gecko-dev/gfx/thebes/gfxFontEntry.h

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/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
* 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 GFX_FONTENTRY_H
#define GFX_FONTENTRY_H
#include "gfxTypes.h"
#include "nsString.h"
#include "gfxFontConstants.h"
#include "gfxFontFeatures.h"
#include "gfxFontUtils.h"
#include "nsTArray.h"
#include "nsTHashtable.h"
#include "mozilla/HashFunctions.h"
#include "mozilla/MemoryReporting.h"
#include "nsUnicodeScriptCodes.h"
#include "nsDataHashtable.h"
#include "harfbuzz/hb.h"
#include "mozilla/gfx/2D.h"
#include "mozilla/UniquePtr.h"
typedef struct gr_face gr_face;
#ifdef DEBUG
#include <stdio.h>
#endif
struct gfxFontStyle;
class gfxContext;
class gfxFont;
class gfxFontFamily;
class gfxUserFontData;
class gfxSVGGlyphs;
class FontInfoData;
struct FontListSizes;
class nsIAtom;
namespace mozilla {
class SVGContextPaint;
};
class gfxCharacterMap : public gfxSparseBitSet {
public:
nsrefcnt AddRef() {
NS_PRECONDITION(int32_t(mRefCnt) >= 0, "illegal refcnt");
++mRefCnt;
NS_LOG_ADDREF(this, mRefCnt, "gfxCharacterMap", sizeof(*this));
return mRefCnt;
}
nsrefcnt Release() {
NS_PRECONDITION(0 != mRefCnt, "dup release");
--mRefCnt;
NS_LOG_RELEASE(this, mRefCnt, "gfxCharacterMap");
if (mRefCnt == 0) {
NotifyReleased();
// |this| has been deleted.
return 0;
}
return mRefCnt;
}
gfxCharacterMap() :
mHash(0), mBuildOnTheFly(false), mShared(false)
{ }
explicit gfxCharacterMap(const gfxSparseBitSet& aOther) :
gfxSparseBitSet(aOther),
mHash(0), mBuildOnTheFly(false), mShared(false)
{ }
void CalcHash() { mHash = GetChecksum(); }
size_t SizeOfExcludingThis(mozilla::MallocSizeOf aMallocSizeOf) const {
return gfxSparseBitSet::SizeOfExcludingThis(aMallocSizeOf);
}
// hash of the cmap bitvector
uint32_t mHash;
// if cmap is built on the fly it's never shared
bool mBuildOnTheFly;
// cmap is shared globally
bool mShared;
protected:
void NotifyReleased();
nsAutoRefCnt mRefCnt;
private:
gfxCharacterMap(const gfxCharacterMap&);
gfxCharacterMap& operator=(const gfxCharacterMap&);
};
class gfxFontEntry {
public:
typedef mozilla::gfx::DrawTarget DrawTarget;
typedef mozilla::unicode::Script Script;
NS_INLINE_DECL_REFCOUNTING(gfxFontEntry)
explicit gfxFontEntry(const nsAString& aName, bool aIsStandardFace = false);
// unique name for the face, *not* the family; not necessarily the
// "real" or user-friendly name, may be an internal identifier
const nsString& Name() const { return mName; }
// family name
const nsString& FamilyName() const { return mFamilyName; }
// The following two methods may be relatively expensive, as they
// will (usually, except on Linux) load and parse the 'name' table;
// they are intended only for the font-inspection API, not for
// perf-critical layout/drawing work.
// The "real" name of the face, if available from the font resource;
// returns Name() if nothing better is available.
virtual nsString RealFaceName();
uint16_t Weight() const { return mWeight; }
int16_t Stretch() const { return mStretch; }
bool IsUserFont() const { return mIsDataUserFont || mIsLocalUserFont; }
bool IsLocalUserFont() const { return mIsLocalUserFont; }
bool IsFixedPitch() const { return mFixedPitch; }
bool IsItalic() const { return mStyle == NS_FONT_STYLE_ITALIC; }
bool IsOblique() const { return mStyle == NS_FONT_STYLE_OBLIQUE; }
bool IsUpright() const { return mStyle == NS_FONT_STYLE_NORMAL; }
bool IsBold() const { return mWeight >= 600; } // bold == weights 600 and above
bool IgnoreGDEF() const { return mIgnoreGDEF; }
bool IgnoreGSUB() const { return mIgnoreGSUB; }
// whether a feature is supported by the font (limited to a small set
// of features for which some form of fallback needs to be implemented)
bool SupportsOpenTypeFeature(Script aScript, uint32_t aFeatureTag);
bool SupportsGraphiteFeature(uint32_t aFeatureTag);
// returns a set containing all input glyph ids for a given feature
const hb_set_t*
InputsForOpenTypeFeature(Script aScript, uint32_t aFeatureTag);
virtual bool IsSymbolFont();
virtual bool HasFontTable(uint32_t aTableTag);
inline bool HasGraphiteTables() {
if (!mCheckedForGraphiteTables) {
CheckForGraphiteTables();
mCheckedForGraphiteTables = true;
}
return mHasGraphiteTables;
}
inline bool HasCmapTable() {
if (!mCharacterMap) {
ReadCMAP();
NS_ASSERTION(mCharacterMap, "failed to initialize character map");
}
return mHasCmapTable;
}
inline bool HasCharacter(uint32_t ch) {
if (mCharacterMap && mCharacterMap->test(ch)) {
return true;
}
return TestCharacterMap(ch);
}
virtual bool SkipDuringSystemFallback() { return false; }
nsresult InitializeUVSMap();
uint16_t GetUVSGlyph(uint32_t aCh, uint32_t aVS);
// All concrete gfxFontEntry subclasses (except gfxUserFontEntry) need
// to override this, otherwise the font will never be used as it will
// be considered to support no characters.
