Index: Source/WebCore/platform/graphics/win/FontCacheWin.cpp |
diff --git a/Source/WebCore/platform/graphics/win/FontCacheWin.cpp b/Source/WebCore/platform/graphics/win/FontCacheWin.cpp |
deleted file mode 100644 |
index 5a35c299cc40c2b940af97920ff695e504fb4d7b..0000000000000000000000000000000000000000 |
--- a/Source/WebCore/platform/graphics/win/FontCacheWin.cpp |
+++ /dev/null |
@@ -1,581 +0,0 @@ |
-/* |
- * Copyright (C) 2006, 2007, 2008 Apple Inc. All rights reserved. |
- * |
- * Redistribution and use in source and binary forms, with or without |
- * modification, are permitted provided that the following conditions |
- * are met: |
- * |
- * 1. Redistributions of source code must retain the above copyright |
- * notice, this list of conditions and the following disclaimer. |
- * 2. Redistributions in binary form must reproduce the above copyright |
- * notice, this list of conditions and the following disclaimer in the |
- * documentation and/or other materials provided with the distribution. |
- * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of |
- * its contributors may be used to endorse or promote products derived |
- * from this software without specific prior written permission. |
- * |
- * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY |
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
- * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY |
- * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
- * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
- */ |
- |
-#include "config.h" |
-#include <winsock2.h> |
-#include "FontCache.h" |
-#include "Font.h" |
-#include "HWndDC.h" |
-#include "SimpleFontData.h" |
-#include "UnicodeRange.h" |
-#include <mlang.h> |
-#include <windows.h> |
-#include <wtf/StdLibExtras.h> |
-#include <wtf/text/StringHash.h> |
- |
-using std::min; |
- |
-namespace WebCore |
-{ |
- |
-void FontCache::platformInit() |
-{ |
-} |
- |
-IMLangFontLinkType* FontCache::getFontLinkInterface() |
-{ |
- static IMultiLanguage *multiLanguage; |
- if (!multiLanguage) { |
- if (CoCreateInstance(CLSID_CMultiLanguage, 0, CLSCTX_ALL, IID_IMultiLanguage, (void**)&multiLanguage) != S_OK) |
- return 0; |
- } |
- |
- static IMLangFontLinkType* langFontLink; |
- if (!langFontLink) { |
- if (multiLanguage->QueryInterface(&langFontLink) != S_OK) |
- return 0; |
- } |
- |
- return langFontLink; |
-} |
- |
-static int CALLBACK metaFileEnumProc(HDC hdc, HANDLETABLE* table, CONST ENHMETARECORD* record, int tableEntries, LPARAM logFont) |
-{ |
- if (record->iType == EMR_EXTCREATEFONTINDIRECTW) { |
- const EMREXTCREATEFONTINDIRECTW* createFontRecord = reinterpret_cast<const EMREXTCREATEFONTINDIRECTW*>(record); |
- *reinterpret_cast<LOGFONT*>(logFont) = createFontRecord->elfw.elfLogFont; |
- } |
- return true; |
-} |
- |
-static int CALLBACK linkedFontEnumProc(CONST LOGFONT* logFont, CONST TEXTMETRIC* metrics, DWORD fontType, LPARAM hfont) |
-{ |
- *reinterpret_cast<HFONT*>(hfont) = CreateFontIndirect(logFont); |
- return false; |
-} |
- |
-static const Vector<String>* getLinkedFonts(String& family) |
-{ |
- static HashMap<String, Vector<String>*> systemLinkMap; |
- Vector<String>* result = systemLinkMap.get(family); |
