зеркало из https://github.com/mozilla/gecko-dev.git
1161 строка
38 KiB
Plaintext
1161 строка
38 KiB
Plaintext
/* -*- Mode: ObjC; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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* ***** BEGIN LICENSE BLOCK *****
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* Version: BSD
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*
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* Copyright (C) 2006-2009 Mozilla Corporation. 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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* Copyright (C) 2006 Apple Computer, Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of
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* its contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* ***** END LICENSE BLOCK ***** */
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#ifdef MOZ_LOGGING
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#define FORCE_PR_LOG /* Allow logging in the release build */
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#endif
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#include "prlog.h"
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#include <algorithm>
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#import <AppKit/AppKit.h>
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#include "gfxPlatformMac.h"
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#include "gfxMacPlatformFontList.h"
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#include "gfxMacFont.h"
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#include "gfxUserFontSet.h"
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#include "harfbuzz/hb.h"
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#include "harfbuzz/hb-ot.h"
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#include "nsServiceManagerUtils.h"
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#include "nsTArray.h"
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#include "nsDirectoryServiceUtils.h"
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#include "nsDirectoryServiceDefs.h"
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#include "nsISimpleEnumerator.h"
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#include "nsCharTraits.h"
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#include "gfxFontConstants.h"
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#include "mozilla/MemoryReporting.h"
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#include "mozilla/Preferences.h"
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#include "mozilla/Telemetry.h"
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#include "mozilla/gfx/2D.h"
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#include <unistd.h>
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#include <time.h>
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using namespace mozilla;
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class nsAutoreleasePool {
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public:
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nsAutoreleasePool()
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{
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mLocalPool = [[NSAutoreleasePool alloc] init];
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}
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~nsAutoreleasePool()
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{
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[mLocalPool release];
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}
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private:
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NSAutoreleasePool *mLocalPool;
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};
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// indexes into the NSArray objects that the Cocoa font manager returns
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// as the available members of a family
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#define INDEX_FONT_POSTSCRIPT_NAME 0
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#define INDEX_FONT_FACE_NAME 1
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#define INDEX_FONT_WEIGHT 2
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#define INDEX_FONT_TRAITS 3
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static const int kAppleMaxWeight = 14;
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static const int kAppleExtraLightWeight = 3;
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static const int kAppleUltraLightWeight = 2;
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static const int gAppleWeightToCSSWeight[] = {
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0,
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1, // 1.
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1, // 2. W1, ultralight
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2, // 3. W2, extralight
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3, // 4. W3, light
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4, // 5. W4, semilight
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5, // 6. W5, medium
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6, // 7.
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6, // 8. W6, semibold
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7, // 9. W7, bold
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8, // 10. W8, extrabold
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8, // 11.
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9, // 12. W9, ultrabold
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9, // 13
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9 // 14
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};
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// cache Cocoa's "shared font manager" for performance
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static NSFontManager *sFontManager;
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static void GetStringForNSString(const NSString *aSrc, nsAString& aDist)
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{
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aDist.SetLength([aSrc length]);
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[aSrc getCharacters:reinterpret_cast<unichar*>(aDist.BeginWriting())];
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}
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static NSString* GetNSStringForString(const nsAString& aSrc)
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{
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return [NSString stringWithCharacters:reinterpret_cast<const unichar*>(aSrc.BeginReading())
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length:aSrc.Length()];
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}
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#ifdef PR_LOGGING
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#define LOG_FONTLIST(args) PR_LOG(gfxPlatform::GetLog(eGfxLog_fontlist), \
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PR_LOG_DEBUG, args)
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#define LOG_FONTLIST_ENABLED() PR_LOG_TEST( \
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gfxPlatform::GetLog(eGfxLog_fontlist), \
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PR_LOG_DEBUG)
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#define LOG_CMAPDATA_ENABLED() PR_LOG_TEST( \
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gfxPlatform::GetLog(eGfxLog_cmapdata), \
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PR_LOG_DEBUG)
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#endif // PR_LOGGING
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#pragma mark-
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// Complex scripts will not render correctly unless appropriate AAT or OT
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// layout tables are present.
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// For OpenType, we also check that the GSUB table supports the relevant
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// script tag, to avoid using things like Arial Unicode MS for Lao (it has
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// the characters, but lacks OpenType support).
