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gecko-dev/gfx/thebes/gfxDWriteFontList.cpp

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/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Mozilla Foundation code.
*
* The Initial Developer of the Original Code is Mozilla Foundation.
* Portions created by the Initial Developer are Copyright (C) 2010
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Bas Schouten <bschouten@mozilla.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#ifdef MOZ_LOGGING
#define FORCE_PR_LOG /* Allow logging in the release build */
#endif /* MOZ_LOGGING */
#include "gfxDWriteFontList.h"
#include "gfxDWriteFonts.h"
#include "nsUnicharUtils.h"
#include "nsILocaleService.h"
#include "nsServiceManagerUtils.h"
#include "nsCharSeparatedTokenizer.h"
#include "mozilla/Preferences.h"
#include "gfxGDIFontList.h"
#include "nsIWindowsRegKey.h"
using namespace mozilla;
#ifdef PR_LOGGING
#define LOG_FONTLIST(args) PR_LOG(gfxPlatform::GetLog(eGfxLog_fontlist), \
PR_LOG_DEBUG, args)
#define LOG_FONTLIST_ENABLED() PR_LOG_TEST( \
gfxPlatform::GetLog(eGfxLog_fontlist), \
PR_LOG_DEBUG)
#define LOG_FONTINIT(args) PR_LOG(gfxPlatform::GetLog(eGfxLog_fontinit), \
PR_LOG_DEBUG, args)
#define LOG_FONTINIT_ENABLED() PR_LOG_TEST( \
gfxPlatform::GetLog(eGfxLog_fontinit), \
PR_LOG_DEBUG)
#endif // PR_LOGGING
// font info loader constants
// avoid doing this during startup even on slow machines but try to start
// it soon enough so that system fallback doesn't happen first
static const PRUint32 kDelayBeforeLoadingFonts = 120 * 1000; // 2 minutes after init
static const PRUint32 kIntervalBetweenLoadingFonts = 2000; // every 2 seconds until complete
static __inline void
BuildKeyNameFromFontName(nsAString &aName)
{
if (aName.Length() >= LF_FACESIZE)
aName.Truncate(LF_FACESIZE - 1);
ToLowerCase(aName);
}
////////////////////////////////////////////////////////////////////////////////
// gfxDWriteFontFamily
gfxDWriteFontFamily::~gfxDWriteFontFamily()
{
}
void
gfxDWriteFontFamily::FindStyleVariations()
{
HRESULT hr;
if (mHasStyles) {
return;
}
mHasStyles = PR_TRUE;
for (UINT32 i = 0; i < mDWFamily->GetFontCount(); i++) {
nsRefPtr<IDWriteFont> font;
hr = mDWFamily->GetFont(i, getter_AddRefs(font));
if (FAILED(hr)) {
// This should never happen.
NS_WARNING("Failed to get existing font from family.");
continue;
}
if (font->GetSimulations() & DWRITE_FONT_SIMULATIONS_OBLIQUE) {
// We don't want these.
continue;
}
nsRefPtr<IDWriteLocalizedStrings> names;
hr = font->GetFaceNames(getter_AddRefs(names));
if (FAILED(hr)) {
continue;
}
BOOL exists;
nsAutoTArray<WCHAR,32> faceName;
UINT32 englishIdx = 0;
hr = names->FindLocaleName(L"en-us", &englishIdx, &exists);
if (FAILED(hr)) {
continue;
}
if (!exists) {
// No english found, use whatever is first in the list.
englishIdx = 0;
}
UINT32 length;
hr = names->GetStringLength(englishIdx, &length);
if (FAILED(hr)) {
continue;
}
if (!faceName.SetLength(length + 1)) {
// Eeep - running out of memory. Unlikely to end well.
continue;
}
hr = names->GetString(englishIdx, faceName.Elements(), length + 1);
if (FAILED(hr)) {
continue;
}
nsString fullID(mName);
fullID.Append(NS_LITERAL_STRING(" "));
fullID.Append(faceName.Elements());
/**
* Faces do not have a localized name so we just put the en-us name in
* here.
