зеркало из https://github.com/mozilla/gecko-dev.git
255 строки
9.5 KiB
C++
255 строки
9.5 KiB
C++
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
|
|
* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
#ifndef gfxMacPlatformFontList_H_
|
|
#define gfxMacPlatformFontList_H_
|
|
|
|
#include <CoreFoundation/CoreFoundation.h>
|
|
|
|
#include "mozilla/FontPropertyTypes.h"
|
|
#include "mozilla/MemoryReporting.h"
|
|
#include "nsRefPtrHashtable.h"
|
|
|
|
#include "gfxPlatformFontList.h"
|
|
#include "gfxPlatform.h"
|
|
#include "gfxPlatformMac.h"
|
|
|
|
#include "nsUnicharUtils.h"
|
|
#include "nsTArray.h"
|
|
#include "mozilla/LookAndFeel.h"
|
|
|
|
#include "mozilla/gfx/UnscaledFontMac.h"
|
|
|
|
class gfxMacPlatformFontList;
|
|
|
|
// a single member of a font family (i.e. a single face, such as Times Italic)
|
|
class MacOSFontEntry final : public gfxFontEntry {
|
|
public:
|
|
friend class gfxMacPlatformFontList;
|
|
friend class gfxMacFont;
|
|
|
|
MacOSFontEntry(const nsACString& aPostscriptName, WeightRange aWeight,
|
|
bool aIsStandardFace = false, double aSizeHint = 0.0);
|
|
|
|
// for use with data fonts
|
|
MacOSFontEntry(const nsACString& aPostscriptName, CGFontRef aFontRef,
|
|
WeightRange aWeight, StretchRange aStretch,
|
|
SlantStyleRange aStyle, bool aIsDataUserFont, bool aIsLocal);
|
|
|
|
virtual ~MacOSFontEntry() { ::CGFontRelease(mFontRef); }
|
|
|
|
gfxFontEntry* Clone() const override;
|
|
|
|
// Return a non-owning reference to our CGFont; caller must not release it.
|
|
// This will cause the fontEntry to create & retain a CGFont for the life
|
|
// of the entry.
|
|
// Note that in the case of a broken font, this could return null.
|
|
CGFontRef GetFontRef();
|
|
|
|
// Return a new reference to our CGFont. Caller is responsible to release
|
|
// this reference.
|
|
// (If the entry has a cached CGFont, this just bumps its refcount and
|
|
// returns it; if not, the instance returned will be owned solely by the
|
|
// caller.)
|
|
// Note that in the case of a broken font, this could return null.
|
|
CGFontRef CreateOrCopyFontRef();
|
|
|
|
// override gfxFontEntry table access function to bypass table cache,
|
|
// use CGFontRef API to get direct access to system font data
|
|
hb_blob_t* GetFontTable(uint32_t aTag) override;
|
|
|
|
void AddSizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf,
|
|
FontListSizes* aSizes) const override;
|
|
|
|
nsresult ReadCMAP(FontInfoData* aFontInfoData = nullptr) override;
|
|
|
|
bool RequiresAATLayout() const { return mRequiresAAT; }
|
|
|
|
bool HasVariations() override;
|
|
void GetVariationAxes(
|
|
nsTArray<gfxFontVariationAxis>& aVariationAxes) override;
|
|
void GetVariationInstances(
|
|
nsTArray<gfxFontVariationInstance>& aInstances) override;
|
|
|
|
bool IsCFF();
|
|
|
|
bool SupportsOpenTypeFeature(Script aScript, uint32_t aFeatureTag) override;
|
|
|
|
protected:
|
|
gfxFont* CreateFontInstance(const gfxFontStyle* aFontStyle) override;
|
|
|
|
bool HasFontTable(uint32_t aTableTag) override;
|
|
|
|
static void DestroyBlobFunc(void* aUserData);
|
|
|
|
CGFontRef
|
|
mFontRef; // owning reference to the CGFont, released on destruction
|
|
|
|
double mSizeHint;
|
|
|
|
bool mFontRefInitialized;
|
|
bool mRequiresAAT;
|
|
bool mIsCFF;
|
|
bool mIsCFFInitialized;
|
|
bool mHasVariations;
|
|
bool mHasVariationsInitialized;
|
|
bool mHasAATSmallCaps;
|
|
bool mHasAATSmallCapsInitialized;
|
|
|
|
// To work around Core Text's mishandling of the default value for 'opsz',
|
|
// we need to record whether the font has an a optical size axis, what its
|
|
// range and default values are, and a usable close-to-default alternative.
