mozilla
/
gecko-dev
зеркало из https://github.com/mozilla/gecko-dev.git
1
0
Форкнуть 0
Код Задачи Пакеты Проекты Релизы Вики Активность
gecko-dev/gfx/thebes/gfxMacPlatformFontList.mm

1821 строка
65 KiB
Plaintext
Исходник Ответственный История

/* -*- Mode: ObjC; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* ***** BEGIN LICENSE BLOCK *****
* Version: BSD
*
* Copyright (C) 2006-2009 Mozilla Corporation. All rights reserved.
*
* Contributor(s):
* Vladimir Vukicevic <vladimir@pobox.com>
* Masayuki Nakano <masayuki@d-toybox.com>
* John Daggett <jdaggett@mozilla.com>
* Jonathan Kew <jfkthame@gmail.com>
*
* Copyright (C) 2006 Apple Computer, Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* ***** END LICENSE BLOCK ***** */
#include "mozilla/Logging.h"
#include <algorithm>
#import <AppKit/AppKit.h>
#include "gfxFontConstants.h"
#include "gfxPlatformMac.h"
#include "gfxMacPlatformFontList.h"
#include "gfxMacFont.h"
#include "gfxUserFontSet.h"
#include "SharedFontList-impl.h"
#include "harfbuzz/hb.h"
#include "MainThreadUtils.h"
#include "nsDirectoryServiceUtils.h"
#include "nsDirectoryServiceDefs.h"
#include "nsAppDirectoryServiceDefs.h"
#include "nsIDirectoryEnumerator.h"
#include "nsCharTraits.h"
#include "nsCocoaFeatures.h"
#include "nsCocoaUtils.h"
#include "nsServiceManagerUtils.h"
#include "nsTArray.h"
#include "mozilla/dom/ContentChild.h"
#include "mozilla/dom/ContentParent.h"
#include "mozilla/FontPropertyTypes.h"
#include "mozilla/MemoryReporting.h"
#include "mozilla/Preferences.h"
#include "mozilla/Sprintf.h"
#include "mozilla/Telemetry.h"
#include "mozilla/gfx/2D.h"
#include <unistd.h>
#include <time.h>
#include <dlfcn.h>
using namespace mozilla;
using namespace mozilla::gfx;
using mozilla::dom::SystemFontListEntry;
using mozilla::dom::FontFamilyListEntry;
// indexes into the NSArray objects that the Cocoa font manager returns
// as the available members of a family
#define INDEX_FONT_POSTSCRIPT_NAME 0
#define INDEX_FONT_FACE_NAME 1
#define INDEX_FONT_WEIGHT 2
#define INDEX_FONT_TRAITS 3
static const int kAppleMaxWeight = 14;
static const int kAppleExtraLightWeight = 3;
static const int kAppleUltraLightWeight = 2;
static const int gAppleWeightToCSSWeight[] = {
0,
1, // 1.
1, // 2. W1, ultralight
2, // 3. W2, extralight
3, // 4. W3, light
4, // 5. W4, semilight
5, // 6. W5, medium
6, // 7.
6, // 8. W6, semibold
7, // 9. W7, bold
8, // 10. W8, extrabold
8, // 11.
9, // 12. W9, ultrabold
9, // 13
9 // 14
};
// cache Cocoa's "shared font manager" for performance
static NSFontManager* sFontManager;
static void GetStringForNSString(const NSString* aSrc, nsAString& aDest) {
aDest.SetLength([aSrc length]);
[aSrc getCharacters:reinterpret_cast<unichar*>(aDest.BeginWriting())];
}
static NSString* GetNSStringForString(const nsAString& aSrc) {
return [NSString stringWithCharacters:reinterpret_cast<const unichar*>(aSrc.BeginReading())
length:aSrc.Length()];
}
#define LOG_FONTLIST(args) \
MOZ_LOG(gfxPlatform::GetLog(eGfxLog_fontlist), mozilla::LogLevel::Debug, args)
#define LOG_FONTLIST_ENABLED() \
MOZ_LOG_TEST(gfxPlatform::GetLog(eGfxLog_fontlist), mozilla::LogLevel::Debug)
#define LOG_CMAPDATA_ENABLED() \
MOZ_LOG_TEST(gfxPlatform::GetLog(eGfxLog_cmapdata), mozilla::LogLevel::Debug)
#pragma mark -
// Complex scripts will not render correctly unless appropriate AAT or OT
// layout tables are present.
// For OpenType, we also check that the GSUB table supports the relevant
// script tag, to avoid using things like Arial Unicode MS for Lao (it has
// the characters, but lacks OpenType support).
// TODO: consider whether we should move this to gfxFontEntry and do similar
// cmap-masking on other platforms to avoid using fonts that won't shape
// properly.
nsresult MacOSFontEntry::ReadCMAP(FontInfoData* aFontInfoData) {
// attempt this once, if errors occur leave a blank cmap
if (mCharacterMap || mShmemCharacterMap) {
return NS_OK;
}
RefPtr<gfxCharacterMap> charmap;
nsresult rv;
if (aFontInfoData && (charmap = GetCMAPFromFontInfo(aFontInfoData, mUVSOffset))) {
rv = NS_OK;
} else {
uint32_t kCMAP = TRUETYPE_TAG('c', 'm', 'a', 'p');
charmap = new gfxCharacterMap();
AutoTable cmapTable(this, kCMAP);
if (cmapTable) {
uint32_t cmapLen;
const uint8_t* cmapData =
reinterpret_cast<const uint8_t*>(hb_blob_get_data(cmapTable, &cmapLen));
rv = gfxFontUtils::ReadCMAP(cmapData, cmapLen, *charmap, mUVSOffset);
} else {
rv = NS_ERROR_NOT_AVAILABLE;
}
}
if (NS_SUCCEEDED(rv) && !mIsDataUserFont && !HasGraphiteTables()) {
// For downloadable fonts, trust the author and don't
// try to munge the cmap based on script shaping support.
// We also assume a Graphite font knows what it's doing,
// and provides whatever shaping is needed for the
// characters it supports, so only check/clear the
// complex-script ranges for non-Graphite fonts
// for layout support, check for the presence of mort/morx/kerx and/or
// opentype layout tables
bool hasAATLayout = HasFontTable(TRUETYPE_TAG('m', 'o', 'r', 'x')) ||
HasFontTable(TRUETYPE_TAG('m', 'o', 'r', 't'));
bool hasAppleKerning = HasFontTable(TRUETYPE_TAG('k', 'e', 'r', 'x'));
bool hasGSUB = HasFontTable(TRUETYPE_TAG('G', 'S', 'U', 'B'));
bool hasGPOS = HasFontTable(TRUETYPE_TAG('G', 'P', 'O', 'S'));
if ((hasAATLayout && !(hasGSUB || hasGPOS)) || hasAppleKerning) {
mRequiresAAT = true; // prefer CoreText if font has no OTL tables,
// or if it uses the Apple-specific 'kerx'
// variant of kerning table
}
for (const ScriptRange* sr = gfxPlatformFontList::sComplexScriptRanges; sr->rangeStart; sr++) {
// check to see if the cmap includes complex script codepoints
if (charmap->TestRange(sr->rangeStart, sr->rangeEnd)) {
if (hasAATLayout) {
// prefer CoreText for Apple's complex-script fonts,
// even if they also have some OpenType tables
// (e.g. Geeza Pro Bold on 10.6; see bug 614903)
mRequiresAAT = true;
// and don't mask off complex-script ranges, we assume
// the AAT tables will provide the necessary shaping
continue;
}
// We check for GSUB here, as GPOS alone would not be ok.
if (hasGSUB && SupportsScriptInGSUB(sr->tags, sr->numTags)) {
continue;
}
charmap->ClearRange(sr->rangeStart, sr->rangeEnd);
}
}
// Bug 1360309, 1393624: several of Apple's Chinese fonts have spurious
// blank glyphs for obscure Tibetan and Arabic-script codepoints.
// Blacklist these so that font fallback will not use them.
if (mRequiresAAT &&
(FamilyName().EqualsLiteral("Songti SC") || FamilyName().EqualsLiteral("Songti TC") ||
FamilyName().EqualsLiteral("STSong") ||
// Bug 1390980: on 10.11, the Kaiti fonts are also affected.
