void CPDF_ModuleMgr::NotifyModuleAvailable(FX_LPCSTR module_name)
{
if (FXSYS_strcmp(module_name, ADDIN_NAME_CJK) == 0) {
m_pPageModule->NotifyCJKAvailable();
} else if (FXSYS_strcmp(module_name, ADDIN_NAME_DECODER) == 0) {
m_pRenderModule->NotifyDecoderAvailable();
}
}
bool CCodec_PngModule::Input(FXPNG_Context* ctx,
const uint8_t* src_buf,
uint32_t src_size,
CFX_DIBAttribute* pAttribute) {
if (setjmp(png_jmpbuf(ctx->png_ptr))) {
if (pAttribute &&
0 == FXSYS_strcmp(m_szLastError, "Read Header Callback Error")) {
_png_load_bmp_attribute(ctx->png_ptr, ctx->info_ptr, pAttribute);
}
return false;
}
png_process_data(ctx->png_ptr, ctx->info_ptr, (uint8_t*)src_buf, src_size);
return true;
}
void CPDF_TrueTypeFont::LoadGlyphMap() {
if (!m_Font.GetFace())
return;
int baseEncoding = m_BaseEncoding;
if (m_pFontFile && m_Font.GetFace()->num_charmaps > 0 &&
(baseEncoding == PDFFONT_ENCODING_MACROMAN ||
baseEncoding == PDFFONT_ENCODING_WINANSI) &&
(m_Flags & PDFFONT_SYMBOLIC)) {
FX_BOOL bSupportWin = FALSE;
FX_BOOL bSupportMac = FALSE;
for (int i = 0; i < FXFT_Get_Face_CharmapCount(m_Font.GetFace()); i++) {
int platform_id = FXFT_Get_Charmap_PlatformID(
FXFT_Get_Face_Charmaps(m_Font.GetFace())[i]);
if (platform_id == 0 || platform_id == 3) {
bSupportWin = TRUE;
} else if (platform_id == 0 || platform_id == 1) {
bSupportMac = TRUE;
}
}
if (baseEncoding == PDFFONT_ENCODING_WINANSI && !bSupportWin) {
baseEncoding =
bSupportMac ? PDFFONT_ENCODING_MACROMAN : PDFFONT_ENCODING_BUILTIN;
} else if (baseEncoding == PDFFONT_ENCODING_MACROMAN && !bSupportMac) {
baseEncoding =
bSupportWin ? PDFFONT_ENCODING_WINANSI : PDFFONT_ENCODING_BUILTIN;
}
}
if (((baseEncoding == PDFFONT_ENCODING_MACROMAN ||
baseEncoding == PDFFONT_ENCODING_WINANSI) &&
m_CharNames.empty()) ||
(m_Flags & PDFFONT_NONSYMBOLIC)) {
if (!FXFT_Has_Glyph_Names(m_Font.GetFace()) &&
(!m_Font.GetFace()->num_charmaps || !m_Font.GetFace()->charmaps)) {
int nStartChar = m_pFontDict->GetIntegerFor("FirstChar");
if (nStartChar < 0 || nStartChar > 255)
return;
int charcode = 0;
for (; charcode < nStartChar; charcode++) {
m_GlyphIndex[charcode] = 0;
}
uint16_t nGlyph = charcode - nStartChar + 3;
for (; charcode < 256; charcode++, nGlyph++) {
m_GlyphIndex[charcode] = nGlyph;
}
return;
}
bool bMSUnicode = FT_UseTTCharmap(m_Font.GetFace(), 3, 1);
bool bMacRoman = false;
bool bMSSymbol = false;
if (!bMSUnicode) {
if (m_Flags & PDFFONT_NONSYMBOLIC) {
bMacRoman = FT_UseTTCharmap(m_Font.GetFace(), 1, 0);
bMSSymbol = !bMacRoman && FT_UseTTCharmap(m_Font.GetFace(), 3, 0);
} else {
bMSSymbol = FT_UseTTCharmap(m_Font.GetFace(), 3, 0);
