зеркало из https://github.com/mozilla/pjs.git
Bug 417444. Load in other font family names lazily to avoid doing expensive name table reads at startup. Now with no-leak technology. r+sr=roc
This commit is contained in:
jdaggett%mozilla.com
Родитель
efcefa16f2
Коммит
cc0cdad457
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@ -41,6 +41,7 @@
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#define GFXQUARTZFONTCACHE_H_
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#include "nsDataHashtable.h"
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#include "nsRefPtrHashtable.h"
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#include "gfxFontUtils.h"
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#include "gfxAtsuiFonts.h"
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@ -63,6 +64,7 @@ struct FontSearch {
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};
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class MacOSFamilyEntry;
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class gfxQuartzFontCache;
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// a single member of a font family (i.e. a single face, such as Times Italic)
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class MacOSFontEntry
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@ -104,6 +106,9 @@ protected:
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PRPackedBool mATSUIDInitialized;
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};
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// helper class for adding other family names back into font cache
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class AddOtherFamilyNameFunctor;
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// a single font family, referencing one or more faces
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class MacOSFamilyEntry
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{
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@ -111,7 +116,7 @@ public:
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THEBES_INLINE_DECL_REFCOUNTING(MacOSFamilyEntry)
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MacOSFamilyEntry(nsString &aName) :
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mName(aName)
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mName(aName), mOtherFamilyNamesInitialized(PR_FALSE)
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{
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}
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@ -128,6 +133,9 @@ public:
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// used as part of the font fallback process
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void FindFontForChar(FontSearch *aMatchData);
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// read in other family names, if any, and use functor to add each into cache
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void ReadOtherFamilyNames(AddOtherFamilyNameFunctor& aOtherFamilyFunctor);
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protected:
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// add font entries into array that match specified traits, returned in array listed by weight
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@ -141,6 +149,7 @@ protected:
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nsString mName; // canonical font family name returned from NSFontManager
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nsTArray<nsRefPtr<MacOSFontEntry> > mAvailableFonts;
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PRPackedBool mOtherFamilyNamesInitialized;
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};
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@ -185,15 +194,27 @@ public:
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PRBool GetPrefFontFamilyEntries(eFontPrefLang aLangGroup, nsTArray<nsRefPtr<MacOSFamilyEntry> > *array);
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void SetPrefFontFamilyEntries(eFontPrefLang aLangGroup, nsTArray<nsRefPtr<MacOSFamilyEntry> >& array);
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void AddOtherFamilyName(MacOSFamilyEntry *aFamilyEntry, nsAString& aOtherFamilyName);
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private:
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static PLDHashOperator PR_CALLBACK FindFontForCharProc(nsStringHashKey::KeyType aKey,
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nsRefPtr<MacOSFamilyEntry>& aFamilyEntry,
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void* userArg);
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static gfxQuartzFontCache *sSharedFontCache;
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gfxQuartzFontCache();
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// initialize font lists
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void InitFontList();
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void ReadOtherFamilyNamesForFamily(const nsAString& aFamilyName);
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// separate initialization for reading in name tables, since this is expensive
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void InitOtherFamilyNames();
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static PLDHashOperator PR_CALLBACK InitOtherFamilyNamesProc(nsStringHashKey::KeyType aKey,
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nsRefPtr<MacOSFamilyEntry>& aFamilyEntry,
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void* userArg);
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void GenerateFontListKey(const nsAString& aKeyName, nsAString& aResult);
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static void ATSNotification(ATSFontNotificationInfoRef aInfo, void* aUserArg);
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@ -205,11 +226,11 @@ private:
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void* aUserArg);