- if (result) |
- return result; |
- |
- result = new Vector<String>; |
- systemLinkMap.set(family, result); |
- HKEY fontLinkKey; |
- if (FAILED(RegOpenKeyEx(HKEY_LOCAL_MACHINE, L"Software\\Microsoft\\Windows NT\\CurrentVersion\\FontLink\\SystemLink", 0, KEY_READ, &fontLinkKey))) |
- return result; |
- |
- DWORD linkedFontsBufferSize = 0; |
- RegQueryValueEx(fontLinkKey, family.charactersWithNullTermination(), 0, NULL, NULL, &linkedFontsBufferSize); |
- WCHAR* linkedFonts = reinterpret_cast<WCHAR*>(malloc(linkedFontsBufferSize)); |
- if (SUCCEEDED(RegQueryValueEx(fontLinkKey, family.charactersWithNullTermination(), 0, NULL, reinterpret_cast<BYTE*>(linkedFonts), &linkedFontsBufferSize))) { |
- unsigned i = 0; |
- unsigned length = linkedFontsBufferSize / sizeof(*linkedFonts); |
- while (i < length) { |
- while (i < length && linkedFonts[i] != ',') |
- i++; |
- i++; |
- unsigned j = i; |
- while (j < length && linkedFonts[j]) |
- j++; |
- result->append(String(linkedFonts + i, j - i)); |
- i = j + 1; |
- } |
- } |
- free(linkedFonts); |
- RegCloseKey(fontLinkKey); |
- return result; |
-} |
- |
-static const Vector<DWORD, 4>& getCJKCodePageMasks() |
-{ |
- // The default order in which we look for a font for a CJK character. If the user's default code page is |
- // one of these, we will use it first. |
- static const UINT CJKCodePages[] = { |
- 932, /* Japanese */ |
- 936, /* Simplified Chinese */ |
- 950, /* Traditional Chinese */ |
- 949 /* Korean */ |
- }; |
- |
- static Vector<DWORD, 4> codePageMasks; |
- static bool initialized; |
- if (!initialized) { |
- initialized = true; |
- IMLangFontLinkType* langFontLink = fontCache()->getFontLinkInterface(); |
- if (!langFontLink) |
- return codePageMasks; |
- |
- UINT defaultCodePage; |
- DWORD defaultCodePageMask = 0; |
- if (GetLocaleInfo(LOCALE_USER_DEFAULT, LOCALE_RETURN_NUMBER | LOCALE_IDEFAULTANSICODEPAGE, reinterpret_cast<LPWSTR>(&defaultCodePage), sizeof(defaultCodePage))) |
- langFontLink->CodePageToCodePages(defaultCodePage, &defaultCodePageMask); |
- |
- if (defaultCodePage == CJKCodePages[0] || defaultCodePage == CJKCodePages[1] || defaultCodePage == CJKCodePages[2] || defaultCodePage == CJKCodePages[3]) |
- codePageMasks.append(defaultCodePageMask); |
- for (unsigned i = 0; i < 4; ++i) { |
- if (defaultCodePage != CJKCodePages[i]) { |
- DWORD codePageMask; |
- langFontLink->CodePageToCodePages(CJKCodePages[i], &codePageMask); |
- codePageMasks.append(codePageMask); |
- } |
- } |
- } |
- return codePageMasks; |
-} |
- |
-static bool currentFontContainsCharacter(HDC hdc, UChar character) |
-{ |
- static Vector<char, 512> glyphsetBuffer; |
- glyphsetBuffer.resize(GetFontUnicodeRanges(hdc, 0)); |
- GLYPHSET* glyphset = reinterpret_cast<GLYPHSET*>(glyphsetBuffer.data()); |
- GetFontUnicodeRanges(hdc, glyphset); |
- |
- // FIXME: Change this to a binary search. |
- unsigned i = 0; |
- while (i < glyphset->cRanges && glyphset->ranges[i].wcLow <= character) |
- i++; |
- |
- return i && glyphset->ranges[i - 1].wcLow + glyphset->ranges[i - 1].cGlyphs > character; |
-} |
- |
-static HFONT createMLangFont(IMLangFontLinkType* langFontLink, HDC hdc, DWORD codePageMask, UChar character = 0) |
-{ |