FamilyName().EqualsLiteral("Kaiti SC") || FamilyName().EqualsLiteral("Kaiti TC") ||
FamilyName().EqualsLiteral("STKaiti"))) {
charmap->ClearRange(0x0f6b, 0x0f70);
charmap->ClearRange(0x0f8c, 0x0f8f);
charmap->clear(0x0f98);
charmap->clear(0x0fbd);
charmap->ClearRange(0x0fcd, 0x0fff);
charmap->clear(0x0620);
charmap->clear(0x065f);
charmap->ClearRange(0x06ee, 0x06ef);
charmap->clear(0x06ff);
}
}
mHasCmapTable = NS_SUCCEEDED(rv);
if (mHasCmapTable) {
gfxPlatformFontList* pfl = gfxPlatformFontList::PlatformFontList();
fontlist::FontList* sharedFontList = pfl->SharedFontList();
if (!IsUserFont() && mShmemFace) {
mShmemFace->SetCharacterMap(sharedFontList, charmap); // async
if (!TrySetShmemCharacterMap()) {
// Temporarily retain charmap, until the shared version is
// ready for use.
mCharacterMap = charmap;
}
} else {
mCharacterMap = pfl->FindCharMap(charmap);
}
} else {
// if error occurred, initialize to null cmap
mCharacterMap = new gfxCharacterMap();
}
LOG_FONTLIST(("(fontlist-cmap) name: %s, size: %zu hash: %8.8x%s\n", mName.get(),
charmap->SizeOfIncludingThis(moz_malloc_size_of), charmap->mHash,
mCharacterMap == charmap ? " new" : ""));
if (LOG_CMAPDATA_ENABLED()) {
char prefix[256];
SprintfLiteral(prefix, "(cmapdata) name: %.220s", mName.get());
charmap->Dump(prefix, eGfxLog_cmapdata);
}
return rv;
}
gfxFont* MacOSFontEntry::CreateFontInstance(const gfxFontStyle* aFontStyle) {
RefPtr<UnscaledFontMac> unscaledFont(mUnscaledFont);
if (!unscaledFont) {
CGFontRef baseFont = GetFontRef();
if (!baseFont) {
return nullptr;
}
unscaledFont = new UnscaledFontMac(baseFont, mIsDataUserFont);
mUnscaledFont = unscaledFont;
}
return new gfxMacFont(unscaledFont, this, aFontStyle);
}
bool MacOSFontEntry::HasVariations() {
if (!mHasVariationsInitialized) {
mHasVariationsInitialized = true;
mHasVariations = gfxPlatform::GetPlatform()->HasVariationFontSupport() &&
HasFontTable(TRUETYPE_TAG('f', 'v', 'a', 'r'));
}
return mHasVariations;
}
void MacOSFontEntry::GetVariationAxes(nsTArray<gfxFontVariationAxis>& aVariationAxes) {
MOZ_ASSERT(aVariationAxes.IsEmpty());
CTFontRef ctFont = CTFontCreateWithGraphicsFont(mFontRef, 0.0, nullptr, nullptr);
CFArrayRef axes = CTFontCopyVariationAxes(ctFont);
CFRelease(ctFont);
if (axes) {
for (CFIndex i = 0; i < CFArrayGetCount(axes); ++i) {
gfxFontVariationAxis axis;
auto val = (CFDictionaryRef)CFArrayGetValueAtIndex(axes, i);
auto num = (CFNumberRef)CFDictionaryGetValue(val, kCTFontVariationAxisIdentifierKey);
SInt32 tag = 0;
if (num) {
CFNumberGetValue(num, kCFNumberSInt32Type, &tag);
}
Float32 minValue = 0, maxValue = 0, defaultValue = 0;
num = (CFNumberRef)CFDictionaryGetValue(val, kCTFontVariationAxisMinimumValueKey);
if (num) {
CFNumberGetValue(num, kCFNumberFloat32Type, &minValue);
}
num = (CFNumberRef)CFDictionaryGetValue(val, kCTFontVariationAxisMaximumValueKey);
if (num) {
CFNumberGetValue(num, kCFNumberFloat32Type, &maxValue);
}
num = (CFNumberRef)CFDictionaryGetValue(val, kCTFontVariationAxisDefaultValueKey);
if (num) {
CFNumberGetValue(num, kCFNumberFloat32Type, &defaultValue);
}
auto name = (CFStringRef)CFDictionaryGetValue(val, kCTFontVariationAxisNameKey);
if (name) {
CFIndex len = CFStringGetLength(name);
nsAutoString nameStr;
nameStr.SetLength(len);
CFStringGetCharacters(name, CFRangeMake(0, len), (UniChar*)nameStr.BeginWriting());
AppendUTF16toUTF8(nameStr, axis.mName);
}
axis.mTag = (uint32_t)tag;
axis.mMinValue = minValue;
axis.mMaxValue = maxValue;
axis.mDefaultValue = defaultValue;
aVariationAxes.AppendElement(axis);
}
CFRelease(axes);
}
}
void MacOSFontEntry::GetVariationInstances(nsTArray<gfxFontVariationInstance>& aInstances) {
gfxFontUtils::GetVariationInstances(this, aInstances);
}
bool MacOSFontEntry::IsCFF() {
if (!mIsCFFInitialized) {
mIsCFFInitialized = true;
mIsCFF = HasFontTable(TRUETYPE_TAG('C', 'F', 'F', ' '));
}
return mIsCFF;
}
MacOSFontEntry::MacOSFontEntry(const nsACString& aPostscriptName, WeightRange aWeight,
bool aIsStandardFace, double aSizeHint)
: gfxFontEntry(aPostscriptName, aIsStandardFace),
mFontRef(NULL),
mSizeHint(aSizeHint),
mFontRefInitialized(false),
mRequiresAAT(false),
mIsCFF(false),
mIsCFFInitialized(false),
mHasVariations(false),
mHasVariationsInitialized(false),
mHasAATSmallCaps(false),
mHasAATSmallCapsInitialized(false),
mCheckedForOpszAxis(false) {
mWeightRange = aWeight;
}
MacOSFontEntry::MacOSFontEntry(const nsACString& aPostscriptName, CGFontRef aFontRef,
WeightRange aWeight, StretchRange aStretch, SlantStyleRange aStyle,
bool aIsDataUserFont, bool aIsLocalUserFont)
: gfxFontEntry(aPostscriptName, false),
mFontRef(NULL),
mSizeHint(0.0),
mFontRefInitialized(false),
mRequiresAAT(false),
mIsCFF(false),
mIsCFFInitialized(false),
mHasVariations(false),
mHasVariationsInitialized(false),
mHasAATSmallCaps(false),
mHasAATSmallCapsInitialized(false),
mCheckedForOpszAxis(false) {
mFontRef = aFontRef;
mFontRefInitialized = true;
::CFRetain(mFontRef);
mWeightRange = aWeight;
mStretchRange = aStretch;
mFixedPitch = false; // xxx - do we need this for downloaded fonts?
mStyleRange = aStyle;
NS_ASSERTION(!(aIsDataUserFont && aIsLocalUserFont),
"userfont is either a data font or a local font");
mIsDataUserFont = aIsDataUserFont;
mIsLocalUserFont = aIsLocalUserFont;
}
gfxFontEntry* MacOSFontEntry::Clone() const {
MOZ_ASSERT(!IsUserFont(), "we can only clone installed fonts!");
MacOSFontEntry* fe = new MacOSFontEntry(Name(), Weight(), mStandardFace, mSizeHint);
fe->mStyleRange = mStyleRange;
fe->mStretchRange = mStretchRange;
fe->mFixedPitch = mFixedPitch;
return fe;
}
gfxFontEntry* gfxMacPlatformFontList::CreateFontEntry(fontlist::Face* aFace,
const fontlist::Family* aFamily) {
MacOSFontEntry* fe =
new MacOSFontEntry(aFace->mDescriptor.AsString(SharedFontList()), aFace->mWeight, false,
0.0); // XXX standardFace, sizeHint
fe->mStyleRange = aFace->mStyle;
fe->mStretchRange = aFace->mStretch;
fe->mFixedPitch = aFace->mFixedPitch;
fe->mIsBadUnderlineFont = aFamily->IsBadUnderlineFamily();
fe->mShmemFace = aFace;
fe->mFamilyName = aFamily->DisplayName().AsString(SharedFontList());
return fe;
}
CGFontRef MacOSFontEntry::GetFontRef() {
if (!mFontRefInitialized) {
mFontRefInitialized = true;
NSString* psname = GetNSStringForString(NS_ConvertUTF8toUTF16(mName));
mFontRef = ::CGFontCreateWithFontName(CFStringRef(psname));
if (!mFontRef) {
// This happens on macOS 10.12 for font entry names that start with
// .AppleSystemUIFont. For those fonts, we need to go through NSFont
// to get the correct CGFontRef.
// Both the Text and the Display variant of the display font use
// .AppleSystemUIFontSomethingSomething as their member names.
// That's why we're carrying along mSizeHint to this place so that
// we get the variant that we want for this family.