bMacRoman = !bMSSymbol && FT_UseTTCharmap(m_Font.GetFace(), 1, 0);
}
}
FX_BOOL bToUnicode = m_pFontDict->KeyExist("ToUnicode");
for (int charcode = 0; charcode < 256; charcode++) {
const FX_CHAR* name =
GetAdobeCharName(baseEncoding, m_CharNames, charcode);
if (!name) {
m_GlyphIndex[charcode] =
m_pFontFile ? FXFT_Get_Char_Index(m_Font.GetFace(), charcode) : -1;
continue;
}
m_Encoding.m_Unicodes[charcode] = PDF_UnicodeFromAdobeName(name);
if (bMSSymbol) {
for (size_t j = 0; j < FX_ArraySize(kPrefix); j++) {
uint16_t unicode = kPrefix[j] * 256 + charcode;
m_GlyphIndex[charcode] =
FXFT_Get_Char_Index(m_Font.GetFace(), unicode);
if (m_GlyphIndex[charcode]) {
break;
}
}
} else if (m_Encoding.m_Unicodes[charcode]) {
if (bMSUnicode) {
m_GlyphIndex[charcode] = FXFT_Get_Char_Index(
m_Font.GetFace(), m_Encoding.m_Unicodes[charcode]);
} else if (bMacRoman) {
uint32_t maccode = FT_CharCodeFromUnicode(
FXFT_ENCODING_APPLE_ROMAN, m_Encoding.m_Unicodes[charcode]);
if (!maccode) {
m_GlyphIndex[charcode] =
FXFT_Get_Name_Index(m_Font.GetFace(), (char*)name);
} else {
m_GlyphIndex[charcode] =
FXFT_Get_Char_Index(m_Font.GetFace(), maccode);
}
}
}
if ((m_GlyphIndex[charcode] == 0 || m_GlyphIndex[charcode] == 0xffff) &&
name) {
if (name[0] == '.' && FXSYS_strcmp(name, ".notdef") == 0) {
m_GlyphIndex[charcode] = FXFT_Get_Char_Index(m_Font.GetFace(), 32);
} else {
m_GlyphIndex[charcode] =
FXFT_Get_Name_Index(m_Font.GetFace(), (char*)name);
if (m_GlyphIndex[charcode] == 0) {
if (bToUnicode) {
CFX_WideString wsUnicode = UnicodeFromCharCode(charcode);
if (!wsUnicode.IsEmpty()) {
m_GlyphIndex[charcode] =
FXFT_Get_Char_Index(m_Font.GetFace(), wsUnicode[0]);
m_Encoding.m_Unicodes[charcode] = wsUnicode[0];
}
}
if (m_GlyphIndex[charcode] == 0) {
m_GlyphIndex[charcode] =
FXFT_Get_Char_Index(m_Font.GetFace(), charcode);
}
}
}
}
}
return;
}
if (FT_UseTTCharmap(m_Font.GetFace(), 3, 0)) {
bool bFound = false;
for (int charcode = 0; charcode < 256; charcode++) {
for (size_t j = 0; j < FX_ArraySize(kPrefix); j++) {
uint16_t unicode = kPrefix[j] * 256 + charcode;
m_GlyphIndex[charcode] = FXFT_Get_Char_Index(m_Font.GetFace(), unicode);
if (m_GlyphIndex[charcode]) {
bFound = true;
break;
}
}
}
if (bFound) {
if (baseEncoding != PDFFONT_ENCODING_BUILTIN) {
for (int charcode = 0; charcode < 256; charcode++) {
const FX_CHAR* name =
GetAdobeCharName(baseEncoding, m_CharNames, charcode);
if (name)
m_Encoding.m_Unicodes[charcode] = PDF_UnicodeFromAdobeName(name);
}
} else if (FT_UseTTCharmap(m_Font.GetFace(), 1, 0)) {
for (int charcode = 0; charcode < 256; charcode++) {