*/
gfxDWriteFontEntry *fe =
new gfxDWriteFontEntry(fullID, font);
fe->SetForceGDIClassic(mForceGDIClassic);
AddFontEntry(fe);
#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(Name()).get(),
(fe->IsItalic()) ? "italic" : "normal",
fe->Weight(), fe->Stretch()));
}
#endif
}
if (!mAvailableFonts.Length()) {
NS_WARNING("Family with no font faces in it.");
}
if (mIsBadUnderlineFamily) {
SetBadUnderlineFonts();
}
}
void
gfxDWriteFontFamily::LocalizedName(nsAString &aLocalizedName)
{
aLocalizedName.AssignLiteral("Unknown Font");
HRESULT hr;
nsresult rv;
nsCOMPtr<nsILocaleService> ls = do_GetService(NS_LOCALESERVICE_CONTRACTID,
&rv);
nsCOMPtr<nsILocale> locale;
rv = ls->GetApplicationLocale(getter_AddRefs(locale));
nsString localeName;
if (NS_SUCCEEDED(rv)) {
rv = locale->GetCategory(NS_LITERAL_STRING(NSILOCALE_MESSAGE),
localeName);
}
if (NS_FAILED(rv)) {
localeName.AssignLiteral("en-us");
}
nsRefPtr<IDWriteLocalizedStrings> names;
hr = mDWFamily->GetFamilyNames(getter_AddRefs(names));
if (FAILED(hr)) {
return;
}
UINT32 idx = 0;
BOOL exists;
hr = names->FindLocaleName(localeName.BeginReading(),
&idx,
&exists);
if (FAILED(hr)) {
return;
}
if (!exists) {
// Use english is localized is not found.
hr = names->FindLocaleName(L"en-us", &idx, &exists);
if (FAILED(hr)) {
return;
}
if (!exists) {
// Use 0 index if english is not found.
idx = 0;
}
}
nsAutoTArray<WCHAR, 32> famName;
UINT32 length;
hr = names->GetStringLength(idx, &length);
if (FAILED(hr)) {
return;
}
if (!famName.SetLength(length + 1)) {
// Eeep - running out of memory. Unlikely to end well.
return;
}
hr = names->GetString(idx, famName.Elements(), length + 1);
if (FAILED(hr)) {
return;
}
aLocalizedName = nsDependentString(famName.Elements());
}
////////////////////////////////////////////////////////////////////////////////
// gfxDWriteFontEntry
gfxDWriteFontEntry::~gfxDWriteFontEntry()
{
}
PRBool
gfxDWriteFontEntry::IsSymbolFont()
{
if (mFont) {
return mFont->IsSymbolFont();
} else {
return PR_FALSE;
}
}
static bool
UsingArabicScriptSystemLocale()
{
LANGID langid = PRIMARYLANGID(::GetSystemDefaultLangID());
switch (langid) {
case LANG_ARABIC:
case LANG_DARI:
case LANG_PASHTO:
case LANG_PERSIAN:
case LANG_SINDHI:
case LANG_UIGHUR:
case LANG_URDU:
return true;
default:
return false;
}
}
nsresult
gfxDWriteFontEntry::GetFontTable(PRUint32 aTableTag,
FallibleTArray<PRUint8> &aBuffer)
{
gfxDWriteFontList *pFontList = gfxDWriteFontList::PlatformFontList();
// don't use GDI table loading for symbol fonts or for
// italic fonts in Arabic-script system locales because of
// potential cmap discrepancies, see bug 629386
if (mFont && pFontList->UseGDIFontTableAccess() &&
!(mItalic && UsingArabicScriptSystemLocale()) &&
!mFont->IsSymbolFont())
{
LOGFONTW logfont = { 0 };
if (!InitLogFont(mFont, &logfont))
return NS_ERROR_FAILURE;
AutoDC dc;
AutoSelectFont font(dc.GetDC(), &logfont);
if (font.IsValid()) {
PRInt32 tableSize =
::GetFontData(dc.GetDC(), NS_SWAP32(aTableTag), 0, NULL, NULL);
if (tableSize != GDI_ERROR) {
if (aBuffer.SetLength(tableSize)) {
::GetFontData(dc.GetDC(), NS_SWAP32(aTableTag), 0,
aBuffer.Elements(), aBuffer.Length());
return NS_OK;
}
return NS_ERROR_OUT_OF_MEMORY;
}
}
return NS_ERROR_FAILURE;
}
HRESULT hr;
nsresult rv;
nsRefPtr<IDWriteFontFace> fontFace;
