зеркало из https://github.com/mozilla/gecko-dev.git
912 строки
29 KiB
C++
912 строки
29 KiB
C++
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "mozilla/DebugOnly.h"
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#include <algorithm>
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#ifdef MOZ_LOGGING
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#define FORCE_PR_LOG /* Allow logging in the release build */
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#endif
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#include "prlog.h"
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#include "gfxGDIFontList.h"
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#include "gfxWindowsPlatform.h"
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#include "gfxUserFontSet.h"
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#include "gfxFontUtils.h"
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#include "gfxGDIFont.h"
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#include "nsServiceManagerUtils.h"
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#include "nsTArray.h"
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#include "nsUnicharUtils.h"
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#include "nsDirectoryServiceUtils.h"
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#include "nsDirectoryServiceDefs.h"
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#include "nsAppDirectoryServiceDefs.h"
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#include "nsISimpleEnumerator.h"
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#include "nsIWindowsRegKey.h"
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#include "gfxFontConstants.h"
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#include "mozilla/MemoryReporting.h"
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#include "mozilla/Telemetry.h"
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#include "mozilla/WindowsVersion.h"
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#include <usp10.h>
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using namespace mozilla;
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#define ROUND(x) floor((x) + 0.5)
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#ifndef CLEARTYPE_QUALITY
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#define CLEARTYPE_QUALITY 5
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#endif
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#ifdef PR_LOGGING
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#define LOG_FONTLIST(args) PR_LOG(gfxPlatform::GetLog(eGfxLog_fontlist), \
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PR_LOG_DEBUG, args)
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#define LOG_FONTLIST_ENABLED() PR_LOG_TEST( \
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gfxPlatform::GetLog(eGfxLog_fontlist), \
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PR_LOG_DEBUG)
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#define LOG_CMAPDATA_ENABLED() PR_LOG_TEST( \
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gfxPlatform::GetLog(eGfxLog_cmapdata), \
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PR_LOG_DEBUG)
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#endif // PR_LOGGING
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static __inline void
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BuildKeyNameFromFontName(nsAString &aName)
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{
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if (aName.Length() >= LF_FACESIZE)
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aName.Truncate(LF_FACESIZE - 1);
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ToLowerCase(aName);
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}
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// Implementation of gfxPlatformFontList for Win32 GDI,
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// using GDI font enumeration APIs to get the list of fonts
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class WinUserFontData : public gfxUserFontData {
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public:
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WinUserFontData(HANDLE aFontRef)
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: mFontRef(aFontRef)
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{ }
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virtual ~WinUserFontData()
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{
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DebugOnly<BOOL> success;
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success = RemoveFontMemResourceEx(mFontRef);
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#if DEBUG
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if (!success) {
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char buf[256];
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sprintf(buf, "error deleting font handle (%p) - RemoveFontMemResourceEx failed", mFontRef);
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NS_ASSERTION(success, buf);
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}
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#endif
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}
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HANDLE mFontRef;
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};
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BYTE
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FontTypeToOutPrecision(uint8_t fontType)
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{
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BYTE ret;
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switch (fontType) {
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case GFX_FONT_TYPE_TT_OPENTYPE:
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case GFX_FONT_TYPE_TRUETYPE:
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ret = OUT_TT_ONLY_PRECIS;
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break;
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case GFX_FONT_TYPE_PS_OPENTYPE:
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ret = OUT_PS_ONLY_PRECIS;
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break;
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case GFX_FONT_TYPE_TYPE1:
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ret = OUT_OUTLINE_PRECIS;
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break;
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case GFX_FONT_TYPE_RASTER:
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ret = OUT_RASTER_PRECIS;
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break;
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case GFX_FONT_TYPE_DEVICE:
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ret = OUT_DEVICE_PRECIS;
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break;
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default:
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ret = OUT_DEFAULT_PRECIS;
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}
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return ret;
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}
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/***************************************************************
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*
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* GDIFontEntry
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*
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*/
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GDIFontEntry::GDIFontEntry(const nsAString& aFaceName,
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gfxWindowsFontType aFontType,
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bool aItalic, uint16_t aWeight, int16_t aStretch,
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gfxUserFontData *aUserFontData,
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bool aFamilyHasItalicFace)
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: gfxFontEntry(aFaceName),
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mWindowsFamily(0), mWindowsPitch(0),
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mFontType(aFontType),
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mForceGDI(false),
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mFamilyHasItalicFace(aFamilyHasItalicFace),
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mCharset(), mUnicodeRanges()
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{
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mUserFontData = aUserFontData;
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mItalic = aItalic;
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mWeight = aWeight;