// ReadCMAP() must *always* set the mCharacterMap pointer to a valid
// gfxCharacterMap, even if empty, as other code assumes this pointer
// can be safely dereferenced.
virtual nsresult ReadCMAP(FontInfoData *aFontInfoData = nullptr);
bool TryGetSVGData(gfxFont* aFont);
bool HasSVGGlyph(uint32_t aGlyphId);
bool GetSVGGlyphExtents(DrawTarget* aDrawTarget, uint32_t aGlyphId,
gfxRect *aResult);
bool RenderSVGGlyph(gfxContext *aContext, uint32_t aGlyphId,
mozilla::SVGContextPaint* aContextPaint);
// Call this when glyph geometry or rendering has changed
// (e.g. animated SVG glyphs)
void NotifyGlyphsChanged();
bool TryGetColorGlyphs();
bool GetColorLayersInfo(uint32_t aGlyphId,
const mozilla::gfx::Color& aDefaultColor,
nsTArray<uint16_t>& layerGlyphs,
nsTArray<mozilla::gfx::Color>& layerColors);
virtual bool MatchesGenericFamily(const nsACString& aGeneric) const {
return true;
}
virtual bool SupportsLangGroup(nsIAtom *aLangGroup) const {
return true;
}
// Access to raw font table data (needed for Harfbuzz):
// returns a pointer to data owned by the fontEntry or the OS,
// which will remain valid until the blob is destroyed.
// The data MUST be treated as read-only; we may be getting a
// reference to a shared system font cache.
//
// The default implementation uses CopyFontTable to get the data
// into a byte array, and maintains a cache of loaded tables.
//
// Subclasses should override this if they can provide more efficient
// access than copying table data into our own buffers.
//
// Get blob that encapsulates a specific font table, or nullptr if
// the table doesn't exist in the font.
//
// Caller is responsible to call hb_blob_destroy() on the returned blob
// (if non-nullptr) when no longer required. For transient access to a
// table, use of AutoTable (below) is generally preferred.
virtual hb_blob_t *GetFontTable(uint32_t aTag);
// Stack-based utility to return a specified table, automatically releasing
// the blob when the AutoTable goes out of scope.
class AutoTable {
public:
AutoTable(gfxFontEntry* aFontEntry, uint32_t aTag)
{
mBlob = aFontEntry->GetFontTable(aTag);
}
~AutoTable() {
if (mBlob) {
hb_blob_destroy(mBlob);
}
}
operator hb_blob_t*() const { return mBlob; }
private:
hb_blob_t* mBlob;
// not implemented:
AutoTable(const AutoTable&) = delete;
AutoTable& operator=(const AutoTable&) = delete;
};
already_AddRefed<gfxFont>
FindOrMakeFont(const gfxFontStyle *aStyle,
bool aNeedsBold,
gfxCharacterMap* aUnicodeRangeMap = nullptr);
// Get an existing font table cache entry in aBlob if it has been
// registered, or return false if not. Callers must call
// hb_blob_destroy on aBlob if true is returned.
//
// Note that some gfxFont implementations may not call this at all,
// if it is more efficient to get the table from the OS at that level.
bool GetExistingFontTable(uint32_t aTag, hb_blob_t** aBlob);
// Elements of aTable are transferred (not copied) to and returned in a
// new hb_blob_t which is registered on the gfxFontEntry, but the initial
// reference is owned by the caller. Removing the last reference
// unregisters the table from the font entry.
//
// Pass nullptr for aBuffer to indicate that the table is not present and
// nullptr will be returned. Also returns nullptr on OOM.
hb_blob_t *ShareFontTableAndGetBlob(uint32_t aTag,
nsTArray<uint8_t>* aTable);
// Get the font's unitsPerEm from the 'head' table, in the case of an
// sfnt resource. Will return kInvalidUPEM for non-sfnt fonts,
// if present on the platform.
uint16_t UnitsPerEm();
enum {
kMinUPEM = 16, // Limits on valid unitsPerEm range, from the
kMaxUPEM = 16384, // OpenType spec
kInvalidUPEM = uint16_t(-1)
};
// Shaper face accessors:
// NOTE that harfbuzz and graphite handle ownership/lifetime of the face
// object in completely different ways.