rv = CreateFontFace(getter_AddRefs(fontFace));
if (NS_FAILED(rv)) {
return rv;
}
PRUint8 *tableData;
PRUint32 len;
void *tableContext = NULL;
BOOL exists;
hr = fontFace->TryGetFontTable(NS_SWAP32(aTableTag),
(const void**)&tableData,
&len,
&tableContext,
&exists);
if (FAILED(hr) || !exists) {
return NS_ERROR_FAILURE;
}
if (!aBuffer.SetLength(len)) {
return NS_ERROR_OUT_OF_MEMORY;
}
memcpy(aBuffer.Elements(), tableData, len);
if (tableContext) {
fontFace->ReleaseFontTable(&tableContext);
}
return NS_OK;
}
nsresult
gfxDWriteFontEntry::ReadCMAP()
{
HRESULT hr;
nsresult rv;
// attempt this once, if errors occur leave a blank cmap
if (mCmapInitialized)
return NS_OK;
mCmapInitialized = PR_TRUE;
// if loading via GDI, just use GetFontTable
if (mFont && gfxDWriteFontList::PlatformFontList()->UseGDIFontTableAccess()) {
const PRUint32 kCmapTag = TRUETYPE_TAG('c','m','a','p');
AutoFallibleTArray<PRUint8,16384> buffer;
if (GetFontTable(kCmapTag, buffer) != NS_OK)
return NS_ERROR_FAILURE;
PRUint8 *cmap = buffer.Elements();
PRPackedBool unicodeFont = PR_FALSE, symbolFont = PR_FALSE;
rv = gfxFontUtils::ReadCMAP(cmap, buffer.Length(),
mCharacterMap, mUVSOffset,
unicodeFont, symbolFont);
mHasCmapTable = NS_SUCCEEDED(rv);
return rv;
}
// loading using dwrite, don't use GetFontTable to avoid copy
nsRefPtr<IDWriteFontFace> fontFace;
rv = CreateFontFace(getter_AddRefs(fontFace));
if (NS_FAILED(rv)) {
return rv;
}
PRUint8 *tableData;
PRUint32 len;
void *tableContext = NULL;
BOOL exists;
hr = fontFace->TryGetFontTable(DWRITE_MAKE_OPENTYPE_TAG('c', 'm', 'a', 'p'),
(const void**)&tableData,
&len,
&tableContext,
&exists);
if (FAILED(hr)) {
return NS_ERROR_FAILURE;
}
PRPackedBool isSymbol = fontFace->IsSymbolFont();
PRPackedBool isUnicode = PR_TRUE;
if (exists) {
rv = gfxFontUtils::ReadCMAP(tableData,
len,
mCharacterMap,
mUVSOffset,
isUnicode,
isSymbol);
}
fontFace->ReleaseFontTable(tableContext);
#ifdef PR_LOGGING
LOG_FONTLIST(("(fontlist-cmap) name: %s, size: %d\n",
NS_ConvertUTF16toUTF8(mName).get(), mCharacterMap.GetSize()));
#endif
mHasCmapTable = NS_SUCCEEDED(rv);
return rv;
}
gfxFont *
gfxDWriteFontEntry::CreateFontInstance(const gfxFontStyle* aFontStyle,
PRBool aNeedsBold)
{
return new gfxDWriteFont(this, aFontStyle, aNeedsBold);
}
nsresult
gfxDWriteFontEntry::CreateFontFace(IDWriteFontFace **aFontFace,
DWRITE_FONT_SIMULATIONS aSimulations)
{
HRESULT hr;
if (mFont) {
hr = mFont->CreateFontFace(aFontFace);
} else if (mFontFile) {
IDWriteFontFile *fontFile = mFontFile.get();
hr = gfxWindowsPlatform::GetPlatform()->GetDWriteFactory()->
CreateFontFace(mFaceType,
1,
&fontFile,
0,
aSimulations,
aFontFace);
}
if (FAILED(hr)) {
return NS_ERROR_FAILURE;
}
return NS_OK;
}
PRBool
gfxDWriteFontEntry::InitLogFont(IDWriteFont *aFont, LOGFONTW *aLogFont)
{
HRESULT hr;
BOOL isInSystemCollection;
IDWriteGdiInterop *gdi =
gfxDWriteFontList::PlatformFontList()->GetGDIInterop();
hr = gdi->ConvertFontToLOGFONT(aFont, aLogFont, &isInSystemCollection);
return (FAILED(hr) ? PR_FALSE : PR_TRUE);
}
PRBool
gfxDWriteFontEntry::IsCJKFont()
{
if (mIsCJK != UNINITIALIZED_VALUE) {
return mIsCJK;
}
mIsCJK = PR_FALSE;
const PRUint32 kOS2Tag = TRUETYPE_TAG('O','S','/','2');
AutoFallibleTArray<PRUint8,128> buffer;
if (GetFontTable(kOS2Tag, buffer) != NS_OK) {