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mStretch = aStretch;
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if (IsType1())
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mForceGDI = true;
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mIsUserFont = aUserFontData != nullptr;
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InitLogFont(aFaceName, aFontType);
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}
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nsresult
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GDIFontEntry::ReadCMAP()
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{
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// attempt this once, if errors occur leave a blank cmap
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if (mCharacterMap) {
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return NS_OK;
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}
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// skip non-SFNT fonts completely
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if (mFontType != GFX_FONT_TYPE_PS_OPENTYPE &&
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mFontType != GFX_FONT_TYPE_TT_OPENTYPE &&
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mFontType != GFX_FONT_TYPE_TRUETYPE)
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{
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mCharacterMap = new gfxCharacterMap();
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mCharacterMap->mBuildOnTheFly = true;
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return NS_ERROR_FAILURE;
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}
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nsRefPtr<gfxCharacterMap> charmap = new gfxCharacterMap();
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uint32_t kCMAP = TRUETYPE_TAG('c','m','a','p');
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nsresult rv;
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AutoFallibleTArray<uint8_t,16384> cmap;
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rv = CopyFontTable(kCMAP, cmap);
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bool unicodeFont = false, symbolFont = false; // currently ignored
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if (NS_SUCCEEDED(rv)) {
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rv = gfxFontUtils::ReadCMAP(cmap.Elements(), cmap.Length(),
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*charmap, mUVSOffset,
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unicodeFont, symbolFont);
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}
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mSymbolFont = symbolFont;
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mHasCmapTable = NS_SUCCEEDED(rv);
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if (mHasCmapTable) {
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gfxPlatformFontList *pfl = gfxPlatformFontList::PlatformFontList();
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mCharacterMap = pfl->FindCharMap(charmap);
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} else {
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// if error occurred, initialize to null cmap
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mCharacterMap = new gfxCharacterMap();
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// For fonts where we failed to read the character map,
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// we can take a slow path to look up glyphs character by character
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mCharacterMap->mBuildOnTheFly = true;
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}
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#ifdef PR_LOGGING
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LOG_FONTLIST(("(fontlist-cmap) name: %s, size: %d hash: %8.8x%s\n",
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NS_ConvertUTF16toUTF8(mName).get(),
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charmap->SizeOfIncludingThis(moz_malloc_size_of),
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charmap->mHash, mCharacterMap == charmap ? " new" : ""));
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if (LOG_CMAPDATA_ENABLED()) {
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char prefix[256];
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sprintf(prefix, "(cmapdata) name: %.220s",
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NS_ConvertUTF16toUTF8(mName).get());
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charmap->Dump(prefix, eGfxLog_cmapdata);
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}
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#endif
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return rv;
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}
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bool
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GDIFontEntry::IsSymbolFont()
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{
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// initialize cmap first
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HasCmapTable();
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return mSymbolFont;
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}
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gfxFont *
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GDIFontEntry::CreateFontInstance(const gfxFontStyle* aFontStyle, bool aNeedsBold)
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{
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bool isXP = !IsVistaOrLater();
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bool useClearType = isXP && !aFontStyle->systemFont &&
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(gfxWindowsPlatform::GetPlatform()->UseClearTypeAlways() ||
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(mIsUserFont && !mIsLocalUserFont &&
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gfxWindowsPlatform::GetPlatform()->UseClearTypeForDownloadableFonts()));
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return new gfxGDIFont(this, aFontStyle, aNeedsBold,
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(useClearType ? gfxFont::kAntialiasSubpixel
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: gfxFont::kAntialiasDefault));
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}
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nsresult
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GDIFontEntry::CopyFontTable(uint32_t aTableTag,
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FallibleTArray<uint8_t>& aBuffer)
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{
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if (!IsTrueType()) {
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return NS_ERROR_FAILURE;
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}
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AutoDC dc;
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AutoSelectFont font(dc.GetDC(), &mLogFont);
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if (font.IsValid()) {
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uint32_t tableSize =
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::GetFontData(dc.GetDC(),
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NativeEndian::swapToBigEndian(aTableTag),
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0, nullptr, 0);
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if (tableSize != GDI_ERROR) {
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if (aBuffer.SetLength(tableSize)) {
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::GetFontData(dc.GetDC(),
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NativeEndian::swapToBigEndian(aTableTag), 0,
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aBuffer.Elements(), tableSize);
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return NS_OK;
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}
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return NS_ERROR_OUT_OF_MEMORY;
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}
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}
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return NS_ERROR_FAILURE;
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}
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void
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GDIFontEntry::FillLogFont(LOGFONTW *aLogFont,
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uint16_t aWeight, gfxFloat aSize,
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bool aUseCleartype)
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{
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memcpy(aLogFont, &mLogFont, sizeof(LOGFONTW));