NSFont* font = [NSFont fontWithName:psname size:mSizeHint];
if (font) {
mFontRef = CTFontCopyGraphicsFont((CTFontRef)font, nullptr);
}
}
}
return mFontRef;
}
// For a logging build, we wrap the CFDataRef in a FontTableRec so that we can
// use the MOZ_COUNT_[CD]TOR macros in it. A release build without logging
// does not get this overhead.
class FontTableRec {
public:
explicit FontTableRec(CFDataRef aDataRef) : mDataRef(aDataRef) { MOZ_COUNT_CTOR(FontTableRec); }
~FontTableRec() {
MOZ_COUNT_DTOR(FontTableRec);
::CFRelease(mDataRef);
}
private:
CFDataRef mDataRef;
};
/*static*/ void MacOSFontEntry::DestroyBlobFunc(void* aUserData) {
#ifdef NS_BUILD_REFCNT_LOGGING
FontTableRec* ftr = static_cast<FontTableRec*>(aUserData);
delete ftr;
#else
::CFRelease((CFDataRef)aUserData);
#endif
}
hb_blob_t* MacOSFontEntry::GetFontTable(uint32_t aTag) {
CGFontRef fontRef = GetFontRef();
if (!fontRef) {
return nullptr;
}
CFDataRef dataRef = ::CGFontCopyTableForTag(fontRef, aTag);
if (dataRef) {
return hb_blob_create((const char*)::CFDataGetBytePtr(dataRef), ::CFDataGetLength(dataRef),
HB_MEMORY_MODE_READONLY,
#ifdef NS_BUILD_REFCNT_LOGGING
new FontTableRec(dataRef),
#else
(void*)dataRef,
#endif
DestroyBlobFunc);
}
return nullptr;
}
bool MacOSFontEntry::HasFontTable(uint32_t aTableTag) {
if (mAvailableTables.Count() == 0) {
nsAutoreleasePool localPool;
CGFontRef fontRef = GetFontRef();
if (!fontRef) {
return false;
}
CFArrayRef tags = ::CGFontCopyTableTags(fontRef);
if (!tags) {
return false;
}
int numTags = (int)::CFArrayGetCount(tags);
for (int t = 0; t < numTags; t++) {
uint32_t tag = (uint32_t)(uintptr_t)::CFArrayGetValueAtIndex(tags, t);
mAvailableTables.PutEntry(tag);
}
::CFRelease(tags);
}
return mAvailableTables.GetEntry(aTableTag);
}
static bool CheckForAATSmallCaps(CFArrayRef aFeatures) {
// Walk the array of feature descriptors from the font, and see whether
// a small-caps feature setting is available.
// Just bail out (returning false) if at any point we fail to find the
// expected dictionary keys, etc; if the font has bad data, we don't even
// try to search the rest of it.
auto numFeatures = CFArrayGetCount(aFeatures);
for (auto f = 0; f < numFeatures; ++f) {
auto featureDict = (CFDictionaryRef)CFArrayGetValueAtIndex(aFeatures, f);
if (!featureDict) {
return false;
}
auto featureNum =
(CFNumberRef)CFDictionaryGetValue(featureDict, CFSTR("CTFeatureTypeIdentifier"));
if (!featureNum) {
return false;
}
int16_t featureType;
if (!CFNumberGetValue(featureNum, kCFNumberSInt16Type, &featureType)) {
return false;
}
if (featureType == kLetterCaseType || featureType == kLowerCaseType) {
// Which selector to look for, depending whether we've found the
// legacy LetterCase feature or the new LowerCase one.
const uint16_t smallCaps =
(featureType == kLetterCaseType) ? kSmallCapsSelector : kLowerCaseSmallCapsSelector;
auto selectors =
(CFArrayRef)CFDictionaryGetValue(featureDict, CFSTR("CTFeatureTypeSelectors"));
if (!selectors) {
return false;
}
auto numSelectors = CFArrayGetCount(selectors);
for (auto s = 0; s < numSelectors; s++) {
auto selectorDict = (CFDictionaryRef)CFArrayGetValueAtIndex(selectors, s);
if (!selectorDict) {
return false;
}
auto selectorNum =
(CFNumberRef)CFDictionaryGetValue(selectorDict, CFSTR("CTFeatureSelectorIdentifier"));
if (!selectorNum) {
return false;
}
int16_t selectorValue;
if (!CFNumberGetValue(selectorNum, kCFNumberSInt16Type, &selectorValue)) {
return false;
}
if (selectorValue == smallCaps) {
return true;
}
}
}
}
return false;
}
bool MacOSFontEntry::SupportsOpenTypeFeature(Script aScript, uint32_t aFeatureTag) {
// If we're going to shape with Core Text, we don't support added
// OpenType features (aside from any CT applies by default), except
// for 'smcp' which we map to an AAT feature selector.
if (RequiresAATLayout()) {
if (aFeatureTag != HB_TAG('s', 'm', 'c', 'p')) {
return false;
}
if (mHasAATSmallCapsInitialized) {
return mHasAATSmallCaps;
}
mHasAATSmallCapsInitialized = true;
CTFontRef ctFont = CTFontCreateWithGraphicsFont(mFontRef, 0.0, nullptr, nullptr);
if (ctFont) {
CFArrayRef features = CTFontCopyFeatures(ctFont);
CFRelease(ctFont);
if (features) {
mHasAATSmallCaps = CheckForAATSmallCaps(features);
CFRelease(features);
}
}
return mHasAATSmallCaps;
}
return gfxFontEntry::SupportsOpenTypeFeature(aScript, aFeatureTag);
}
void MacOSFontEntry::AddSizeOfIncludingThis(MallocSizeOf aMallocSizeOf,
FontListSizes* aSizes) const {
aSizes->mFontListSize += aMallocSizeOf(this);
AddSizeOfExcludingThis(aMallocSizeOf, aSizes);
}
/* gfxMacFontFamily */
#pragma mark -
class gfxMacFontFamily : public gfxFontFamily {
public:
explicit gfxMacFontFamily(const nsACString& aName, double aSizeHint)
: gfxFontFamily(aName), mSizeHint(aSizeHint) {}
virtual ~gfxMacFontFamily() = default;
virtual void LocalizedName(nsACString& aLocalizedName);
virtual void FindStyleVariations(FontInfoData* aFontInfoData = nullptr);
virtual bool IsSingleFaceFamily() const { return false; }
protected:
double mSizeHint;
};
void gfxMacFontFamily::LocalizedName(nsACString& aLocalizedName) {
nsAutoreleasePool localPool;
// It's unsafe to call HasOtherFamilyNames off the main thread because
// it entrains FindStyleVariations, which calls GetWeightOverride, which
// retrieves prefs. And the pref names can change (via user overrides),
// so we can't use StaticPrefs to access them.
if (NS_IsMainThread() && !HasOtherFamilyNames()) {
aLocalizedName = mName;
return;
}
NSString* family = GetNSStringForString(NS_ConvertUTF8toUTF16(mName));
NSString* localized = [sFontManager localizedNameForFamily:family face:nil];
if (localized) {
nsAutoString locName;
GetStringForNSString(localized, locName);
CopyUTF16toUTF8(locName, aLocalizedName);
return;
}
// failed to get localized name, just use the canonical one
aLocalizedName = mName;
}
// Return the CSS weight value to use for the given face, overriding what
// AppKit gives us (used to adjust families with bad weight values, see
// bug 931426).
// A return value of 0 indicates no override - use the existing weight.
static inline int GetWeightOverride(const nsAString& aPSName) {
nsAutoCString prefName("font.weight-override.");
// The PostScript name is required to be ASCII; if it's not, the font is
// broken anyway, so we really don't care that this is lossy.
