aliasing (U+F0xx -> U+00xx)
+ nRange = ImplFindRangeIndex( cChar | 0xF000 );
+ }
+ // check that we are inside a range
+ if( (nRange & 1) != 0 )
+ return 0;
+
+ // get glyph index directly or indirectly
+ int nGlyphIndex = cChar - mpRangeCodes[ nRange ];
+ const int nStartIndex = mpStartGlyphs[ nRange/2 ];
+ if( nStartIndex >= 0 ) {
+ // the glyph index can be calculated
+ nGlyphIndex += nStartIndex;
+ } else {
+ // the glyphid array has the glyph index
+ nGlyphIndex = mpGlyphIds[ nGlyphIndex - nStartIndex];
+ }
+
+ return nGlyphIndex;
+}
+
+// -----------------------------------------------------------------------
+
+// returns the number of chars supported by the font, which
+// are inside the unicode range from cMin to cMax (inclusive)
+int ImplFontCharMap::CountCharsInRange( sal_UCS4 cMin, sal_UCS4 cMax ) const
+{
+ int nCount = 0;
+
+ // find and adjust range and char count for cMin
+ int nRangeMin = ImplFindRangeIndex( cMin );
+ if( nRangeMin & 1 )
+ ++nRangeMin;
+ else if( cMin > mpRangeCodes[ nRangeMin ] )
+ nCount -= cMin - mpRangeCodes[ nRangeMin ];
+
+ // find and adjust range and char count for cMax
+ int nRangeMax = ImplFindRangeIndex( cMax );
+ if( nRangeMax & 1 )
+ --nRangeMax;
+ else
+ nCount -= mpRangeCodes[ nRangeMax+1 ] - cMax - 1;
+
+ // count chars in complete ranges between cMin and cMax
+ for( int i = nRangeMin; i <= nRangeMax; i+=2 )
+ nCount += mpRangeCodes[i+1] - mpRangeCodes[i];
+
+ return nCount;
+}
+
+// -----------------------------------------------------------------------
+
+sal_UCS4 ImplFontCharMap::GetFirstChar() const
+{
+ return mpRangeCodes[0];
+}
+
+// -----------------------------------------------------------------------
+
+sal_UCS4 ImplFontCharMap::GetLastChar() const
+{
+ return (mpRangeCodes[ 2*mnRangeCount-1 ] - 1);
+}
+
+// -----------------------------------------------------------------------
+
+sal_UCS4 ImplFontCharMap::GetNextChar( sal_UCS4 cChar ) const
+{
+ if( cChar < GetFirstChar() )
+ return GetFirstChar();
+ if( cChar >= GetLastChar() )
+ return GetLastChar();
+
+ int nRange = ImplFindRangeIndex( cChar + 1 );
+ if( nRange & 1 ) // outside of range?
+ return mpRangeCodes[ nRange + 1 ]; // => first in next range
+ return (cChar + 1);
+}
+
+// -----------------------------------------------------------------------
+
+sal_UCS4 ImplFontCharMap::GetPrevChar( sal_UCS4 cChar ) const
+{
+ if( cChar <= GetFirstChar() )
+ return GetFirstChar();
+ if( cChar > GetLastChar() )
+ return GetLastChar();
+
+ int nRange = ImplFindRangeIndex( cChar - 1 );
+ if( nRange & 1 ) // outside a range?
+ return (mpRangeCodes[ nRange ] - 1); // => last in prev range
+ return (cChar - 1);
+}
+
+// -----------------------------------------------------------------------
+
+int ImplFontCharMap::GetIndexFromChar( sal_UCS4 cChar ) const
+{
+ // TODO: improve linear walk?