// Get HarfBuzz face corresponding to this font file.
// Caller must release with hb_face_destroy() when finished with it,
// and the font entry will be notified via ForgetHBFace.
hb_face_t* GetHBFace();
virtual void ForgetHBFace();
// Get Graphite face corresponding to this font file.
// Caller must call gfxFontEntry::ReleaseGrFace when finished with it.
gr_face* GetGrFace();
virtual void ReleaseGrFace(gr_face* aFace);
// Does the font have graphite contextuals that involve the space glyph
// (and therefore we should bypass the word cache)?
bool HasGraphiteSpaceContextuals();
// Release any SVG-glyphs document this font may have loaded.
void DisconnectSVG();
// Called to notify that aFont is being destroyed. Needed when we're tracking
// the fonts belonging to this font entry.
void NotifyFontDestroyed(gfxFont* aFont);
// For memory reporting of the platform font list.
virtual void AddSizeOfExcludingThis(mozilla::MallocSizeOf aMallocSizeOf,
FontListSizes* aSizes) const;
virtual void AddSizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf,
FontListSizes* aSizes) const;
// Used for reporting on individual font entries in the user font cache,
// which are not present in the platform font list.
size_t
ComputedSizeOfExcludingThis(mozilla::MallocSizeOf aMallocSizeOf) const;
// Used when checking for complex script support, to mask off cmap ranges
struct ScriptRange {
uint32_t rangeStart;
uint32_t rangeEnd;
hb_tag_t tags[3]; // one or two OpenType script tags to check,
// plus a NULL terminator
};
bool SupportsScriptInGSUB(const hb_tag_t* aScriptTags);
nsString mName;
nsString mFamilyName;
uint8_t mStyle : 2; // italic/oblique
bool mFixedPitch : 1;
bool mIsValid : 1;
bool mIsBadUnderlineFont : 1;
bool mIsUserFontContainer : 1; // userfont entry
bool mIsDataUserFont : 1; // platform font entry (data)
bool mIsLocalUserFont : 1; // platform font entry (local)
bool mStandardFace : 1;
bool mSymbolFont : 1;
bool mIgnoreGDEF : 1;
bool mIgnoreGSUB : 1;
bool mSVGInitialized : 1;
bool mHasSpaceFeaturesInitialized : 1;
bool mHasSpaceFeatures : 1;
bool mHasSpaceFeaturesKerning : 1;
bool mHasSpaceFeaturesNonKerning : 1;
bool mSkipDefaultFeatureSpaceCheck : 1;
bool mGraphiteSpaceContextualsInitialized : 1;
bool mHasGraphiteSpaceContextuals : 1;
bool mSpaceGlyphIsInvisible : 1;
bool mSpaceGlyphIsInvisibleInitialized : 1;
bool mHasGraphiteTables : 1;
bool mCheckedForGraphiteTables : 1;
bool mHasCmapTable : 1;
bool mGrFaceInitialized : 1;
bool mCheckedForColorGlyph : 1;
// bitvector of substitution space features per script, one each
// for default and non-default features
uint32_t mDefaultSubSpaceFeatures[(int(Script::NUM_SCRIPT_CODES) + 31) / 32];
uint32_t mNonDefaultSubSpaceFeatures[(int(Script::NUM_SCRIPT_CODES) + 31) / 32];
uint16_t mWeight;
int16_t mStretch;
Bug 1207245 - part 6 - rename nsRefPtr<T> to RefPtr<T>; r=ehsan; a=Tomcat The bulk of this commit was generated with a script, executed at the top level of a typical source code checkout. The only non-machine-generated part was modifying MFBT's moz.build to reflect the new naming. CLOSED TREE makes big refactorings like this a piece of cake. # The main substitution. find . -name '*.cpp' -o -name '*.cc' -o -name '*.h' -o -name '*.mm' -o -name '*.idl'| \ xargs perl -p -i -e ' s/nsRefPtr\.h/RefPtr\.h/g; # handle includes s/nsRefPtr ?</RefPtr</g; # handle declarations and variables ' # Handle a special friend declaration in gfx/layers/AtomicRefCountedWithFinalize.h. perl -p -i -e 's/::nsRefPtr;/::RefPtr;/' gfx/layers/AtomicRefCountedWithFinalize.h # Handle nsRefPtr.h itself, a couple places that define constructors # from nsRefPtr, and code generators specially. We do this here, rather # than indiscriminantly s/nsRefPtr/RefPtr/, because that would rename # things like nsRefPtrHashtable. perl -p -i -e 's/nsRefPtr/RefPtr/g' \ mfbt/nsRefPtr.h \ xpcom/glue/nsCOMPtr.h \ xpcom/base/OwningNonNull.h \ ipc/ipdl/ipdl/lower.py \ ipc/ipdl/ipdl/builtin.py \ dom/bindings/Codegen.py \ python/lldbutils/lldbutils/utils.py # In our indiscriminate substitution above, we renamed # nsRefPtrGetterAddRefs, the class behind getter_AddRefs. Fix that up. find . -name '*.cpp' -o -name '*.h' -o -name '*.idl' | \ xargs perl -p -i -e 's/nsRefPtrGetterAddRefs/RefPtrGetterAddRefs/g' if [ -d .git ]; then git mv mfbt/nsRefPtr.h mfbt/RefPtr.h else hg mv mfbt/nsRefPtr.h mfbt/RefPtr.h fi --HG-- rename : mfbt/nsRefPtr.h => mfbt/RefPtr.h
