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authorTom Sepez <tsepez@chromium.org>2018-02-16 18:27:38 +0000
committerChromium commit bot <commit-bot@chromium.org>2018-02-16 18:27:38 +0000
commit53279b1dcabae4913f7f0a58e741942e82ab7d59 (patch)
tree4867842f3b5cf7f10b183ae2a7d2325c8c0cdfe8 /xfa/fgas/font
parent228d415eb4966e9d146fcfee48ca357d4a25bba8 (diff)
downloadpdfium-53279b1dcabae4913f7f0a58e741942e82ab7d59.tar.xz
Avoid 100 blank FX_FONTDESCRIPTOR entries.
Change-Id: Ibaf53ee27eefc692ac4f002c3ab28b7738676b31 Reviewed-on: https://pdfium-review.googlesource.com/26991 Commit-Queue: Tom Sepez <tsepez@chromium.org> Reviewed-by: Lei Zhang <thestig@chromium.org>
Diffstat (limited to 'xfa/fgas/font')
-rw-r--r--xfa/fgas/font/cfgas_fontmgr.cpp38
1 files changed, 17 insertions, 21 deletions
diff --git a/xfa/fgas/font/cfgas_fontmgr.cpp b/xfa/fgas/font/cfgas_fontmgr.cpp
index 4df9863692..8102a0d6dc 100644
--- a/xfa/fgas/font/cfgas_fontmgr.cpp
+++ b/xfa/fgas/font/cfgas_fontmgr.cpp
@@ -169,23 +169,20 @@ int32_t CALLBACK GdiFontEnumProc(ENUMLOGFONTEX* lpelfe,
const LOGFONTW& lf = ((LPENUMLOGFONTEXW)lpelfe)->elfLogFont;
if (lf.lfFaceName[0] == L'@')
return 1;
- FX_FONTDESCRIPTOR* pFont = FX_Alloc(FX_FONTDESCRIPTOR, 1);
- memset(pFont, 0, sizeof(FX_FONTDESCRIPTOR));
- pFont->uCharSet = lf.lfCharSet;
- pFont->dwFontStyles = GetGdiFontStyles(lf);
- FXSYS_wcsncpy(pFont->wsFontFace, (const wchar_t*)lf.lfFaceName, 31);
- pFont->wsFontFace[31] = 0;
- memcpy(&pFont->FontSignature, &lpntme->ntmFontSig,
- sizeof(lpntme->ntmFontSig));
- reinterpret_cast<std::deque<FX_FONTDESCRIPTOR>*>(lParam)->push_back(*pFont);
- FX_Free(pFont);
+ FX_FONTDESCRIPTOR font;
+ memset(&font, 0, sizeof(FX_FONTDESCRIPTOR));
+ font.uCharSet = lf.lfCharSet;
+ font.dwFontStyles = GetGdiFontStyles(lf);
+ FXSYS_wcsncpy(font.wsFontFace, (const wchar_t*)lf.lfFaceName, 31);
+ font.wsFontFace[31] = 0;
+ memcpy(&font.FontSignature, &lpntme->ntmFontSig, sizeof(lpntme->ntmFontSig));
+ reinterpret_cast<std::deque<FX_FONTDESCRIPTOR>*>(lParam)->push_back(font);
return 1;
}
-void EnumGdiFonts(std::deque<FX_FONTDESCRIPTOR>* fonts,
- const wchar_t* pwsFaceName,
- wchar_t wUnicode) {
- HDC hDC = ::GetDC(nullptr);
+std::deque<FX_FONTDESCRIPTOR> EnumGdiFonts(const wchar_t* pwsFaceName,
+ wchar_t wUnicode) {
+ std::deque<FX_FONTDESCRIPTOR> fonts;
LOGFONTW lfFind;
memset(&lfFind, 0, sizeof(lfFind));
lfFind.lfCharSet = DEFAULT_CHARSET;
@@ -193,16 +190,16 @@ void EnumGdiFonts(std::deque<FX_FONTDESCRIPTOR>* fonts,
FXSYS_wcsncpy(lfFind.lfFaceName, pwsFaceName, 31);
lfFind.lfFaceName[31] = 0;
}
+ HDC hDC = ::GetDC(nullptr);
EnumFontFamiliesExW(hDC, (LPLOGFONTW)&lfFind, (FONTENUMPROCW)GdiFontEnumProc,
- (LPARAM)fonts, 0);
+ (LPARAM)&fonts, 0);
::ReleaseDC(nullptr, hDC);
+ return fonts;
}
} // namespace
-CFGAS_FontMgr::CFGAS_FontMgr() : m_FontFaces(100) {
- EnumGdiFonts(&m_FontFaces, nullptr, 0xFEFF);
-}
+CFGAS_FontMgr::CFGAS_FontMgr() : m_FontFaces(EnumGdiFonts(nullptr, 0xFEFF)) {}
CFGAS_FontMgr::~CFGAS_FontMgr() = default;
@@ -224,6 +221,7 @@ const FX_FONTDESCRIPTOR* CFGAS_FontMgr::FindFont(const wchar_t* pszFontFamily,
params.pwsFamily = pszFontFamily;
params.dwFontStyles = dwFontStyles;
params.matchParagraphStyle = matchParagraphStyle;
+
const FX_FONTDESCRIPTOR* pDesc = MatchDefaultFont(&params, m_FontFaces);
if (pDesc)
return pDesc;
@@ -231,10 +229,8 @@ const FX_FONTDESCRIPTOR* CFGAS_FontMgr::FindFont(const wchar_t* pszFontFamily,
if (!pszFontFamily)
return nullptr;
- std::deque<FX_FONTDESCRIPTOR> namedFonts;
- EnumGdiFonts(&namedFonts, pszFontFamily, wUnicode);
params.pwsFamily = nullptr;
- pDesc = MatchDefaultFont(&params, namedFonts);
+ pDesc = MatchDefaultFont(&params, EnumGdiFonts(pszFontFamily, wUnicode));
if (!pDesc)
return nullptr;