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d2b70213ac
--HG-- rename : tools/trace-malloc/bloatblame.c => tools/trace-malloc/bloatblame.cpp
193 lines
6.4 KiB
C++
193 lines
6.4 KiB
C++
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Mozilla Corporation code.
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*
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* The Initial Developer of the Original Code is Mozilla Foundation.
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* Portions created by the Initial Developer are Copyright (C) 2006-2009
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Vladimir Vukicevic <vladimir@pobox.com>
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* Masayuki Nakano <masayuki@d-toybox.com>
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* John Daggett <jdaggett@mozilla.com>
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* Jonathan Kew <jfkthame@gmail.com>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#ifndef gfxMacPlatformFontList_H_
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#define gfxMacPlatformFontList_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 <Carbon/Carbon.h>
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#include "nsUnicharUtils.h"
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#include "nsTArray.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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virtual ~MacOSFontEntry() {
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::CGFontRelease(mFontRef);
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}
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virtual CGFontRef GetFontRef() = 0;
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virtual nsresult GetFontTable(PRUint32 aTableTag,
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FallibleTArray<PRUint8>& aBuffer) = 0;
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nsresult ReadCMAP();
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bool RequiresAATLayout() const { return mRequiresAAT; }
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bool IsCFF();
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protected:
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MacOSFontEntry(const nsAString& aPostscriptName, PRInt32 aWeight,
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gfxFontFamily *aFamily, bool aIsStandardFace = false);
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virtual gfxFont* CreateFontInstance(const gfxFontStyle *aFontStyle, bool aNeedsBold);
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virtual bool HasFontTable(PRUint32 aTableTag) = 0;
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CGFontRef mFontRef; // owning reference to the CGFont, released on destruction
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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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};
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// concrete subclasses of MacOSFontEntry: ATSFontEntry for 10.5, CGFontEntry for 10.6+
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class ATSFontEntry : public MacOSFontEntry
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{
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public:
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ATSFontEntry(const nsAString& aPostscriptName, PRInt32 aWeight,
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gfxFontFamily *aFamily, bool aIsStandardFace = false);
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// for use with data fonts
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ATSFontEntry(const nsAString& aPostscriptName, ATSFontRef aFontRef,
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PRUint16 aWeight, PRUint16 aStretch, PRUint32 aItalicStyle,
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gfxUserFontData *aUserFontData, bool aIsLocal);
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ATSFontRef GetATSFontRef();
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virtual CGFontRef GetFontRef();
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virtual nsresult GetFontTable(PRUint32 aTableTag,
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FallibleTArray<PRUint8>& aBuffer);
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protected:
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virtual bool HasFontTable(PRUint32 aTableTag);
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ATSFontRef mATSFontRef;
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bool mATSFontRefInitialized;
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};
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class CGFontEntry : public MacOSFontEntry
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{
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public:
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CGFontEntry(const nsAString& aPostscriptName, PRInt32 aWeight,
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gfxFontFamily *aFamily, bool aIsStandardFace = false);
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// for use with data fonts
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CGFontEntry(const nsAString& aPostscriptName, CGFontRef aFontRef,
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PRUint16 aWeight, PRUint16 aStretch, PRUint32 aItalicStyle,
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bool aIsUserFont, bool aIsLocal);
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virtual CGFontRef GetFontRef();
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virtual nsresult GetFontTable(PRUint32 aTableTag,
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FallibleTArray<PRUint8>& aBuffer);
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protected:
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virtual bool HasFontTable(PRUint32 aTableTag);
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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 PRInt32 AppleWeightToCSSWeight(PRInt32 aAppleWeight);
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virtual gfxFontEntry* GetDefaultFont(const gfxFontStyle* aStyle, bool& aNeedsBold);
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virtual bool GetStandardFamilyName(const nsAString& aFontName, nsAString& aFamilyName);
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virtual gfxFontEntry* LookupLocalFont(const gfxProxyFontEntry *aProxyEntry,
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const nsAString& aFontName);
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virtual gfxFontEntry* MakePlatformFont(const gfxProxyFontEntry *aProxyEntry,
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const PRUint8 *aFontData, PRUint32 aLength);
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void ClearPrefFonts() { mPrefFonts.Clear(); }
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static bool UseATSFontEntry() {
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return gfxPlatformMac::GetPlatform()->OSXVersion() < MAC_OS_X_VERSION_10_6_HEX;
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}
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private:
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friend class gfxPlatformMac;
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gfxMacPlatformFontList();
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// initialize font lists
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virtual nsresult InitFontList();
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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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gfxFontEntry* MakePlatformFontCG(const gfxProxyFontEntry *aProxyEntry,
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const PRUint8 *aFontData, PRUint32 aLength);
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gfxFontEntry* MakePlatformFontATS(const gfxProxyFontEntry *aProxyEntry,
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const PRUint8 *aFontData, PRUint32 aLength);
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static void ATSNotification(ATSFontNotificationInfoRef aInfo, void* aUserArg);
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// keep track of ATS generation to prevent unneeded updates when loading downloaded fonts
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PRUint32 mATSGeneration;
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enum {
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kATSGenerationInitial = -1
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};
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};
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#endif /* gfxMacPlatformFontList_H_ */
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