LossyAppendUTF16toASCII(aPSName, prefName);
return Preferences::GetInt(prefName.get(), 0);
}
void gfxMacFontFamily::FindStyleVariations(FontInfoData* aFontInfoData) {
if (mHasStyles) return;
AUTO_PROFILER_LABEL_DYNAMIC_NSCSTRING("gfxMacFontFamily::FindStyleVariations", LAYOUT, mName);
nsAutoreleasePool localPool;
NSString* family = GetNSStringForString(NS_ConvertUTF8toUTF16(mName));
// create a font entry for each face
NSArray* fontfaces = [sFontManager
availableMembersOfFontFamily:family]; // returns an array of [psname, style name, weight,
// traits] elements, goofy api
int faceCount = [fontfaces count];
int faceIndex;
for (faceIndex = 0; faceIndex < faceCount; faceIndex++) {
NSArray* face = [fontfaces objectAtIndex:faceIndex];
NSString* psname = [face objectAtIndex:INDEX_FONT_POSTSCRIPT_NAME];
int32_t appKitWeight = [[face objectAtIndex:INDEX_FONT_WEIGHT] unsignedIntValue];
uint32_t macTraits = [[face objectAtIndex:INDEX_FONT_TRAITS] unsignedIntValue];
NSString* facename = [face objectAtIndex:INDEX_FONT_FACE_NAME];
bool isStandardFace = false;
if (appKitWeight == kAppleExtraLightWeight) {
// if the facename contains UltraLight, set the weight to the ultralight weight value
NSRange range = [facename rangeOfString:@"ultralight" options:NSCaseInsensitiveSearch];
if (range.location != NSNotFound) {
appKitWeight = kAppleUltraLightWeight;
}
}
// make a nsString
nsAutoString postscriptFontName;
GetStringForNSString(psname, postscriptFontName);
int32_t cssWeight = GetWeightOverride(postscriptFontName);
if (cssWeight) {
// scale down and clamp, to get a value from 1..9
cssWeight = ((cssWeight + 50) / 100);
cssWeight = std::max(1, std::min(cssWeight, 9));
} else {
cssWeight = gfxMacPlatformFontList::AppleWeightToCSSWeight(appKitWeight);
}
cssWeight *= 100; // scale up to CSS values
if ([facename isEqualToString:@"Regular"] || [facename isEqualToString:@"Bold"] ||
[facename isEqualToString:@"Italic"] || [facename isEqualToString:@"Oblique"] ||
[facename isEqualToString:@"Bold Italic"] || [facename isEqualToString:@"Bold Oblique"]) {
isStandardFace = true;
}
// create a font entry
MacOSFontEntry* fontEntry =
new MacOSFontEntry(NS_ConvertUTF16toUTF8(postscriptFontName),
WeightRange(FontWeight(cssWeight)), isStandardFace, mSizeHint);
if (!fontEntry) {
break;
}
// set additional properties based on the traits reported by Cocoa
if (macTraits & (NSCondensedFontMask | NSNarrowFontMask | NSCompressedFontMask)) {
fontEntry->mStretchRange = StretchRange(FontStretch::Condensed());
} else if (macTraits & NSExpandedFontMask) {
fontEntry->mStretchRange = StretchRange(FontStretch::Expanded());
}
// Cocoa fails to set the Italic traits bit for HelveticaLightItalic,
// at least (see bug 611855), so check for style name endings as well
if ((macTraits & NSItalicFontMask) || [facename hasSuffix:@"Italic"] ||
[facename hasSuffix:@"Oblique"]) {
fontEntry->mStyleRange = SlantStyleRange(FontSlantStyle::Italic());
}
if (macTraits & NSFixedPitchFontMask) {
fontEntry->mFixedPitch = true;
}
if (gfxPlatform::GetPlatform()->HasVariationFontSupport()) {
fontEntry->SetupVariationRanges();
}
if (LOG_FONTLIST_ENABLED()) {
nsAutoCString weightString;
fontEntry->Weight().ToString(weightString);
nsAutoCString stretchString;
fontEntry->Stretch().ToString(stretchString);
LOG_FONTLIST(("(fontlist) added (%s) to family (%s)"
" with style: %s weight: %s stretch: %s"
" (apple-weight: %d macTraits: %8.8x)",
fontEntry->Name().get(), Name().get(),
fontEntry->IsItalic() ? "italic" : "normal", weightString.get(),
stretchString.get(), appKitWeight, macTraits));
}
// insert into font entry array of family
AddFontEntry(fontEntry);
}
SortAvailableFonts();
SetHasStyles(true);
if (mIsBadUnderlineFamily) {
SetBadUnderlineFonts();
}
}
/* gfxSingleFaceMacFontFamily */
#pragma mark -
class gfxSingleFaceMacFontFamily : public gfxFontFamily {
public:
explicit gfxSingleFaceMacFontFamily(const nsACString& aName) : gfxFontFamily(aName) {
mFaceNamesInitialized = true; // omit from face name lists
}
virtual ~gfxSingleFaceMacFontFamily() = default;
virtual void LocalizedName(nsACString& aLocalizedName);
virtual void ReadOtherFamilyNames(gfxPlatformFontList* aPlatformFontList);
virtual bool IsSingleFaceFamily() const { return true; }
};
void gfxSingleFaceMacFontFamily::LocalizedName(nsACString& aLocalizedName) {
nsAutoreleasePool localPool;
if (!HasOtherFamilyNames()) {
aLocalizedName = mName;
return;
}
gfxFontEntry* fe = mAvailableFonts[0];
NSFont* font = [NSFont fontWithName:GetNSStringForString(NS_ConvertUTF8toUTF16(fe->Name()))
size:0.0];
if (font) {
NSString* localized = [font displayName];
if (localized) {
nsAutoString locName;
GetStringForNSString(localized, locName);
CopyUTF16toUTF8(locName, aLocalizedName);
return;
}
}
// failed to get localized name, just use the canonical one
aLocalizedName = mName;
}
void gfxSingleFaceMacFontFamily::ReadOtherFamilyNames(gfxPlatformFontList* aPlatformFontList) {
if (mOtherFamilyNamesInitialized) {
return;
}
gfxFontEntry* fe = mAvailableFonts[0];
if (!fe) {
return;
}
const uint32_t kNAME = TRUETYPE_TAG('n', 'a', 'm', 'e');
gfxFontEntry::AutoTable nameTable(fe, kNAME);
if (!nameTable) {
return;
}
mHasOtherFamilyNames = ReadOtherFamilyNamesForFace(aPlatformFontList, nameTable, true);
mOtherFamilyNamesInitialized = true;
}
/* gfxMacPlatformFontList */
#pragma mark -
// A bunch of fonts for "additional language support" are shipped in a
// "Language Support" directory, and don't show up in the standard font
// list returned by CTFontManagerCopyAvailableFontFamilyNames unless
// we explicitly activate them.
#define LANG_FONTS_DIR "/Library/Application Support/Apple/Fonts/Language Support"
gfxMacPlatformFontList::gfxMacPlatformFontList()
: gfxPlatformFontList(false), mDefaultFont(nullptr), mUseSizeSensitiveSystemFont(false) {
#ifdef MOZ_BUNDLED_FONTS
ActivateBundledFonts();
#endif
nsresult rv;
nsCOMPtr<nsIFile> langFonts(do_CreateInstance(NS_LOCAL_FILE_CONTRACTID, &rv));
if (NS_SUCCEEDED(rv)) {
rv = langFonts->InitWithNativePath(NS_LITERAL_CSTRING(LANG_FONTS_DIR));
if (NS_SUCCEEDED(rv)) {
ActivateFontsFromDir(langFonts);
}
}
// Only the parent process listens for OS font-changed notifications;
// after rebuilding its list, it will update the content processes.
if (XRE_IsParentProcess()) {
::CFNotificationCenterAddObserver(::CFNotificationCenterGetLocalCenter(), this,
RegisteredFontsChangedNotificationCallback,
kCTFontManagerRegisteredFontsChangedNotification, 0,
CFNotificationSuspensionBehaviorDeliverImmediately);
}
// cache this in a static variable so that MacOSFontFamily objects
// don't have to repeatedly look it up
sFontManager = [NSFontManager sharedFontManager];
}
gfxMacPlatformFontList::~gfxMacPlatformFontList() {
if (XRE_IsParentProcess()) {
::CFNotificationCenterRemoveObserver(::CFNotificationCenterGetLocalCenter(), this,
kCTFontManagerRegisteredFontsChangedNotification, 0);
}
if (mDefaultFont) {
::CFRelease(mDefaultFont);
}
}
void gfxMacPlatformFontList::AddFamily(const nsACString& aFamilyName, bool aSystemFont) {
FontFamilyTable& table = aSystemFont ? mSystemFontFamilies : mFontFamilies;
double sizeHint = 0.0;
if (aSystemFont && mUseSizeSensitiveSystemFont &&
mSystemDisplayFontFamilyName.Equals(aFamilyName)) {
sizeHint = 128.0;
}
nsAutoCString key;
ToLowerCase(aFamilyName, key);
RefPtr<gfxFontFamily> familyEntry = new gfxMacFontFamily(aFamilyName, sizeHint);
table.Put(key, familyEntry);
// check the bad underline blacklist
if (mBadUnderlineFamilyNames.ContainsSorted(key)) {
familyEntry->SetBadUnderlineFamily();
}
}
void gfxMacPlatformFontList::AddFamily(CFStringRef aFamily) {
NSString* family = (NSString*)aFamily;
// CTFontManager includes weird internal family names and
// LastResort, skip over those
if (!family || [family caseInsensitiveCompare:@"LastResort"] == NSOrderedSame ||
[family caseInsensitiveCompare:@".LastResort"] == NSOrderedSame) {
return;
}
nsAutoString familyName;
nsCocoaUtils::GetStringForNSString(family, familyName);
bool isHiddenSystemFont = familyName[0] == '.';
AddFamily(NS_ConvertUTF16toUTF8(familyName), isHiddenSystemFont);
}
void gfxMacPlatformFontList::ReadSystemFontList(nsTArray<SystemFontListEntry>* aList) {
// Note: We rely on the records for mSystemTextFontFamilyName and
// mSystemDisplayFontFamilyName (if present) being *before* the main
// font list, so that those names are known in the content process
// by the time we add the actual family records to the font list.
aList->AppendElement(FontFamilyListEntry(mSystemTextFontFamilyName, kTextSizeSystemFontFamily));
if (mUseSizeSensitiveSystemFont) {
aList->AppendElement(
FontFamilyListEntry(mSystemDisplayFontFamilyName, kDisplaySizeSystemFontFamily));
}
// Now collect the lists of available families, both hidden and visible.
