void* CFX_LinuxFontInfo::MapFont(int weight,
FX_BOOL bItalic,
int charset,
int pitch_family,
const FX_CHAR* cstr_face,
int& iExact) {
void* font = GetSubstFont(cstr_face);
if (font) {
iExact = 1;
return font;
}
FX_BOOL bCJK = TRUE;
switch (charset) {
case FXFONT_SHIFTJIS_CHARSET: {
int32_t index = GetJapanesePreference(cstr_face, weight, pitch_family);
if (index < 0) {
break;
}
for (int32_t i = 0; i < LINUX_GPNAMESIZE; i++) {
auto it = m_FontList.find(LinuxGpFontList[index].NameArr[i]);
if (it != m_FontList.end()) {
return it->second;
}
}
} break;
case FXFONT_GB2312_CHARSET: {
for (size_t i = 0; i < FX_ArraySize(g_LinuxGbFontList); ++i) {
auto it = m_FontList.find(g_LinuxGbFontList[i]);
if (it != m_FontList.end()) {
return it->second;
}
}
} break;
case FXFONT_CHINESEBIG5_CHARSET: {
for (size_t i = 0; i < FX_ArraySize(g_LinuxB5FontList); ++i) {
auto it = m_FontList.find(g_LinuxB5FontList[i]);
if (it != m_FontList.end()) {
return it->second;
}
}
} break;
case FXFONT_HANGEUL_CHARSET: {
for (size_t i = 0; i < FX_ArraySize(g_LinuxHGFontList); ++i) {
auto it = m_FontList.find(g_LinuxHGFontList[i]);
if (it != m_FontList.end()) {
return it->second;
}
}
} break;
default:
bCJK = FALSE;
break;
}
return FindFont(weight, bItalic, charset, pitch_family, cstr_face, !bCJK);
}
bool CPDF_CIDFont::Load() {
if (m_pFontDict->GetStringFor("Subtype") == "TrueType") {
LoadGB2312();
return true;
}
CPDF_Array* pFonts = m_pFontDict->GetArrayFor("DescendantFonts");
if (!pFonts || pFonts->GetCount() != 1)
return false;
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;
}
CPDF_Dictionary* pFontDesc = pCIDFontDict->GetDictFor("FontDescriptor");
if (pFontDesc)
LoadFontDescriptor(pFontDesc);
CPDF_Object* pEncoding = m_pFontDict->GetDirectObjectFor("Encoding");
if (!pEncoding)
return false;
CFX_ByteString subtype = pCIDFontDict->GetStringFor("Subtype");
m_bType1 = (subtype == "CIDFontType0");
CPDF_CMapManager& manager = GetFontGlobals()->m_CMapManager;
if (pEncoding->IsName()) {
CFX_ByteString cmap = pEncoding->GetString();
bool bPromptCJK = m_pFontFile && m_bType1;
m_pCMap = manager.GetPredefinedCMap(cmap, bPromptCJK);
if (!m_pCMap)
return false;
} else if (CPDF_Stream* pStream = pEncoding->AsStream()) {
m_pCMap = pdfium::MakeUnique<CPDF_CMap>();
CPDF_StreamAcc acc;
acc.LoadAllData(pStream, false);
m_pCMap->LoadEmbedded(acc.GetData(), acc.GetSize());
} else {
return false;
}
m_Charset = m_pCMap->m_Charset;
if (m_Charset == CIDSET_UNKNOWN) {
CPDF_Dictionary* pCIDInfo = pCIDFontDict->GetDictFor("CIDSystemInfo");
if (pCIDInfo) {
m_Charset =
CharsetFromOrdering(pCIDInfo->GetStringFor("Ordering").AsStringC());
}
}
if (m_Charset != CIDSET_UNKNOWN) {
bool bPromptCJK = !m_pFontFile && (m_pCMap->m_Coding == CIDCODING_CID ||
pCIDFontDict->KeyExist("W"));
m_pCID2UnicodeMap = manager.GetCID2UnicodeMap(m_Charset, bPromptCJK);
}
if (m_Font.GetFace()) {
if (m_bType1)
FXFT_Select_Charmap(m_Font.GetFace(), FXFT_ENCODING_UNICODE);
else
FT_UseCIDCharmap(m_Font.GetFace(), m_pCMap->m_Coding);
}
m_DefaultWidth = pCIDFontDict->GetIntegerFor("DW", 1000);
CPDF_Array* pWidthArray = pCIDFontDict->GetArrayFor("W");
if (pWidthArray)
LoadMetricsArray(pWidthArray, &m_WidthList, 1);
if (!IsEmbedded())
LoadSubstFont();
if (m_pFontFile || (GetSubstFont()->m_SubstFlags & FXFONT_SUBST_EXACT)) {
CPDF_Object* pmap = pCIDFontDict->GetDirectObjectFor("CIDToGIDMap");
if (pmap) {
if (CPDF_Stream* pStream = pmap->AsStream()) {
m_pStreamAcc = pdfium::MakeUnique<CPDF_StreamAcc>();
m_pStreamAcc->LoadAllData(pStream, false);
} else if (pmap->GetString() == "Identity") {
#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_
if (m_pFontFile)
m_bCIDIsGID = true;
#else
m_bCIDIsGID = true;
#endif
}
}
}
CheckFontMetrics();
if (IsVertWriting()) {
pWidthArray = pCIDFontDict->GetArrayFor("W2");
if (pWidthArray)
LoadMetricsArray(pWidthArray, &m_VertMetrics, 3);
CPDF_Array* pDefaultArray = pCIDFontDict->GetArrayFor("DW2");
if (pDefaultArray) {
m_DefaultVY = pDefaultArray->GetIntegerAt(0);
m_DefaultW1 = pDefaultArray->GetIntegerAt(1);
} else {
m_DefaultVY = 880;
m_DefaultW1 = -1000;
}
}
return true;
}