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// TODO: consider whether we should move this to gfxFontEntry and do similar
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// cmap-masking on other platforms to avoid using fonts that won't shape
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// properly.
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struct ScriptRange {
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uint32_t rangeStart;
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uint32_t rangeEnd;
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hb_tag_t tags[3]; // one or two OpenType script tags to check,
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// plus a NULL terminator
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};
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static const ScriptRange sComplexScripts[] = {
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// Actually, now that harfbuzz supports presentation-forms shaping for
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// Arabic, we can render it without layout tables. So maybe we don't
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// want to mask the basic Arabic block here?
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// This affects the arabic-fallback-*.html reftests, which rely on
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// loading a font that *doesn't* have any GSUB table.
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{ 0x0600, 0x06FF, { TRUETYPE_TAG('a','r','a','b'), 0, 0 } },
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{ 0x0700, 0x074F, { TRUETYPE_TAG('s','y','r','c'), 0, 0 } },
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{ 0x0750, 0x077F, { TRUETYPE_TAG('a','r','a','b'), 0, 0 } },
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{ 0x08A0, 0x08FF, { TRUETYPE_TAG('a','r','a','b'), 0, 0 } },
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{ 0x0900, 0x097F, { TRUETYPE_TAG('d','e','v','2'),
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TRUETYPE_TAG('d','e','v','a'), 0 } },
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{ 0x0980, 0x09FF, { TRUETYPE_TAG('b','n','g','2'),
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TRUETYPE_TAG('b','e','n','g'), 0 } },
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{ 0x0A00, 0x0A7F, { TRUETYPE_TAG('g','u','r','2'),
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TRUETYPE_TAG('g','u','r','u'), 0 } },
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{ 0x0A80, 0x0AFF, { TRUETYPE_TAG('g','j','r','2'),
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TRUETYPE_TAG('g','u','j','r'), 0 } },
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{ 0x0B00, 0x0B7F, { TRUETYPE_TAG('o','r','y','2'),
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TRUETYPE_TAG('o','r','y','a'), 0 } },
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{ 0x0B80, 0x0BFF, { TRUETYPE_TAG('t','m','l','2'),
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TRUETYPE_TAG('t','a','m','l'), 0 } },
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{ 0x0C00, 0x0C7F, { TRUETYPE_TAG('t','e','l','2'),
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TRUETYPE_TAG('t','e','l','u'), 0 } },
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{ 0x0C80, 0x0CFF, { TRUETYPE_TAG('k','n','d','2'),
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TRUETYPE_TAG('k','n','d','a'), 0 } },
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{ 0x0D00, 0x0D7F, { TRUETYPE_TAG('m','l','m','2'),
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TRUETYPE_TAG('m','l','y','m'), 0 } },
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{ 0x0D80, 0x0DFF, { TRUETYPE_TAG('s','i','n','h'), 0, 0 } },
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{ 0x0E80, 0x0EFF, { TRUETYPE_TAG('l','a','o',' '), 0, 0 } },
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{ 0x0F00, 0x0FFF, { TRUETYPE_TAG('t','i','b','t'), 0, 0 } },
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{ 0x1000, 0x109f, { TRUETYPE_TAG('m','y','m','r'),
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TRUETYPE_TAG('m','y','m','2'), 0 } },
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{ 0x1780, 0x17ff, { TRUETYPE_TAG('k','h','m','r'), 0, 0 } },
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// Khmer Symbols (19e0..19ff) don't seem to need any special shaping
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{ 0xaa60, 0xaa7f, { TRUETYPE_TAG('m','y','m','r'),
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TRUETYPE_TAG('m','y','m','2'), 0 } },
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// Thai seems to be "renderable" without AAT morphing tables
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};
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static bool
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SupportsScriptInGSUB(gfxFontEntry* aFontEntry, const hb_tag_t* aScriptTags)
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{
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hb_face_t *face = aFontEntry->GetHBFace();
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if (!face) {
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return false;
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}
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unsigned int index;
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hb_tag_t chosenScript;
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bool found =
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hb_ot_layout_table_choose_script(face, TRUETYPE_TAG('G','S','U','B'),
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aScriptTags, &index, &chosenScript);
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hb_face_destroy(face);
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return found && chosenScript != TRUETYPE_TAG('D','F','L','T');