+ int nCharIndex = 0;
+ const sal_UCS4* pRange = &mpRangeCodes[0];
+ for( int i = 0; i < mnRangeCount; ++i )
+ {
+ sal_UCS4 cFirst = *(pRange++);
+ sal_UCS4 cLast = *(pRange++);
+ if( cChar >= cLast )
+ nCharIndex += cLast - cFirst;
+ else if( cChar >= cFirst )
+ return nCharIndex + (cChar - cFirst);
+ else
+ break;
+ }
+
+ return -1;
+}
+
+// -----------------------------------------------------------------------
+
+sal_UCS4 ImplFontCharMap::GetCharFromIndex( int nCharIndex ) const
+{
+ // TODO: improve linear walk?
+ const sal_UCS4* pRange = &mpRangeCodes[0];
+ for( int i = 0; i < mnRangeCount; ++i )
+ {
+ sal_UCS4 cFirst = *(pRange++);
+ sal_UCS4 cLast = *(pRange++);
+ nCharIndex -= cLast - cFirst;
+ if( nCharIndex < 0 )
+ return (cLast + nCharIndex);
+ }
+
+ // we can only get here with an out-of-bounds charindex
+ return mpRangeCodes[0];
+}
+
+// =======================================================================
+
+static unsigned GetUInt( const unsigned char* p ) {
return((p[0]<<24)+(p[1]<<16)+(p[2]<<8)+p[3]);}
+static unsigned Getsal_uInt16( const unsigned char* p ){ return((p[0]<<8) |
p[1]);}
+static int GetSShort( const unsigned char* p ){ return((static_cast<signed
char>(p[0])<<8)|p[1]);}
+
+// TODO: move CMAP parsing directly into the ImplFontCharMap class
+bool ParseCMAP( const unsigned char* pCmap, int nLength, CmapResult& rResult )
+{
+ rResult.mpRangeCodes = NULL;
+ rResult.mpStartGlyphs= NULL;
+ rResult.mpGlyphIds = NULL;
+ rResult.mnRangeCount = 0;
+ rResult.mbRecoded = false;
+ rResult.mbSymbolic = false;
+
+ // parse the table header and check for validity
+ if( !pCmap || (nLength < 24) )
+ return false;
+
+ if( Getsal_uInt16( pCmap ) != 0x0000 ) // simple check for CMAP corruption
+ return false;
+
+ int nSubTables = Getsal_uInt16( pCmap + 2 );
+ if( (nSubTables <= 0) || (nLength < (24 + 8*nSubTables)) )
+ return false;
+
+ // find the most interesting subtable in the CMAP
+ rtl_TextEncoding eRecodeFrom = RTL_TEXTENCODING_UNICODE;
+ int nOffset = 0;
+ int nFormat = -1;
+ int nBestVal = 0;
+ for( const unsigned char* p = pCmap + 4; --nSubTables >= 0; p += 8 )
+ {
+ int nPlatform = Getsal_uInt16( p );
+ int nEncoding = Getsal_uInt16( p+2 );
+ int nPlatformEncoding = (nPlatform << 8) + nEncoding;
+
+ int nValue;
+ rtl_TextEncoding eTmpEncoding = RTL_TEXTENCODING_UNICODE;
+ switch( nPlatformEncoding )
+ {
+ case 0x000: nValue = 20; break; //
Unicode 1.0
+ case 0x001: nValue = 21; break; //
Unicode 1.1
+ case 0x002: nValue = 22; break; //
iso10646_1993
+ case 0x003: nValue = 23; break; //
UCS-2
+ case 0x004: nValue = 24; break; //
UCS-4
+ case 0x100: nValue = 22; break; // Mac
Unicode<2.0
+ case 0x103: nValue = 23; break; // Mac
Unicode>2.0
