bool WrittenFontCFF::HasEnoughSpaceForGlyphs(const GlyphUnicodeMappingListList& inGlyphsList)
{
GlyphUnicodeMappingListList::const_iterator itList = inGlyphsList.begin();
GlyphUnicodeMappingList::const_iterator it;
int glyphsToAddCount = 0;
for(; itList != inGlyphsList.end(); ++itList)
{
it = itList->begin();
for(; it != itList->end(); ++it)
if(mANSIRepresentation->mGlyphIDToEncodedChar.find(it->mGlyphCode) == mANSIRepresentation->mGlyphIDToEncodedChar.end())
++glyphsToAddCount;
}
return glyphsToAddCount <= mAvailablePositionsCount;
}
bool WrittenFontCFF::AddToANSIRepresentation( const GlyphUnicodeMappingListList& inGlyphsList,
UShortListList& outEncodedCharacters)
{
// categorically do not allow an ANSI representation if the font is CID
if(!mIsCID && HasEnoughSpaceForGlyphs(inGlyphsList))
{
GlyphUnicodeMappingListList::const_iterator itList = inGlyphsList.begin();
GlyphUnicodeMappingList::const_iterator it;
UShortList encodedCharacters;
for(; itList != inGlyphsList.end(); ++itList)
{
it = itList->begin();
for(; it != itList->end(); ++it)
encodedCharacters.push_back(EncodeGlyph(it->mGlyphCode,it->mUnicodeValues));
outEncodedCharacters.push_back(encodedCharacters);
encodedCharacters.clear();
}
return true;
}
else
return false;
}
bool WrittenFontTrueType::AddToANSIRepresentation( const GlyphUnicodeMappingListList& inGlyphsList,
UShortListList& outEncodedCharacters)
{
UShortListList candidatesList;
UShortList candidates;
BoolAndByte encodingResult(true,0);
WinAnsiEncoding winAnsiEncoding;
GlyphUnicodeMappingListList::const_iterator itList = inGlyphsList.begin();
GlyphUnicodeMappingList::const_iterator it;
for(; itList != inGlyphsList.end() && encodingResult.first; ++itList)
{
it = itList->begin();
for(; it != itList->end() && encodingResult.first; ++it)
{
// don't bother with characters of more or less than one unicode
if(it->mUnicodeValues.size() != 1)
{
encodingResult.first = false;
}
else if(0x2022 == it->mUnicodeValues.front())
{
// From the reference:
// In WinAnsiEncoding, all unused codes greater than 40 map to the bullet character.
// However, only code 225 is specifically assigned to the bullet character; other codes are subject to future reassignment.
// now i don't know if it's related or not...but acrobat isn't happy when i'm using winansi with bullet. and text coming after that bullet may be
// corrupted.
// so i'm forcing CID if i hit bullet till i know better.
encodingResult.first = false;
}
else
{
encodingResult = winAnsiEncoding.Encode(it->mUnicodeValues.front());
if(encodingResult.first)
candidates.push_back(encodingResult.second);
}
}
if(encodingResult.first)
{
candidatesList.push_back(candidates);
candidates.clear();
}
}
if(encodingResult.first)
{
// for the first time, add also 0,0 mapping
if(mANSIRepresentation->mGlyphIDToEncodedChar.size() == 0)
mANSIRepresentation->mGlyphIDToEncodedChar.insert(UIntToGlyphEncodingInfoMap::value_type(0,GlyphEncodingInfo(0,0)));
GlyphUnicodeMappingListList::const_iterator itGlyphsList = inGlyphsList.begin();
UShortListList::iterator itEncodedList = candidatesList.begin();
GlyphUnicodeMappingList::const_iterator itGlyphs;
UShortList::iterator itEncoded;
for(; itGlyphsList != inGlyphsList.end(); ++ itGlyphsList,++itEncodedList)
{
itGlyphs = itGlyphsList->begin();
itEncoded = itEncodedList->begin();
for(; itGlyphs != itGlyphsList->end(); ++ itGlyphs,++itEncoded)
{
if(mANSIRepresentation->mGlyphIDToEncodedChar.find(itGlyphs->mGlyphCode) == mANSIRepresentation->mGlyphIDToEncodedChar.end())
mANSIRepresentation->mGlyphIDToEncodedChar.insert(
UIntToGlyphEncodingInfoMap::value_type(itGlyphs->mGlyphCode,GlyphEncodingInfo(*itEncoded,itGlyphs->mUnicodeValues)));
}
}
outEncodedCharacters = candidatesList;
}
return encodingResult.first;
}
bool WrittenFontTrueType::AddToANSIRepresentation( const GlyphUnicodeMappingListList& inGlyphsList,
UShortListList& outEncodedCharacters)
{
UShortListList candidatesList;
UShortList candidates;
BoolAndByte encodingResult(true,0);
WinAnsiEncoding winAnsiEncoding;
GlyphUnicodeMappingListList::const_iterator itList = inGlyphsList.begin();
GlyphUnicodeMappingList::const_iterator it;
for(; itList != inGlyphsList.end() && encodingResult.first; ++itList)
{
it = itList->begin();
for(; it != itList->end() && encodingResult.first; ++it)
{
// don't bother with characters of more or less than one unicode
if(it->mUnicodeValues.size() != 1)
{
encodingResult.first = false;
}
else
{
encodingResult = winAnsiEncoding.Encode(it->mUnicodeValues.front());
if(encodingResult.first)
candidates.push_back(encodingResult.second);
}
}
if(encodingResult.first)
{
candidatesList.push_back(candidates);
candidates.clear();
}
}
if(encodingResult.first)
{
// for the first time, add also 0,0 mapping
if(mANSIRepresentation->mGlyphIDToEncodedChar.size() == 0)
mANSIRepresentation->mGlyphIDToEncodedChar.insert(UIntToGlyphEncodingInfoMap::value_type(0,GlyphEncodingInfo(0,0)));
GlyphUnicodeMappingListList::const_iterator itGlyphsList = inGlyphsList.begin();
UShortListList::iterator itEncodedList = candidatesList.begin();
GlyphUnicodeMappingList::const_iterator itGlyphs;
UShortList::iterator itEncoded;
for(; itGlyphsList != inGlyphsList.end(); ++ itGlyphsList,++itEncodedList)
{
itGlyphs = itGlyphsList->begin();
itEncoded = itEncodedList->begin();
for(; itGlyphs != itGlyphsList->end(); ++ itGlyphs,++itEncoded)
{
if(mANSIRepresentation->mGlyphIDToEncodedChar.find(itGlyphs->mGlyphCode) == mANSIRepresentation->mGlyphIDToEncodedChar.end())
mANSIRepresentation->mGlyphIDToEncodedChar.insert(
UIntToGlyphEncodingInfoMap::value_type(itGlyphs->mGlyphCode,GlyphEncodingInfo(*itEncoded,itGlyphs->mUnicodeValues)));
}
}
outEncodedCharacters = candidatesList;
}
return encodingResult.first;
}