for (auto f = mSystemFontFamilies.Iter(); !f.Done(); f.Next()) {
aList->AppendElement(FontFamilyListEntry(f.Data()->Name(), kHiddenSystemFontFamily));
}
for (auto f = mFontFamilies.Iter(); !f.Done(); f.Next()) {
auto macFamily = static_cast<gfxMacFontFamily*>(f.Data().get());
if (macFamily->IsSingleFaceFamily()) {
continue; // skip, this will be recreated separately in the child
}
aList->AppendElement(FontFamilyListEntry(macFamily->Name(), kStandardFontFamily));
}
}
nsresult gfxMacPlatformFontList::InitFontListForPlatform() {
nsAutoreleasePool localPool;
Telemetry::AutoTimer<Telemetry::MAC_INITFONTLIST_TOTAL> timer;
// reset system font list
mSystemFontFamilies.Clear();
if (XRE_IsContentProcess()) {
// Content process: use font list passed from the chrome process via
// the GetXPCOMProcessAttributes message, because it's much faster than
// querying Core Text again in the child.
auto& fontList = dom::ContentChild::GetSingleton()->SystemFontList();
for (SystemFontListEntry& fle : fontList) {
MOZ_ASSERT(fle.type() == SystemFontListEntry::Type::TFontFamilyListEntry);
FontFamilyListEntry& ffe(fle);
switch (ffe.entryType()) {
case kStandardFontFamily:
AddFamily(ffe.familyName(), false);
break;
case kHiddenSystemFontFamily:
AddFamily(ffe.familyName(), true);
break;
case kTextSizeSystemFontFamily:
mSystemTextFontFamilyName = ffe.familyName();
break;
case kDisplaySizeSystemFontFamily:
mSystemDisplayFontFamilyName = ffe.familyName();
mUseSizeSensitiveSystemFont = true;
break;
}
}
fontList.Clear();
} else {
// We're not a content process, so get the available fonts directly
// from Core Text.
InitSystemFontNames();
CFArrayRef familyNames = CTFontManagerCopyAvailableFontFamilyNames();
for (NSString* familyName in (NSArray*)familyNames) {
AddFamily((CFStringRef)familyName);
}
CFRelease(familyNames);
}
InitSingleFaceList();
// to avoid full search of font name tables, seed the other names table with localized names from
// some of the prefs fonts which are accessed via their localized names. changes in the pref
// fonts will only cause a font lookup miss earlier. this is a simple optimization, it's not
// required for correctness
PreloadNamesList();
// start the delayed cmap loader
GetPrefsAndStartLoader();
return NS_OK;
}
void gfxMacPlatformFontList::InitSharedFontListForPlatform() {
InitSystemFontNames();
if (XRE_IsParentProcess()) {
CFArrayRef familyNames = CTFontManagerCopyAvailableFontFamilyNames();
nsTArray<fontlist::Family::InitData> families;
for (NSString* familyName in (NSArray*)familyNames) {
nsAutoString name16;
GetStringForNSString(familyName, name16);
NS_ConvertUTF16toUTF8 name(name16);
nsAutoCString key;
GenerateFontListKey(name, key);
bool isHidden = key.EqualsLiteral("lastresort") || key[0] == '.';
families.AppendElement(fontlist::Family::InitData(key, name, 0, isHidden));
}
CFRelease(familyNames);
ApplyWhitelist(families);
families.Sort();
SharedFontList()->SetFamilyNames(families);
InitAliasesForSingleFaceList();
GetPrefsAndStartLoader();
}
}
void gfxMacPlatformFontList::InitAliasesForSingleFaceList() {
AutoTArray<nsCString, 10> singleFaceFonts;
gfxFontUtils::GetPrefsFontList("font.single-face-list", singleFaceFonts);
for (auto& familyName : singleFaceFonts) {
LOG_FONTLIST(("(fontlist-singleface) face name: %s\n", familyName.get()));
// Each entry in the "single face families" list is expected to be a
// colon-separated pair of FaceName:Family,
// where FaceName is the individual face name (psname) of a font
// that should be exposed as a separate family name,
// and Family is the standard family to which that face belongs.
// The only such face listed by default is
// Osaka-Mono:Osaka
auto colon = familyName.FindChar(':');
if (colon == kNotFound) {
continue;
}
// Look for the parent family in the main font family list,
// and ensure we have loaded its list of available faces.
nsAutoCString key;
GenerateFontListKey(Substring(familyName, colon + 1), key);
fontlist::Family* family = SharedFontList()->FindFamily(key);
if (!family) {
// The parent family is not present, so just ignore this entry.
continue;
}
if (!family->IsInitialized()) {
if (!gfxPlatformFontList::InitializeFamily(family)) {
// This shouldn't ever fail, but if it does, we can safely ignore it.
MOZ_ASSERT(false, "failed to initialize font family");
continue;
}
}
// Truncate the entry from prefs at the colon, so now it is just the
// desired single-face-family name.
familyName.Truncate(colon);
// Look through the family's faces to see if this one is present.
fontlist::FontList* list = SharedFontList();
const fontlist::Pointer* facePtrs = family->Faces(list);
for (size_t i = 0; i < family->NumFaces(); i++) {
if (facePtrs[i].IsNull()) {
continue;
}
auto face = static_cast<const fontlist::Face*>(facePtrs[i].ToPtr(list));
if (face->mDescriptor.AsString(list).Equals(familyName)) {
// Found it! Create an entry in the Alias table.
GenerateFontListKey(familyName, key);
if (SharedFontList()->FindFamily(key) || mAliasTable.Get(key)) {
// If the family name is already known, something's misconfigured;
// just ignore it.
MOZ_ASSERT(false, "single-face family already known");
break;
}
auto aliasData = mAliasTable.LookupOrAdd(key);
// The "alias" here isn't based on an existing family, so we don't call
// aliasData->InitFromFamily(); the various flags are left as defaults.
aliasData->mFaces.AppendElement(facePtrs[i]);
break;
}
}
}
}
void gfxMacPlatformFontList::InitSingleFaceList() {
AutoTArray<nsCString, 10> singleFaceFonts;
gfxFontUtils::GetPrefsFontList("font.single-face-list", singleFaceFonts);
for (auto& familyName : singleFaceFonts) {
LOG_FONTLIST(("(fontlist-singleface) face name: %s\n", familyName.get()));
// Each entry in the "single face families" list is expected to be a
// colon-separated pair of FaceName:Family,
// where FaceName is the individual face name (psname) of a font
// that should be exposed as a separate family name,
// and Family is the standard family to which that face belongs.
// The only such face listed by default is
// Osaka-Mono:Osaka
auto colon = familyName.FindChar(':');
if (colon == kNotFound) {
continue;
}
// Look for the parent family in the main font family list,
// and ensure we have loaded its list of available faces.
nsAutoCString key(Substring(familyName, colon + 1));
ToLowerCase(key);
gfxFontFamily* family = mFontFamilies.GetWeak(key);
if (!family) {
continue;
}
family->FindStyleVariations();
// Truncate the entry from prefs at the colon, so now it is just the
// desired single-face-family name.
familyName.Truncate(colon);
// Look through the family's faces to see if this one is present.
const gfxFontEntry* fe = nullptr;
for (const auto& face : family->GetFontList()) {
if (face->Name().Equals(familyName)) {
fe = face;
break;
}
}
if (!fe) {
continue;
}
// We found the correct face, so create the single-face family record.
GenerateFontListKey(familyName, key);
LOG_FONTLIST(("(fontlist-singleface) family name: %s, key: %s\n", familyName.get(), key.get()));
// add only if doesn't exist already
if (!mFontFamilies.GetWeak(key)) {
RefPtr<gfxFontFamily> familyEntry = new gfxSingleFaceMacFontFamily(familyName);
// We need a separate font entry, because its family name will
// differ from the one we found in the main list.