return mIsCJK;
}
// ulCodePageRange bit definitions for the CJK codepages,
// from http://www.microsoft.com/typography/otspec/os2.htm#cpr
const PRUint32 CJK_CODEPAGE_BITS =
(1 << 17) | // codepage 932 - JIS/Japan
(1 << 18) | // codepage 936 - Chinese (simplified)
(1 << 19) | // codepage 949 - Korean Wansung
(1 << 20) | // codepage 950 - Chinese (traditional)
(1 << 21); // codepage 1361 - Korean Johab
if (buffer.Length() >= offsetof(OS2Table, sxHeight)) {
const OS2Table* os2 =
reinterpret_cast<const OS2Table*>(buffer.Elements());
if ((PRUint32(os2->codePageRange1) & CJK_CODEPAGE_BITS) != 0) {
mIsCJK = PR_TRUE;
}
}
return mIsCJK;
}
////////////////////////////////////////////////////////////////////////////////
// gfxDWriteFontList
gfxDWriteFontList::gfxDWriteFontList()
: mInitialized(PR_FALSE), mForceGDIClassicMaxFontSize(0.0)
{
mFontSubstitutes.Init();
}
// bug 602792 - CJK systems default to large CJK fonts which cause excessive
// I/O strain during cold startup due to dwrite caching bugs. Default to
// Arial to avoid this.
gfxFontEntry *
gfxDWriteFontList::GetDefaultFont(const gfxFontStyle *aStyle,
PRBool &aNeedsBold)
{
nsAutoString resolvedName;
// try Arial first
if (ResolveFontName(NS_LITERAL_STRING("Arial"), resolvedName)) {
return FindFontForFamily(resolvedName, aStyle, aNeedsBold);
}
// otherwise, use local default
NONCLIENTMETRICSW ncm;
ncm.cbSize = sizeof(ncm);
BOOL status = ::SystemParametersInfoW(SPI_GETNONCLIENTMETRICS,
sizeof(ncm), &ncm, 0);
if (status) {
if (ResolveFontName(nsDependentString(ncm.lfMessageFont.lfFaceName),
resolvedName)) {
return FindFontForFamily(resolvedName, aStyle, aNeedsBold);
}
}
return nsnull;
}
gfxFontEntry *
gfxDWriteFontList::LookupLocalFont(const gfxProxyFontEntry *aProxyEntry,
const nsAString& aFullname)
{
PRBool found;
gfxFontEntry *lookup;
// initialize name lookup tables if needed
if (!mFaceNamesInitialized) {
InitFaceNameLists();
}
// lookup in name lookup tables, return null if not found
if (!(lookup = mPostscriptNames.GetWeak(aFullname, &found)) &&
!(lookup = mFullnames.GetWeak(aFullname, &found)))
{
return nsnull;
}
gfxDWriteFontEntry* dwriteLookup = static_cast<gfxDWriteFontEntry*>(lookup);
gfxDWriteFontEntry *fe =
new gfxDWriteFontEntry(lookup->Name(),
dwriteLookup->mFont,
aProxyEntry->Weight(),
aProxyEntry->Stretch(),
aProxyEntry->IsItalic());
fe->SetForceGDIClassic(dwriteLookup->GetForceGDIClassic());
return fe;
}
gfxFontEntry *
gfxDWriteFontList::MakePlatformFont(const gfxProxyFontEntry *aProxyEntry,
const PRUint8 *aFontData,
PRUint32 aLength)
{
nsresult rv;
nsAutoString uniqueName;
rv = gfxFontUtils::MakeUniqueUserFontName(uniqueName);
if (NS_FAILED(rv)) {
NS_Free((void*)aFontData);
return nsnull;
}
FallibleTArray<PRUint8> newFontData;
rv = gfxFontUtils::RenameFont(uniqueName, aFontData, aLength, &newFontData);
NS_Free((void*)aFontData);
if (NS_FAILED(rv)) {
return nsnull;
}
DWORD numFonts = 0;
nsRefPtr<IDWriteFontFile> fontFile;
HRESULT hr;
/**
* We pass in a pointer to a structure containing a pointer to the array
* containing the font data and a unique identifier. DWrite will
* internally copy what is at that pointer, and pass that to
* CreateStreamFromKey. The array will be empty when the function
* succesfully returns since it swaps out the data.