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aLogFont->lfHeight = (LONG)-ROUND(aSize);
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if (aLogFont->lfHeight == 0) {
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aLogFont->lfHeight = -1;
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}
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// If a non-zero weight is passed in, use this to override the original
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// weight in the entry's logfont. This is used to control synthetic bolding
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// for installed families with no bold face, and for downloaded fonts
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// (but NOT for local user fonts, because it could cause a different,
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// glyph-incompatible face to be used)
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if (aWeight) {
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aLogFont->lfWeight = aWeight;
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}
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// for non-local() user fonts, we never want to apply italics here;
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// if the face is described as italic, we should use it as-is,
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// and if it's not, but then the element is styled italic, we'll use
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// a cairo transform to create fake italic (oblique)
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if (IsUserFont() && !IsLocalUserFont()) {
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aLogFont->lfItalic = 0;
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}
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aLogFont->lfQuality = (aUseCleartype ? CLEARTYPE_QUALITY : DEFAULT_QUALITY);
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}
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#define MISSING_GLYPH 0x1F // glyph index returned for missing characters
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// on WinXP with .fon fonts, but not Type1 (.pfb)
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bool
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GDIFontEntry::TestCharacterMap(uint32_t aCh)
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{
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if (!mCharacterMap) {
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ReadCMAP();
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NS_ASSERTION(mCharacterMap, "failed to initialize a character map");
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}
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if (mCharacterMap->mBuildOnTheFly) {
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if (aCh > 0xFFFF)
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return false;
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// previous code was using the group style
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gfxFontStyle fakeStyle;
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if (mItalic)
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fakeStyle.style = NS_FONT_STYLE_ITALIC;
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fakeStyle.weight = mWeight * 100;
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nsRefPtr<gfxFont> tempFont = FindOrMakeFont(&fakeStyle, false);
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if (!tempFont || !tempFont->Valid())
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return false;
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gfxGDIFont *font = static_cast<gfxGDIFont*>(tempFont.get());
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HDC dc = GetDC((HWND)nullptr);
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SetGraphicsMode(dc, GM_ADVANCED);
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HFONT hfont = font->GetHFONT();
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HFONT oldFont = (HFONT)SelectObject(dc, hfont);
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wchar_t str[1] = { aCh };
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WORD glyph[1];
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bool hasGlyph = false;
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// Bug 573038 - in some cases GetGlyphIndicesW returns 0xFFFF for a
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// missing glyph or 0x1F in other cases to indicate the "invalid"
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// glyph. Map both cases to "not found"
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if (IsType1() || mForceGDI) {
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// Type1 fonts and uniscribe APIs don't get along.
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// ScriptGetCMap will return E_HANDLE
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DWORD ret = GetGlyphIndicesW(dc, str, 1,
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glyph, GGI_MARK_NONEXISTING_GLYPHS);
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if (ret != GDI_ERROR
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&& glyph[0] != 0xFFFF
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&& (IsType1() || glyph[0] != MISSING_GLYPH))
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{
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hasGlyph = true;
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}
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} else {
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// ScriptGetCMap works better than GetGlyphIndicesW
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// for things like bitmap/vector fonts
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SCRIPT_CACHE sc = nullptr;
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HRESULT rv = ScriptGetCMap(dc, &sc, str, 1, 0, glyph);
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if (rv == S_OK)
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hasGlyph = true;
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}
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SelectObject(dc, oldFont);
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ReleaseDC(nullptr, dc);
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if (hasGlyph) {
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mCharacterMap->set(aCh);
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return true;
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}
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} else {
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// font had a cmap so simply check that
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return mCharacterMap->test(aCh);
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}
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return false;
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}
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void
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GDIFontEntry::InitLogFont(const nsAString& aName,
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gfxWindowsFontType aFontType)
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{
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#define CLIP_TURNOFF_FONTASSOCIATION 0x40
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mLogFont.lfHeight = -1;
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// Fill in logFont structure
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mLogFont.lfWidth = 0;
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mLogFont.lfEscapement = 0;
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mLogFont.lfOrientation = 0;
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mLogFont.lfUnderline = FALSE;
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mLogFont.lfStrikeOut = FALSE;
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mLogFont.lfCharSet = DEFAULT_CHARSET;
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mLogFont.lfOutPrecision = FontTypeToOutPrecision(aFontType);
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mLogFont.lfClipPrecision = CLIP_TURNOFF_FONTASSOCIATION;
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mLogFont.lfQuality = DEFAULT_QUALITY;
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mLogFont.lfPitchAndFamily = DEFAULT_PITCH | FF_DONTCARE;
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// always force lfItalic if we want it. Font selection code will
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// do its best to give us an italic font entry, but if no face exists
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// it may give us a regular one based on weight. Windows should
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// do fake italic for us in that case.