+ case 0x300: nValue = 5; rResult.mbSymbolic = true; break; // Win
Symbol
+ case 0x301: nValue = 28; break; // Win
UCS-2
+ case 0x30A: nValue = 29; break; //
Win-UCS-4
+ case 0x302: nValue = 11; eTmpEncoding =
RTL_TEXTENCODING_SHIFT_JIS; break;
+ case 0x303: nValue = 12; eTmpEncoding = RTL_TEXTENCODING_GB_18030;
break;
+ case 0x304: nValue = 11; eTmpEncoding = RTL_TEXTENCODING_BIG5;
break;
+ case 0x305: nValue = 11; eTmpEncoding = RTL_TEXTENCODING_MS_949;
break;
+ case 0x306: nValue = 11; eTmpEncoding = RTL_TEXTENCODING_MS_1361;
break;
+ default: nValue = 0; break;
+ }
+
+ if( nValue <= 0 ) // ignore unknown encodings
+ continue;
+
+ int nTmpOffset = GetUInt( p+4 );
+ int nTmpFormat = Getsal_uInt16( pCmap + nTmpOffset );
+ if( nTmpFormat == 12 ) // 32bit code -> glyph map
format
+ nValue += 3;
+ else if( nTmpFormat != 4 ) // 16bit code -> glyph map
format
+ continue; // ignore other formats
+
+ if( nBestVal < nValue )
+ {
+ nBestVal = nValue;
+ nOffset = nTmpOffset;
+ nFormat = nTmpFormat;
+ eRecodeFrom = eTmpEncoding;
+ }
+ }
+
+ // parse the best CMAP subtable
+ int nRangeCount = 0;
+ sal_UCS4* pCodePairs = NULL;
+ int* pStartGlyphs = NULL;
+
+ typedef std::vector<sal_uInt16> U16Vector;
+ U16Vector aGlyphIdArray;
+ aGlyphIdArray.reserve( 0x1000 );
+ aGlyphIdArray.push_back( 0 );
+
+ // format 4, the most common 16bit char mapping table
+ if( (nFormat == 4) && ((nOffset+16) < nLength) )
+ {
+ int nSegCountX2 = Getsal_uInt16( pCmap + nOffset + 6 );
+ nRangeCount = nSegCountX2/2 - 1;
+ pCodePairs = new sal_UCS4[ nRangeCount * 2 ];
+ pStartGlyphs = new int[ nRangeCount ];
+ const unsigned char* pLimitBase = pCmap + nOffset + 14;
+ const unsigned char* pBeginBase = pLimitBase + nSegCountX2 + 2;
+ const unsigned char* pDeltaBase = pBeginBase + nSegCountX2;
+ const unsigned char* pOffsetBase = pDeltaBase + nSegCountX2;
+ sal_UCS4* pCP = pCodePairs;
+ for( int i = 0; i < nRangeCount; ++i )
+ {
+ const sal_UCS4 cMinChar = Getsal_uInt16( pBeginBase + 2*i );
+ const sal_UCS4 cMaxChar = Getsal_uInt16( pLimitBase + 2*i );
+ const int nGlyphDelta = GetSShort( pDeltaBase + 2*i );
+ const int nRangeOffset = Getsal_uInt16( pOffsetBase + 2*i );
+ if( cMinChar > cMaxChar ) // no sane font should trigger this
+ break;
+ if( cMaxChar == 0xFFFF )
+ break;
+ *(pCP++) = cMinChar;
+ *(pCP++) = cMaxChar + 1;
+ if( !nRangeOffset ) {
+ // glyphid can be calculated directly
+ pStartGlyphs[i] = (cMinChar + nGlyphDelta) & 0xFFFF;
+ } else {
+ // update the glyphid-array with the glyphs in this range
+ pStartGlyphs[i] = -(int)aGlyphIdArray.size();
+ const unsigned char* pGlyphIdPtr = pOffsetBase + 2*i +
nRangeOffset;
+ for( sal_UCS4 c = cMinChar; c <= cMaxChar; ++c, pGlyphIdPtr+=2
) {
+ const int nGlyphIndex = Getsal_uInt16( pGlyphIdPtr ) +
nGlyphDelta;