MacOSFontEntry* fontEntry = new MacOSFontEntry(
fe->Name(), fe->Weight(), true, static_cast<const MacOSFontEntry*>(fe)->mSizeHint);
familyEntry->AddFontEntry(fontEntry);
familyEntry->SetHasStyles(true);
mFontFamilies.Put(key, familyEntry);
LOG_FONTLIST(
("(fontlist-singleface) added new family: %s, key: %s\n", familyName.get(), key.get()));
}
}
}
// System fonts under OSX may contain weird "meta" names but if we create
// a new font using just the Postscript name, the NSFont api returns an object
// with the actual real family name. For example, under OSX 10.11:
//
// [[NSFont menuFontOfSize:8.0] familyName] ==> .AppleSystemUIFont
// [[NSFont fontWithName:[[[NSFont menuFontOfSize:8.0] fontDescriptor] postscriptName]
// size:8.0] familyName] ==> .SF NS Text
static NSString* GetRealFamilyName(NSFont* aFont) {
NSFont* f = [NSFont fontWithName:[[aFont fontDescriptor] postscriptName] size:0.0];
return [f familyName];
}
// System fonts under OSX 10.11 use a combination of two families, one
// for text sizes and another for larger, display sizes. Each has a
// different number of weights. There aren't efficient API's for looking
// this information up, so hard code the logic here but confirm via
// debug assertions that the logic is correct.
const CGFloat kTextDisplayCrossover = 20.0; // use text family below this size
void gfxMacPlatformFontList::InitSystemFontNames() {
// system font under 10.11 are two distinct families for text/display sizes
if (nsCocoaFeatures::OnElCapitanOrLater()) {
mUseSizeSensitiveSystemFont = true;
}
// text font family
NSFont* sys = [NSFont systemFontOfSize:0.0];
NSString* textFamilyName = GetRealFamilyName(sys);
nsAutoString familyName;
nsCocoaUtils::GetStringForNSString(textFamilyName, familyName);
CopyUTF16toUTF8(familyName, mSystemTextFontFamilyName);
// display font family, if on OSX 10.11
if (mUseSizeSensitiveSystemFont) {
NSFont* displaySys = [NSFont systemFontOfSize:128.0];
NSString* displayFamilyName = GetRealFamilyName(displaySys);
nsCocoaUtils::GetStringForNSString(displayFamilyName, familyName);
CopyUTF16toUTF8(familyName, mSystemDisplayFontFamilyName);
#if DEBUG
// confirm that the optical size switch is at 20.0
NS_ASSERTION([textFamilyName compare:displayFamilyName] != NSOrderedSame,
"system text/display fonts are the same!");
NSString* fam19 = GetRealFamilyName([NSFont systemFontOfSize:(kTextDisplayCrossover - 1.0)]);
NSString* fam20 = GetRealFamilyName([NSFont systemFontOfSize:kTextDisplayCrossover]);
NS_ASSERTION(fam19 && fam20 && [fam19 compare:fam20] != NSOrderedSame,
"system text/display font size switch point is not as expected!");
#endif
}
#ifdef DEBUG
// different system font API's always map to the same family under OSX, so
// just assume that and emit a warning if that ever changes
NSString* sysFamily = GetRealFamilyName([NSFont systemFontOfSize:0.0]);
if ([sysFamily compare:GetRealFamilyName([NSFont boldSystemFontOfSize:0.0])] != NSOrderedSame ||
[sysFamily compare:GetRealFamilyName([NSFont controlContentFontOfSize:0.0])] !=
NSOrderedSame ||
[sysFamily compare:GetRealFamilyName([NSFont menuBarFontOfSize:0.0])] != NSOrderedSame ||
[sysFamily compare:GetRealFamilyName([NSFont toolTipsFontOfSize:0.0])] != NSOrderedSame) {
NS_WARNING("system font types map to different font families"
" -- please log a bug!!");
}
#endif
}
gfxFontFamily* gfxMacPlatformFontList::FindSystemFontFamily(const nsACString& aFamily) {
nsAutoCString key;
GenerateFontListKey(aFamily, key);
gfxFontFamily* familyEntry;
// lookup in hidden system family name list
if ((familyEntry = mSystemFontFamilies.GetWeak(key))) {
return CheckFamily(familyEntry);
}
// lookup in user-exposed family name list
if ((familyEntry = mFontFamilies.GetWeak(key))) {
return CheckFamily(familyEntry);
}
return nullptr;
}
void gfxMacPlatformFontList::RegisteredFontsChangedNotificationCallback(
CFNotificationCenterRef center, void* observer, CFStringRef name, const void* object,
CFDictionaryRef userInfo) {
if (!::CFEqual(name, kCTFontManagerRegisteredFontsChangedNotification)) {
return;
}
gfxMacPlatformFontList* fl = static_cast<gfxMacPlatformFontList*>(observer);
// xxx - should be carefully pruning the list of fonts, not rebuilding it from scratch
fl->UpdateFontList();
// modify a preference that will trigger reflow everywhere
fl->ForceGlobalReflow();
mozilla::dom::ContentParent::NotifyUpdatedFonts();
}
gfxFontEntry* gfxMacPlatformFontList::PlatformGlobalFontFallback(const uint32_t aCh,
Script aRunScript,
const gfxFontStyle* aMatchStyle,
FontFamily* aMatchedFamily) {
CFStringRef str;
UniChar ch[2];
CFIndex length = 1;
if (IS_IN_BMP(aCh)) {
ch[0] = aCh;
str = ::CFStringCreateWithCharactersNoCopy(kCFAllocatorDefault, ch, 1, kCFAllocatorNull);
} else {
ch[0] = H_SURROGATE(aCh);
ch[1] = L_SURROGATE(aCh);
str = ::CFStringCreateWithCharactersNoCopy(kCFAllocatorDefault, ch, 2, kCFAllocatorNull);
if (!str) {
return nullptr;
}
length = 2;
}
// use CoreText to find the fallback family
gfxFontEntry* fontEntry = nullptr;
CTFontRef fallback;
bool cantUseFallbackFont = false;
if (!mDefaultFont) {
mDefaultFont = ::CTFontCreateWithName(CFSTR("LucidaGrande"), 12.f, NULL);
}
fallback = ::CTFontCreateForString(mDefaultFont, str, ::CFRangeMake(0, length));
if (fallback) {
CFStringRef familyNameRef = ::CTFontCopyFamilyName(fallback);
::CFRelease(fallback);
if (familyNameRef &&
::CFStringCompare(familyNameRef, CFSTR("LastResort"), kCFCompareCaseInsensitive) !=
kCFCompareEqualTo &&
::CFStringCompare(familyNameRef, CFSTR(".LastResort"), kCFCompareCaseInsensitive) !=
kCFCompareEqualTo) {
AutoTArray<UniChar, 1024> buffer;
CFIndex familyNameLen = ::CFStringGetLength(familyNameRef);
buffer.SetLength(familyNameLen + 1);
::CFStringGetCharacters(familyNameRef, ::CFRangeMake(0, familyNameLen), buffer.Elements());
buffer[familyNameLen] = 0;
NS_ConvertUTF16toUTF8 familyNameString(reinterpret_cast<char16_t*>(buffer.Elements()),
familyNameLen);
if (SharedFontList()) {
fontlist::Family* family = FindSharedFamily(familyNameString);
if (family) {
fontlist::Face* face = family->FindFaceForStyle(SharedFontList(), *aMatchStyle);
if (face) {
fontEntry = GetOrCreateFontEntry(face, family);
}
if (fontEntry) {
if (fontEntry->HasCharacter(aCh)) {
*aMatchedFamily = FontFamily(family);
} else {
fontEntry = nullptr;
cantUseFallbackFont = true;
}
}
}
} else {
gfxFontFamily* family = FindSystemFontFamily(familyNameString);
if (family) {
fontEntry = family->FindFontForStyle(*aMatchStyle);
if (fontEntry) {
if (fontEntry->HasCharacter(aCh)) {
*aMatchedFamily = FontFamily(family);
} else {
fontEntry = nullptr;
cantUseFallbackFont = true;
}
}
}
}
}
if (familyNameRef) {
::CFRelease(familyNameRef);
}
}
if (cantUseFallbackFont) {
Telemetry::Accumulate(Telemetry::BAD_FALLBACK_FONT, cantUseFallbackFont);
}
::CFRelease(str);
return fontEntry;
}
FontFamily gfxMacPlatformFontList::GetDefaultFontForPlatform(const gfxFontStyle* aStyle) {
nsAutoreleasePool localPool;
NSString* defaultFamily = [[NSFont userFontOfSize:aStyle->size] familyName];
nsAutoString familyName;
GetStringForNSString(defaultFamily, familyName);
return FindFamily(NS_ConvertUTF16toUTF8(familyName));
}
int32_t gfxMacPlatformFontList::AppleWeightToCSSWeight(int32_t aAppleWeight) {
if (aAppleWeight < 1)
aAppleWeight = 1;
else if (aAppleWeight > kAppleMaxWeight)
aAppleWeight = kAppleMaxWeight;
return gAppleWeightToCSSWeight[aAppleWeight];
}
