| 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;
|
| -}
|
| -
|
| -}
|
| -
|
|
|