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authorDan Sinclair <dsinclair@chromium.org>2017-04-18 15:07:51 -0400
committerChromium commit bot <commit-bot@chromium.org>2017-04-18 19:45:58 +0000
commit1d0dc5ea42642b253bf87b69b9d8cff01f4e6dbb (patch)
treee1cdc4c27da0e013282ca6ea9b8fc47cfc539d68 /xfa/fgas/font/cfgas_fontmgr.cpp
parent4fcdf058734b5df696420aa653ea787842678224 (diff)
downloadpdfium-1d0dc5ea42642b253bf87b69b9d8cff01f4e6dbb.tar.xz
Codepage code into anonymouse namespace
This CL moves the FX_GetCodePageFromCharset method into cfgas_fontmgr anonymouse namespace. Change-Id: I1232341b8639328035f12aebfb7a65a4fc0ba08f Reviewed-on: https://pdfium-review.googlesource.com/4291 Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: Tom Sepez <tsepez@chromium.org>
Diffstat (limited to 'xfa/fgas/font/cfgas_fontmgr.cpp')
-rw-r--r--xfa/fgas/font/cfgas_fontmgr.cpp63
1 files changed, 60 insertions, 3 deletions
diff --git a/xfa/fgas/font/cfgas_fontmgr.cpp b/xfa/fgas/font/cfgas_fontmgr.cpp
index 766422e381..8cd799e37a 100644
--- a/xfa/fgas/font/cfgas_fontmgr.cpp
+++ b/xfa/fgas/font/cfgas_fontmgr.cpp
@@ -25,6 +25,63 @@
namespace {
+struct FX_CHARSET_MAP {
+ uint16_t charset;
+ uint16_t codepage;
+};
+
+const FX_CHARSET_MAP g_FXCharset2CodePageTable[] = {
+ {FX_CHARSET_ANSI, FX_CODEPAGE_MSWin_WesternEuropean},
+ {FX_CHARSET_Default, FX_CODEPAGE_DefANSI},
+ {FX_CHARSET_Symbol, FX_CODEPAGE_Symbol},
+ {FX_CHARSET_MAC_Roman, FX_CODEPAGE_MAC_Roman},
+ {FX_CHARSET_MAC_ShiftJIS, FX_CODEPAGE_MAC_ShiftJIS},
+ {FX_CHARSET_MAC_Korean, FX_CODEPAGE_MAC_Korean},
+ {FX_CHARSET_MAC_ChineseSimplified, FX_CODEPAGE_MAC_ChineseSimplified},
+ {FX_CHARSET_MAC_ChineseTriditional, FX_CODEPAGE_MAC_ChineseTraditional},
+ {FX_CHARSET_MAC_Hebrew, FX_CODEPAGE_MAC_Hebrew},
+ {FX_CHARSET_MAC_Arabic, FX_CODEPAGE_MAC_Arabic},
+ {FX_CHARSET_MAC_Greek, FX_CODEPAGE_MAC_Greek},
+ {FX_CHARSET_MAC_Turkish, FX_CODEPAGE_MAC_Turkish},
+ {FX_CHARSET_MAC_Thai, FX_CODEPAGE_MAC_Thai},
+ {FX_CHARSET_MAC_EasternEuropean, FX_CODEPAGE_MAC_EasternEuropean},
+ {FX_CHARSET_MAC_Cyrillic, FX_CODEPAGE_MAC_Cyrillic},
+ {FX_CHARSET_ShiftJIS, FX_CODEPAGE_ShiftJIS},
+ {FX_CHARSET_Korean, FX_CODEPAGE_Korean},
+ {FX_CHARSET_Johab, FX_CODEPAGE_Johab},
+ {FX_CHARSET_ChineseSimplified, FX_CODEPAGE_ChineseSimplified},
+ {FX_CHARSET_ChineseTriditional, FX_CODEPAGE_ChineseTraditional},
+ {FX_CHARSET_MSWin_Greek, FX_CODEPAGE_MSWin_Greek},
+ {FX_CHARSET_MSWin_Turkish, FX_CODEPAGE_MSWin_Turkish},
+ {FX_CHARSET_MSWin_Vietnamese, FX_CODEPAGE_MSWin_Vietnamese},
+ {FX_CHARSET_MSWin_Hebrew, FX_CODEPAGE_MSWin_Hebrew},
+ {FX_CHARSET_MSWin_Arabic, FX_CODEPAGE_MSWin_Arabic},
+ {FX_CHARSET_MSWin_Baltic, FX_CODEPAGE_MSWin_Baltic},
+ {FX_CHARSET_MSWin_Cyrillic, FX_CODEPAGE_MSWin_Cyrillic},
+ {FX_CHARSET_Thai, FX_CODEPAGE_MSDOS_Thai},
+ {FX_CHARSET_MSWin_EasterEuropean, FX_CODEPAGE_MSWin_EasternEuropean},
+ {FX_CHARSET_US, FX_CODEPAGE_MSDOS_US},
+ {FX_CHARSET_OEM, FX_CODEPAGE_MSDOS_WesternEuropean},
+};
+
+uint16_t GetCodePageFromCharset(uint8_t charset) {
+ int32_t iEnd = sizeof(g_FXCharset2CodePageTable) / sizeof(FX_CHARSET_MAP) - 1;
+ ASSERT(iEnd >= 0);
+
+ int32_t iStart = 0, iMid;
+ do {
+ iMid = (iStart + iEnd) / 2;
+ const FX_CHARSET_MAP& cp = g_FXCharset2CodePageTable[iMid];
+ if (charset == cp.charset)
+ return cp.codepage;
+ if (charset < cp.charset)
+ iEnd = iMid - 1;
+ else
+ iStart = iMid + 1;
+ } while (iStart <= iEnd);
+ return 0xFFFF;
+}
+
int32_t GetSimilarityScore(FX_FONTDESCRIPTOR const* pFont,
uint32_t dwFontStyles) {
int32_t iValue = 0;
@@ -67,7 +124,7 @@ const FX_FONTDESCRIPTOR* MatchDefaultFont(
if (font.uCharSet == FX_CHARSET_Symbol)
continue;
if (pParams->wCodePage != 0xFFFF) {
- if (FX_GetCodePageFromCharset(font.uCharSet) != pParams->wCodePage)
+ if (GetCodePageFromCharset(font.uCharSet) != pParams->wCodePage)
continue;
} else {
if (pParams->dwUSB < 128) {
@@ -195,7 +252,7 @@ CFX_RetainPtr<CFGAS_GEFont> CFGAS_FontMgr::GetFontByUnicode(
if (!pFD)
return nullptr;
- uint16_t wCodePage = FX_GetCodePageFromCharset(pFD->uCharSet);
+ uint16_t wCodePage = GetCodePageFromCharset(pFD->uCharSet);
const wchar_t* pFontFace = pFD->wsFontFace;
CFX_RetainPtr<CFGAS_GEFont> pFont =
CFGAS_GEFont::LoadFont(pFontFace, dwFontStyles, wCodePage, this);
@@ -227,7 +284,7 @@ CFX_RetainPtr<CFGAS_GEFont> CFGAS_FontMgr::LoadFont(
return nullptr;
if (wCodePage == 0xFFFF)
- wCodePage = FX_GetCodePageFromCharset(pFD->uCharSet);
+ wCodePage = GetCodePageFromCharset(pFD->uCharSet);
pFont =
CFGAS_GEFont::LoadFont(pFD->wsFontFace, dwFontStyles, wCodePage, this);