- HFONT MLangFont; |
- HFONT hfont = 0; |
- if (SUCCEEDED(langFontLink->MapFont(hdc, codePageMask, character, &MLangFont)) && MLangFont) { |
- LOGFONT lf; |
- GetObject(MLangFont, sizeof(LOGFONT), &lf); |
- langFontLink->ReleaseFont(MLangFont); |
- hfont = CreateFontIndirect(&lf); |
- } |
- return hfont; |
-} |
- |
-PassRefPtr<SimpleFontData> FontCache::getFontDataForCharacters(const Font& font, const UChar* characters, int length) |
-{ |
- UChar character = characters[0]; |
- RefPtr<SimpleFontData> fontData; |
- HWndDC hdc(0); |
- HFONT primaryFont = font.primaryFont()->fontDataForCharacter(character)->platformData().hfont(); |
- HGDIOBJ oldFont = SelectObject(hdc, primaryFont); |
- HFONT hfont = 0; |
- |
- if (IMLangFontLinkType* langFontLink = getFontLinkInterface()) { |
- // Try MLang font linking first. |
- DWORD codePages = 0; |
- langFontLink->GetCharCodePages(character, &codePages); |
- |
- if (codePages && findCharUnicodeRange(character) == cRangeSetCJK) { |
- // The CJK character may belong to multiple code pages. We want to |
- // do font linking against a single one of them, preferring the default |
- // code page for the user's locale. |
- const Vector<DWORD, 4>& CJKCodePageMasks = getCJKCodePageMasks(); |
- unsigned numCodePages = CJKCodePageMasks.size(); |
- for (unsigned i = 0; i < numCodePages && !hfont; ++i) { |
- hfont = createMLangFont(langFontLink, hdc, CJKCodePageMasks[i]); |
- if (hfont && !(codePages & CJKCodePageMasks[i])) { |
- // We asked about a code page that is not one of the code pages |
- // returned by MLang, so the font might not contain the character. |
- SelectObject(hdc, hfont); |
- if (!currentFontContainsCharacter(hdc, character)) { |
- DeleteObject(hfont); |
- hfont = 0; |
- } |
- SelectObject(hdc, primaryFont); |
- } |
- } |
- } else |
- hfont = createMLangFont(langFontLink, hdc, codePages, character); |
- } |
- |
- // A font returned from MLang is trusted to contain the character. |
- bool containsCharacter = hfont; |
- |
- if (!hfont) { |
- // To find out what font Uniscribe would use, we make it draw into a metafile and intercept |
- // calls to CreateFontIndirect(). |
- HDC metaFileDc = CreateEnhMetaFile(hdc, NULL, NULL, NULL); |
- SelectObject(metaFileDc, primaryFont); |
- |
- bool scriptStringOutSucceeded = false; |
- SCRIPT_STRING_ANALYSIS ssa; |
- |
- // FIXME: If length is greater than 1, we actually return the font for the last character. |
- // This function should be renamed getFontDataForCharacter and take a single 32-bit character. |
- if (SUCCEEDED(ScriptStringAnalyse(metaFileDc, characters, length, 0, -1, SSA_METAFILE | SSA_FALLBACK | SSA_GLYPHS | SSA_LINK, |
- 0, NULL, NULL, NULL, NULL, NULL, &ssa))) { |
- scriptStringOutSucceeded = SUCCEEDED(ScriptStringOut(ssa, 0, 0, 0, NULL, 0, 0, FALSE)); |
- ScriptStringFree(&ssa); |
- } |
- HENHMETAFILE metaFile = CloseEnhMetaFile(metaFileDc); |
- if (scriptStringOutSucceeded) { |
- LOGFONT logFont; |
- logFont.lfFaceName[0] = 0; |
- EnumEnhMetaFile(0, metaFile, metaFileEnumProc, &logFont, NULL); |
- if (logFont.lfFaceName[0]) |
- hfont = CreateFontIndirect(&logFont); |
- } |
- DeleteEnhMetaFile(metaFile); |
- } |
- |
- String familyName; |
- const Vector<String>* linkedFonts = 0; |
