CPDF_Font* CPDF_Document::AddFont(CFX_Font* pFont, int charset, FX_BOOL bVert) {
if (!pFont) {
return NULL;
}
FX_BOOL bCJK = charset == FXFONT_CHINESEBIG5_CHARSET ||
charset == FXFONT_GB2312_CHARSET ||
charset == FXFONT_HANGEUL_CHARSET ||
charset == FXFONT_SHIFTJIS_CHARSET;
CFX_ByteString basefont = pFont->GetFamilyName();
basefont.Replace(" ", "");
int flags = 0;
if (pFont->IsBold()) {
flags |= PDFFONT_FORCEBOLD;
}
if (pFont->IsItalic()) {
flags |= PDFFONT_ITALIC;
}
if (pFont->IsFixedWidth()) {
flags |= PDFFONT_FIXEDPITCH;
}
CPDF_Dictionary* pBaseDict = new CPDF_Dictionary;
pBaseDict->SetAtName("Type", "Font");
std::unique_ptr<CFX_UnicodeEncoding> pEncoding(
new CFX_UnicodeEncoding(pFont));
CPDF_Dictionary* pFontDict = pBaseDict;
if (!bCJK) {
CPDF_Array* pWidths = new CPDF_Array;
int charcode;
for (charcode = 32; charcode < 128; charcode++) {
int glyph_index = pEncoding->GlyphFromCharCode(charcode);
int char_width = pFont->GetGlyphWidth(glyph_index);
pWidths->AddInteger(char_width);
}
if (charset == FXFONT_ANSI_CHARSET || charset == FXFONT_DEFAULT_CHARSET ||
charset == FXFONT_SYMBOL_CHARSET) {
if (charset == FXFONT_SYMBOL_CHARSET) {
flags |= PDFFONT_SYMBOLIC;
} else {
flags |= PDFFONT_NONSYMBOLIC;
}
pBaseDict->SetAtName("Encoding", "WinAnsiEncoding");
for (charcode = 128; charcode <= 255; charcode++) {
int glyph_index = pEncoding->GlyphFromCharCode(charcode);
int char_width = pFont->GetGlyphWidth(glyph_index);
pWidths->AddInteger(char_width);
}
} else {
flags |= PDFFONT_NONSYMBOLIC;
size_t i;
for (i = 0; i < sizeof g_FX_CharsetUnicodes / sizeof(FX_CharsetUnicodes);
i++)
if (g_FX_CharsetUnicodes[i].m_Charset == charset) {
break;
}
if (i < sizeof g_FX_CharsetUnicodes / sizeof(FX_CharsetUnicodes)) {
CPDF_Dictionary* pEncodingDict = new CPDF_Dictionary;
pEncodingDict->SetAtName("BaseEncoding", "WinAnsiEncoding");
CPDF_Array* pArray = new CPDF_Array;
pArray->AddInteger(128);
const FX_WCHAR* pUnicodes = g_FX_CharsetUnicodes[i].m_pUnicodes;
for (int j = 0; j < 128; j++) {
CFX_ByteString name = PDF_AdobeNameFromUnicode(pUnicodes[j]);
if (name.IsEmpty()) {
pArray->AddName(".notdef");
} else {
pArray->AddName(name);
}
int glyph_index = pEncoding->GlyphFromCharCode(pUnicodes[j]);
int char_width = pFont->GetGlyphWidth(glyph_index);
pWidths->AddInteger(char_width);
}
pEncodingDict->SetAt("Differences", pArray);
AddIndirectObject(pEncodingDict);
pBaseDict->SetAtReference("Encoding", this, pEncodingDict);
}
}
if (pFont->IsBold() && pFont->IsItalic()) {
basefont += ",BoldItalic";
} else if (pFont->IsBold()) {
basefont += ",Bold";
} else if (pFont->IsItalic()) {
basefont += ",Italic";
}
pBaseDict->SetAtName("Subtype", "TrueType");
pBaseDict->SetAtName("BaseFont", basefont);
pBaseDict->SetAtNumber("FirstChar", 32);
pBaseDict->SetAtNumber("LastChar", 255);
pBaseDict->SetAt("Widths", pWidths);
} else {
flags |= PDFFONT_NONSYMBOLIC;
pFontDict = new CPDF_Dictionary;
CFX_ByteString cmap;
CFX_ByteString ordering;
int supplement;
CPDF_Array* pWidthArray = new CPDF_Array;
switch (charset) {
case FXFONT_CHINESEBIG5_CHARSET:
cmap = bVert ? "ETenms-B5-V" : "ETenms-B5-H";
ordering = "CNS1";