+ aGlyphIdArray.push_back(
static_cast<sal_uInt16>(nGlyphIndex) );
+ }
+ }
+ }
+ nRangeCount = (pCP - pCodePairs) / 2;
+ }
+ // format 12, the most common 32bit char mapping table
+ else if( (nFormat == 12) && ((nOffset+16) < nLength) )
+ {
+ nRangeCount = GetUInt( pCmap + nOffset + 12 );
+ pCodePairs = new sal_UCS4[ nRangeCount * 2 ];
+ pStartGlyphs = new int[ nRangeCount ];
+ const unsigned char* pGroup = pCmap + nOffset + 16;
+ sal_UCS4* pCP = pCodePairs;
+ for( int i = 0; i < nRangeCount; ++i )
+ {
+ sal_UCS4 cMinChar = GetUInt( pGroup + 0 );
+ sal_UCS4 cMaxChar = GetUInt( pGroup + 4 );
+ int nGlyphId = GetUInt( pGroup + 8 );
+ pGroup += 12;
+#if 0 // TODO: remove unicode baseplane clipping for UCS-4 support
+ if( cMinChar > 0xFFFF )
+ continue;
+ if( cMaxChar > 0xFFFF )
+ cMaxChar = 0xFFFF;
+#else
+ if( cMinChar > cMaxChar ) // no sane font should trigger this
+ break;
+#endif
+ *(pCP++) = cMinChar;
+ *(pCP++) = cMaxChar + 1;
+ pStartGlyphs[i] = nGlyphId;
+ }
+ nRangeCount = (pCP - pCodePairs) / 2;
+ }
+
+ // check if any subtable resulted in something usable
+ if( nRangeCount <= 0 )
+ {
+ delete[] pCodePairs;
+ delete[] pStartGlyphs;
+
+ // even when no CMAP is available we know it for symbol fonts
+ if( rResult.mbSymbolic )
+ {
+ pCodePairs = new sal_UCS4[4];
+ pCodePairs[0] = 0x0020; // aliased symbols
+ pCodePairs[1] = 0x0100;
+ pCodePairs[2] = 0xF020; // original symbols
+ pCodePairs[3] = 0xF100;
+ rResult.mpRangeCodes = pCodePairs;
+ rResult.mnRangeCount = 2;
+ return true;
+ }
+
+ return false;
+ }
+
+ // recode the code ranges to their unicode encoded ranges if needed
+ rtl_TextToUnicodeConverter aConverter = NULL;
+ rtl_UnicodeToTextContext aCvtContext = NULL;
+
+ rResult.mbRecoded = ( eRecodeFrom != RTL_TEXTENCODING_UNICODE );
+ if( rResult.mbRecoded )
+ {
+ aConverter = rtl_createTextToUnicodeConverter( eRecodeFrom );
+ aCvtContext = rtl_createTextToUnicodeContext( aConverter );
+ }
+
+ if( aConverter && aCvtContext )
+ {
+ // determine the set of supported unicodes from encoded ranges
+ typedef std::set<sal_UCS4> Ucs4Set;
+ Ucs4Set aSupportedUnicodes;
+
+ static const int NINSIZE = 64;
+ static const int NOUTSIZE = 64;
+ sal_Char cCharsInp[ NINSIZE ];
+ sal_Unicode cCharsOut[ NOUTSIZE ];
+ sal_UCS4* pCP = pCodePairs;
+ for( int i = 0; i < nRangeCount; ++i )
+ {
+ sal_UCS4 cMin = *(pCP++);
+ sal_UCS4 cEnd = *(pCP++);
+ while( cMin < cEnd )
+ {
+ int j = 0;
+ for(; (cMin < cEnd) && (j < NINSIZE); ++cMin )
+ {
+ if( cMin >= 0x0100 )
+ cCharsInp[ j++ ] = static_cast<sal_Char>(cMin >> 8);
+ if( (cMin >= 0x0100) || (cMin < 0x00A0) )
+ cCharsInp[ j++ ] = static_cast<sal_Char>(cMin);
+ }
+
+ sal_uInt32 nCvtInfo;
+ sal_Size nSrcCvtBytes;
+ int nOutLen = rtl_convertTextToUnicode(