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}
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nsresult
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MacOSFontEntry::ReadCMAP(FontInfoData *aFontInfoData)
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{
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// attempt this once, if errors occur leave a blank cmap
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if (mCharacterMap) {
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return NS_OK;
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}
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nsRefPtr<gfxCharacterMap> charmap;
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nsresult rv;
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bool symbolFont;
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if (aFontInfoData && (charmap = GetCMAPFromFontInfo(aFontInfoData,
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mUVSOffset,
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symbolFont))) {
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rv = NS_OK;
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} else {
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uint32_t kCMAP = TRUETYPE_TAG('c','m','a','p');
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charmap = new gfxCharacterMap();
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AutoTable cmapTable(this, kCMAP);
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if (cmapTable) {
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bool unicodeFont = false, symbolFont = false; // currently ignored
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uint32_t cmapLen;
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const uint8_t* cmapData =
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reinterpret_cast<const uint8_t*>(hb_blob_get_data(cmapTable,
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&cmapLen));
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rv = gfxFontUtils::ReadCMAP(cmapData, cmapLen,
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*charmap, mUVSOffset,
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unicodeFont, symbolFont);
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} else {
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rv = NS_ERROR_NOT_AVAILABLE;
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}
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}
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if (NS_SUCCEEDED(rv) && !HasGraphiteTables()) {
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// We assume a Graphite font knows what it's doing,
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// and provides whatever shaping is needed for the
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// characters it supports, so only check/clear the
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// complex-script ranges for non-Graphite fonts
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// for layout support, check for the presence of mort/morx and/or
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// opentype layout tables
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bool hasAATLayout = HasFontTable(TRUETYPE_TAG('m','o','r','x')) ||
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HasFontTable(TRUETYPE_TAG('m','o','r','t'));
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bool hasGSUB = HasFontTable(TRUETYPE_TAG('G','S','U','B'));
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bool hasGPOS = HasFontTable(TRUETYPE_TAG('G','P','O','S'));
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if (hasAATLayout && !(hasGSUB || hasGPOS)) {
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mRequiresAAT = true; // prefer CoreText if font has no OTL tables
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}
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uint32_t numScripts = ArrayLength(sComplexScripts);
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for (uint32_t s = 0; s < numScripts; s++) {
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// check to see if the cmap includes complex script codepoints
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const ScriptRange& sr = sComplexScripts[s];
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if (charmap->TestRange(sr.rangeStart, sr.rangeEnd)) {
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if (hasAATLayout) {
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// prefer CoreText for Apple's complex-script fonts,
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// even if they also have some OpenType tables
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// (e.g. Geeza Pro Bold on 10.6; see bug 614903)
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mRequiresAAT = true;
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// and don't mask off complex-script ranges, we assume
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// the AAT tables will provide the necessary shaping
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continue;
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}
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// We check for GSUB here, as GPOS alone would not be ok.
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if (hasGSUB && SupportsScriptInGSUB(this, sr.tags)) {
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continue;
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}
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charmap->ClearRange(sr.rangeStart, sr.rangeEnd);
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}
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}
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}
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mHasCmapTable = NS_SUCCEEDED(rv);