supplement = 4;
pWidthArray->AddInteger(1);
_InsertWidthArray1(pFont, pEncoding.get(), 0x20, 0x7e, pWidthArray);
break;
case FXFONT_GB2312_CHARSET:
cmap = bVert ? "GBK-EUC-V" : "GBK-EUC-H";
ordering = "GB1", supplement = 2;
pWidthArray->AddInteger(7716);
_InsertWidthArray1(pFont, pEncoding.get(), 0x20, 0x20, pWidthArray);
pWidthArray->AddInteger(814);
_InsertWidthArray1(pFont, pEncoding.get(), 0x21, 0x7e, pWidthArray);
break;
case FXFONT_HANGEUL_CHARSET:
cmap = bVert ? "KSCms-UHC-V" : "KSCms-UHC-H";
ordering = "Korea1";
supplement = 2;
pWidthArray->AddInteger(1);
_InsertWidthArray1(pFont, pEncoding.get(), 0x20, 0x7e, pWidthArray);
break;
case FXFONT_SHIFTJIS_CHARSET:
cmap = bVert ? "90ms-RKSJ-V" : "90ms-RKSJ-H";
ordering = "Japan1";
supplement = 5;
pWidthArray->AddInteger(231);
_InsertWidthArray1(pFont, pEncoding.get(), 0x20, 0x7d, pWidthArray);
pWidthArray->AddInteger(326);
_InsertWidthArray1(pFont, pEncoding.get(), 0xa0, 0xa0, pWidthArray);
pWidthArray->AddInteger(327);
_InsertWidthArray1(pFont, pEncoding.get(), 0xa1, 0xdf, pWidthArray);
pWidthArray->AddInteger(631);
_InsertWidthArray1(pFont, pEncoding.get(), 0x7e, 0x7e, pWidthArray);
break;
}
pBaseDict->SetAtName("Subtype", "Type0");
pBaseDict->SetAtName("BaseFont", basefont);
pBaseDict->SetAtName("Encoding", cmap);
pFontDict->SetAt("W", pWidthArray);
pFontDict->SetAtName("Type", "Font");
pFontDict->SetAtName("Subtype", "CIDFontType2");
pFontDict->SetAtName("BaseFont", basefont);
CPDF_Dictionary* pCIDSysInfo = new CPDF_Dictionary;
pCIDSysInfo->SetAtString("Registry", "Adobe");
pCIDSysInfo->SetAtString("Ordering", ordering);
pCIDSysInfo->SetAtInteger("Supplement", supplement);
pFontDict->SetAt("CIDSystemInfo", pCIDSysInfo);
CPDF_Array* pArray = new CPDF_Array;
pBaseDict->SetAt("DescendantFonts", pArray);
AddIndirectObject(pFontDict);
pArray->AddReference(this, pFontDict);
}
AddIndirectObject(pBaseDict);
CPDF_Dictionary* pFontDesc = new CPDF_Dictionary;
pFontDesc->SetAtName("Type", "FontDescriptor");
pFontDesc->SetAtName("FontName", basefont);
pFontDesc->SetAtInteger("Flags", flags);
pFontDesc->SetAtInteger(
"ItalicAngle",
pFont->GetSubstFont() ? pFont->GetSubstFont()->m_ItalicAngle : 0);
pFontDesc->SetAtInteger("Ascent", pFont->GetAscent());
pFontDesc->SetAtInteger("Descent", pFont->GetDescent());
FX_RECT bbox;
pFont->GetBBox(bbox);
CPDF_Array* pBBox = new CPDF_Array;
pBBox->AddInteger(bbox.left);
pBBox->AddInteger(bbox.bottom);
pBBox->AddInteger(bbox.right);
pBBox->AddInteger(bbox.top);
pFontDesc->SetAt("FontBBox", pBBox);
int32_t nStemV = 0;
if (pFont->GetSubstFont()) {
nStemV = pFont->GetSubstFont()->m_Weight / 5;
} else {
static const FX_CHAR stem_chars[] = {'i', 'I', '!', '1'};
const size_t count = sizeof(stem_chars) / sizeof(stem_chars[0]);
FX_DWORD glyph = pEncoding->GlyphFromCharCode(stem_chars[0]);
nStemV = pFont->GetGlyphWidth(glyph);
for (size_t i = 1; i < count; i++) {
glyph = pEncoding->GlyphFromCharCode(stem_chars[i]);
int width = pFont->GetGlyphWidth(glyph);
if (width > 0 && width < nStemV) {
nStemV = width;
}
}
}
pFontDesc->SetAtInteger("StemV", nStemV);
AddIndirectObject(pFontDesc);