+ aConverter, aCvtContext,
+ cCharsInp, j, cCharsOut, NOUTSIZE,
+ RTL_TEXTTOUNICODE_FLAGS_INVALID_IGNORE
+ | RTL_TEXTTOUNICODE_FLAGS_UNDEFINED_IGNORE,
+ &nCvtInfo, &nSrcCvtBytes );
+
+ for( j = 0; j < nOutLen; ++j )
+ aSupportedUnicodes.insert( cCharsOut[j] );
+ }
+ }
+
+ rtl_destroyTextToUnicodeConverter( aCvtContext );
+ rtl_destroyTextToUnicodeConverter( aConverter );
+
+ // convert the set of supported unicodes to ranges
+ typedef std::vector<sal_UCS4> Ucs4Vector;
+ Ucs4Vector aSupportedRanges;
+
+ Ucs4Set::const_iterator itChar = aSupportedUnicodes.begin();
+ for(; itChar != aSupportedUnicodes.end(); ++itChar )
+ {
+ if( aSupportedRanges.empty()
+ || (aSupportedRanges.back() != *itChar) )
+ {
+ // add new range beginning with current unicode
+ aSupportedRanges.push_back( *itChar );
+ aSupportedRanges.push_back( 0 );
+ }
+
+ // extend existing range to include current unicode
+ aSupportedRanges.back() = *itChar + 1;
+ }
+
+ // glyph mapping for non-unicode fonts not implemented
+ delete[] pStartGlyphs;
+ pStartGlyphs = NULL;
+ aGlyphIdArray.clear();
+
+ // make a pCodePairs array using the vector from above
+ delete[] pCodePairs;
+ nRangeCount = aSupportedRanges.size() / 2;
+ if( nRangeCount <= 0 )
+ return false;
+ pCodePairs = new sal_UCS4[ nRangeCount * 2 ];
+ Ucs4Vector::const_iterator itInt = aSupportedRanges.begin();
+ for( pCP = pCodePairs; itInt != aSupportedRanges.end(); ++itInt )
+ *(pCP++) = *itInt;
+ }
+
+ // prepare the glyphid-array if needed
+ // TODO: merge ranges if they are close enough?
+ sal_uInt16* pGlyphIds = NULL;
+ if( !aGlyphIdArray.empty())
+ {
+ pGlyphIds = new sal_uInt16[ aGlyphIdArray.size() ];
+ sal_uInt16* pOut = pGlyphIds;
+ U16Vector::const_iterator it = aGlyphIdArray.begin();
+ while( it != aGlyphIdArray.end() )
+ *(pOut++) = *(it++);
+ }
+
+ // update the result struct
+ rResult.mpRangeCodes = pCodePairs;
+ rResult.mpStartGlyphs = pStartGlyphs;
+ rResult.mnRangeCount = nRangeCount;
+ rResult.mpGlyphIds = pGlyphIds;
+ return true;
+}
+
+// =======================================================================
+
+FontCharMap::FontCharMap()
+: mpImpl( ImplFontCharMap::GetDefaultMap() )
+{}
+
+// -----------------------------------------------------------------------
+
+FontCharMap::~FontCharMap()
+{
+ mpImpl->DeReference();
+ mpImpl = NULL;
+}
+
+// -----------------------------------------------------------------------
+
+int FontCharMap::GetCharCount() const
+{
+ return mpImpl->GetCharCount();
+}
+
+// -----------------------------------------------------------------------
+
+int FontCharMap::CountCharsInRange( sal_UCS4 cMin, sal_UCS4 cMax ) const
+{
+ return mpImpl->CountCharsInRange( cMin, cMax );
+}
+
+// -----------------------------------------------------------------------