2015-10-18 08:24:48 +03:00
RefPtr<gfxCharacterMap> mCharacterMap;
uint32_t mUVSOffset;
mozilla::UniquePtr<uint8_t[]> mUVSData;
mozilla::UniquePtr<gfxUserFontData> mUserFontData;
mozilla::UniquePtr<gfxSVGGlyphs> mSVGGlyphs;
// list of gfxFonts that are using SVG glyphs
nsTArray<gfxFont*> mFontsUsingSVGGlyphs;
nsTArray<gfxFontFeature> mFeatureSettings;
mozilla::UniquePtr<nsDataHashtable<nsUint32HashKey,bool>> mSupportedFeatures;
mozilla::UniquePtr<nsDataHashtable<nsUint32HashKey,hb_set_t*>> mFeatureInputs;
uint32_t mLanguageOverride;
// Color Layer font support
hb_blob_t* mCOLR;
hb_blob_t* mCPAL;
protected:
friend class gfxPlatformFontList;
friend class gfxMacPlatformFontList;
friend class gfxUserFcFontEntry;
friend class gfxFontFamily;
friend class gfxSingleFaceMacFontFamily;
friend class gfxUserFontEntry;
gfxFontEntry();
// Protected destructor, to discourage deletion outside of Release():
virtual ~gfxFontEntry();
virtual gfxFont *CreateFontInstance(const gfxFontStyle *aFontStyle, bool aNeedsBold) {
NS_NOTREACHED("oops, somebody didn't override CreateFontInstance");
return nullptr;
}
virtual void CheckForGraphiteTables();
// Copy a font table into aBuffer.
// The caller will be responsible for ownership of the data.
virtual nsresult CopyFontTable(uint32_t aTableTag,
nsTArray<uint8_t>& aBuffer) {
NS_NOTREACHED("forgot to override either GetFontTable or CopyFontTable?");
return NS_ERROR_FAILURE;
}
// lookup the cmap in cached font data
virtual already_AddRefed<gfxCharacterMap>
GetCMAPFromFontInfo(FontInfoData *aFontInfoData,
uint32_t& aUVSOffset,
bool& aSymbolFont);
// helper for HasCharacter(), which is what client code should call
virtual bool TestCharacterMap(uint32_t aCh);
// Font's unitsPerEm from the 'head' table, if available (will be set to
// kInvalidUPEM for non-sfnt font formats)
uint16_t mUnitsPerEm;
// Shaper-specific face objects, shared by all instantiations of the same
// physical font, regardless of size.
// Usually, only one of these will actually be created for any given font
// entry, depending on the font tables that are present.
// hb_face_t is refcounted internally, so each shaper that's using it will
// bump the ref count when it acquires the face, and "destroy" (release) it
// in its destructor. The font entry has only this non-owning reference to
// the face; when the face is deleted, it will tell the font entry to forget
// it, so that a new face will be created next time it is needed.
hb_face_t* mHBFace;
static hb_blob_t* HBGetTable(hb_face_t *face, uint32_t aTag, void *aUserData);
// Callback that the hb_face will use to tell us when it is being deleted.
static void HBFaceDeletedCallback(void *aUserData);
// gr_face is -not- refcounted, so it will be owned directly by the font
// entry, and we'll keep a count of how many references we've handed out;
// each shaper is responsible to call ReleaseGrFace on its entry when
// finished with it, so that we know when it can be deleted.
gr_face* mGrFace;
// hashtable to map raw table data ptr back to its owning blob, for use by
// graphite table-release callback
nsDataHashtable<nsPtrHashKey<const void>,void*>* mGrTableMap;
// number of current users of this entry's mGrFace
nsrefcnt mGrFaceRefCnt;
static const void* GrGetTable(const void *aAppFaceHandle,
unsigned int aName,
size_t *aLen);
static void GrReleaseTable(const void *aAppFaceHandle,
const void *aTableBuffer);
// For memory reporting: size of user-font data belonging to this entry.
// We record this in the font entry because the actual data block may be
// handed over to platform APIs, so that it would become difficult (and
// platform-specific) to measure it directly at report-gathering time.
uint32_t mComputedSizeOfUserFont;
private:
/**
* Font table hashtable, to support GetFontTable for harfbuzz.
*
* The harfbuzz shaper (and potentially other clients) needs access to raw
* font table data. This needs to be cached so that it can be used
* repeatedly (each time we construct a text run; in some cases, for
* each character/glyph within the run) without re-fetching large tables
* every time.