pFontDict->SetAtReference("FontDescriptor", this, pFontDesc);
return LoadFont(pBaseDict);
}
CPDF_Font* CPDF_Document::AddFont(CFX_Font* pFont, int charset, FX_BOOL bVert) {
if (!pFont)
return nullptr;
bool bCJK = charset == FXFONT_CHINESEBIG5_CHARSET ||
charset == FXFONT_GB2312_CHARSET ||
charset == FXFONT_HANGUL_CHARSET ||
charset == FXFONT_SHIFTJIS_CHARSET;
CFX_ByteString basefont = pFont->GetFamilyName();
basefont.Replace(" ", "");
int flags =
CalculateFlags(pFont->IsBold(), pFont->IsItalic(), pFont->IsFixedWidth(),
false, false, charset == FXFONT_SYMBOL_CHARSET);
CPDF_Dictionary* pBaseDict = new CPDF_Dictionary(m_pByteStringPool);
pBaseDict->SetNameFor("Type", "Font");
std::unique_ptr<CFX_UnicodeEncoding> pEncoding(
new CFX_UnicodeEncoding(pFont));
CPDF_Dictionary* pFontDict = pBaseDict;
if (!bCJK) {
CPDF_Array* pWidths = new CPDF_Array;
for (int charcode = 32; charcode < 128; charcode++) {
int glyph_index = pEncoding->GlyphFromCharCode(charcode);
int char_width = pFont->GetGlyphWidth(glyph_index);
pWidths->AddInteger(char_width);
}
if (charset == FXFONT_ANSI_CHARSET || charset == FXFONT_DEFAULT_CHARSET ||
charset == FXFONT_SYMBOL_CHARSET) {
pBaseDict->SetNameFor("Encoding", "WinAnsiEncoding");
for (int charcode = 128; charcode <= 255; charcode++) {
int glyph_index = pEncoding->GlyphFromCharCode(charcode);
int char_width = pFont->GetGlyphWidth(glyph_index);
pWidths->AddInteger(char_width);
}
} else {
size_t i = CalculateEncodingDict(charset, pBaseDict);
if (i < FX_ArraySize(g_FX_CharsetUnicodes)) {
const uint16_t* pUnicodes = g_FX_CharsetUnicodes[i].m_pUnicodes;
for (int j = 0; j < 128; j++) {
int glyph_index = pEncoding->GlyphFromCharCode(pUnicodes[j]);
int char_width = pFont->GetGlyphWidth(glyph_index);
pWidths->AddInteger(char_width);
}
}
}
ProcessNonbCJK(pBaseDict, pFont->IsBold(), pFont->IsItalic(), basefont,
pWidths);
} else {
pFontDict = ProcessbCJK(pBaseDict, charset, bVert, basefont,
[pFont, &pEncoding](FX_WCHAR start, FX_WCHAR end,
CPDF_Array* widthArr) {
InsertWidthArray1(pFont, pEncoding.get(), start,
end, widthArr);
});
}
AddIndirectObject(pBaseDict);
int italicangle =
pFont->GetSubstFont() ? pFont->GetSubstFont()->m_ItalicAngle : 0;
FX_RECT bbox;
pFont->GetBBox(bbox);
CPDF_Array* pBBox = new CPDF_Array;
pBBox->AddInteger(bbox.left);
pBBox->AddInteger(bbox.bottom);
pBBox->AddInteger(bbox.right);
pBBox->AddInteger(bbox.top);
int32_t nStemV = 0;
if (pFont->GetSubstFont()) {
nStemV = pFont->GetSubstFont()->m_Weight / 5;
} else {
static const FX_CHAR stem_chars[] = {'i', 'I', '!', '1'};
const size_t count = FX_ArraySize(stem_chars);
uint32_t glyph = pEncoding->GlyphFromCharCode(stem_chars[0]);
nStemV = pFont->GetGlyphWidth(glyph);
for (size_t i = 1; i < count; i++) {
glyph = pEncoding->GlyphFromCharCode(stem_chars[i]);
int width = pFont->GetGlyphWidth(glyph);
if (width > 0 && width < nStemV)
nStemV = width;
}
}
CPDF_Dictionary* pFontDesc =
CalculateFontDesc(this, basefont, flags, italicangle, pFont->GetAscent(),
pFont->GetDescent(), pBBox, nStemV);
pFontDict->SetReferenceFor("FontDescriptor", this,
AddIndirectObject(pFontDesc));
return LoadFont(pBaseDict);
}