- unsigned linkedFontIndex = 0; |
- while (hfont) { |
- SelectObject(hdc, hfont); |
- WCHAR name[LF_FACESIZE]; |
- GetTextFace(hdc, LF_FACESIZE, name); |
- familyName = name; |
- |
- if (containsCharacter || currentFontContainsCharacter(hdc, character)) |
- break; |
- |
- if (!linkedFonts) |
- linkedFonts = getLinkedFonts(familyName); |
- SelectObject(hdc, oldFont); |
- DeleteObject(hfont); |
- hfont = 0; |
- |
- if (linkedFonts->size() <= linkedFontIndex) |
- break; |
- |
- LOGFONT logFont; |
- logFont.lfCharSet = DEFAULT_CHARSET; |
- memcpy(logFont.lfFaceName, linkedFonts->at(linkedFontIndex).characters(), linkedFonts->at(linkedFontIndex).length() * sizeof(WCHAR)); |
- logFont.lfFaceName[linkedFonts->at(linkedFontIndex).length()] = 0; |
- EnumFontFamiliesEx(hdc, &logFont, linkedFontEnumProc, reinterpret_cast<LPARAM>(&hfont), 0); |
- linkedFontIndex++; |
- } |
- |
- if (hfont) { |
- if (!familyName.isEmpty()) { |
- FontPlatformData* result = getCachedFontPlatformData(font.fontDescription(), familyName); |
- if (result) |
- fontData = getCachedFontData(result, DoNotRetain); |
- } |
- |
- SelectObject(hdc, oldFont); |
- DeleteObject(hfont); |
- } |
- |
- return fontData.release(); |
-} |
- |
-PassRefPtr<SimpleFontData> FontCache::getSimilarFontPlatformData(const Font& font) |
-{ |
- return 0; |
-} |
- |
-PassRefPtr<SimpleFontData> FontCache::fontDataFromDescriptionAndLogFont(const FontDescription& fontDescription, ShouldRetain shouldRetain, const LOGFONT& font, AtomicString& outFontFamilyName) |
-{ |
- AtomicString familyName = String(font.lfFaceName, wcsnlen(font.lfFaceName, LF_FACESIZE)); |
- RefPtr<SimpleFontData> fontData = getCachedFontData(fontDescription, familyName, false, shouldRetain); |
- if (fontData) |
- outFontFamilyName = familyName; |
- return fontData.release(); |
-} |
- |
-PassRefPtr<SimpleFontData> FontCache::getLastResortFallbackFont(const FontDescription& fontDescription, ShouldRetain shouldRetain) |
-{ |
- DEFINE_STATIC_LOCAL(AtomicString, fallbackFontName, ()); |
- if (!fallbackFontName.isEmpty()) |
- return getCachedFontData(fontDescription, fallbackFontName, false, shouldRetain); |
- |
- // FIXME: Would be even better to somehow get the user's default font here. For now we'll pick |
- // the default that the user would get without changing any prefs. |
- |
- // Search all typical Windows-installed full Unicode fonts. |
- // Sorted by most to least glyphs according to http://en.wikipedia.org/wiki/Unicode_typefaces |
- // Start with Times New Roman also since it is the default if the user doesn't change prefs. |
- static AtomicString fallbackFonts[] = { |
- AtomicString("Times New Roman", AtomicString::ConstructFromLiteral), |
- AtomicString("Microsoft Sans Serif", AtomicString::ConstructFromLiteral), |
- AtomicString("Tahoma", AtomicString::ConstructFromLiteral), |
- AtomicString("Lucida Sans Unicode", AtomicString::ConstructFromLiteral), |
- AtomicString("Arial", AtomicString::ConstructFromLiteral) |
- }; |
- RefPtr<SimpleFontData> simpleFont; |
- for (size_t i = 0; i < WTF_ARRAY_LENGTH(fallbackFonts); ++i) { |
- if (simpleFont = getCachedFontData(fontDescription, fallbackFonts[i], false, shouldRetain)) { |