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mLogFont.lfItalic = mItalic;
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mLogFont.lfWeight = mWeight;
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int len = std::min<int>(aName.Length(), LF_FACESIZE - 1);
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memcpy(&mLogFont.lfFaceName, aName.BeginReading(), len * sizeof(PRUnichar));
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mLogFont.lfFaceName[len] = '\0';
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}
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GDIFontEntry*
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GDIFontEntry::CreateFontEntry(const nsAString& aName,
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gfxWindowsFontType aFontType, bool aItalic,
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uint16_t aWeight, int16_t aStretch,
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gfxUserFontData* aUserFontData,
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bool aFamilyHasItalicFace)
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{
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// jtdfix - need to set charset, unicode ranges, pitch/family
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GDIFontEntry *fe = new GDIFontEntry(aName, aFontType, aItalic,
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aWeight, aStretch, aUserFontData,
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aFamilyHasItalicFace);
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return fe;
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}
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void
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GDIFontEntry::AddSizeOfIncludingThis(MallocSizeOf aMallocSizeOf,
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FontListSizes* aSizes) const
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{
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aSizes->mFontListSize += aMallocSizeOf(this);
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AddSizeOfExcludingThis(aMallocSizeOf, aSizes);
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}
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/***************************************************************
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*
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* GDIFontFamily
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*
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*/
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int CALLBACK
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GDIFontFamily::FamilyAddStylesProc(const ENUMLOGFONTEXW *lpelfe,
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const NEWTEXTMETRICEXW *nmetrics,
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DWORD fontType, LPARAM data)
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{
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const NEWTEXTMETRICW& metrics = nmetrics->ntmTm;
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LOGFONTW logFont = lpelfe->elfLogFont;
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GDIFontFamily *ff = reinterpret_cast<GDIFontFamily*>(data);
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// Some fonts claim to support things > 900, but we don't so clamp the sizes
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logFont.lfWeight = clamped(logFont.lfWeight, LONG(100), LONG(900));
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gfxWindowsFontType feType = GDIFontEntry::DetermineFontType(metrics, fontType);
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GDIFontEntry *fe = nullptr;
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for (uint32_t i = 0; i < ff->mAvailableFonts.Length(); ++i) {
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fe = static_cast<GDIFontEntry*>(ff->mAvailableFonts[i].get());
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if (feType > fe->mFontType) {
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// if the new type is better than the old one, remove the old entries
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ff->mAvailableFonts.RemoveElementAt(i);
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--i;
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} else if (feType < fe->mFontType) {
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// otherwise if the new type is worse, skip it
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return 1;
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}
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}
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for (uint32_t i = 0; i < ff->mAvailableFonts.Length(); ++i) {
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fe = static_cast<GDIFontEntry*>(ff->mAvailableFonts[i].get());
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// check if we already know about this face
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if (fe->mWeight == logFont.lfWeight &&
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fe->mItalic == (logFont.lfItalic == 0xFF)) {
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// update the charset bit here since this could be different
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fe->mCharset.set(metrics.tmCharSet);
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return 1;
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}
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}
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// We can't set the hasItalicFace flag correctly here,
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// because we might not have seen the family's italic face(s) yet.
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// So we'll set that flag for all members after loading all the faces.