*
* Because we may instantiate many gfxFonts for the same physical font
* file (at different sizes), we should ensure that they can share a
* single cached copy of the font tables. To do this, we implement table
* access and sharing on the fontEntry rather than the font itself.
*
* The default implementation uses GetFontTable() to read font table
* data into byte arrays, and wraps them in blobs which are registered in
* a hashtable. The hashtable can then return pre-existing blobs to
* harfbuzz.
*
* Harfbuzz will "destroy" the blobs when it is finished with them. When
* the last blob reference is removed, the FontTableBlobData user data
* will remove the blob from the hashtable if still registered.
*/
class FontTableBlobData;
/**
* FontTableHashEntry manages the entries of hb_blob_t's containing font
* table data.
*
* This is used to share font tables across fonts with the same
* font entry (but different sizes) for use by HarfBuzz. The hashtable
* does not own a strong reference to the blob, but keeps a weak pointer,
* managed by FontTableBlobData. Similarly FontTableBlobData keeps only a
* weak pointer to the hashtable, managed by FontTableHashEntry.
*/
class FontTableHashEntry : public nsUint32HashKey
{
public:
// Declarations for nsTHashtable
typedef nsUint32HashKey KeyClass;
typedef KeyClass::KeyType KeyType;
typedef KeyClass::KeyTypePointer KeyTypePointer;
explicit FontTableHashEntry(KeyTypePointer aTag)
: KeyClass(aTag)
, mSharedBlobData(nullptr)
, mBlob(nullptr)
{ }
// NOTE: This assumes the new entry belongs to the same hashtable as
// the old, because the mHashtable pointer in mSharedBlobData (if
// present) will not be updated.
FontTableHashEntry(FontTableHashEntry&& toMove)
: KeyClass(mozilla::Move(toMove))
, mSharedBlobData(mozilla::Move(toMove.mSharedBlobData))
, mBlob(mozilla::Move(toMove.mBlob))
{
toMove.mSharedBlobData = nullptr;
toMove.mBlob = nullptr;
}
~FontTableHashEntry() { Clear(); }
// FontTable/Blob API
// Transfer (not copy) elements of aTable to a new hb_blob_t and
// return ownership to the caller. A weak reference to the blob is
// recorded in the hashtable entry so that others may use the same
// table.
hb_blob_t *
ShareTableAndGetBlob(nsTArray<uint8_t>&& aTable,
nsTHashtable<FontTableHashEntry> *aHashtable);
// Return a strong reference to the blob.
// Callers must hb_blob_destroy the returned blob.
hb_blob_t *GetBlob() const;
void Clear();
size_t SizeOfExcludingThis(mozilla::MallocSizeOf aMallocSizeOf) const;
private:
static void DeleteFontTableBlobData(void *aBlobData);
// not implemented
FontTableHashEntry& operator=(FontTableHashEntry& toCopy);
FontTableBlobData *mSharedBlobData;
hb_blob_t *mBlob;
};
mozilla::UniquePtr<nsTHashtable<FontTableHashEntry> > mFontTableCache;
gfxFontEntry(const gfxFontEntry&);
gfxFontEntry& operator=(const gfxFontEntry&);
};
// used when iterating over all fonts looking for a match for a given character
struct GlobalFontMatch {
GlobalFontMatch(const uint32_t aCharacter,
mozilla::unicode::Script aRunScript,
const gfxFontStyle *aStyle) :
mCh(aCharacter), mRunScript(aRunScript), mStyle(aStyle),
mMatchRank(0), mCount(0), mCmapsTested(0)
{
}
const uint32_t mCh; // codepoint to be matched
mozilla::unicode::Script mRunScript; // Unicode script for the codepoint
const gfxFontStyle* mStyle; // style to match
int32_t mMatchRank; // metric indicating closest match
Bug 1207245 - part 6 - rename nsRefPtr<T> to RefPtr<T>; r=ehsan; a=Tomcat The bulk of this commit was generated with a script, executed at the top level of a typical source code checkout. The only non-machine-generated part was modifying MFBT's moz.build to reflect the new naming. CLOSED TREE makes big refactorings like this a piece of cake. # The main substitution. find . -name '*.cpp' -o -name '*.cc' -o -name '*.h' -o -name '*.mm' -o -name '*.idl'| \ xargs perl -p -i -e ' s/nsRefPtr\.h/RefPtr\.h/g; # handle includes s/nsRefPtr ?