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// canonical family name ==> family entry (unique, one name per family entry)
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nsDataHashtable<nsStringHashKey, nsRefPtr<MacOSFamilyEntry> > mFontFamilies;
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nsRefPtrHashtable<nsStringHashKey, MacOSFamilyEntry> mFontFamilies;
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// localized family name ==> family entry (not unique, can have multiple names per
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// other family name ==> family entry (not unique, can have multiple names per
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// family entry, only names *other* than the canonical names are stored here)
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nsDataHashtable<nsStringHashKey, nsRefPtr<MacOSFamilyEntry> > mLocalizedFamilies;
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nsRefPtrHashtable<nsStringHashKey, MacOSFamilyEntry> mOtherFamilyNames;
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// cached pref font lists
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// maps list of family names ==> array of family entries, one per lang group
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@ -218,6 +239,9 @@ private:
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// when system-wide font lookup fails for a character, cache it to skip future searches
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gfxSparseBitSet mCodepointsWithNoFonts;
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// flag set after InitOtherFamilyNames is called upon first name lookup miss
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PRPackedBool mOtherFamilyNamesInitialized;
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};
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#endif /* GFXQUARTZFONTCACHE_H_ */
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@ -241,6 +241,21 @@ MacOSFontEntry::ReadCMAP()
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/* MacOSFamilyEntry */
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#pragma mark-
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// helper class for adding other family names back into font cache
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class AddOtherFamilyNameFunctor
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{
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public:
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AddOtherFamilyNameFunctor(gfxQuartzFontCache *aFontCache) :
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mFontCache(aFontCache)
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{}
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void operator() (MacOSFamilyEntry *aFamilyEntry, nsAString& aOtherName) {
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mFontCache->AddOtherFamilyName(aFamilyEntry, aOtherName);
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}
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gfxQuartzFontCache *mFontCache;
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};
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static const PRUint32 kTraits_NonNormalWidthMask = NSNarrowFontMask | NSExpandedFontMask |
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NSCondensedFontMask | NSCompressedFontMask | NSFixedPitchFontMask;
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@ -310,7 +325,7 @@ MacOSFamilyEntry::FindFontForChar(FontSearch *aMatchData)
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rank += 20;
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}
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// if we didn't match any characters don't bother wasting more time.
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// if we didn't match any characters don't bother wasting more time with this face.
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if (rank == 0)
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continue;
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@ -466,30 +481,6 @@ MacOSFamilyEntry::FindFontWeight(MacOSFontEntry* aFontsForWeights[], const gfxFo
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return aFontsForWeights[baseMatch];
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}
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/* gfxQuartzFontCache */
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#pragma mark-
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gfxQuartzFontCache *gfxQuartzFontCache::sSharedFontCache = nsnull;
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gfxQuartzFontCache::gfxQuartzFontCache()
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{
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mFontFamilies.Init(100);
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mLocalizedFamilies.Init(30);
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mPrefFonts.Init(10);
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InitFontList();
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::ATSFontNotificationSubscribe(ATSNotification,
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kATSFontNotifyOptionDefault,
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(void*)this, nsnull);
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// pref changes notification setup
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nsCOMPtr<nsIPref> pref = do_GetService(NS_PREF_CONTRACTID);
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pref->RegisterCallback("font.", PrefChangedCallback, this);
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pref->RegisterCallback("font.name-list.", PrefChangedCallback, this);
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pref->RegisterCallback("intl.accept_languages", PrefChangedCallback, this); // hmmmm...