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fe = GDIFontEntry::CreateFontEntry(nsDependentString(lpelfe->elfFullName),
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feType, (logFont.lfItalic == 0xFF),
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(uint16_t) (logFont.lfWeight), 0,
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nullptr, false);
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if (!fe)
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return 1;
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ff->AddFontEntry(fe);
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// mark the charset bit
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fe->mCharset.set(metrics.tmCharSet);
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fe->mWindowsFamily = logFont.lfPitchAndFamily & 0xF0;
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fe->mWindowsPitch = logFont.lfPitchAndFamily & 0x0F;
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if (nmetrics->ntmFontSig.fsUsb[0] != 0x00000000 &&
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nmetrics->ntmFontSig.fsUsb[1] != 0x00000000 &&
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nmetrics->ntmFontSig.fsUsb[2] != 0x00000000 &&
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nmetrics->ntmFontSig.fsUsb[3] != 0x00000000) {
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// set the unicode ranges
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uint32_t x = 0;
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for (uint32_t i = 0; i < 4; ++i) {
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DWORD range = nmetrics->ntmFontSig.fsUsb[i];
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for (uint32_t k = 0; k < 32; ++k) {
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fe->mUnicodeRanges.set(x++, (range & (1 << k)) != 0);
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}
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}
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}
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|
|
#ifdef PR_LOGGING
|
|
if (LOG_FONTLIST_ENABLED()) {
|
|
LOG_FONTLIST(("(fontlist) added (%s) to family (%s)"
|
|
" with style: %s weight: %d stretch: %d",
|
|
NS_ConvertUTF16toUTF8(fe->Name()).get(),
|
|
NS_ConvertUTF16toUTF8(ff->Name()).get(),
|
|
(logFont.lfItalic == 0xff) ? "italic" : "normal",
|
|
logFont.lfWeight, fe->Stretch()));
|
|
}
|
|
#endif
|
|
return 1;
|
|
}
|
|
|
|
void
|
|
GDIFontFamily::FindStyleVariations()
|
|
{
|
|
if (mHasStyles)
|
|
return;
|
|
mHasStyles = true;
|
|
|
|
HDC hdc = GetDC(nullptr);
|
|
SetGraphicsMode(hdc, GM_ADVANCED);
|
|
|
|
LOGFONTW logFont;
|
|
memset(&logFont, 0, sizeof(LOGFONTW));
|
|
logFont.lfCharSet = DEFAULT_CHARSET;
|
|
logFont.lfPitchAndFamily = 0;
|
|
uint32_t l = std::min<uint32_t>(mName.Length(), LF_FACESIZE - 1);
|
|
memcpy(logFont.lfFaceName, mName.get(), l * sizeof(PRUnichar));
|
|
|
|
EnumFontFamiliesExW(hdc, &logFont,
|
|
(FONTENUMPROCW)GDIFontFamily::FamilyAddStylesProc,
|
|
(LPARAM)this, 0);
|
|
#ifdef PR_LOGGING
|
|
if (LOG_FONTLIST_ENABLED() && mAvailableFonts.Length() == 0) {
|
|
LOG_FONTLIST(("(fontlist) no styles available in family \"%s\"",
|
|
NS_ConvertUTF16toUTF8(mName).get()));
|
|
}
|
|
#endif
|
|
|
|
ReleaseDC(nullptr, hdc);
|
|
|
|
if (mIsBadUnderlineFamily) {
|
|
SetBadUnderlineFonts();
|
|
}
|
|
|
|
// check for existence of italic face(s); if present, set the
|
|
// FamilyHasItalic flag on all faces so that we'll know *not*
|
|
// to use GDI's fake-italic effect with them
|
|
size_t count = mAvailableFonts.Length();
|
|
for (size_t i = 0; i < count; ++i) {
|
|
if (mAvailableFonts[i]->IsItalic()) {
|
|
for (uint32_t j = 0; j < count; ++j) {
|
|
static_cast<GDIFontEntry*>(mAvailableFonts[j].get())->
|
|
mFamilyHasItalicFace = true;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
/***************************************************************
|
|
*
|
|
* gfxGDIFontList
|
|
*
|
|
*/
|
|
|
|
gfxGDIFontList::gfxGDIFontList()
|
|
: mFontSubstitutes(50)
|
|
{
|
|
}
|
|
|
|
static void
|
|
RemoveCharsetFromFontSubstitute(nsAString &aName)
|
|
{
|
|
int32_t comma = aName.FindChar(PRUnichar(','));
|
|
if (comma >= 0)
|
|
aName.Truncate(comma);
|
|
}
|
|
|
|
#define MAX_VALUE_NAME 512
|
|
#define MAX_VALUE_DATA 512
|
|
|
|
nsresult
|
|
gfxGDIFontList::GetFontSubstitutes()
|
|
{
|
|
HKEY hKey;
|
|
DWORD i, rv, lenAlias, lenActual, valueType;
|
|
WCHAR aliasName[MAX_VALUE_NAME];
|
|
WCHAR actualName[MAX_VALUE_DATA];
|
|
|
|
if (RegOpenKeyExW(HKEY_LOCAL_MACHINE,
|
|
L"SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\FontSubstitutes",
|
|
0, KEY_READ, &hKey) != ERROR_SUCCESS)
|
|
{
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
for (i = 0, rv = ERROR_SUCCESS; rv != ERROR_NO_MORE_ITEMS; i++) {
|
|
aliasName[0] = 0;
|
|
lenAlias = ArrayLength(aliasName);
|
|
actualName[0] = 0;
|
|
lenActual = sizeof(actualName);
|
|
rv = RegEnumValueW(hKey, i, aliasName, &lenAlias, nullptr, &valueType,
|
|
(LPBYTE)actualName, &lenActual);
|
|
|
|
if (rv != ERROR_SUCCESS || valueType != REG_SZ || lenAlias == 0) {
|
|
continue;
|
|
}
|
|
|
|
if (aliasName[0] == WCHAR('@')) {
|
|
continue;
|
|
}
|
|
|
|
nsAutoString substituteName((PRUnichar*) aliasName);
|
|
nsAutoString actualFontName((PRUnichar*) actualName);
|
|
RemoveCharsetFromFontSubstitute(substituteName);
|
|
BuildKeyNameFromFontName(substituteName);
|
|
RemoveCharsetFromFontSubstitute(actualFontName);
|
|
BuildKeyNameFromFontName(actualFontName);
|
|
gfxFontFamily *ff;
|
|
if (!actualFontName.IsEmpty() &&
|
|
(ff = mFontFamilies.GetWeak(actualFontName))) {
|
|
mFontSubstitutes.Put(substituteName, ff);
|
|
} else {
|
|
mNonExistingFonts.AppendElement(substituteName);
|
|
}
|
|
}
|
|
|
|
// "Courier" on a default Windows install is an ugly bitmap font.