m_Encoding.m_Unicodes[charcode] =
FT_UnicodeFromCharCode(FXFT_ENCODING_APPLE_ROMAN, charcode);
}
}
return;
}
}
if (FT_UseTTCharmap(m_Font.GetFace(), 1, 0)) {
bool bFound = false;
for (int charcode = 0; charcode < 256; charcode++) {
m_GlyphIndex[charcode] = FXFT_Get_Char_Index(m_Font.GetFace(), charcode);
m_Encoding.m_Unicodes[charcode] =
FT_UnicodeFromCharCode(FXFT_ENCODING_APPLE_ROMAN, charcode);
if (m_GlyphIndex[charcode]) {
bFound = true;
}
}
if (m_pFontFile || bFound)
return;
}
if (FXFT_Select_Charmap(m_Font.GetFace(), FXFT_ENCODING_UNICODE) == 0) {
bool bFound = false;
const uint16_t* pUnicodes = PDF_UnicodesForPredefinedCharSet(baseEncoding);
for (int charcode = 0; charcode < 256; charcode++) {
if (m_pFontFile) {
m_Encoding.m_Unicodes[charcode] = charcode;
} else {
const FX_CHAR* name = GetAdobeCharName(0, m_CharNames, charcode);
if (name)
m_Encoding.m_Unicodes[charcode] = PDF_UnicodeFromAdobeName(name);
else if (pUnicodes)
m_Encoding.m_Unicodes[charcode] = pUnicodes[charcode];
}
m_GlyphIndex[charcode] = FXFT_Get_Char_Index(
m_Font.GetFace(), m_Encoding.m_Unicodes[charcode]);
if (m_GlyphIndex[charcode])
bFound = true;
}
if (bFound)
return;
}
for (int charcode = 0; charcode < 256; charcode++)
m_GlyphIndex[charcode] = charcode;
}
FX_BOOL CPDF_PageOrganizer::UpdateReference(CPDF_Object* pObj,
CPDF_Document* pDoc,
ObjectNumberMap* pObjNumberMap) {
switch (pObj->GetType()) {
case PDFOBJ_REFERENCE: {
CPDF_Reference* pReference = pObj->AsReference();
FX_DWORD newobjnum = GetNewObjId(pDoc, pObjNumberMap, pReference);
if (newobjnum == 0)
return FALSE;
pReference->SetRef(pDoc, newobjnum);
break;
}
case PDFOBJ_DICTIONARY: {
CPDF_Dictionary* pDict = pObj->AsDictionary();
FX_POSITION pos = pDict->GetStartPos();
while (pos) {
CFX_ByteString key("");
CPDF_Object* pNextObj = pDict->GetNextElement(pos, key);
if (!FXSYS_strcmp(key, "Parent") || !FXSYS_strcmp(key, "Prev") ||
!FXSYS_strcmp(key, "First")) {
continue;
}
if (pNextObj) {
if (!UpdateReference(pNextObj, pDoc, pObjNumberMap))
pDict->RemoveAt(key);
} else {
return FALSE;
}
}
break;
}
case PDFOBJ_ARRAY: {
CPDF_Array* pArray = pObj->AsArray();
FX_DWORD count = pArray->GetCount();
for (FX_DWORD i = 0; i < count; ++i) {
CPDF_Object* pNextObj = pArray->GetElement(i);
if (!pNextObj)
return FALSE;
if (!UpdateReference(pNextObj, pDoc, pObjNumberMap))
return FALSE;
}
break;
}
case PDFOBJ_STREAM: {
CPDF_Stream* pStream = pObj->AsStream();
CPDF_Dictionary* pDict = pStream->GetDict();
if (pDict) {
if (!UpdateReference(pDict, pDoc, pObjNumberMap))
return FALSE;
} else {
return FALSE;
}
break;
}
default:
break;
}
return TRUE;
}