gfxFontEntry* gfxMacPlatformFontList::LookupLocalFont(const nsACString& aFontName,
WeightRange aWeightForEntry,
StretchRange aStretchForEntry,
SlantStyleRange aStyleForEntry) {
nsAutoreleasePool localPool;
NSString* faceName = GetNSStringForString(NS_ConvertUTF8toUTF16(aFontName));
MacOSFontEntry* newFontEntry;
// lookup face based on postscript or full name
CGFontRef fontRef = ::CGFontCreateWithFontName(CFStringRef(faceName));
if (!fontRef) {
return nullptr;
}
newFontEntry = new MacOSFontEntry(aFontName, fontRef, aWeightForEntry, aStretchForEntry,
aStyleForEntry, false, true);
::CFRelease(fontRef);
return newFontEntry;
}
static void ReleaseData(void* info, const void* data, size_t size) { free((void*)data); }
gfxFontEntry* gfxMacPlatformFontList::MakePlatformFont(const nsACString& aFontName,
WeightRange aWeightForEntry,
StretchRange aStretchForEntry,
SlantStyleRange aStyleForEntry,
const uint8_t* aFontData, uint32_t aLength) {
NS_ASSERTION(aFontData, "MakePlatformFont called with null data");
// create the font entry
nsAutoString uniqueName;
nsresult rv = gfxFontUtils::MakeUniqueUserFontName(uniqueName);
if (NS_FAILED(rv)) {
return nullptr;
}
CGDataProviderRef provider =
::CGDataProviderCreateWithData(nullptr, aFontData, aLength, &ReleaseData);
CGFontRef fontRef = ::CGFontCreateWithDataProvider(provider);
::CGDataProviderRelease(provider);
if (!fontRef) {
return nullptr;
}
auto newFontEntry =
MakeUnique<MacOSFontEntry>(NS_ConvertUTF16toUTF8(uniqueName), fontRef, aWeightForEntry,
aStretchForEntry, aStyleForEntry, true, false);
::CFRelease(fontRef);
return newFontEntry.release();
}
// Webkit code uses a system font meta name, so mimic that here
// WebCore/platform/graphics/mac/FontCacheMac.mm
static const char kSystemFont_system[] = "-apple-system";
bool gfxMacPlatformFontList::FindAndAddFamilies(mozilla::StyleGenericFontFamily aGeneric,
const nsACString& aFamily,
nsTArray<FamilyAndGeneric>* aOutput,
FindFamiliesFlags aFlags, gfxFontStyle* aStyle,
gfxFloat aDevToCssSize) {
// search for special system font name, -apple-system
if (SharedFontList()) {
if (aFamily.EqualsLiteral(kSystemFont_system)) {
if (mUseSizeSensitiveSystemFont && aStyle &&
(aStyle->size * aDevToCssSize) >= kTextDisplayCrossover) {
return gfxPlatformFontList::FindAndAddFamilies(aGeneric, mSystemDisplayFontFamilyName,
aOutput, aFlags, aStyle, aDevToCssSize);
}
return gfxPlatformFontList::FindAndAddFamilies(aGeneric, mSystemTextFontFamilyName, aOutput,
aFlags, aStyle, aDevToCssSize);
}
} else {
if (aFamily.EqualsLiteral(kSystemFont_system)) {
if (mUseSizeSensitiveSystemFont && aStyle &&
(aStyle->size * aDevToCssSize) >= kTextDisplayCrossover) {
aOutput->AppendElement(FindSystemFontFamily(mSystemDisplayFontFamilyName));
return true;
}
aOutput->AppendElement(FindSystemFontFamily(mSystemTextFontFamilyName));
return true;
}
}
return gfxPlatformFontList::FindAndAddFamilies(aGeneric, aFamily, aOutput, aFlags, aStyle,
aDevToCssSize);
}
void gfxMacPlatformFontList::LookupSystemFont(LookAndFeel::FontID aSystemFontID,
nsACString& aSystemFontName,
gfxFontStyle& aFontStyle) {
// code moved here from widget/cocoa/nsLookAndFeel.mm
NSFont* font = nullptr;
char* systemFontName = nullptr;
switch (aSystemFontID) {
case LookAndFeel::eFont_MessageBox:
case LookAndFeel::eFont_StatusBar:
case LookAndFeel::eFont_List:
case LookAndFeel::eFont_Field:
case LookAndFeel::eFont_Button:
case LookAndFeel::eFont_Widget:
font = [NSFont systemFontOfSize:[NSFont smallSystemFontSize]];
systemFontName = (char*)kSystemFont_system;
break;
case LookAndFeel::eFont_SmallCaption:
font = [NSFont boldSystemFontOfSize:[NSFont smallSystemFontSize]];
systemFontName = (char*)kSystemFont_system;
break;
case LookAndFeel::eFont_Icon: // used in urlbar; tried labelFont, but too small
case LookAndFeel::eFont_Workspace:
case LookAndFeel::eFont_Desktop:
case LookAndFeel::eFont_Info:
font = [NSFont controlContentFontOfSize:0.0];
systemFontName = (char*)kSystemFont_system;
break;
case LookAndFeel::eFont_PullDownMenu:
font = [NSFont menuBarFontOfSize:0.0];
systemFontName = (char*)kSystemFont_system;
break;
case LookAndFeel::eFont_Tooltips:
font = [NSFont toolTipsFontOfSize:0.0];
systemFontName = (char*)kSystemFont_system;
break;
case LookAndFeel::eFont_Caption:
case LookAndFeel::eFont_Menu:
case LookAndFeel::eFont_Dialog:
default:
font = [NSFont systemFontOfSize:0.0];
systemFontName = (char*)kSystemFont_system;
break;
}
NS_ASSERTION(font, "system font not set");
NS_ASSERTION(systemFontName, "system font name not set");
if (systemFontName) {
aSystemFontName.AssignASCII(systemFontName);
}
NSFontSymbolicTraits traits = [[font fontDescriptor] symbolicTraits];
aFontStyle.style =
(traits & NSFontItalicTrait) ? FontSlantStyle::Italic() : FontSlantStyle::Normal();
aFontStyle.weight = (traits & NSFontBoldTrait) ? FontWeight::Bold() : FontWeight::Normal();
aFontStyle.stretch =
(traits & NSFontExpandedTrait)
? FontStretch::Expanded()
: (traits & NSFontCondensedTrait) ? FontStretch::Condensed() : FontStretch::Normal();
aFontStyle.size = [font pointSize];
aFontStyle.systemFont = true;
}
// used to load system-wide font info on off-main thread
class MacFontInfo : public FontInfoData {
public:
MacFontInfo(bool aLoadOtherNames, bool aLoadFaceNames, bool aLoadCmaps)
: FontInfoData(aLoadOtherNames, aLoadFaceNames, aLoadCmaps) {}
virtual ~MacFontInfo() = default;
virtual void Load() {
nsAutoreleasePool localPool;
FontInfoData::Load();
}
// loads font data for all members of a given family
virtual void LoadFontFamilyData(const nsACString& aFamilyName);
};
void MacFontInfo::LoadFontFamilyData(const nsACString& aFamilyName) {
// family name ==> CTFontDescriptor
NSString* famName = GetNSStringForString(NS_ConvertUTF8toUTF16(aFamilyName));
CFStringRef family = CFStringRef(famName);
CFMutableDictionaryRef attr = CFDictionaryCreateMutable(NULL, 0, &kCFTypeDictionaryKeyCallBacks,
&kCFTypeDictionaryValueCallBacks);
CFDictionaryAddValue(attr, kCTFontFamilyNameAttribute, family);
CTFontDescriptorRef fd = CTFontDescriptorCreateWithAttributes(attr);
CFRelease(attr);
CFArrayRef matchingFonts = CTFontDescriptorCreateMatchingFontDescriptors(fd, NULL);
CFRelease(fd);
if (!matchingFonts) {
return;
}
nsTArray<nsCString> otherFamilyNames;
bool hasOtherFamilyNames = true;
// iterate over faces in the family
int f, numFaces = (int)CFArrayGetCount(matchingFonts);
for (f = 0; f < numFaces; f++) {
mLoadStats.fonts++;
CTFontDescriptorRef faceDesc = (CTFontDescriptorRef)CFArrayGetValueAtIndex(matchingFonts, f);
if (!faceDesc) {
continue;
}
CTFontRef fontRef = CTFontCreateWithFontDescriptor(faceDesc, 0.0, nullptr);
if (!fontRef) {
NS_WARNING("failed to create a CTFontRef");
continue;
}
if (mLoadCmaps) {
// face name
CFStringRef faceName =
(CFStringRef)CTFontDescriptorCopyAttribute(faceDesc, kCTFontNameAttribute);
AutoTArray<UniChar, 1024> buffer;
CFIndex len = CFStringGetLength(faceName);
buffer.SetLength(len + 1);
CFStringGetCharacters(faceName, ::CFRangeMake(0, len), buffer.Elements());
buffer[len] = 0;
NS_ConvertUTF16toUTF8 fontName(reinterpret_cast<char16_t*>(buffer.Elements()), len);
// load the cmap data
FontFaceData fontData;
CFDataRef cmapTable = CTFontCopyTable(fontRef, kCTFontTableCmap, kCTFontTableOptionNoOptions);
if (cmapTable) {
const uint8_t* cmapData = (const uint8_t*)CFDataGetBytePtr(cmapTable);
uint32_t cmapLen = CFDataGetLength(cmapTable);
RefPtr<gfxCharacterMap> charmap = new gfxCharacterMap();
