mirror of
https://github.com/classilla/tenfourfox.git
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215 lines
7.7 KiB
C
215 lines
7.7 KiB
C
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/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef gfxMacPlatformFontList_H_
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#define gfxMacPlatformFontList_H_
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#include <CoreFoundation/CoreFoundation.h>
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#include <Carbon/Carbon.h>
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#include "mozilla/MemoryReporting.h"
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#include "nsDataHashtable.h"
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#include "nsRefPtrHashtable.h"
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#include "gfxPlatformFontList.h"
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#include "gfxPlatform.h"
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#include "gfxPlatformMac.h"
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#include "nsUnicharUtils.h"
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#include "nsTArray.h"
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#include "mozilla/LookAndFeel.h"
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class gfxMacPlatformFontList;
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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 : public gfxFontEntry
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{
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public:
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friend class gfxMacPlatformFontList;
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MacOSFontEntry(const nsAString& aPostscriptName, int32_t aWeight,
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bool aIsStandardFace = false);
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// for use with data fonts
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#if(0)
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MacOSFontEntry(const nsAString& aPostscriptName, CGFontRef aFontRef,
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#else
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MacOSFontEntry(const nsAString& aPostscriptName, ATSFontRef aFontRef,
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#endif
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uint16_t aWeight, uint16_t aStretch, uint8_t aStyle,
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ATSFontContainerRef aContainerRef, // 10.4Fx
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bool aIsDataUserFont, bool aIsLocal);
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virtual ~MacOSFontEntry() {
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if (mFontRefInitialized)
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::CGFontRelease(mFontRef);
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/* Per Apple, even synthesized CGFontRefs must be released. Also,
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we do need to release our container ref, if any. */
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if (mContainerRef)
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::ATSFontDeactivate(mContainerRef, NULL,
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kATSOptionFlagsDefault);
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}
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// 10.4Fx
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ATSFontRef GetATSFontRef();
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virtual CGFontRef GetFontRef();
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// override gfxFontEntry table access function to bypass table cache,
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// use CGFontRef API to get direct access to system font data
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virtual hb_blob_t *GetFontTable(uint32_t aTag) override;
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virtual void AddSizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf,
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FontListSizes* aSizes) const override;
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nsresult ReadCMAP(FontInfoData *aFontInfoData = nullptr) override;
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bool RequiresAATLayout() const { return mRequiresAAT; }
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bool IsCFF();
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protected:
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virtual gfxFont* CreateFontInstance(const gfxFontStyle *aFontStyle, bool aNeedsBold) override;
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virtual bool HasFontTable(uint32_t aTableTag) override;
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static void DestroyBlobFunc(void* aUserData);
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CGFontRef mFontRef; // owning reference to the CGFont, released on destruction
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// 10.4Fx class variables
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ATSFontRef mATSFontRef; // 10.4Fx (owning reference to our ATSFont)
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ATSFontContainerRef mContainerRef; // 10.4Fx (for MakePlatformFont)
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bool mATSFontRefInitialized; // 10.4Fx. mUserFontData is in gfxFont.h.