*/
ffReferenceKey key;
key.mArray = &newFontData;
nsCOMPtr<nsIUUIDGenerator> uuidgen =
do_GetService("@mozilla.org/uuid-generator;1");
if (!uuidgen) {
return nsnull;
}
rv = uuidgen->GenerateUUIDInPlace(&key.mGUID);
if (NS_FAILED(rv)) {
return nsnull;
}
hr = gfxWindowsPlatform::GetPlatform()->GetDWriteFactory()->
CreateCustomFontFileReference(&key,
sizeof(key),
gfxDWriteFontFileLoader::Instance(),
getter_AddRefs(fontFile));
if (FAILED(hr)) {
NS_WARNING("Failed to create custom font file reference.");
return nsnull;
}
BOOL isSupported;
DWRITE_FONT_FILE_TYPE fileType;
UINT32 numFaces;
PRUint16 w = (aProxyEntry->mWeight == 0 ? 400 : aProxyEntry->mWeight);
gfxDWriteFontEntry *entry =
new gfxDWriteFontEntry(uniqueName,
fontFile,
aProxyEntry->Weight(),
aProxyEntry->Stretch(),
aProxyEntry->IsItalic());
fontFile->Analyze(&isSupported, &fileType, &entry->mFaceType, &numFaces);
if (!isSupported || numFaces > 1) {
// We don't know how to deal with 0 faces either.
delete entry;
return nsnull;
}
return entry;
}
#ifdef DEBUG_DWRITE_STARTUP
#define LOGREGISTRY(msg) LogRegistryEvent(msg)
// for use when monitoring process
static void LogRegistryEvent(const wchar_t *msg)
{
HKEY dummyKey;
HRESULT hr;
wchar_t buf[512];
wsprintfW(buf, L" log %s", msg);
hr = RegOpenKeyExW(HKEY_LOCAL_MACHINE, buf, 0, KEY_READ, &dummyKey);
if (SUCCEEDED(hr)) {
RegCloseKey(dummyKey);
}
}
#else
#define LOGREGISTRY(msg)
#endif
nsresult
gfxDWriteFontList::InitFontList()
{
LOGREGISTRY(L"InitFontList start");
mInitialized = PR_FALSE;
#ifdef PR_LOGGING
LARGE_INTEGER frequency; // ticks per second
LARGE_INTEGER t1, t2, t3; // ticks
double elapsedTime, upTime;
char nowTime[256], nowDate[256];
if (LOG_FONTINIT_ENABLED()) {
GetTimeFormat(LOCALE_INVARIANT, TIME_FORCE24HOURFORMAT,
NULL, NULL, nowTime, 256);
GetDateFormat(LOCALE_INVARIANT, NULL, NULL, NULL, nowDate, 256);
upTime = (double) GetTickCount();
QueryPerformanceFrequency(&frequency);
QueryPerformanceCounter(&t1);
}
#endif
HRESULT hr;
gfxFontCache *fc = gfxFontCache::GetCache();
if (fc) {
fc->AgeAllGenerations();
}
mGDIFontTableAccess = Preferences::GetBool("gfx.font_rendering.directwrite.use_gdi_table_loading", PR_FALSE);
gfxPlatformFontList::InitFontList();
mFontSubstitutes.Clear();
mNonExistingFonts.Clear();
#ifdef PR_LOGGING
if (LOG_FONTINIT_ENABLED()) {
QueryPerformanceCounter(&t2);
}
#endif
hr = gfxWindowsPlatform::GetPlatform()->GetDWriteFactory()->
GetGdiInterop(getter_AddRefs(mGDIInterop));
if (FAILED(hr)) {
return NS_ERROR_FAILURE;
}
LOGREGISTRY(L"InitFontList end");
#ifdef PR_LOGGING
if (LOG_FONTINIT_ENABLED()) {
QueryPerformanceCounter(&t3);
// determine dwrite version
nsAutoString dwriteVers;
gfxWindowsPlatform::GetDLLVersion(L"dwrite.dll", dwriteVers);
LOG_FONTINIT(("InitFontList\n"));
LOG_FONTINIT(("Start: %s %s\n", nowDate, nowTime));
LOG_FONTINIT(("Uptime: %9.3f s\n", upTime/1000));
LOG_FONTINIT(("dwrite version: %s\n",
NS_ConvertUTF16toUTF8(dwriteVers).get()));
elapsedTime = (t3.QuadPart - t1.QuadPart) * 1000.0 / frequency.QuadPart;
LOG_FONTINIT(("Total time in InitFontList: %9.3f ms\n", elapsedTime));
elapsedTime = (t2.QuadPart - t1.QuadPart) * 1000.0 / frequency.QuadPart;
LOG_FONTINIT((" --- gfxPlatformFontList init: %9.3f ms\n", elapsedTime));
elapsedTime = (t3.QuadPart - t2.QuadPart) * 1000.0 / frequency.QuadPart;