</RefPtr</g; # handle declarations and variables ' # Handle a special friend declaration in gfx/layers/AtomicRefCountedWithFinalize.h. perl -p -i -e 's/::nsRefPtr;/::RefPtr;/' gfx/layers/AtomicRefCountedWithFinalize.h # Handle nsRefPtr.h itself, a couple places that define constructors # from nsRefPtr, and code generators specially. We do this here, rather # than indiscriminantly s/nsRefPtr/RefPtr/, because that would rename # things like nsRefPtrHashtable. perl -p -i -e 's/nsRefPtr/RefPtr/g' \ mfbt/nsRefPtr.h \ xpcom/glue/nsCOMPtr.h \ xpcom/base/OwningNonNull.h \ ipc/ipdl/ipdl/lower.py \ ipc/ipdl/ipdl/builtin.py \ dom/bindings/Codegen.py \ python/lldbutils/lldbutils/utils.py # In our indiscriminate substitution above, we renamed # nsRefPtrGetterAddRefs, the class behind getter_AddRefs. Fix that up. find . -name '*.cpp' -o -name '*.h' -o -name '*.idl' | \ xargs perl -p -i -e 's/nsRefPtrGetterAddRefs/RefPtrGetterAddRefs/g' if [ -d .git ]; then git mv mfbt/nsRefPtr.h mfbt/RefPtr.h else hg mv mfbt/nsRefPtr.h mfbt/RefPtr.h fi --HG-- rename : mfbt/nsRefPtr.h => mfbt/RefPtr.h
2015-10-18 08:24:48 +03:00
RefPtr<gfxFontEntry> mBestMatch; // current best match
RefPtr<gfxFontFamily> mMatchedFamily; // the family it belongs to
uint32_t mCount; // number of fonts matched
uint32_t mCmapsTested; // number of cmaps tested
};
class gfxFontFamily {
public:
NS_INLINE_DECL_REFCOUNTING(gfxFontFamily)
explicit gfxFontFamily(const nsAString& aName) :
mName(aName),
mOtherFamilyNamesInitialized(false),
mHasOtherFamilyNames(false),
mFaceNamesInitialized(false),
mHasStyles(false),
mIsSimpleFamily(false),
mIsBadUnderlineFamily(false),
mFamilyCharacterMapInitialized(false),
mSkipDefaultFeatureSpaceCheck(false),
mCheckForFallbackFaces(false)
{ }
const nsString& Name() { return mName; }
virtual void LocalizedName(nsAString& aLocalizedName);
virtual bool HasOtherFamilyNames();
Bug 1207245 - part 6 - rename nsRefPtr<T> to RefPtr<T>; r=ehsan; a=Tomcat The bulk of this commit was generated with a script, executed at the top level of a typical source code checkout. The only non-machine-generated part was modifying MFBT's moz.build to reflect the new naming. CLOSED TREE makes big refactorings like this a piece of cake. # The main substitution. find . -name '*.cpp' -o -name '*.cc' -o -name '*.h' -o -name '*.mm' -o -name '*.idl'| \ xargs perl -p -i -e ' s/nsRefPtr\.h/RefPtr\.h/g; # handle includes s/nsRefPtr ?</RefPtr</g; # handle declarations and variables ' # Handle a special friend declaration in gfx/layers/AtomicRefCountedWithFinalize.h. perl -p -i -e 's/::nsRefPtr;/::RefPtr;/' gfx/layers/AtomicRefCountedWithFinalize.h # Handle nsRefPtr.h itself, a couple places that define constructors # from nsRefPtr, and code generators specially. We do this here, rather # than indiscriminantly s/nsRefPtr/RefPtr/, because that would rename # things like nsRefPtrHashtable. perl -p -i -e 's/nsRefPtr/RefPtr/g' \ mfbt/nsRefPtr.h \ xpcom/glue/nsCOMPtr.h \ xpcom/base/OwningNonNull.h \ ipc/ipdl/ipdl/lower.py \ ipc/ipdl/ipdl/builtin.py \ dom/bindings/Codegen.py \ python/lldbutils/lldbutils/utils.py # In our indiscriminate substitution above, we renamed # nsRefPtrGetterAddRefs, the class behind getter_AddRefs. Fix that up. find . -name '*.cpp' -o -name '*.h' -o -name '*.idl' | \ xargs perl -p -i -e 's/nsRefPtrGetterAddRefs/RefPtrGetterAddRefs/g' if [ -d .git ]; then git mv mfbt/nsRefPtr.h mfbt/RefPtr.h else hg mv mfbt/nsRefPtr.h mfbt/RefPtr.h fi --HG-- rename : mfbt/nsRefPtr.h => mfbt/RefPtr.h
2015-10-18 08:24:48 +03:00
nsTArray<RefPtr<gfxFontEntry> >& GetFontList() { return mAvailableFonts; }