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}
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static NSString* CreateNameFromBuffer(const UInt8 *aBuf, ByteCount aLength,
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FontPlatformCode aPlatformCode, FontScriptCode aScriptCode, FontLanguageCode aLangCode )
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{
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@ -522,7 +513,6 @@ static NSString* CreateNameFromBuffer(const UInt8 *aBuf, ByteCount aLength,
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return (NSString*) outName;
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}
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// 10.4 headers only define TT/OT name table id's up to the license id (14) but 10.5 does, so use our own enum
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enum {
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kMozillaFontPreferredFamilyName = 16,
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@ -531,25 +521,20 @@ enum {
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// xxx - rather than use ATSUI calls, probably faster to load name table directly,
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// this avoids copying around strings that are of no interest
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// read in family names other than the canonical family name, including localized family names
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static void ReadOtherFamilyNames(NSString *familyName, NSArray *faceArray,
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int faceIndex, NSMutableArray *localizedNames)
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// returns true if other names were found, false otherwise
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static PRBool ReadOtherFamilyNamesForFace(AddOtherFamilyNameFunctor& aOtherFamilyFunctor, MacOSFamilyEntry *aFamilyEntry,
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NSString *familyName, ATSUFontID fontID)
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{
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OSStatus err;
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ItemCount i, nameCount;
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ATSUFontID fontID;
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NSArray *face = [faceArray objectAtIndex:faceIndex];
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NSString *psname = [face objectAtIndex:INDEX_FONT_POSTSCRIPT_NAME];
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NSFont *font = [NSFont fontWithName:psname size:0.0];
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fontID = [font _atsFontID];
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PRBool foundNames = PR_FALSE;
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if (fontID == kATSUInvalidFontID)
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return;
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return foundNames;
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err = ATSUCountFontNames(fontID, &nameCount);
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if (err != noErr)
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return;
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return foundNames;
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for (i = 0; i < nameCount; i++) {
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@ -567,52 +552,94 @@ static void ReadOtherFamilyNames(NSString *familyName, NSArray *faceArray,
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continue;
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// any other error, bail
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if (err != noErr)
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return;
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return foundNames;
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if (!(nameCode == kFontFamilyName || nameCode == kMozillaFontPreferredFamilyName)) continue;
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if (len >= kBufLength) continue;
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buf[len] = 0;
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NSString *name = CreateNameFromBuffer((UInt8*)buf, len, platformCode, scriptCode, langCode);
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NSString *foundName = nil;
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// add if not same as canonical family name or already in list of names
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if (name) {
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if (![name isEqualToString:familyName]) {
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// search other localized names
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int j, lnameCount = [localizedNames count];
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NSString *lname;
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for (j = 0; j < lnameCount; j++) {
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lname = [localizedNames objectAtIndex:j];
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if ([lname isEqualToString:name]) {
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foundName = lname;
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break;
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}
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}
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// didn't find it in the list? add it
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if (!foundName) {
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[localizedNames addObject:name];
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PR_LOG(gFontInfoLog, PR_LOG_DEBUG, ("(init-otherfamily) canonical family: %s, other family: %s\n", [familyName UTF8String], [name UTF8String]));
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}
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nsAutoString otherFamilyName;
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GetStringForNSString(name, otherFamilyName);
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aOtherFamilyFunctor(aFamilyEntry, otherFamilyName);
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foundNames = PR_TRUE;
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}
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[name release];
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}
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}
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return foundNames;
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}
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void
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MacOSFamilyEntry::ReadOtherFamilyNames(AddOtherFamilyNameFunctor& aOtherFamilyFunctor)
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{
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if (mOtherFamilyNamesInitialized)
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return;
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mOtherFamilyNamesInitialized = PR_TRUE;
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NSString *familyName = GetNSStringForString(mName);
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// read in other family names for the first face in the list
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MacOSFontEntry *fe = mAvailableFonts[0];
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PRBool foundNames = ReadOtherFamilyNamesForFace(aOtherFamilyFunctor, this, familyName, fe->GetFontID());
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// read in other names for the first face in the list with the assumption
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// that if extra names don't exist in that face then they don't exist in
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// other faces for the same font
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if (foundNames) {
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PRUint32 numFonts, i;
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// read in names for all faces, needed to catch cases where
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// fonts all family names for individual weights (e.g. Hiragino Kaku Gothic Pro W6)
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numFonts = mAvailableFonts.Length();
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for (i = 1; i < numFonts; i++) {
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fe = mAvailableFonts[i];
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ReadOtherFamilyNamesForFace(aOtherFamilyFunctor, this, familyName, fe->GetFontID());
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}
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}
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}
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/* gfxQuartzFontCache */
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#pragma mark-
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gfxQuartzFontCache *gfxQuartzFontCache::sSharedFontCache = nsnull;
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gfxQuartzFontCache::gfxQuartzFontCache()
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{
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mFontFamilies.Init(100);
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mOtherFamilyNames.Init(30);
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mOtherFamilyNamesInitialized = PR_FALSE;
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mPrefFonts.Init(10);
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InitFontList();
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::ATSFontNotificationSubscribe(ATSNotification,
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kATSFontNotifyOptionDefault,
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(void*)this, nsnull);
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// pref changes notification setup
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nsCOMPtr<nsIPref> pref = do_GetService(NS_PREF_CONTRACTID);
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pref->RegisterCallback("font.", PrefChangedCallback, this);
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pref->RegisterCallback("font.name-list.", PrefChangedCallback, this);
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pref->RegisterCallback("intl.accept_languages", PrefChangedCallback, this); // hmmmm...