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if (mHasCmapTable) {
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gfxPlatformFontList *pfl = gfxPlatformFontList::PlatformFontList();
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mCharacterMap = pfl->FindCharMap(charmap);
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} else {
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// if error occurred, initialize to null cmap
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mCharacterMap = new gfxCharacterMap();
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}
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#ifdef PR_LOGGING
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LOG_FONTLIST(("(fontlist-cmap) name: %s, size: %d hash: %8.8x%s\n",
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NS_ConvertUTF16toUTF8(mName).get(),
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charmap->SizeOfIncludingThis(moz_malloc_size_of),
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charmap->mHash, mCharacterMap == charmap ? " new" : ""));
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if (LOG_CMAPDATA_ENABLED()) {
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char prefix[256];
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sprintf(prefix, "(cmapdata) name: %.220s",
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NS_ConvertUTF16toUTF8(mName).get());
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charmap->Dump(prefix, eGfxLog_cmapdata);
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}
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#endif
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return rv;
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}
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gfxFont*
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MacOSFontEntry::CreateFontInstance(const gfxFontStyle *aFontStyle, bool aNeedsBold)
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{
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return new gfxMacFont(this, aFontStyle, aNeedsBold);
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}
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bool
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MacOSFontEntry::IsCFF()
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{
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if (!mIsCFFInitialized) {
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mIsCFFInitialized = true;
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mIsCFF = HasFontTable(TRUETYPE_TAG('C','F','F',' '));
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}
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return mIsCFF;
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}
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MacOSFontEntry::MacOSFontEntry(const nsAString& aPostscriptName,
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int32_t aWeight,
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bool aIsStandardFace)
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: gfxFontEntry(aPostscriptName, aIsStandardFace),
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mFontRef(NULL),
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mFontRefInitialized(false),
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mRequiresAAT(false),
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mIsCFF(false),
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mIsCFFInitialized(false)
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{
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mWeight = aWeight;
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}
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MacOSFontEntry::MacOSFontEntry(const nsAString& aPostscriptName,
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CGFontRef aFontRef,
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uint16_t aWeight, uint16_t aStretch,
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uint32_t aItalicStyle,
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bool aIsUserFont, bool aIsLocal)
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: gfxFontEntry(aPostscriptName, false),
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mFontRef(NULL),
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mFontRefInitialized(false),
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mRequiresAAT(false),
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mIsCFF(false),
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mIsCFFInitialized(false)
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{
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mFontRef = aFontRef;
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mFontRefInitialized = true;
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::CFRetain(mFontRef);
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mWeight = aWeight;
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mStretch = aStretch;
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mFixedPitch = false; // xxx - do we need this for downloaded fonts?
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mItalic = (aItalicStyle & (NS_FONT_STYLE_ITALIC | NS_FONT_STYLE_OBLIQUE)) != 0;
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mIsUserFont = aIsUserFont;
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mIsLocalUserFont = aIsLocal;
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}
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CGFontRef
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MacOSFontEntry::GetFontRef()
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{
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if (!mFontRefInitialized) {
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mFontRefInitialized = true;