|
|
// If there is no substitution for Courier in the registry
|
|
// substitute "Courier" with "Courier New".
|
|
nsAutoString substituteName;
|
|
substituteName.AssignLiteral("Courier");
|
|
BuildKeyNameFromFontName(substituteName);
|
|
if (!mFontSubstitutes.GetWeak(substituteName)) {
|
|
gfxFontFamily *ff;
|
|
nsAutoString actualFontName;
|
|
actualFontName.AssignLiteral("Courier New");
|
|
BuildKeyNameFromFontName(actualFontName);
|
|
ff = mFontFamilies.GetWeak(actualFontName);
|
|
if (ff) {
|
|
mFontSubstitutes.Put(substituteName, ff);
|
|
}
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult
|
|
gfxGDIFontList::InitFontList()
|
|
{
|
|
Telemetry::AutoTimer<Telemetry::GDI_INITFONTLIST_TOTAL> timer;
|
|
gfxFontCache *fc = gfxFontCache::GetCache();
|
|
if (fc)
|
|
fc->AgeAllGenerations();
|
|
|
|
// reset font lists
|
|
gfxPlatformFontList::InitFontList();
|
|
|
|
mFontSubstitutes.Clear();
|
|
mNonExistingFonts.Clear();
|
|
|
|
// iterate over available families
|
|
LOGFONTW logfont;
|
|
memset(&logfont, 0, sizeof(logfont));
|
|
logfont.lfCharSet = DEFAULT_CHARSET;
|
|
|
|
AutoDC hdc;
|
|
int result = EnumFontFamiliesExW(hdc.GetDC(), &logfont,
|
|
(FONTENUMPROCW)&EnumFontFamExProc,
|
|
0, 0);
|
|
|
|
GetFontSubstitutes();
|
|
|
|
GetPrefsAndStartLoader();
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
int CALLBACK
|
|
gfxGDIFontList::EnumFontFamExProc(ENUMLOGFONTEXW *lpelfe,
|
|
NEWTEXTMETRICEXW *lpntme,
|
|
DWORD fontType,
|
|
LPARAM lParam)
|
|
{
|
|
const LOGFONTW& lf = lpelfe->elfLogFont;
|
|
|
|
if (lf.lfFaceName[0] == '@') {
|
|
return 1;
|
|
}
|
|
|
|
nsAutoString name(lf.lfFaceName);
|
|
BuildKeyNameFromFontName(name);
|
|
|
|
gfxGDIFontList *fontList = PlatformFontList();
|
|
|
|
if (!fontList->mFontFamilies.GetWeak(name)) {
|
|
nsDependentString faceName(lf.lfFaceName);
|
|
nsRefPtr<gfxFontFamily> family = new GDIFontFamily(faceName);
|
|
fontList->mFontFamilies.Put(name, family);
|
|
|
|
// if locale is such that CJK font names are the default coming from
|
|
// GDI, then if a family name is non-ASCII immediately read in other
|
|
// family names. This assures that MS Gothic, MS Mincho are all found
|
|
// before lookups begin.