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}
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const int kIndexNormalFace_NotFound = -1;
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const PRUint32 kNonNormalTraits = NSItalicFontMask | NSBoldFontMask | NSNarrowFontMask | NSExpandedFontMask | NSCondensedFontMask | NSCompressedFontMask;
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void
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gfxQuartzFontCache::InitFontList()
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{
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mFontFamilies.Clear();
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mLocalizedFamilies.Clear();
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mOtherFamilyNames.Clear();
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mOtherFamilyNamesInitialized = PR_FALSE;
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mPrefFonts.Clear();
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mCodepointsWithNoFonts.reset();
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@ -620,8 +647,7 @@ gfxQuartzFontCache::InitFontList()
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NSFontManager *fontManager = [NSFontManager sharedFontManager];
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NSEnumerator *families = [[fontManager availableFontFamilies] objectEnumerator]; // returns "canonical", non-localized family name
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NSMutableArray* localizedNames = [[NSMutableArray alloc] init];
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nsAutoString availableFamilyName, postscriptFontName, localizedName;
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nsAutoString availableFamilyName, postscriptFontName;
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NSString *availableFamily = nil;
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while ((availableFamily = [families nextObject])) {
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@ -630,13 +656,12 @@ gfxQuartzFontCache::InitFontList()
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GetStringForNSString(availableFamily, availableFamilyName);
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// create a family entry
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nsRefPtr<MacOSFamilyEntry> familyEntry = new MacOSFamilyEntry(availableFamilyName);
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MacOSFamilyEntry *familyEntry = new MacOSFamilyEntry(availableFamilyName);
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if (!familyEntry) break;
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// create a font entry for each face
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NSArray *fontfaces = [fontManager availableMembersOfFontFamily:availableFamily]; // returns an array of [psname, style name, weight, traits] elements, goofy api
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int faceCount = [fontfaces count];
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int normalFaceIndex = kIndexNormalFace_NotFound;
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int faceIndex;
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for (faceIndex = 0; faceIndex < faceCount; faceIndex++) {
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@ -651,52 +676,32 @@ gfxQuartzFontCache::InitFontList()
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if (!(traits & NSItalicFontMask))
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traits |= NSUnitalicFontMask;
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PR_LOG(gFontInfoLog, PR_LOG_DEBUG, ("(init) family: %s, psname: %s, face: %s, apple-weight: %d, css-weight: %d, traits: %8.8x\n",
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PR_LOG(gFontInfoLog, PR_LOG_DEBUG, ("(fontinit) family: %s, psname: %s, face: %s, apple-weight: %d, css-weight: %d, traits: %8.8x\n",
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[availableFamily UTF8String], [psname UTF8String], [[face objectAtIndex:INDEX_FONT_FACE_NAME] UTF8String], weight, gfxQuartzFontCache::AppleWeightToCSSWeight(weight), traits ));
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// make a nsString
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GetStringForNSString(psname, postscriptFontName);
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// create a font entry
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nsRefPtr<MacOSFontEntry> fontEntry = new MacOSFontEntry(postscriptFontName, weight, traits, familyEntry);