LOG_FONTINIT((" --- GdiInterop object: %9.3f ms\n", elapsedTime));
}
#endif
return NS_OK;
}
nsresult
gfxDWriteFontList::DelayedInitFontList()
{
LOGREGISTRY(L"DelayedInitFontList start");
#ifdef PR_LOGGING
LARGE_INTEGER frequency; // ticks per second
LARGE_INTEGER t1, t2, t3; // ticks
double elapsedTime, upTime;
char nowTime[256], nowDate[256];
if (LOG_FONTINIT_ENABLED()) {
GetTimeFormat(LOCALE_INVARIANT, TIME_FORCE24HOURFORMAT,
NULL, NULL, nowTime, 256);
GetDateFormat(LOCALE_INVARIANT, NULL, NULL, NULL, nowDate, 256);
upTime = (double) GetTickCount();
QueryPerformanceFrequency(&frequency);
QueryPerformanceCounter(&t1);
}
#endif
HRESULT hr;
LOGREGISTRY(L"calling GetSystemFontCollection");
nsRefPtr<IDWriteFontCollection> systemFonts;
hr = gfxWindowsPlatform::GetPlatform()->GetDWriteFactory()->
GetSystemFontCollection(getter_AddRefs(systemFonts));
NS_ASSERTION(SUCCEEDED(hr), "GetSystemFontCollection failed!");
LOGREGISTRY(L"GetSystemFontCollection done");
if (FAILED(hr)) {
return NS_ERROR_FAILURE;
}
#ifdef PR_LOGGING
if (LOG_FONTINIT_ENABLED()) {
QueryPerformanceCounter(&t2);
}
#endif
for (UINT32 i = 0; i < systemFonts->GetFontFamilyCount(); i++) {
nsRefPtr<IDWriteFontFamily> family;
systemFonts->GetFontFamily(i, getter_AddRefs(family));
nsRefPtr<IDWriteLocalizedStrings> names;
hr = family->GetFamilyNames(getter_AddRefs(names));
if (FAILED(hr)) {
continue;
}
UINT32 englishIdx = 0;
BOOL exists;
hr = names->FindLocaleName(L"en-us", &englishIdx, &exists);
if (FAILED(hr)) {
continue;
}
if (!exists) {
// Use 0 index if english is not found.
englishIdx = 0;
}
nsAutoTArray<WCHAR, 32> enName;
UINT32 length;
hr = names->GetStringLength(englishIdx, &length);
if (FAILED(hr)) {
continue;
}
if (!enName.SetLength(length + 1)) {
// Eeep - running out of memory. Unlikely to end well.
continue;
}
hr = names->GetString(englishIdx, enName.Elements(), length + 1);
if (FAILED(hr)) {
continue;
}
nsAutoString name(enName.Elements());
BuildKeyNameFromFontName(name);
nsRefPtr<gfxFontFamily> fam;
if (mFontFamilies.GetWeak(name)) {
continue;
}
nsDependentString familyName(enName.Elements());
fam = new gfxDWriteFontFamily(familyName, family);
if (!fam) {
continue;
}
if (mBadUnderlineFamilyNames.Contains(name)) {
fam->SetBadUnderlineFamily();
}
mFontFamilies.Put(name, fam);
// now add other family name localizations, if present
PRUint32 nameCount = names->GetCount();
PRUint32 nameIndex;
for (nameIndex = 0; nameIndex < nameCount; nameIndex++) {
UINT32 nameLen;
nsAutoTArray<WCHAR, 32> localizedName;
// only add other names
if (nameIndex == englishIdx) {
continue;
}
hr = names->GetStringLength(nameIndex, &nameLen);
if (FAILED(hr)) {
continue;
}
if (!localizedName.SetLength(nameLen + 1)) {
continue;
}
hr = names->GetString(nameIndex, localizedName.Elements(),
nameLen + 1);
if (FAILED(hr)) {
continue;
}
nsDependentString locName(localizedName.Elements());
if (!familyName.Equals(locName)) {
AddOtherFamilyName(fam, locName);
}
}
// at this point, all family names have been read in
fam->SetOtherFamilyNamesInitialized();
}
mOtherFamilyNamesInitialized = PR_TRUE;
GetFontSubstitutes();
// bug 642093 - DirectWrite does not support old bitmap (.fon)
// font files, but a few of these such as "Courier" and "MS Sans Serif"
// are frequently specified in shoddy CSS, without appropriate fallbacks.
