bool CPDF_CIDFont::Load() {
if (m_pFontDict->GetStringFor("Subtype") == "TrueType") {
LoadGB2312();
return true;
}
const CPDF_Array* pFonts = m_pFontDict->GetArrayFor("DescendantFonts");
if (!pFonts || pFonts->size() != 1)
return false;
const CPDF_Dictionary* pCIDFontDict = pFonts->GetDictAt(0);
if (!pCIDFontDict)
return false;
m_BaseFont = pCIDFontDict->GetStringFor("BaseFont");
if ((m_BaseFont.Compare("CourierStd") == 0 ||
m_BaseFont.Compare("CourierStd-Bold") == 0 ||
m_BaseFont.Compare("CourierStd-BoldOblique") == 0 ||
m_BaseFont.Compare("CourierStd-Oblique") == 0) &&
!IsEmbedded()) {
m_bAdobeCourierStd = true;
}
const CPDF_Dictionary* pFontDesc = pCIDFontDict->GetDictFor("FontDescriptor");
if (pFontDesc)
LoadFontDescriptor(pFontDesc);
CPDF_Object* pEncoding = m_pFontDict->GetDirectObjectFor("Encoding");
if (!pEncoding)
return false;
ByteString subtype = pCIDFontDict->GetStringFor("Subtype");
m_bType1 = (subtype == "CIDFontType0");
CPDF_CMapManager* manager = GetFontGlobals()->GetCMapManager();
if (pEncoding->IsName()) {
ByteString cmap = pEncoding->GetString();
m_pCMap = manager->GetPredefinedCMap(cmap);
if (!m_pCMap)
return false;
} else if (CPDF_Stream* pStream = pEncoding->AsStream()) {
auto pAcc = pdfium::MakeRetain<CPDF_StreamAcc>(pStream);
pAcc->LoadAllDataFiltered();
m_pCMap = pdfium::MakeRetain<CPDF_CMap>();
m_pCMap->LoadEmbedded(pAcc->GetSpan());
} else {
return false;
}
m_Charset = m_pCMap->GetCharset();
if (m_Charset == CIDSET_UNKNOWN) {
const CPDF_Dictionary* pCIDInfo = pCIDFontDict->GetDictFor("CIDSystemInfo");
if (pCIDInfo) {
m_Charset = CPDF_CMapParser::CharsetFromOrdering(
pCIDInfo->GetStringFor("Ordering").AsStringView());
}
}
if (m_Charset != CIDSET_UNKNOWN) {
m_pCID2UnicodeMap = manager->GetCID2UnicodeMap(m_Charset);
}
if (m_Font.GetFace()) {
if (m_bType1)
FXFT_Select_Charmap(m_Font.GetFace(), FXFT_ENCODING_UNICODE);
else
FT_UseCIDCharmap(m_Font.GetFace(), m_pCMap->GetCoding());
}
m_DefaultWidth = pCIDFontDict->GetIntegerFor("DW", 1000);
const CPDF_Array* pWidthArray = pCIDFontDict->GetArrayFor("W");
if (pWidthArray)
LoadMetricsArray(pWidthArray, &m_WidthList, 1);
if (!IsEmbedded())
LoadSubstFont();
const CPDF_Object* pmap = pCIDFontDict->GetDirectObjectFor("CIDToGIDMap");
if (pmap) {
if (const CPDF_Stream* pStream = pmap->AsStream()) {
m_pStreamAcc = pdfium::MakeRetain<CPDF_StreamAcc>(pStream);
m_pStreamAcc->LoadAllDataFiltered();
} else if (m_pFontFile && pmap->GetString() == "Identity") {
m_bCIDIsGID = true;
}
}
CheckFontMetrics();
if (IsVertWriting()) {
pWidthArray = pCIDFontDict->GetArrayFor("W2");
if (pWidthArray)
LoadMetricsArray(pWidthArray, &m_VertMetrics, 3);
const CPDF_Array* pDefaultArray = pCIDFontDict->GetArrayFor("DW2");
if (pDefaultArray) {
m_DefaultVY = pDefaultArray->GetIntegerAt(0);
m_DefaultW1 = pDefaultArray->GetIntegerAt(1);
}
}
return true;
}
WideString CPDF_Stream::GetUnicodeText() const {
auto pAcc = pdfium::MakeRetain<CPDF_StreamAcc>(this);
pAcc->LoadAllDataFiltered();
return PDF_DecodeText(pAcc->GetData(), pAcc->GetSize());
}