|
|
// (See bug 1457417 for details.)
|
|
// These fields are used by gfxMacFont, but stored in the font entry so
|
|
// that only a single font instance needs to inspect the available
|
|
// variations.
|
|
gfxFontVariationAxis mOpszAxis;
|
|
float mAdjustedDefaultOpsz;
|
|
|
|
nsTHashtable<nsUint32HashKey> mAvailableTables;
|
|
|
|
mozilla::ThreadSafeWeakPtr<mozilla::gfx::UnscaledFontMac> mUnscaledFont;
|
|
};
|
|
|
|
class gfxMacPlatformFontList final : public gfxPlatformFontList {
|
|
using FontFamilyListEntry = mozilla::dom::SystemFontListEntry;
|
|
|
|
public:
|
|
static gfxMacPlatformFontList* PlatformFontList() {
|
|
return static_cast<gfxMacPlatformFontList*>(
|
|
gfxPlatformFontList::PlatformFontList());
|
|
}
|
|
|
|
gfxFontFamily* CreateFontFamily(const nsACString& aName,
|
|
FontVisibility aVisibility) const override;
|
|
|
|
static int32_t AppleWeightToCSSWeight(int32_t aAppleWeight);
|
|
|
|
gfxFontEntry* LookupLocalFont(nsPresContext* aPresContext,
|
|
const nsACString& aFontName,
|
|
WeightRange aWeightForEntry,
|
|
StretchRange aStretchForEntry,
|
|
SlantStyleRange aStyleForEntry) override;
|
|
|
|
gfxFontEntry* MakePlatformFont(const nsACString& aFontName,
|
|
WeightRange aWeightForEntry,
|
|
StretchRange aStretchForEntry,
|
|
SlantStyleRange aStyleForEntry,
|
|
const uint8_t* aFontData,
|
|
uint32_t aLength) override;
|
|
|
|
bool FindAndAddFamiliesLocked(
|
|
nsPresContext* aPresContext, mozilla::StyleGenericFontFamily aGeneric,
|
|
const nsACString& aFamily, nsTArray<FamilyAndGeneric>* aOutput,
|
|
FindFamiliesFlags aFlags, gfxFontStyle* aStyle = nullptr,
|
|
nsAtom* aLanguage = nullptr, gfxFloat aDevToCssSize = 1.0)
|
|
REQUIRES(mLock) override;
|
|
|
|
// lookup the system font for a particular system font type and set
|
|
// the name and style characteristics
|
|
void LookupSystemFont(mozilla::LookAndFeel::FontID aSystemFontID,
|
|
nsACString& aSystemFontName, gfxFontStyle& aFontStyle);
|
|
|
|
// Values for the entryType field in FontFamilyListEntry records passed
|
|
// from chrome to content process.