+
+void FontCharMap::Reset( const ImplFontCharMap* pNewMap )
+{
+ if( pNewMap == NULL )
+ {
+ mpImpl->DeReference();
+ mpImpl = ImplFontCharMap::GetDefaultMap();
+ }
+ else if( pNewMap != mpImpl )
+ {
+ mpImpl->DeReference();
+ mpImpl = pNewMap;
+ mpImpl->AddReference();
+ }
+}
+
+// -----------------------------------------------------------------------
+
+bool FontCharMap::IsDefaultMap() const
+{
+ return mpImpl->IsDefaultMap();
+}
+
+// -----------------------------------------------------------------------
+
+bool FontCharMap::HasChar( sal_UCS4 cChar ) const
+{
+ return mpImpl->HasChar( cChar );
+}
+
+// -----------------------------------------------------------------------
+
+sal_UCS4 FontCharMap::GetFirstChar() const
+{
+ return mpImpl->GetFirstChar();
+}
+
+// -----------------------------------------------------------------------
+
+sal_UCS4 FontCharMap::GetLastChar() const
+{
+ return mpImpl->GetLastChar();
+}
+
+// -----------------------------------------------------------------------
+
+sal_UCS4 FontCharMap::GetNextChar( sal_UCS4 cChar ) const
+{
+ return mpImpl->GetNextChar( cChar );
+}
+
+// -----------------------------------------------------------------------
+
+sal_UCS4 FontCharMap::GetPrevChar( sal_UCS4 cChar ) const
+{
+ return mpImpl->GetPrevChar( cChar );
+}
+
+// -----------------------------------------------------------------------
+
+int FontCharMap::GetIndexFromChar( sal_UCS4 cChar ) const
+{
+ return mpImpl->GetIndexFromChar( cChar );
+}
+
+// -----------------------------------------------------------------------
+
+sal_UCS4 FontCharMap::GetCharFromIndex( int nIndex ) const
+{
+ return mpImpl->GetCharFromIndex( nIndex );
+}
+
+// =======================================================================
+
+// on some systems we have to get the font attributes from the name table
+// since neither head's macStyle nor OS/2's panose are easily available
+// during font enumeration. macStyle bits would be not sufficient anyway
+// and SFNT fonts on Mac usually do not contain an OS/2 table.
+void UpdateAttributesFromPSName( const String& rPSName, ImplDevFontAttributes&
rDFA )
+{
+ ByteString aPSName( rPSName, RTL_TEXTENCODING_UTF8 );
+ aPSName.ToLowerAscii();
+
+ // TODO: use a multi-string ignore-case matcher once it becomes
available
+ if( (aPSName.Search("regular") != STRING_NOTFOUND)
+ || (aPSName.Search("normal") != STRING_NOTFOUND)
+ || (aPSName.Search("roman") != STRING_NOTFOUND)
+ || (aPSName.Search("medium") != STRING_NOTFOUND)
+ || (aPSName.Search("plain") != STRING_NOTFOUND)
+ || (aPSName.Search("standard") != STRING_NOTFOUND)
+ || (aPSName.Search("std") != STRING_NOTFOUND) )
+ {
+ rDFA.meWidthType = WIDTH_NORMAL;
+ rDFA.meWeight = WEIGHT_NORMAL;