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MacOSFontEntry *fontEntry = new MacOSFontEntry(postscriptFontName, weight, traits, familyEntry);
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if (!fontEntry) break;
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// insert into font entry array of family
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familyEntry->AddFontEntry(fontEntry);
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// if normal face not found yet, check the traits for this one
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if ( normalFaceIndex == kIndexNormalFace_NotFound && !(traits & kNonNormalTraits))
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normalFaceIndex = faceIndex;
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}
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// if no normal face, just use the first face in the array of available ones
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if ( normalFaceIndex == kIndexNormalFace_NotFound )
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normalFaceIndex = 0;
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// read the name table for the normal face; if localized names exist for that face, scan all font entries for more localized names
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[localizedNames removeAllObjects];
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ReadOtherFamilyNames(availableFamily, fontfaces, normalFaceIndex, localizedNames);
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if ([localizedNames count] != 0) {
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for (faceIndex = 0; faceIndex < faceCount; faceIndex++) {
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if (faceIndex == normalFaceIndex) continue;
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ReadOtherFamilyNames(availableFamily, fontfaces, faceIndex, localizedNames);
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}
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}
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// add the family entry to the hash table
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ToLowerCase(availableFamilyName);
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mFontFamilies.Put(availableFamilyName, familyEntry);
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// add in an entry for each of the localized names
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int lnameIndex, lnameCount = [localizedNames count];
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for (lnameIndex = 0; lnameIndex < lnameCount; lnameIndex++) {
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GetStringForNSString([localizedNames objectAtIndex:lnameIndex], localizedName);
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ToLowerCase(localizedName);
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mLocalizedFamilies.Put(localizedName, familyEntry);
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}
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}
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// to avoid full search of font name tables, seed the other names table with localized names from
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// some of the prefs fonts which are accessed via their localized names. changes in the pref fonts will only cause
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// a font lookup miss earlier. this is a simple optimization, it's not required for correctness
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ReadOtherFamilyNamesForFamily(NS_LITERAL_STRING("Hiragino Kaku Gothic Pro"));
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ReadOtherFamilyNamesForFamily(NS_LITERAL_STRING("Hiragino Mincho Pro"));
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ReadOtherFamilyNamesForFamily(NS_LITERAL_STRING("STSong"));
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// xxx - deal with quirks (e.g. Osaka-Mono)
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// xxx - need to remove bogus Helvetica/Courier italic faces (Cocoa inanity!)
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@ -706,18 +711,44 @@ gfxQuartzFontCache::InitFontList()
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mCodepointsWithNoFonts.SetRange(0x7f,0x9f); // C1 controls
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mCodepointsWithNoFonts.set(0xfffd); // unknown