- fallbackFontName = fallbackFonts[i]; |
- return simpleFont.release(); |
- } |
- } |
- |
- // Fall back to the DEFAULT_GUI_FONT if no known Unicode fonts are available. |
- if (HFONT defaultGUIFont = static_cast<HFONT>(GetStockObject(DEFAULT_GUI_FONT))) { |
- LOGFONT defaultGUILogFont; |
- GetObject(defaultGUIFont, sizeof(defaultGUILogFont), &defaultGUILogFont); |
- if (simpleFont = fontDataFromDescriptionAndLogFont(fontDescription, shouldRetain, defaultGUILogFont, fallbackFontName)) |
- return simpleFont.release(); |
- } |
- |
- // Fall back to Non-client metrics fonts. |
- NONCLIENTMETRICS nonClientMetrics = {0}; |
- nonClientMetrics.cbSize = sizeof(nonClientMetrics); |
- if (SystemParametersInfo(SPI_GETNONCLIENTMETRICS, sizeof(nonClientMetrics), &nonClientMetrics, 0)) { |
- if (simpleFont = fontDataFromDescriptionAndLogFont(fontDescription, shouldRetain, nonClientMetrics.lfMessageFont, fallbackFontName)) |
- return simpleFont.release(); |
- if (simpleFont = fontDataFromDescriptionAndLogFont(fontDescription, shouldRetain, nonClientMetrics.lfMenuFont, fallbackFontName)) |
- return simpleFont.release(); |
- if (simpleFont = fontDataFromDescriptionAndLogFont(fontDescription, shouldRetain, nonClientMetrics.lfStatusFont, fallbackFontName)) |
- return simpleFont.release(); |
- if (simpleFont = fontDataFromDescriptionAndLogFont(fontDescription, shouldRetain, nonClientMetrics.lfCaptionFont, fallbackFontName)) |
- return simpleFont.release(); |
- if (simpleFont = fontDataFromDescriptionAndLogFont(fontDescription, shouldRetain, nonClientMetrics.lfSmCaptionFont, fallbackFontName)) |
- return simpleFont.release(); |
- } |
- |
- ASSERT_NOT_REACHED(); |
- return 0; |
-} |
- |
-static LONG toGDIFontWeight(FontWeight fontWeight) |
-{ |
- static LONG gdiFontWeights[] = { |
- FW_THIN, // FontWeight100 |
- FW_EXTRALIGHT, // FontWeight200 |
- FW_LIGHT, // FontWeight300 |
- FW_NORMAL, // FontWeight400 |
- FW_MEDIUM, // FontWeight500 |
- FW_SEMIBOLD, // FontWeight600 |
- FW_BOLD, // FontWeight700 |
- FW_EXTRABOLD, // FontWeight800 |
- FW_HEAVY // FontWeight900 |
- }; |
- return gdiFontWeights[fontWeight]; |
-} |
- |
-static inline bool isGDIFontWeightBold(LONG gdiFontWeight) |
-{ |
- return gdiFontWeight >= FW_SEMIBOLD; |
-} |
- |
-static LONG adjustedGDIFontWeight(LONG gdiFontWeight, const String& family) |
-{ |
- static AtomicString lucidaStr("Lucida Grande"); |
- if (equalIgnoringCase(family, lucidaStr)) { |
- if (gdiFontWeight == FW_NORMAL) |
- return FW_MEDIUM; |
- if (gdiFontWeight == FW_BOLD) |
- return FW_SEMIBOLD; |
- } |
- return gdiFontWeight; |
-} |
- |
-struct MatchImprovingProcData { |
- MatchImprovingProcData(LONG desiredWeight, bool desiredItalic) |
- : m_desiredWeight(desiredWeight) |
- , m_desiredItalic(desiredItalic) |
- , m_hasMatched(false) |
- { |
- } |
- |
- LONG m_desiredWeight; |
- bool m_desiredItalic; |
- bool m_hasMatched; |
- LOGFONT m_chosen; |
-}; |
- |
-static int CALLBACK matchImprovingEnumProc(CONST LOGFONT* candidate, CONST TEXTMETRIC* metrics, DWORD fontType, LPARAM lParam) |
-{ |
- MatchImprovingProcData* matchData = reinterpret_cast<MatchImprovingProcData*>(lParam); |
- |
- if (!matchData->m_hasMatched) { |
- matchData->m_hasMatched = true; |