+ rDFA.meItalic = ITALIC_NONE;
+ }
+
+ // heuristics for font weight
+ if (aPSName.Search("extrablack") != STRING_NOTFOUND)
+ rDFA.meWeight = WEIGHT_BLACK;
+ else if (aPSName.Search("black") != STRING_NOTFOUND)
+ rDFA.meWeight = WEIGHT_BLACK;
+#if 1
+ else if (aPSName.Search("book") != STRING_NOTFOUND)
+ rDFA.meWeight = WEIGHT_NORMAL;
+#endif
+ else if( (aPSName.Search("semibold") != STRING_NOTFOUND)
+ || (aPSName.Search("smbd") != STRING_NOTFOUND))
+ rDFA.meWeight = WEIGHT_SEMIBOLD;
+ else if( aPSName.Search("ultrabold") != STRING_NOTFOUND)
+ rDFA.meWeight = WEIGHT_ULTRABOLD;
+ else if( aPSName.Search("extrabold") != STRING_NOTFOUND)
+ rDFA.meWeight = WEIGHT_BLACK;
+ else if( (aPSName.Search("bold") != STRING_NOTFOUND)
+ || (aPSName.Search("-bd") != STRING_NOTFOUND))
+ rDFA.meWeight = WEIGHT_BOLD;
+ else if( aPSName.Search("extralight") != STRING_NOTFOUND)
+ rDFA.meWeight = WEIGHT_ULTRALIGHT;
+ else if( aPSName.Search("ultralight") != STRING_NOTFOUND)
+ rDFA.meWeight = WEIGHT_ULTRALIGHT;
+ else if( aPSName.Search("light") != STRING_NOTFOUND)
+ rDFA.meWeight = WEIGHT_LIGHT;
+ else if( aPSName.Search("thin") != STRING_NOTFOUND)
+ rDFA.meWeight = WEIGHT_THIN;
+ else if( aPSName.Search("-w3") != STRING_NOTFOUND)
+ rDFA.meWeight = WEIGHT_LIGHT;
+ else if( aPSName.Search("-w4") != STRING_NOTFOUND)
+ rDFA.meWeight = WEIGHT_SEMILIGHT;
+ else if( aPSName.Search("-w5") != STRING_NOTFOUND)
+ rDFA.meWeight = WEIGHT_NORMAL;
+ else if( aPSName.Search("-w6") != STRING_NOTFOUND)
+ rDFA.meWeight = WEIGHT_SEMIBOLD;
+ else if( aPSName.Search("-w7") != STRING_NOTFOUND)
+ rDFA.meWeight = WEIGHT_BOLD;
+ else if( aPSName.Search("-w8") != STRING_NOTFOUND)
+ rDFA.meWeight = WEIGHT_ULTRABOLD;
+ else if( aPSName.Search("-w9") != STRING_NOTFOUND)
+ rDFA.meWeight = WEIGHT_BLACK;
+
+ // heuristics for font slant
+ if( (aPSName.Search("italic") != STRING_NOTFOUND)
+ || (aPSName.Search(" ital") != STRING_NOTFOUND)
+ || (aPSName.Search("cursive") != STRING_NOTFOUND)
+ || (aPSName.Search("-it") != STRING_NOTFOUND)
+ || (aPSName.Search("lightit") != STRING_NOTFOUND)
+ || (aPSName.Search("mediumit") != STRING_NOTFOUND)
+ || (aPSName.Search("boldit") != STRING_NOTFOUND)
+ || (aPSName.Search("cnit") != STRING_NOTFOUND)
+ || (aPSName.Search("bdcn") != STRING_NOTFOUND)
+ || (aPSName.Search("bdit") != STRING_NOTFOUND)
+ || (aPSName.Search("condit") != STRING_NOTFOUND)
+ || (aPSName.Search("bookit") != STRING_NOTFOUND)
+ || (aPSName.Search("blackit") != STRING_NOTFOUND) )
+ rDFA.meItalic = ITALIC_NORMAL;
+ if( (aPSName.Search("oblique") != STRING_NOTFOUND)
+ || (aPSName.Search("inclined") != STRING_NOTFOUND)
+ || (aPSName.Search("slanted") != STRING_NOTFOUND) )
+ rDFA.meItalic = ITALIC_OBLIQUE;
+
+ // heuristics for font width