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[localizedNames release];
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}
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void
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gfxQuartzFontCache::InitOtherFamilyNames()
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{
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mOtherFamilyNamesInitialized = PR_TRUE;
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// iterate over all font families and read in other family names
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mFontFamilies.Enumerate(gfxQuartzFontCache::InitOtherFamilyNamesProc, this);
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}
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PLDHashOperator PR_CALLBACK gfxQuartzFontCache::InitOtherFamilyNamesProc(nsStringHashKey::KeyType aKey,
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||||
nsRefPtr<MacOSFamilyEntry>& aFamilyEntry,
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void* userArg)
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{
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gfxQuartzFontCache *fc = (gfxQuartzFontCache*) userArg;
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||||
AddOtherFamilyNameFunctor addOtherNames(fc);
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aFamilyEntry->ReadOtherFamilyNames(addOtherNames);
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return PL_DHASH_NEXT;
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}
|
||||
|
||||
void
|
||||
gfxQuartzFontCache::ReadOtherFamilyNamesForFamily(const nsAString& aFamilyName)
|
||||
{
|
||||
MacOSFamilyEntry *familyEntry = FindFamily(aFamilyName);
|
||||
|
||||
if (familyEntry) {
|
||||
AddOtherFamilyNameFunctor addOtherNames(this);
|
||||
familyEntry->ReadOtherFamilyNames(addOtherNames);
|
||||
}
|
||||
}
|
||||
|
||||
PRBool
|
||||
gfxQuartzFontCache::ResolveFontName(const nsAString& aFontName, nsAString& aResolvedFontName)
|
||||
{
|
||||
nsAutoString key;
|
||||
nsRefPtr<MacOSFamilyEntry> familyEntry;
|
||||
GenerateFontListKey(aFontName, key);
|
||||
|
||||
if (mFontFamilies.Get(key, &familyEntry) || mLocalizedFamilies.Get(key, &familyEntry)) {
|
||||
aResolvedFontName = familyEntry->Name();
|
||||
MacOSFamilyEntry *family = FindFamily(aFontName);
|
||||
if (family) {
|
||||
aResolvedFontName = family->Name();
|
||||
return PR_TRUE;
|
||||
}
|
||||
return PR_FALSE;
|
||||
|
|
@ -822,12 +853,30 @@ MacOSFamilyEntry*
|
|||
gfxQuartzFontCache::FindFamily(const nsAString& aFamily)
|
||||
{
|
||||
nsAutoString key;
|
||||
nsRefPtr<MacOSFamilyEntry> familyEntry;
|
||||
MacOSFamilyEntry *familyEntry;
|
||||
PRBool found;
|
||||
GenerateFontListKey(aFamily, key);
|
||||
|
||||
if (mFontFamilies.Get(key, &familyEntry) || mLocalizedFamilies.Get(key, &familyEntry)) {
|
||||
// lookup in canonical (i.e. English) family name list
|
||||
if ((familyEntry = mFontFamilies.GetWeak(key, &found))) {
|
||||
return familyEntry;
|
||||
}
|
||||
|
||||
// lookup in other family names list (mostly localized names)
|
||||
if ((familyEntry = mOtherFamilyNames.GetWeak(key, &found))) {
|
||||
return familyEntry;
|
||||
}
|
||||
|
||||
// name not found and other family names not yet fully initialized so
|
||||
// initialize the rest of the list and try again. this is done lazily
|
||||
// since reading name table entries is expensive
|
||||
if (!mOtherFamilyNamesInitialized) {
|
||||
InitOtherFamilyNames();
|
||||
if ((familyEntry = mOtherFamilyNames.GetWeak(key, &found))) {
|
||||
return familyEntry;
|
||||
}
|
||||
}
|
||||
|
||||
return nsnull;
|
||||
}
|
||||
|
||||
|
|
@ -864,3 +913,18 @@ gfxQuartzFontCache::SetPrefFontFamilyEntries(eFontPrefLang aLangGroup, nsTArray<
|
|||
mPrefFonts.Put(PRUint32(aLangGroup), array);
|
||||
}
|
||||
|
||||
void
|
||||
gfxQuartzFontCache::AddOtherFamilyName(MacOSFamilyEntry *aFamilyEntry, nsAString& aOtherFamilyName)
|
||||
{
|
||||
nsAutoString key;
|
||||
MacOSFamilyEntry *familyEntry;
|
||||
PRBool found;
|
||||
GenerateFontListKey(aOtherFamilyName, key);
|
||||
|
||||
if (!mOtherFamilyNames.GetWeak(key, &found)) {
|
||||
mOtherFamilyNames.Put(key, aFamilyEntry);
|
||||
PR_LOG(gFontInfoLog, PR_LOG_DEBUG, ("(fontinit-otherfamily) canonical family: %s, other family: %s\n",
|
||||
NS_ConvertUTF16toUTF8(aFamilyEntry->Name()).get(),
|
||||
NS_ConvertUTF16toUTF8(aOtherFamilyName).get()));
|
||||
}
|
||||
}
|
||||
|
|
|
|||
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