- matchData->m_chosen = *candidate; |
- return 1; |
- } |
- |
- if (!candidate->lfItalic != !matchData->m_chosen.lfItalic) { |
- if (!candidate->lfItalic == !matchData->m_desiredItalic) |
- matchData->m_chosen = *candidate; |
- |
- return 1; |
- } |
- |
- unsigned chosenWeightDeltaMagnitude = abs(matchData->m_chosen.lfWeight - matchData->m_desiredWeight); |
- unsigned candidateWeightDeltaMagnitude = abs(candidate->lfWeight - matchData->m_desiredWeight); |
- |
- // If both are the same distance from the desired weight, prefer the candidate if it is further from regular. |
- if (chosenWeightDeltaMagnitude == candidateWeightDeltaMagnitude && abs(candidate->lfWeight - FW_NORMAL) > abs(matchData->m_chosen.lfWeight - FW_NORMAL)) { |
- matchData->m_chosen = *candidate; |
- return 1; |
- } |
- |
- // Otherwise, prefer the one closer to the desired weight. |
- if (candidateWeightDeltaMagnitude < chosenWeightDeltaMagnitude) |
- matchData->m_chosen = *candidate; |
- |
- return 1; |
-} |
- |
-static HFONT createGDIFont(const AtomicString& family, LONG desiredWeight, bool desiredItalic, int size, bool synthesizeItalic) |
-{ |
- HWndDC hdc(0); |
- |
- LOGFONT logFont; |
- logFont.lfCharSet = DEFAULT_CHARSET; |
- unsigned familyLength = min(family.length(), static_cast<unsigned>(LF_FACESIZE - 1)); |
- memcpy(logFont.lfFaceName, family.characters(), familyLength * sizeof(UChar)); |
- logFont.lfFaceName[familyLength] = 0; |
- logFont.lfPitchAndFamily = 0; |
- |
- MatchImprovingProcData matchData(desiredWeight, desiredItalic); |
- EnumFontFamiliesEx(hdc, &logFont, matchImprovingEnumProc, reinterpret_cast<LPARAM>(&matchData), 0); |
- |
- if (!matchData.m_hasMatched) |
- return 0; |
- |
- matchData.m_chosen.lfHeight = -size; |
- matchData.m_chosen.lfWidth = 0; |
- matchData.m_chosen.lfEscapement = 0; |
- matchData.m_chosen.lfOrientation = 0; |
- matchData.m_chosen.lfUnderline = false; |
- matchData.m_chosen.lfStrikeOut = false; |
- matchData.m_chosen.lfCharSet = DEFAULT_CHARSET; |
- matchData.m_chosen.lfOutPrecision = OUT_TT_PRECIS; |
- matchData.m_chosen.lfQuality = DEFAULT_QUALITY; |
- matchData.m_chosen.lfPitchAndFamily = DEFAULT_PITCH | FF_DONTCARE; |
- |
- if (desiredItalic && !matchData.m_chosen.lfItalic && synthesizeItalic) |
- matchData.m_chosen.lfItalic = 1; |
- |
- HFONT result = CreateFontIndirect(&matchData.m_chosen); |
- if (!result) |
- return 0; |
- |
- HWndDC dc(0); |
- SaveDC(dc); |
- SelectObject(dc, result); |
- WCHAR actualName[LF_FACESIZE]; |
- GetTextFace(dc, LF_FACESIZE, actualName); |
- RestoreDC(dc, -1); |
- |
- if (wcsicmp(matchData.m_chosen.lfFaceName, actualName)) { |
- DeleteObject(result); |
- result = 0; |
- } |
- |
- return result; |
-} |
- |
-struct TraitsInFamilyProcData { |
- TraitsInFamilyProcData(const AtomicString& familyName) |
- : m_familyName(familyName) |
- { |
- } |
- |
- const AtomicString& m_familyName; |
- HashSet<unsigned> m_traitsMasks; |
-}; |
- |
-static int CALLBACK traitsInFamilyEnumProc(CONST LOGFONT* logFont, CONST TEXTMETRIC* metrics, DWORD fontType, LPARAM lParam) |
-{ |
- TraitsInFamilyProcData* procData = reinterpret_cast<TraitsInFamilyProcData*>(lParam); |
- |
- unsigned traitsMask = 0; |