|
|
if (!IsASCII(faceName)) {
|
|
family->ReadOtherFamilyNames(gfxPlatformFontList::PlatformFontList());
|
|
}
|
|
|
|
if (fontList->mBadUnderlineFamilyNames.Contains(name))
|
|
family->SetBadUnderlineFamily();
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
gfxFontEntry*
|
|
gfxGDIFontList::LookupLocalFont(const gfxProxyFontEntry *aProxyEntry,
|
|
const nsAString& aFullname)
|
|
{
|
|
gfxFontEntry *lookup;
|
|
|
|
// initialize name lookup tables if needed
|
|
if (!mFaceNamesInitialized) {
|
|
InitFaceNameLists();
|
|
}
|
|
|
|
// lookup in name lookup tables, return null if not found
|
|
if (!(lookup = mExtraNames->mPostscriptNames.GetWeak(aFullname)) &&
|
|
!(lookup = mExtraNames->mFullnames.GetWeak(aFullname)))
|
|
{
|
|
return nullptr;
|
|
}
|
|
|
|
bool isCFF = false; // jtdfix -- need to determine this
|
|
|
|
// use the face name from the lookup font entry, which will be the localized
|
|
// face name which GDI mapping tables use (e.g. with the system locale set to
|
|
// Dutch, a fullname of 'Arial Bold' will find a font entry with the face name
|
|
// 'Arial Vet' which can be used as a key in GDI font lookups).
|
|
GDIFontEntry *fe = GDIFontEntry::CreateFontEntry(lookup->Name(),
|
|
gfxWindowsFontType(isCFF ? GFX_FONT_TYPE_PS_OPENTYPE : GFX_FONT_TYPE_TRUETYPE) /*type*/,
|
|
lookup->mItalic ? NS_FONT_STYLE_ITALIC : NS_FONT_STYLE_NORMAL,
|
|
lookup->mWeight, aProxyEntry->mStretch, nullptr,
|
|
static_cast<GDIFontEntry*>(lookup)->mFamilyHasItalicFace);
|
|
|
|
if (!fe)
|
|
return nullptr;
|
|
|
|
fe->mIsUserFont = true;
|
|
fe->mIsLocalUserFont = true;
|
|
|
|
// make the new font entry match the proxy entry style characteristics
|
|
fe->mWeight = (aProxyEntry->mWeight == 0 ? 400 : aProxyEntry->mWeight);
|
|
fe->mItalic = aProxyEntry->mItalic;
|
|
|
|
return fe;
|
|
}
|
|
|
|
gfxFontEntry*
|
|
gfxGDIFontList::MakePlatformFont(const gfxProxyFontEntry *aProxyEntry,
|
|
const uint8_t *aFontData,
|
|
uint32_t aLength)
|
|
{
|
|
// MakePlatformFont is responsible for deleting the font data with NS_Free
|
|
// so we set up a stack object to ensure it is freed even if we take an
|
|
// early exit
|
|
struct FontDataDeleter {
|
|
FontDataDeleter(const uint8_t *aFontData)
|
|
: mFontData(aFontData) { }
|
|
~FontDataDeleter() { NS_Free((void*)mFontData); }
|
|
const uint8_t *mFontData;
|
|
};
|
|
FontDataDeleter autoDelete(aFontData);
|
|
|
|
bool isCFF = gfxFontUtils::IsCffFont(aFontData);
|
|
|
|
nsresult rv;
|
|
HANDLE fontRef = nullptr;
|
|
|
|
nsAutoString uniqueName;
|
|
rv = gfxFontUtils::MakeUniqueUserFontName(uniqueName);
|
|
if (NS_FAILED(rv))
|
|
return nullptr;
|
|
|
|
FallibleTArray<uint8_t> newFontData;
|
|
|
|
rv = gfxFontUtils::RenameFont(uniqueName, aFontData, aLength, &newFontData);
|
|
|
|
if (NS_FAILED(rv))
|
|
return nullptr;
|
|
|
|
DWORD numFonts = 0;
|
|
|
|
uint8_t *fontData = reinterpret_cast<uint8_t*> (newFontData.Elements());
|
|
uint32_t fontLength = newFontData.Length();
|
|
NS_ASSERTION(fontData, "null font data after renaming");
|
|
|
|
// http://msdn.microsoft.com/en-us/library/ms533942(VS.85).aspx
|
|
// "A font that is added by AddFontMemResourceEx is always private
|
|
// to the process that made the call and is not enumerable."
