bool WrittenFontTrueType::AddToANSIRepresentation( const GlyphUnicodeMappingList& inGlyphsList,
UShortList& outEncodedCharacters)
{
// i'm totally relying on the text here, which is fine till i'll do ligatures, in which case
// i'll need to make something different out of the text.
// as you can see this has little to do with glyphs (mainly cause i can't use FreeType to map the glyphs
// back to the rleevant unicode values...but no need anyways...that's why i carry the text).
UShortList candidates;
BoolAndByte encodingResult(true,0);
WinAnsiEncoding winAnsiEncoding;
GlyphUnicodeMappingList::const_iterator it = inGlyphsList.begin();
for(; it != inGlyphsList.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)
{
// for the first time, add also 0,0 mapping
if(mANSIRepresentation->mGlyphIDToEncodedChar.size() == 0)
mANSIRepresentation->mGlyphIDToEncodedChar.insert(UIntToGlyphEncodingInfoMap::value_type(0,GlyphEncodingInfo(0,0)));
GlyphUnicodeMappingList::const_iterator itGlyphs = inGlyphsList.begin();
UShortList::iterator itEncoded = candidates.begin();
for(; itGlyphs != inGlyphsList.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 = candidates;
}
return encodingResult.first;
}
bool WrittenFontCFF::HasEnoughSpaceForGlyphs(const GlyphUnicodeMappingList& inGlyphsList)
{
GlyphUnicodeMappingList::const_iterator it = inGlyphsList.begin();
int glyphsToAddCount = 0;
for(; it != inGlyphsList.end(); ++it)
if(mANSIRepresentation->mGlyphIDToEncodedChar.find(it->mGlyphCode) == mANSIRepresentation->mGlyphIDToEncodedChar.end())
++glyphsToAddCount;
return glyphsToAddCount <= mAvailablePositionsCount;
}
bool WrittenFontTrueType::AddToANSIRepresentation( const GlyphUnicodeMappingList& inGlyphsList,
UShortList& outEncodedCharacters)
{
// i'm totally relying on the text here, which is fine till i'll do ligatures, in which case
// i'll need to make something different out of the text.
// as you can see this has little to do with glyphs (mainly cause i can't use FreeType to map the glyphs
// back to the rleevant unicode values...but no need anyways...that's why i carry the text).
UShortList candidates;
BoolAndByte encodingResult(true,0);
WinAnsiEncoding winAnsiEncoding;
GlyphUnicodeMappingList::const_iterator it = inGlyphsList.begin();
for(; it != inGlyphsList.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)
{
// for the first time, add also 0,0 mapping
if(mANSIRepresentation->mGlyphIDToEncodedChar.size() == 0)
mANSIRepresentation->mGlyphIDToEncodedChar.insert(UIntToGlyphEncodingInfoMap::value_type(0,GlyphEncodingInfo(0,0)));
GlyphUnicodeMappingList::const_iterator itGlyphs = inGlyphsList.begin();
UShortList::iterator itEncoded = candidates.begin();
for(; itGlyphs != inGlyphsList.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 = candidates;
}
return encodingResult.first;
}
bool WrittenFontCFF::AddToANSIRepresentation(
const GlyphUnicodeMappingList& inGlyphsList,
UShortList& outEncodedCharacters)
{
// categorically do not allow an ANSI representation if the font is CID
if(!mIsCID && HasEnoughSpaceForGlyphs(inGlyphsList))
{
GlyphUnicodeMappingList::const_iterator it = inGlyphsList.begin();
for(; it != inGlyphsList.end(); ++it)
outEncodedCharacters.push_back(EncodeGlyph(it->mGlyphCode,it->mUnicodeValues));
return true;
}
else
return false;
}
EStatusCode PDFUsedFont::TranslateStringToGlyphs(const std::string& inText,GlyphUnicodeMappingList& outGlyphsUnicodeMapping)
{
UIntList glyphs;
UnicodeString unicode;
EStatusCode status = unicode.FromUTF8(inText);
if(status != PDFHummus::eSuccess)
return status;
status = mFaceWrapper.GetGlyphsForUnicodeText(unicode.GetUnicodeList(),glyphs);
ULongList::const_iterator itUnicode = unicode.GetUnicodeList().begin();
UIntList::iterator itGlyphs = glyphs.begin();
for(; itUnicode != unicode.GetUnicodeList().end(); ++itUnicode,++itGlyphs)
outGlyphsUnicodeMapping.push_back(GlyphUnicodeMapping(*itGlyphs,*itUnicode));
return status;
}