|
|
enum FontFamilyEntryType {
|
|
kStandardFontFamily = 0, // a standard installed font family
|
|
kTextSizeSystemFontFamily = 1, // name of 'system' font at text sizes
|
|
kDisplaySizeSystemFontFamily = 2 // 'system' font at display sizes
|
|
};
|
|
void ReadSystemFontList(mozilla::dom::SystemFontList*);
|
|
|
|
protected:
|
|
FontFamily GetDefaultFontForPlatform(nsPresContext* aPresContext,
|
|
const gfxFontStyle* aStyle,
|
|
nsAtom* aLanguage = nullptr)
|
|
REQUIRES(mLock) override;
|
|
|
|
private:
|
|
friend class gfxPlatformMac;
|
|
|
|
gfxMacPlatformFontList();
|
|
virtual ~gfxMacPlatformFontList();
|
|
|
|
// initialize font lists
|
|
nsresult InitFontListForPlatform() REQUIRES(mLock) override;
|
|
void InitSharedFontListForPlatform() REQUIRES(mLock) override;
|
|
|
|
// handle commonly used fonts for which the name table should be loaded at
|
|
// startup
|
|
void PreloadNamesList() REQUIRES(mLock);
|
|
|
|
// special case font faces treated as font families (set via prefs)
|
|
void InitSingleFaceList() REQUIRES(mLock);
|
|
void InitAliasesForSingleFaceList() REQUIRES(mLock);
|
|
|
|
// initialize system fonts
|
|
void InitSystemFontNames() REQUIRES(mLock);
|
|
|
|
// helper function to lookup in both hidden system fonts and normal fonts
|
|
gfxFontFamily* FindSystemFontFamily(const nsACString& aFamily)
|
|
REQUIRES(mLock);
|
|
|
|
FontVisibility GetVisibilityForFamily(const nsACString& aName) const;
|
|
|
|
static void RegisteredFontsChangedNotificationCallback(
|
|
CFNotificationCenterRef center, void* observer, CFStringRef name,
|
|
const void* object, CFDictionaryRef userInfo);
|
|
|
|
// attempt to use platform-specific fallback for the given character
|
|
// return null if no usable result found
|
|
gfxFontEntry* PlatformGlobalFontFallback(nsPresContext* aPresContext,
|
|
const uint32_t aCh,
|
|
Script aRunScript,
|
|
const gfxFontStyle* aMatchStyle,
|
|
FontFamily& aMatchedFamily)
|
|
REQUIRES(mLock) override;
|
|
|
|
bool UsesSystemFallback() override { return true; }
|
|
|
|
already_AddRefed<FontInfoData> CreateFontInfoData() override;
|
|
|
|
// Add the specified family to mFontFamilies.
|
|
// Ideally we'd use NSString* instead of CFStringRef here, but this header
|
|
// file is included in .cpp files, so we can't use objective C classes here.
|
|
// But CFStringRef and NSString* are the same thing anyway (they're
|
|
// toll-free bridged).
|
|
void AddFamily(CFStringRef aFamily) REQUIRES(mLock);
|
|
|
|
void AddFamily(const nsACString& aFamilyName, FontVisibility aVisibility)
|
|
REQUIRES(mLock);
|
|
|
|
gfxFontEntry* CreateFontEntry(
|
|
mozilla::fontlist::Face* aFace,
|
|
const mozilla::fontlist::Family* aFamily) override;
|
|
|
|
void GetFacesInitDataForFamily(
|
|
const mozilla::fontlist::Family* aFamily,
|
|
nsTArray<mozilla::fontlist::Face::InitData>& aFaces,
|
|
bool aLoadCmaps) const override;
|
|
|
|
void ReadFaceNamesForFamily(mozilla::fontlist::Family* aFamily,
|
|
bool aNeedFullnamePostscriptNames)
|
|
REQUIRES(mLock) override;
|
|
|
|
enum { kATSGenerationInitial = -1 };
|
|
|
|
// default font for use with system-wide font fallback
|
|
CTFontRef mDefaultFont;
|
|
|
|
// font families that -apple-system maps to
|
|
// Pre-10.11 this was always a single font family, such as Lucida Grande
|
|
// or Helvetica Neue. For OSX 10.11, Apple uses pair of families
|
|
// for the UI, one for text sizes and another for display sizes
|
|
bool mUseSizeSensitiveSystemFont;
|
|
nsCString mSystemTextFontFamilyName;
|
|
nsCString mSystemDisplayFontFamilyName; // only used on OSX 10.11
|
|
|
|
nsTArray<nsCString> mSingleFaceFonts;
|
|
nsTArray<nsCString> mPreloadFonts;
|
|
};
|
|
|
|
#endif /* gfxMacPlatformFontList_H_ */
|