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AutoFallibleTArray<uint8_t,1024> mFontTableDir; // 10.4Fx
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ByteCount mFontTableDirSize; // 10.4Fx
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void TryGlobalFontTableCache();
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bool mFontRefInitialized;
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bool mRequiresAAT;
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bool mIsCFF;
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bool mIsCFFInitialized;
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nsTHashtable<nsUint32HashKey> mAvailableTables;
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};
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class gfxMacPlatformFontList : public gfxPlatformFontList {
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public:
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static gfxMacPlatformFontList* PlatformFontList() {
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return static_cast<gfxMacPlatformFontList*>(sPlatformFontList);
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}
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static int32_t AppleWeightToCSSWeight(int32_t aAppleWeight);
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gfxFontFamily* GetDefaultFont(const gfxFontStyle* aStyle) override;
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bool GetStandardFamilyName(const nsAString& aFontName, nsAString& aFamilyName) override;
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gfxFontEntry* LookupLocalFont(const nsAString& aFontName,
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uint16_t aWeight,
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int16_t aStretch,
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uint8_t aStyle) override;
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gfxFontEntry* MakePlatformFont(const nsAString& aFontName,
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uint16_t aWeight,
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int16_t aStretch,
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uint8_t aStyle,
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const uint8_t* aFontData,
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uint32_t aLength) override;
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gfxFontFamily* FindFamily(const nsAString& aFamily,
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gfxFontStyle* aStyle = nullptr,
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gfxFloat aDevToCssSize = 1.0) override;
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// lookup the system font for a particular system font type and set
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// the name and style characteristics
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void LookupSystemFont(mozilla::LookAndFeel::FontID aSystemFontID,
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nsAString& aSystemFontName,
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gfxFontStyle &aFontStyle,
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float aDevPixPerCSSPixel);
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void SetFixedPitch(const nsAString& aFamilyName); // 10.4Fx
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private:
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friend class gfxPlatformMac;
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gfxMacPlatformFontList();
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virtual ~gfxMacPlatformFontList();
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// initialize font lists
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nsresult InitFontList() override;
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// special case font faces treated as font families (set via prefs)
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void InitSingleFaceList();
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// initialize system fonts
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void InitSystemFonts();
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// helper function to lookup in both hidden system fonts and normal fonts
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gfxFontFamily* FindSystemFontFamily(const nsAString& aFamily);
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#if(0)
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static void RegisteredFontsChangedNotificationCallback(CFNotificationCenterRef center,
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void *observer,
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CFStringRef name,
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const void *object,
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CFDictionaryRef userInfo);
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#else
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// eliminate faces which have the same ATS font reference
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// backout bug 663688
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void EliminateDuplicateFaces(const nsAString& aFamilyName);
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// backout bug 869762
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static void ATSNotification(ATSFontNotificationInfoRef aInfo, void* aUserArg);
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uint32_t mATSGeneration;
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#endif
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// search fonts system-wide for a given character, null otherwise
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gfxFontEntry* GlobalFontFallback(const uint32_t aCh,
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int32_t aRunScript,
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const gfxFontStyle* aMatchStyle,
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uint32_t& aCmapCount,
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gfxFontFamily** aMatchedFamily) override;
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bool UsesSystemFallback() override { return true; }
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already_AddRefed<FontInfoData> CreateFontInfoData() override;
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// Add the specified family to mSystemFontFamilies or mFontFamilies.
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// Ideally we'd use NSString* instead of CFStringRef here, but this header
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// file is included in .cpp files, so we can't use objective C classes here.
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// But CFStringRef and NSString* are the same thing anyway (they're
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// toll-free bridged).
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void AddFamily(CFStringRef aFamily);
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#ifdef MOZ_BUNDLED_FONTS
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void ActivateBundledFonts();
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#endif
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enum {
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kATSGenerationInitial = -1
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};
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// default font for use with system-wide font fallback
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#if(0)
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CTFontRef mDefaultFont;
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#else
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ATSFontRef mDefaultFont;
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#endif
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// hidden system fonts used within UI elements, there may be a whole set
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// for different locales (e.g. .Helvetica Neue UI, .SF NS Text)
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FontFamilyTable mSystemFontFamilies;
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// font families that -apple-system maps to
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// Pre-10.11 this was always a single font family, such as Lucida Grande
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// or Helvetica Neue. For OSX 10.11, Apple uses pair of families
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// for the UI, one for text sizes and another for display sizes
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bool mUseSizeSensitiveSystemFont;
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RefPtr<gfxFontFamily> mSystemTextFontFamily;
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RefPtr<gfxFontFamily> mSystemDisplayFontFamily; // only used on OSX 10.11
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};
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#endif /* gfxMacPlatformFontList_H_ */
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