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NSString *psname = GetNSStringForString(mName);
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mFontRef = ::CGFontCreateWithFontName(CFStringRef(psname));
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}
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return mFontRef;
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}
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/*static*/ void
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MacOSFontEntry::DestroyBlobFunc(void* aUserData)
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{
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::CFRelease((CFDataRef)aUserData);
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}
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hb_blob_t *
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MacOSFontEntry::GetFontTable(uint32_t aTag)
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{
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CGFontRef fontRef = GetFontRef();
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if (!fontRef) {
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return nullptr;
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}
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CFDataRef dataRef = ::CGFontCopyTableForTag(fontRef, aTag);
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if (dataRef) {
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return hb_blob_create((const char*)::CFDataGetBytePtr(dataRef),
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::CFDataGetLength(dataRef),
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HB_MEMORY_MODE_READONLY,
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(void*)dataRef, DestroyBlobFunc);
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}
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return nullptr;
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}
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bool
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MacOSFontEntry::HasFontTable(uint32_t aTableTag)
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{
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nsAutoreleasePool localPool;
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CGFontRef fontRef = GetFontRef();
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if (!fontRef) {
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return false;
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}
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CFDataRef tableData = ::CGFontCopyTableForTag(fontRef, aTableTag);
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if (!tableData) {
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return false;
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}
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::CFRelease(tableData);
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return true;
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}
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void
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MacOSFontEntry::AddSizeOfIncludingThis(MallocSizeOf aMallocSizeOf,
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FontListSizes* aSizes) const
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{
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aSizes->mFontListSize += aMallocSizeOf(this);
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AddSizeOfExcludingThis(aMallocSizeOf, aSizes);
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}
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/* gfxMacFontFamily */
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#pragma mark-
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class gfxMacFontFamily : public gfxFontFamily
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{
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public:
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gfxMacFontFamily(nsAString& aName) :
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gfxFontFamily(aName)
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{}
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virtual ~gfxMacFontFamily() {}
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virtual void LocalizedName(nsAString& aLocalizedName);
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virtual void FindStyleVariations(FontInfoData *aFontInfoData = nullptr);
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};
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void
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gfxMacFontFamily::LocalizedName(nsAString& aLocalizedName)
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{
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nsAutoreleasePool localPool;
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if (!HasOtherFamilyNames()) {
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aLocalizedName = mName;
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return;
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}
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NSString *family = GetNSStringForString(mName);
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NSString *localized = [sFontManager
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localizedNameForFamily:family
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face:nil];
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if (localized) {
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GetStringForNSString(localized, aLocalizedName);
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return;
|
|
}
|
|
|
|
// failed to get localized name, just use the canonical one
|
|
aLocalizedName = mName;
|
|
}
|
|
|
|
void
|
|
gfxMacFontFamily::FindStyleVariations(FontInfoData *aFontInfoData)
|
|
{
|
|
if (mHasStyles)