// By mapping these to TrueType equivalents, we provide better consistency
// with both pre-DW systems and with IE9, which appears to do the same.
GetDirectWriteSubstitutes();
// bug 551313 - DirectWrite creates a Gill Sans family out of
// poorly named members of the Gill Sans MT family containing
// only Ultra Bold weights. This causes big problems for pages
// using Gill Sans which is usually only available on OSX
nsAutoString nameGillSans(L"Gill Sans");
nsAutoString nameGillSansMT(L"Gill Sans MT");
BuildKeyNameFromFontName(nameGillSans);
BuildKeyNameFromFontName(nameGillSansMT);
gfxFontFamily *gillSansFamily = mFontFamilies.GetWeak(nameGillSans);
gfxFontFamily *gillSansMTFamily = mFontFamilies.GetWeak(nameGillSansMT);
if (gillSansFamily && gillSansMTFamily) {
gillSansFamily->FindStyleVariations();
nsTArray<nsRefPtr<gfxFontEntry> >& faces = gillSansFamily->GetFontList();
PRUint32 i;
PRBool allUltraBold = PR_TRUE;
for (i = 0; i < faces.Length(); i++) {
// does the face have 'Ultra Bold' in the name?
if (faces[i]->Name().Find(NS_LITERAL_STRING("Ultra Bold")) == -1) {
allUltraBold = PR_FALSE;
break;
}
}
// if all the Gill Sans faces are Ultra Bold ==> move faces
// for Gill Sans into Gill Sans MT family
if (allUltraBold) {
// add faces to Gill Sans MT
for (i = 0; i < faces.Length(); i++) {
gillSansMTFamily->AddFontEntry(faces[i]);
#ifdef PR_LOGGING
if (LOG_FONTLIST_ENABLED()) {
gfxFontEntry *fe = faces[i];
LOG_FONTLIST(("(fontlist) moved (%s) to family (%s)"
" with style: %s weight: %d stretch: %d",
NS_ConvertUTF16toUTF8(fe->Name()).get(),
NS_ConvertUTF16toUTF8(gillSansMTFamily->Name()).get(),
(fe->IsItalic()) ? "italic" : "normal",
fe->Weight(), fe->Stretch()));
}
#endif
}
// remove Gills Sans
mFontFamilies.Remove(nameGillSans);
}
}
nsAdoptingCString classicFamilies =
Preferences::GetCString("gfx.font_rendering.cleartype_params.force_gdi_classic_for_families");
if (classicFamilies) {
nsCCharSeparatedTokenizer tokenizer(classicFamilies, ',');
while (tokenizer.hasMoreTokens()) {
NS_ConvertUTF8toUTF16 name(tokenizer.nextToken());
BuildKeyNameFromFontName(name);
gfxFontFamily *family = mFontFamilies.GetWeak(name);
if (family) {
static_cast<gfxDWriteFontFamily*>(family)->SetForceGDIClassic(true);
}
}
}
mForceGDIClassicMaxFontSize =
Preferences::GetInt("gfx.font_rendering.cleartype_params.force_gdi_classic_max_size",
mForceGDIClassicMaxFontSize);
StartLoader(kDelayBeforeLoadingFonts, kIntervalBetweenLoadingFonts);
LOGREGISTRY(L"DelayedInitFontList end");
#ifdef PR_LOGGING
if (LOG_FONTINIT_ENABLED()) {
QueryPerformanceCounter(&t3);
// determine dwrite version
nsAutoString dwriteVers;
gfxWindowsPlatform::GetDLLVersion(L"dwrite.dll", dwriteVers);
LOG_FONTINIT(("DelayedInitFontList\n"));
LOG_FONTINIT(("Start: %s %s\n", nowDate, nowTime));
LOG_FONTINIT(("Uptime: %9.3f s\n", upTime/1000));
LOG_FONTINIT(("dwrite version: %s\n",
NS_ConvertUTF16toUTF8(dwriteVers).get()));
elapsedTime = (t3.QuadPart - t1.QuadPart) * 1000.0 / frequency.QuadPart;
LOG_FONTINIT((
"Total time in DelayedInitFontList: %9.3f ms (families: %d, %s)\n",
elapsedTime, systemFonts->GetFontFamilyCount(),
