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author | Tom Sepez <tsepez@chromium.org> | 2015-10-05 13:11:43 -0700 |
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committer | Tom Sepez <tsepez@chromium.org> | 2015-10-05 13:11:43 -0700 |
commit | 563f7f8fbc445021fe37397eadf10847bddc004a (patch) | |
tree | 17479fab03fd33a0543780901f491f6d7bf80a41 /core/src/fxge/ge/fx_ge_fontmap.cpp | |
parent | 0ecd473f0844b4c0b4a95360216af68de3a3570b (diff) | |
download | pdfium-563f7f8fbc445021fe37397eadf10847bddc004a.tar.xz |
Merge to XFA: Added a fallback Win32 font information class for win32k lockdown.
(cherry picked from commit d7ba833df5c9dc70cb94dba2d0aae1339b345ae4)
Original Review URL: https://codereview.chromium.org/1306883002 .
TBR=forshaw@chromium.org
BUG=523278
Review URL: https://codereview.chromium.org/1383353002 .
Diffstat (limited to 'core/src/fxge/ge/fx_ge_fontmap.cpp')
-rw-r--r-- | core/src/fxge/ge/fx_ge_fontmap.cpp | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/core/src/fxge/ge/fx_ge_fontmap.cpp b/core/src/fxge/ge/fx_ge_fontmap.cpp index e1f25684ad..e9c9d768c8 100644 --- a/core/src/fxge/ge/fx_ge_fontmap.cpp +++ b/core/src/fxge/ge/fx_ge_fontmap.cpp @@ -1506,6 +1506,105 @@ void CFX_FolderFontInfo::ReportFace(CFX_ByteString& path, } m_FontList[facename] = pInfo; } +static const struct { + const FX_CHAR* m_pName; + const FX_CHAR* m_pSubstName; +} Base14Substs[] = { + {"Courier", "Courier New"}, + {"Courier-Bold", "Courier New Bold"}, + {"Courier-BoldOblique", "Courier New Bold Italic"}, + {"Courier-Oblique", "Courier New Italic"}, + {"Helvetica", "Arial"}, + {"Helvetica-Bold", "Arial Bold"}, + {"Helvetica-BoldOblique", "Arial Bold Italic"}, + {"Helvetica-Oblique", "Arial Italic"}, + {"Times-Roman", "Times New Roman"}, + {"Times-Bold", "Times New Roman Bold"}, + {"Times-BoldItalic", "Times New Roman Bold Italic"}, + {"Times-Italic", "Times New Roman Italic"}, +}; +void* CFX_FolderFontInfo::GetSubstFont(const CFX_ByteString& face) { + for (size_t iBaseFont = 0; iBaseFont < FX_ArraySize(Base14Substs); + iBaseFont++) { + if (face == Base14Substs[iBaseFont].m_pName) { + return GetFont(Base14Substs[iBaseFont].m_pSubstName); + } + } + return nullptr; +} +static FX_DWORD _GetCharset(int charset) { + switch (charset) { + case FXFONT_SHIFTJIS_CHARSET: + return CHARSET_FLAG_SHIFTJIS; + case FXFONT_GB2312_CHARSET: + return CHARSET_FLAG_GB; + case FXFONT_CHINESEBIG5_CHARSET: + return CHARSET_FLAG_BIG5; + case FXFONT_HANGEUL_CHARSET: + return CHARSET_FLAG_KOREAN; + case FXFONT_SYMBOL_CHARSET: + return CHARSET_FLAG_SYMBOL; + case FXFONT_ANSI_CHARSET: + return CHARSET_FLAG_ANSI; + default: + break; + } + return 0; +} +static int32_t _GetSimilarValue(int weight, + FX_BOOL bItalic, + int pitch_family, + FX_DWORD style) { + int32_t iSimilarValue = 0; + if ((style & FXFONT_BOLD) == (weight > 400)) { + iSimilarValue += 16; + } + if ((style & FXFONT_ITALIC) == bItalic) { + iSimilarValue += 16; + } + if ((style & FXFONT_SERIF) == (pitch_family & FXFONT_FF_ROMAN)) { + iSimilarValue += 16; + } + if ((style & FXFONT_SCRIPT) == (pitch_family & FXFONT_FF_SCRIPT)) { + iSimilarValue += 8; + } + if ((style & FXFONT_FIXED_PITCH) == (pitch_family & FXFONT_FF_FIXEDPITCH)) { + iSimilarValue += 8; + } + return iSimilarValue; +} +void* CFX_FolderFontInfo::FindFont(int weight, + FX_BOOL bItalic, + int charset, + int pitch_family, + const FX_CHAR* family, + FX_BOOL bMatchName) { + CFX_FontFaceInfo* pFind = nullptr; + if (charset == FXFONT_ANSI_CHARSET && (pitch_family & FXFONT_FF_FIXEDPITCH)) { + return GetFont("Courier New"); + } + FX_DWORD charset_flag = _GetCharset(charset); + int32_t iBestSimilar = 0; + for (const auto& it : m_FontList) { + const CFX_ByteString& bsName = it.first; + CFX_FontFaceInfo* pFont = it.second; + if (!(pFont->m_Charsets & charset_flag) && + charset != FXFONT_DEFAULT_CHARSET) { + continue; + } + int32_t index = bsName.Find(family); + if (bMatchName && index < 0) { + continue; + } + int32_t iSimilarValue = + _GetSimilarValue(weight, bItalic, pitch_family, pFont->m_Styles); + if (iSimilarValue > iBestSimilar) { + iBestSimilar = iSimilarValue; + pFind = pFont; + } + } + return pFind; +} void* CFX_FolderFontInfo::MapFont(int weight, FX_BOOL bItalic, int charset, |