Bug 1207245 - part 6 - rename nsRefPtr<T> to RefPtr<T>; r=ehsan; a=Tomcat The bulk of this commit was generated with a script, executed at the top level of a typical source code checkout. The only non-machine-generated part was modifying MFBT's moz.build to reflect the new naming. CLOSED TREE makes big refactorings like this a piece of cake. # The main substitution. find . -name '*.cpp' -o -name '*.cc' -o -name '*.h' -o -name '*.mm' -o -name '*.idl'| \ xargs perl -p -i -e ' s/nsRefPtr\.h/RefPtr\.h/g; # handle includes s/nsRefPtr ?</RefPtr</g; # handle declarations and variables ' # Handle a special friend declaration in gfx/layers/AtomicRefCountedWithFinalize.h. perl -p -i -e 's/::nsRefPtr;/::RefPtr;/' gfx/layers/AtomicRefCountedWithFinalize.h # Handle nsRefPtr.h itself, a couple places that define constructors # from nsRefPtr, and code generators specially. We do this here, rather # than indiscriminantly s/nsRefPtr/RefPtr/, because that would rename # things like nsRefPtrHashtable. perl -p -i -e 's/nsRefPtr/RefPtr/g' \ mfbt/nsRefPtr.h \ xpcom/glue/nsCOMPtr.h \ xpcom/base/OwningNonNull.h \ ipc/ipdl/ipdl/lower.py \ ipc/ipdl/ipdl/builtin.py \ dom/bindings/Codegen.py \ python/lldbutils/lldbutils/utils.py # In our indiscriminate substitution above, we renamed # nsRefPtrGetterAddRefs, the class behind getter_AddRefs. Fix that up. find . -name '*.cpp' -o -name '*.h' -o -name '*.idl' | \ xargs perl -p -i -e 's/nsRefPtrGetterAddRefs/RefPtrGetterAddRefs/g' if [ -d .git ]; then git mv mfbt/nsRefPtr.h mfbt/RefPtr.h else hg mv mfbt/nsRefPtr.h mfbt/RefPtr.h fi --HG-- rename : mfbt/nsRefPtr.h => mfbt/RefPtr.h
2015-10-18 08:24:48 +03:00
void AddFontEntry(RefPtr<gfxFontEntry> aFontEntry) {
// bug 589682 - set the IgnoreGDEF flag on entries for Italic faces
// of Times New Roman, because of buggy table in those fonts
if (aFontEntry->IsItalic() && !aFontEntry->IsUserFont() &&
Name().EqualsLiteral("Times New Roman"))
{
aFontEntry->mIgnoreGDEF = true;
}
if (aFontEntry->mFamilyName.IsEmpty()) {
aFontEntry->mFamilyName = Name();
} else {
MOZ_ASSERT(aFontEntry->mFamilyName.Equals(Name()));
}
aFontEntry->mSkipDefaultFeatureSpaceCheck = mSkipDefaultFeatureSpaceCheck;
mAvailableFonts.AppendElement(aFontEntry);
}
// note that the styles for this family have been added
bool HasStyles() { return mHasStyles; }
void SetHasStyles(bool aHasStyles) { mHasStyles = aHasStyles; }
// choose a specific face to match a style using CSS font matching
// rules (weight matching occurs here). may return a face that doesn't
// precisely match (e.g. normal face when no italic face exists).
// aNeedsSyntheticBold is set to true when synthetic bolding is
// needed, false otherwise
gfxFontEntry *FindFontForStyle(const gfxFontStyle& aFontStyle,
bool& aNeedsSyntheticBold);
void
FindAllFontsForStyle(const gfxFontStyle& aFontStyle,
nsTArray<gfxFontEntry*>& aFontEntryList,
bool& aNeedsSyntheticBold);
// checks for a matching font within the family
// used as part of the font fallback process
void FindFontForChar(GlobalFontMatch *aMatchData);
// checks all fonts for a matching font within the family
void SearchAllFontsForChar(GlobalFontMatch *aMatchData);
// read in other family names, if any, and use functor to add each into cache
virtual void ReadOtherFamilyNames(gfxPlatformFontList *aPlatformFontList);
// helper method for reading localized family names from the name table
// of a single face
static void ReadOtherFamilyNamesForFace(const nsAString& aFamilyName,
const char *aNameData,
uint32_t aDataLength,
nsTArray<nsString>& aOtherFamilyNames,
bool useFullName);
// set when other family names have been read in
void SetOtherFamilyNamesInitialized() {
mOtherFamilyNamesInitialized = true;
}
// read in other localized family names, fullnames and Postscript names
// for all faces and append to lookup tables
virtual void ReadFaceNames(gfxPlatformFontList *aPlatformFontList,
bool aNeedFullnamePostscriptNames,
FontInfoData *aFontInfoData = nullptr);
// find faces belonging to this family (platform implementations override this;
// should be made pure virtual once all subclasses have been updated)
virtual void FindStyleVariations(FontInfoData *aFontInfoData = nullptr) { }
// search for a specific face using the Postscript name
gfxFontEntry* FindFont(const nsAString& aPostscriptName);
// read in cmaps for all the faces
void ReadAllCMAPs(FontInfoData *aFontInfoData = nullptr);
bool TestCharacterMap(uint32_t aCh) {
if (!mFamilyCharacterMapInitialized) {
ReadAllCMAPs();
}
return mFamilyCharacterMap.test(aCh);
}
void ResetCharacterMap() {