- traitsMask |= logFont->lfItalic ? FontStyleItalicMask : FontStyleNormalMask; |
- traitsMask |= FontVariantNormalMask; |
- LONG weight = adjustedGDIFontWeight(logFont->lfWeight, procData->m_familyName); |
- traitsMask |= weight == FW_THIN ? FontWeight100Mask : |
- weight == FW_EXTRALIGHT ? FontWeight200Mask : |
- weight == FW_LIGHT ? FontWeight300Mask : |
- weight == FW_NORMAL ? FontWeight400Mask : |
- weight == FW_MEDIUM ? FontWeight500Mask : |
- weight == FW_SEMIBOLD ? FontWeight600Mask : |
- weight == FW_BOLD ? FontWeight700Mask : |
- weight == FW_EXTRABOLD ? FontWeight800Mask : |
- FontWeight900Mask; |
- procData->m_traitsMasks.add(traitsMask); |
- return 1; |
-} |
-void FontCache::getTraitsInFamily(const AtomicString& familyName, Vector<unsigned>& traitsMasks) |
-{ |
- HWndDC hdc(0); |
- |
- LOGFONT logFont; |
- logFont.lfCharSet = DEFAULT_CHARSET; |
- unsigned familyLength = min(familyName.length(), static_cast<unsigned>(LF_FACESIZE - 1)); |
- memcpy(logFont.lfFaceName, familyName.characters(), familyLength * sizeof(UChar)); |
- logFont.lfFaceName[familyLength] = 0; |
- logFont.lfPitchAndFamily = 0; |
- |
- TraitsInFamilyProcData procData(familyName); |
- EnumFontFamiliesEx(hdc, &logFont, traitsInFamilyEnumProc, reinterpret_cast<LPARAM>(&procData), 0); |
- copyToVector(procData.m_traitsMasks, traitsMasks); |
-} |
- |
-FontPlatformData* FontCache::createFontPlatformData(const FontDescription& fontDescription, const AtomicString& family) |
-{ |
- bool isLucidaGrande = false; |
- static AtomicString lucidaStr("Lucida Grande"); |
- if (equalIgnoringCase(family, lucidaStr)) |
- isLucidaGrande = true; |
- |
- bool useGDI = fontDescription.renderingMode() == AlternateRenderingMode && !isLucidaGrande; |
- |
- // The logical size constant is 32. We do this for subpixel precision when rendering using Uniscribe. |
- // This masks rounding errors related to the HFONT metrics being different from the CGFont metrics. |
- // FIXME: We will eventually want subpixel precision for GDI mode, but the scaled rendering doesn't |
- // look as nice. That may be solvable though. |
- LONG weight = adjustedGDIFontWeight(toGDIFontWeight(fontDescription.weight()), family); |
- HFONT hfont = createGDIFont(family, weight, fontDescription.italic(), |
- fontDescription.computedPixelSize() * (useGDI ? 1 : 32), useGDI); |
- |
- if (!hfont) |
- return 0; |
- |
- if (isLucidaGrande) |
- useGDI = false; // Never use GDI for Lucida Grande. |
- |
- LOGFONT logFont; |
- GetObject(hfont, sizeof(LOGFONT), &logFont); |
- |
- bool synthesizeBold = isGDIFontWeightBold(weight) && !isGDIFontWeightBold(logFont.lfWeight); |
- bool synthesizeItalic = fontDescription.italic() && !logFont.lfItalic; |
- |
- FontPlatformData* result = new FontPlatformData(hfont, fontDescription.computedPixelSize(), synthesizeBold, synthesizeItalic, useGDI); |
- |
- if (fontCreationFailed) { |
- // The creation of the CGFontRef failed for some reason. We already asserted in debug builds, but to make |
- // absolutely sure that we don't use this font, go ahead and return 0 so that we can fall back to the next |
- // font. |
- delete result; |
- DeleteObject(hfont); |
- return 0; |
- } |
- |
- return result; |
-} |
- |
-} |
- |