(mGDIFontTableAccess ? "gdi table access" : "dwrite table access")));
elapsedTime = (t2.QuadPart - t1.QuadPart) * 1000.0 / frequency.QuadPart;
LOG_FONTINIT((" --- GetSystemFontCollection: %9.3f ms\n", elapsedTime));
elapsedTime = (t3.QuadPart - t2.QuadPart) * 1000.0 / frequency.QuadPart;
LOG_FONTINIT((" --- iterate over families: %9.3f ms\n", elapsedTime));
}
#endif
return NS_OK;
}
static void
RemoveCharsetFromFontSubstitute(nsAString &aName)
{
PRInt32 comma = aName.FindChar(PRUnichar(','));
if (comma >= 0)
aName.Truncate(comma);
}
#define MAX_VALUE_NAME 512
#define MAX_VALUE_DATA 512
nsresult
gfxDWriteFontList::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 = NS_ARRAY_LENGTH(aliasName);
actualName[0] = 0;
lenActual = sizeof(actualName);
rv = RegEnumValueW(hKey, i, aliasName, &lenAlias, NULL, &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);
}
}
return NS_OK;
}
struct FontSubstitution {
const WCHAR* aliasName;
const WCHAR* actualName;
};
static const FontSubstitution sDirectWriteSubs[] = {
{ L"MS Sans Serif", L"Microsoft Sans Serif" },
{ L"MS Serif", L"Times New Roman" },
{ L"Courier", L"Courier New" },
{ L"Small Fonts", L"Arial" },
{ L"Roman", L"Times New Roman" },
{ L"Script", L"Mistral" }
};
void
gfxDWriteFontList::GetDirectWriteSubstitutes()
{
for (PRUint32 i = 0; i < NS_ARRAY_LENGTH(sDirectWriteSubs); ++i) {
const FontSubstitution& sub(sDirectWriteSubs[i]);
nsAutoString substituteName((PRUnichar*)sub.aliasName);
BuildKeyNameFromFontName(substituteName);
if (nsnull != mFontFamilies.GetWeak(substituteName)) {
// don't do the substitution if user actually has a usable font
// with this name installed
continue;
}
nsAutoString actualFontName((PRUnichar*)sub.actualName);
BuildKeyNameFromFontName(actualFontName);
gfxFontFamily *ff;
if (nsnull != (ff = mFontFamilies.GetWeak(actualFontName))) {
mFontSubstitutes.Put(substituteName, ff);
} else {
mNonExistingFonts.AppendElement(substituteName);
}
}
}
PRBool
gfxDWriteFontList::GetStandardFamilyName(const nsAString& aFontName,
nsAString& aFamilyName)
{
gfxFontFamily *family = FindFamily(aFontName);
if (family) {
family->LocalizedName(aFamilyName);
return PR_TRUE;
}
return PR_FALSE;
}
gfxFontFamily* gfxDWriteFontList::FindFamily(const nsAString& aFamily)
{
if (!mInitialized) {
mInitialized = PR_TRUE;
DelayedInitFontList();
}
return gfxPlatformFontList::FindFamily(aFamily);
}
void
gfxDWriteFontList::GetFontFamilyList(nsTArray<nsRefPtr<gfxFontFamily> >& aFamilyArray)
{
if (!mInitialized) {
mInitialized = PR_TRUE;
DelayedInitFontList();
}
return gfxPlatformFontList::GetFontFamilyList(aFamilyArray);
}
PRBool
gfxDWriteFontList::ResolveFontName(const nsAString& aFontName,
nsAString& aResolvedFontName)
{
if (!mInitialized) {
mInitialized = PR_TRUE;
DelayedInitFontList();
}
nsAutoString keyName(aFontName);
BuildKeyNameFromFontName(keyName);
nsRefPtr<gfxFontFamily> ff;
if (mFontSubstitutes.Get(keyName, &ff)) {
aResolvedFontName = ff->Name();
return PR_TRUE;
}
if (mNonExistingFonts.Contains(keyName)) {
return PR_FALSE;
}
return gfxPlatformFontList::ResolveFontName(aFontName, aResolvedFontName);
}
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