+ if( (aPSName.Search("condensed") != STRING_NOTFOUND)
+ || (aPSName.Search("-cond") != STRING_NOTFOUND)
+ || (aPSName.Search("boldcond") != STRING_NOTFOUND)
+ || (aPSName.Search("boldcn") != STRING_NOTFOUND)
+ || (aPSName.Search("cnit") != STRING_NOTFOUND) )
+ rDFA.meWidthType = WIDTH_CONDENSED;
+ else if (aPSName.Search("narrow") != STRING_NOTFOUND)
+ rDFA.meWidthType = WIDTH_SEMI_CONDENSED;
+ else if (aPSName.Search("expanded") != STRING_NOTFOUND)
+ rDFA.meWidthType = WIDTH_EXPANDED;
+ else if (aPSName.Search("wide") != STRING_NOTFOUND)
+ rDFA.meWidthType = WIDTH_EXPANDED;
+
+ // heuristics for font pitch
+ if( (aPSName.Search("mono") != STRING_NOTFOUND)
+ || (aPSName.Search("courier") != STRING_NOTFOUND)
+ || (aPSName.Search("monaco") != STRING_NOTFOUND)
+ || (aPSName.Search("typewriter") != STRING_NOTFOUND) )
+ rDFA.mePitch = PITCH_FIXED;
+
+ // heuristics for font family type
+ if( (aPSName.Search("script") != STRING_NOTFOUND)
+ || (aPSName.Search("chancery") != STRING_NOTFOUND)
+ || (aPSName.Search("zapfino") != STRING_NOTFOUND))
+ rDFA.meFamily = FAMILY_SCRIPT;
+ else if( (aPSName.Search("comic") != STRING_NOTFOUND)
+ || (aPSName.Search("outline") != STRING_NOTFOUND)
+ || (aPSName.Search("pinpoint") != STRING_NOTFOUND) )
+ rDFA.meFamily = FAMILY_DECORATIVE;
+ else if( (aPSName.Search("sans") != STRING_NOTFOUND)
+ || (aPSName.Search("arial") != STRING_NOTFOUND) )
+ rDFA.meFamily = FAMILY_SWISS;
+ else if( (aPSName.Search("roman") != STRING_NOTFOUND)
+ || (aPSName.Search("times") != STRING_NOTFOUND) )
+ rDFA.meFamily = FAMILY_ROMAN;
+
+ // heuristics for codepoint semantic
+ if( (aPSName.Search("symbol") != STRING_NOTFOUND)
+ || (aPSName.Search("dings") != STRING_NOTFOUND)
+ || (aPSName.Search("dingbats") != STRING_NOTFOUND)
+ || (aPSName.Search("braille") != STRING_NOTFOUND)
+ || (aPSName.Search("ornaments") != STRING_NOTFOUND)
+ || (aPSName.Search("embellishments") != STRING_NOTFOUND) )
+ rDFA.mbSymbolFlag = true;
+
+ // #i100020# special heuristic for names with single-char styles
+ // NOTE: we are checking name that hasn't been lower-cased
+ if( rPSName.Len() > 3 )
+ {
+ int i = rPSName.Len();
+ sal_Unicode c = rPSName.GetChar( --i );
+ if( c == 'C' ) { // "capitals"
+ rDFA.meFamily = FAMILY_DECORATIVE;
+ c = rPSName.GetChar( --i );
+ }
+ if( c == 'O' ) { // CFF-based OpenType
+ c = rPSName.GetChar( --i );
+ }
+ if( c == 'I' ) { // "italic"
+ rDFA.meItalic = ITALIC_NORMAL;
+ c = rPSName.GetChar( --i );
+ }
+ if( c == 'B' ) // "bold"
+ rDFA.meWeight = WEIGHT_BOLD;
+ if( c == 'C' ) // "capitals"
+ rDFA.meFamily = FAMILY_DECORATIVE;
+ // TODO: check that all single-char styles have been resolved?
+ }
+}
+
+// =======================================================================
+