|
|
fontRef = AddFontMemResourceEx(fontData, fontLength,
|
|
0 /* reserved */, &numFonts);
|
|
if (!fontRef)
|
|
return nullptr;
|
|
|
|
// only load fonts with a single face contained in the data
|
|
// AddFontMemResourceEx generates an additional face name for
|
|
// vertical text if the font supports vertical writing but since
|
|
// the font is referenced via the name this can be ignored
|
|
if (fontRef && numFonts > 2) {
|
|
RemoveFontMemResourceEx(fontRef);
|
|
return nullptr;
|
|
}
|
|
|
|
// make a new font entry using the unique name
|
|
WinUserFontData *winUserFontData = new WinUserFontData(fontRef);
|
|
uint16_t w = (aProxyEntry->mWeight == 0 ? 400 : aProxyEntry->mWeight);
|
|
|
|
GDIFontEntry *fe = GDIFontEntry::CreateFontEntry(uniqueName,
|
|
gfxWindowsFontType(isCFF ? GFX_FONT_TYPE_PS_OPENTYPE : GFX_FONT_TYPE_TRUETYPE) /*type*/,
|
|
uint32_t(aProxyEntry->mItalic ? NS_FONT_STYLE_ITALIC : NS_FONT_STYLE_NORMAL),
|
|
w, aProxyEntry->mStretch, winUserFontData, false);
|
|
|
|
if (!fe)
|
|
return fe;
|
|
|
|
fe->mIsUserFont = true;
|
|
|
|
// Uniscribe doesn't place CFF fonts loaded privately
|
|
// via AddFontMemResourceEx on XP/Vista
|
|
if (isCFF && !IsWin7OrLater()) {
|
|
fe->mForceGDI = true;
|
|
}
|
|
|
|
return fe;
|
|
}
|
|
|
|
gfxFontFamily*
|
|
gfxGDIFontList::GetDefaultFont(const gfxFontStyle* aStyle)
|
|
{
|
|
// this really shouldn't fail to find a font....
|
|
HGDIOBJ hGDI = ::GetStockObject(DEFAULT_GUI_FONT);
|
|
LOGFONTW logFont;
|
|
if (hGDI && ::GetObjectW(hGDI, sizeof(logFont), &logFont)) {
|
|
nsAutoString resolvedName;
|
|
if (ResolveFontName(nsDependentString(logFont.lfFaceName), resolvedName)) {
|
|
return FindFamily(resolvedName);
|
|
}
|
|
}
|
|
|
|
// ...but just in case, try another approach as well
|
|
NONCLIENTMETRICSW ncm;
|
|
ncm.cbSize = sizeof(ncm);
|
|
BOOL status = ::SystemParametersInfoW(SPI_GETNONCLIENTMETRICS,
|
|
sizeof(ncm), &ncm, 0);
|
|
if (status) {
|
|
nsAutoString resolvedName;
|
|
if (ResolveFontName(nsDependentString(ncm.lfMessageFont.lfFaceName), resolvedName)) {
|
|
return FindFamily(resolvedName);
|
|
}
|
|
}
|
|
|
|
return nullptr;
|
|
}
|
|
|
|
|
|
bool
|
|
gfxGDIFontList::ResolveFontName(const nsAString& aFontName, nsAString& aResolvedFontName)
|
|
{
|
|
nsAutoString keyName(aFontName);
|
|
BuildKeyNameFromFontName(keyName);
|
|
|
|
gfxFontFamily *ff = mFontSubstitutes.GetWeak(keyName);
|
|
if (ff) {
|
|
aResolvedFontName = ff->Name();
|
|
return true;
|
|
}
|
|
|
|
if (mNonExistingFonts.Contains(keyName))
|
|
return false;
|
|
|
|
if (gfxPlatformFontList::ResolveFontName(aFontName, aResolvedFontName))
|
|
return true;
|
|
|
|
return false;
|
|
}
|
|
|
|
void
|
|
gfxGDIFontList::AddSizeOfExcludingThis(MallocSizeOf aMallocSizeOf,
|
|
FontListSizes* aSizes) const
|
|
{
|
|
gfxPlatformFontList::AddSizeOfExcludingThis(aMallocSizeOf, aSizes);
|
|
aSizes->mFontListSize +=
|
|
mFontSubstitutes.SizeOfExcludingThis(SizeOfFamilyNameEntryExcludingThis,
|
|
aMallocSizeOf);
|
|
aSizes->mFontListSize +=
|
|
mNonExistingFonts.SizeOfExcludingThis(aMallocSizeOf);
|
|
for (uint32_t i = 0; i < mNonExistingFonts.Length(); ++i) {
|
|
aSizes->mFontListSize +=
|
|
mNonExistingFonts[i].SizeOfExcludingThisIfUnshared(aMallocSizeOf);
|
|
}
|
|
}
|
|
|
|
void
|
|
gfxGDIFontList::AddSizeOfIncludingThis(MallocSizeOf aMallocSizeOf,
|
|
FontListSizes* aSizes) const
|
|
{
|
|
aSizes->mFontListSize += aMallocSizeOf(this);
|
|
AddSizeOfExcludingThis(aMallocSizeOf, aSizes);
|
|
}
|