mFamilyCharacterMap.reset();
mFamilyCharacterMapInitialized = false;
}
// mark this family as being in the "bad" underline offset blacklist
void SetBadUnderlineFamily() {
mIsBadUnderlineFamily = true;
if (mHasStyles) {
SetBadUnderlineFonts();
}
}
bool IsBadUnderlineFamily() const { return mIsBadUnderlineFamily; }
bool CheckForFallbackFaces() const { return mCheckForFallbackFaces; }
// sort available fonts to put preferred (standard) faces towards the end
void SortAvailableFonts();
// check whether the family fits into the simple 4-face model,
// so we can use simplified style-matching;
// if so set the mIsSimpleFamily flag (defaults to False before we've checked)
void CheckForSimpleFamily();
// For memory reporter
virtual void AddSizeOfExcludingThis(mozilla::MallocSizeOf aMallocSizeOf,
FontListSizes* aSizes) const;
virtual void AddSizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf,
FontListSizes* aSizes) const;
#ifdef DEBUG
// Only used for debugging checks - does a linear search
bool ContainsFace(gfxFontEntry* aFontEntry);
#endif
void SetSkipSpaceFeatureCheck(bool aSkipCheck) {
mSkipDefaultFeatureSpaceCheck = aSkipCheck;
}
protected:
// Protected destructor, to discourage deletion outside of Release():
virtual ~gfxFontFamily()
{
}
bool ReadOtherFamilyNamesForFace(gfxPlatformFontList *aPlatformFontList,
hb_blob_t *aNameTable,
bool useFullName = false);
// set whether this font family is in "bad" underline offset blacklist.
void SetBadUnderlineFonts() {
uint32_t i, numFonts = mAvailableFonts.Length();
for (i = 0; i < numFonts; i++) {
if (mAvailableFonts[i]) {
mAvailableFonts[i]->mIsBadUnderlineFont = true;
}
}
}
nsString mName;
Bug 1207245 - part 6 - rename nsRefPtr<T> to RefPtr<T>; r=ehsan; a=Tomcat The bulk of this commit was generated with a script, executed at the top level of a typical source code checkout. The only non-machine-generated part was modifying MFBT's moz.build to reflect the new naming. CLOSED TREE makes big refactorings like this a piece of cake. # The main substitution. find . -name '*.cpp' -o -name '*.cc' -o -name '*.h' -o -name '*.mm' -o -name '*.idl'| \ xargs perl -p -i -e ' s/nsRefPtr\.h/RefPtr\.h/g; # handle includes s/nsRefPtr ?</RefPtr</g; # handle declarations and variables ' # Handle a special friend declaration in gfx/layers/AtomicRefCountedWithFinalize.h. perl -p -i -e 's/::nsRefPtr;/::RefPtr;/' gfx/layers/AtomicRefCountedWithFinalize.h # Handle nsRefPtr.h itself, a couple places that define constructors # from nsRefPtr, and code generators specially. We do this here, rather # than indiscriminantly s/nsRefPtr/RefPtr/, because that would rename # things like nsRefPtrHashtable. perl -p -i -e 's/nsRefPtr/RefPtr/g' \ mfbt/nsRefPtr.h \ xpcom/glue/nsCOMPtr.h \ xpcom/base/OwningNonNull.h \ ipc/ipdl/ipdl/lower.py \ ipc/ipdl/ipdl/builtin.py \ dom/bindings/Codegen.py \ python/lldbutils/lldbutils/utils.py # In our indiscriminate substitution above, we renamed # nsRefPtrGetterAddRefs, the class behind getter_AddRefs. Fix that up. find . -name '*.cpp' -o -name '*.h' -o -name '*.idl' | \ xargs perl -p -i -e 's/nsRefPtrGetterAddRefs/RefPtrGetterAddRefs/g' if [ -d .git ]; then git mv mfbt/nsRefPtr.h mfbt/RefPtr.h else hg mv mfbt/nsRefPtr.h mfbt/RefPtr.h fi --HG-- rename : mfbt/nsRefPtr.h => mfbt/RefPtr.h
2015-10-18 08:24:48 +03:00
nsTArray<RefPtr<gfxFontEntry> > mAvailableFonts;
gfxSparseBitSet mFamilyCharacterMap;
bool mOtherFamilyNamesInitialized : 1;
bool mHasOtherFamilyNames : 1;
bool mFaceNamesInitialized : 1;
bool mHasStyles : 1;
bool mIsSimpleFamily : 1;
bool mIsBadUnderlineFamily : 1;
bool mFamilyCharacterMapInitialized : 1;
bool mSkipDefaultFeatureSpaceCheck : 1;
bool mCheckForFallbackFaces : 1; // check other faces for character
enum {
// for "simple" families, the faces are stored in mAvailableFonts
// with fixed positions:
kRegularFaceIndex = 0,
kBoldFaceIndex = 1,
kItalicFaceIndex = 2,
kBoldItalicFaceIndex = 3,
// mask values for selecting face with bold and/or italic attributes
kBoldMask = 0x01,
kItalicMask = 0x02
};
};
#endif