uint32_t offset;
nsresult rv;
rv = gfxFontUtils::ReadCMAP(cmapData, cmapLen, *charmap, offset);
if (NS_SUCCEEDED(rv)) {
fontData.mCharacterMap = charmap;
fontData.mUVSOffset = offset;
mLoadStats.cmaps++;
}
CFRelease(cmapTable);
}
mFontFaceData.Put(fontName, fontData);
CFRelease(faceName);
}
if (mLoadOtherNames && hasOtherFamilyNames) {
CFDataRef nameTable = CTFontCopyTable(fontRef, kCTFontTableName, kCTFontTableOptionNoOptions);
if (nameTable) {
const char* nameData = (const char*)CFDataGetBytePtr(nameTable);
uint32_t nameLen = CFDataGetLength(nameTable);
gfxFontUtils::ReadOtherFamilyNamesForFace(aFamilyName, nameData, nameLen, otherFamilyNames,
false);
hasOtherFamilyNames = otherFamilyNames.Length() != 0;
CFRelease(nameTable);
}
}
CFRelease(fontRef);
}
CFRelease(matchingFonts);
// if found other names, insert them in the hash table
if (otherFamilyNames.Length() != 0) {
mOtherFamilyNames.Put(aFamilyName, otherFamilyNames);
mLoadStats.othernames += otherFamilyNames.Length();
}
}
already_AddRefed<FontInfoData> gfxMacPlatformFontList::CreateFontInfoData() {
bool loadCmaps =
!UsesSystemFallback() || gfxPlatform::GetPlatform()->UseCmapsDuringSystemFallback();
RefPtr<MacFontInfo> fi = new MacFontInfo(true, NeedFullnamePostscriptNames(), loadCmaps);
return fi.forget();
}
gfxFontFamily* gfxMacPlatformFontList::CreateFontFamily(const nsACString& aName) const {
return new gfxMacFontFamily(aName, 0.0);
}
void gfxMacPlatformFontList::ActivateFontsFromDir(nsIFile* aDir) {
bool isDir;
if (NS_FAILED(aDir->IsDirectory(&isDir)) || !isDir) {
return;
}
nsCOMPtr<nsIDirectoryEnumerator> e;
if (NS_FAILED(aDir->GetDirectoryEntries(getter_AddRefs(e)))) {
return;
}
CFMutableArrayRef urls = ::CFArrayCreateMutable(kCFAllocatorDefault, 0, &kCFTypeArrayCallBacks);
bool hasMore;
while (NS_SUCCEEDED(e->HasMoreElements(&hasMore)) && hasMore) {
nsCOMPtr<nsISupports> entry;
if (NS_FAILED(e->GetNext(getter_AddRefs(entry)))) {
break;
}
nsCOMPtr<nsIFile> file = do_QueryInterface(entry);
if (!file) {
continue;
}
nsCString path;
if (NS_FAILED(file->GetNativePath(path))) {
continue;
}
CFURLRef fontURL = ::CFURLCreateFromFileSystemRepresentation(
kCFAllocatorDefault, (uint8_t*)path.get(), path.Length(), false);
if (fontURL) {
::CFArrayAppendValue(urls, fontURL);
::CFRelease(fontURL);
}
}
::CTFontManagerRegisterFontsForURLs(urls, kCTFontManagerScopeProcess, nullptr);
::CFRelease(urls);
}
void gfxMacPlatformFontList::GetFacesInitDataForFamily(
const fontlist::Family* aFamily, nsTArray<fontlist::Face::InitData>& aFaces) const {
nsAutoreleasePool localPool;
NS_ConvertUTF8toUTF16 name(aFamily->Key().AsString(SharedFontList()));
NSString* family = GetNSStringForString(name);
// returns an array of [psname, style name, weight, traits] elements, goofy api
NSArray* fontfaces = [sFontManager availableMembersOfFontFamily:family];
int faceCount = [fontfaces count];
for (int faceIndex = 0; faceIndex < faceCount; faceIndex++) {
NSArray* face = [fontfaces objectAtIndex:faceIndex];
NSString* psname = [face objectAtIndex:INDEX_FONT_POSTSCRIPT_NAME];
int32_t appKitWeight = [[face objectAtIndex:INDEX_FONT_WEIGHT] unsignedIntValue];
uint32_t macTraits = [[face objectAtIndex:INDEX_FONT_TRAITS] unsignedIntValue];
NSString* facename = [face objectAtIndex:INDEX_FONT_FACE_NAME];
bool isStandardFace = false;
if (appKitWeight == kAppleExtraLightWeight) {
// if the facename contains UltraLight, set the weight to the ultralight weight value
NSRange range = [facename rangeOfString:@"ultralight" options:NSCaseInsensitiveSearch];
if (range.location != NSNotFound) {
appKitWeight = kAppleUltraLightWeight;
}
}
// make a nsString
nsAutoString postscriptFontName;
GetStringForNSString(psname, postscriptFontName);
int32_t cssWeight = GetWeightOverride(postscriptFontName);
if (cssWeight) {
// scale down and clamp, to get a value from 1..9
cssWeight = ((cssWeight + 50) / 100);
cssWeight = std::max(1, std::min(cssWeight, 9));
} else {
cssWeight = gfxMacPlatformFontList::AppleWeightToCSSWeight(appKitWeight);
}
cssWeight *= 100; // scale up to CSS values
if ([facename isEqualToString:@"Regular"] || [facename isEqualToString:@"Bold"] ||
[facename isEqualToString:@"Italic"] || [facename isEqualToString:@"Oblique"] ||
[facename isEqualToString:@"Bold Italic"] || [facename isEqualToString:@"Bold Oblique"]) {
isStandardFace = true;
}
StretchRange stretch(FontStretch::Normal());
if (macTraits & (NSCondensedFontMask | NSNarrowFontMask | NSCompressedFontMask)) {
stretch = StretchRange(FontStretch::Condensed());
} else if (macTraits & NSExpandedFontMask) {
stretch = StretchRange(FontStretch::Expanded());
}
// Cocoa fails to set the Italic traits bit for HelveticaLightItalic,
// at least (see bug 611855), so check for style name endings as well
SlantStyleRange slantStyle(FontSlantStyle::Normal());
if ((macTraits & NSItalicFontMask) || [facename hasSuffix:@"Italic"] ||
[facename hasSuffix:@"Oblique"]) {
slantStyle = SlantStyleRange(FontSlantStyle::Italic());
}
bool fixedPitch = (macTraits & NSFixedPitchFontMask) ? true : false;
aFaces.AppendElement(fontlist::Face::InitData{
NS_ConvertUTF16toUTF8(postscriptFontName),
0,
fixedPitch,
WeightRange(FontWeight(cssWeight)),
stretch,
slantStyle,
});
}
}
void gfxMacPlatformFontList::ReadFaceNamesForFamily(fontlist::Family* aFamily,
bool aNeedFullnamePostscriptNames) {
if (!aFamily->IsInitialized()) {
if (!InitializeFamily(aFamily)) {
return;
}
}
const uint32_t kNAME = TRUETYPE_TAG('n', 'a', 'm', 'e');
fontlist::FontList* list = SharedFontList();
nsAutoCString canonicalName(aFamily->DisplayName().AsString(list));
const fontlist::Pointer* facePtrs = aFamily->Faces(list);
for (uint32_t i = 0, n = aFamily->NumFaces(); i < n; i++) {
auto face = static_cast<fontlist::Face*>(facePtrs[i].ToPtr(list));
if (!face) {
continue;
}
nsAutoCString name(face->mDescriptor.AsString(list));
// We create a temporary MacOSFontEntry just to read family names from the
// 'name' table in the font resource. The style attributes here are ignored
// as this entry is not used for font style matching.
// The size hint might be used to select which face is accessed in the case
// of the macOS UI font; see MacOSFontEntry::GetFontRef(). We pass 16.0 in
// order to get a standard text-size face in this case, although it's
// unlikely to matter for the purpose of just reading family names.
auto fe = MakeUnique<MacOSFontEntry>(name, WeightRange(FontWeight::Normal()), false, 16.0);
if (!fe) {
continue;
}
gfxFontEntry::AutoTable nameTable(fe.get(), kNAME);
if (!nameTable) {
continue;
}
uint32_t dataLength;
const char* nameData = hb_blob_get_data(nameTable, &dataLength);
AutoTArray<nsCString, 4> otherFamilyNames;
gfxFontUtils::ReadOtherFamilyNamesForFace(canonicalName, nameData, dataLength, otherFamilyNames,
false);
for (const auto& alias : otherFamilyNames) {
nsAutoCString key;
GenerateFontListKey(alias, key);
auto aliasData = mAliasTable.LookupOrAdd(key);
aliasData->InitFromFamily(aFamily);
aliasData->mFaces.AppendElement(facePtrs[i]);
}
}
}
#ifdef MOZ_BUNDLED_FONTS
void gfxMacPlatformFontList::ActivateBundledFonts() {
nsCOMPtr<nsIFile> localDir;
if (NS_FAILED(NS_GetSpecialDirectory(NS_GRE_DIR, getter_AddRefs(localDir)))) {
return;
}
if (NS_FAILED(localDir->Append(NS_LITERAL_STRING("fonts")))) {
return;
}
ActivateFontsFromDir(localDir);
}
#endif
Ссылка в новой задаче Показать git blame Копировать постоянную ссылку