|
|
return;
|
|
|
|
nsAutoreleasePool localPool;
|
|
|
|
NSString *family = GetNSStringForString(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;
|
|
}
|
|
}
|
|
|
|
int32_t cssWeight = gfxMacPlatformFontList::AppleWeightToCSSWeight(appKitWeight) * 100;
|
|
|
|
// make a nsString
|
|
nsAutoString postscriptFontName;
|
|
GetStringForNSString(psname, postscriptFontName);
|
|
|
|
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(postscriptFontName, cssWeight, isStandardFace);
|
|
if (!fontEntry) {
|
|
break;
|
|
}
|
|
|
|
// set additional properties based on the traits reported by Cocoa
|
|
if (macTraits & (NSCondensedFontMask | NSNarrowFontMask | NSCompressedFontMask)) {
|
|
fontEntry->mStretch = NS_FONT_STRETCH_CONDENSED;
|
|
} else if (macTraits & NSExpandedFontMask) {
|
|
fontEntry->mStretch = NS_FONT_STRETCH_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->mItalic = true;
|
|
}
|
|
if (macTraits & NSFixedPitchFontMask) {
|
|
fontEntry->mFixedPitch = true;
|
|
}
|
|
|
|
#ifdef PR_LOGGING
|
|
if (LOG_FONTLIST_ENABLED()) {
|
|
LOG_FONTLIST(("(fontlist) added (%s) to family (%s)"
|
|
" with style: %s weight: %d stretch: %d"
|
|
" (apple-weight: %d macTraits: %8.8x)",
|
|
NS_ConvertUTF16toUTF8(fontEntry->Name()).get(),
|
|
NS_ConvertUTF16toUTF8(Name()).get(),
|
|
fontEntry->IsItalic() ? "italic" : "normal",
|
|
cssWeight, fontEntry->Stretch(),
|
|
appKitWeight, macTraits));
|
|
}
|
|
#endif
|
|
|
|
// insert into font entry array of family
|
|
AddFontEntry(fontEntry);
|
|
}
|
|
|
|
SortAvailableFonts();
|
|
SetHasStyles(true);
|
|
|
|
if (mIsBadUnderlineFamily) {
|
|
SetBadUnderlineFonts();
|
|
}
|
|
}
|
|
|
|
|
|
/* gfxSingleFaceMacFontFamily */
|
|
#pragma mark-
|
|
|
|
class gfxSingleFaceMacFontFamily : public gfxFontFamily
|
|
{
|
|
public:
|
|
gfxSingleFaceMacFontFamily(nsAString& aName) :
|
|
gfxFontFamily(aName)
|
|
{}
|
|
|
|
virtual ~gfxSingleFaceMacFontFamily() {}
|
|
|
|
virtual void LocalizedName(nsAString& aLocalizedName);
|
|
|
|
virtual void ReadOtherFamilyNames(gfxPlatformFontList *aPlatformFontList);
|
|
};
|
|
|
|
void
|
|
gfxSingleFaceMacFontFamily::LocalizedName(nsAString& aLocalizedName)
|
|
{
|
|
nsAutoreleasePool localPool;
|
|
|
|
if (!HasOtherFamilyNames()) {
|
|
aLocalizedName = mName;
|
|
return;
|
|
}
|
|
|
|
gfxFontEntry *fe = mAvailableFonts[0];
|
|
NSFont *font = [NSFont fontWithName:GetNSStringForString(fe->Name())
|
|
size:0.0];
|
|
if (font) {
|
|
NSString *localized = [font displayName];
|
|
if (localized) {
|
|
GetStringForNSString(localized, 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-
|
|
|
|
gfxMacPlatformFontList::gfxMacPlatformFontList() :
|
|
gfxPlatformFontList(false),
|
|
mDefaultFont(nullptr)
|
|
{
|
|
::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 (mDefaultFont) {
|
|
::CFRelease(mDefaultFont);
|
|
}
|
|
}
|
|
|
|
nsresult
|
|
gfxMacPlatformFontList::InitFontList()
|
|
{
|
|
nsAutoreleasePool localPool;
|
|
|
|
Telemetry::AutoTimer<Telemetry::MAC_INITFONTLIST_TOTAL> timer;
|
|
|
|
// reset font lists
|
|
gfxPlatformFontList::InitFontList();
|
|
|
|
// iterate over available families
|
|
|
|
CFArrayRef familyNames = CTFontManagerCopyAvailableFontFamilyNames();
|
|
|
|
// iterate over families
|
|
uint32_t i, numFamilies;
|
|
|
|
numFamilies = CFArrayGetCount(familyNames);
|
|
for (i = 0; i < numFamilies; i++) {
|
|
CFStringRef family = (CFStringRef)CFArrayGetValueAtIndex(familyNames, i);
|
|
|
|
// CTFontManager includes weird internal family names and
|
|
// LastResort, skip over those
|
|
if (!family ||
|
|
::CFStringHasPrefix(family, CFSTR(".")) ||
|
|
CFStringCompare(family, CFSTR("LastResort"),
|
|
kCFCompareCaseInsensitive) == kCFCompareEqualTo) {
|
|
continue;
|
|
}
|
|
|
|
nsAutoTArray<UniChar, 1024> buffer;
|
|
CFIndex len = ::CFStringGetLength(family);
|
|
buffer.SetLength(len+1);
|
|
::CFStringGetCharacters(family, ::CFRangeMake(0, len),
|
|
buffer.Elements());
|
|
buffer[len] = 0;
|
|
nsAutoString familyName(reinterpret_cast<char16_t*>(buffer.Elements()), len);
|
|
|
|
// create a family entry
|
|
gfxFontFamily *familyEntry = new gfxMacFontFamily(familyName);
|
|
if (!familyEntry) break;
|
|
|
|
// add the family entry to the hash table
|
|
ToLowerCase(familyName);
|
|
mFontFamilies.Put(familyName, familyEntry);
|
|
|
|
// check the bad underline blacklist
|
|
if (mBadUnderlineFamilyNames.Contains(familyName))
|
|
familyEntry->SetBadUnderlineFamily();
|
|
}
|
|
|
|
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::InitSingleFaceList()
|
|
{
|
|
nsAutoTArray<nsString, 10> singleFaceFonts;
|
|
gfxFontUtils::GetPrefsFontList("font.single-face-list", singleFaceFonts);
|
|
|
|
uint32_t numFonts = singleFaceFonts.Length();
|
|
for (uint32_t i = 0; i < numFonts; i++) {
|
|
#ifdef PR_LOGGING
|
|
LOG_FONTLIST(("(fontlist-singleface) face name: %s\n",
|
|
NS_ConvertUTF16toUTF8(singleFaceFonts[i]).get()));
|
|
#endif
|
|
gfxFontEntry *fontEntry = LookupLocalFont(nullptr, singleFaceFonts[i]);
|
|
if (fontEntry) {
|
|
nsAutoString familyName, key;
|
|
familyName = singleFaceFonts[i];
|
|
GenerateFontListKey(familyName, key);
|
|
#ifdef PR_LOGGING
|
|
LOG_FONTLIST(("(fontlist-singleface) family name: %s, key: %s\n",
|
|
NS_ConvertUTF16toUTF8(familyName).get(),
|
|
NS_ConvertUTF16toUTF8(key).get()));
|
|
#endif
|
|
|
|
// add only if doesn't exist already
|
|
if (!mFontFamilies.GetWeak(key)) {
|
|
gfxFontFamily *familyEntry =
|
|
new gfxSingleFaceMacFontFamily(familyName);
|
|
familyEntry->AddFontEntry(fontEntry);
|
|
familyEntry->SetHasStyles(true);
|
|
mFontFamilies.Put(key, familyEntry);
|
|
#ifdef PR_LOGGING
|
|
LOG_FONTLIST(("(fontlist-singleface) added new family\n",
|
|
NS_ConvertUTF16toUTF8(familyName).get(),
|
|
NS_ConvertUTF16toUTF8(key).get()));
|
|
#endif
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
bool
|
|
gfxMacPlatformFontList::GetStandardFamilyName(const nsAString& aFontName, nsAString& aFamilyName)
|
|
{
|
|
gfxFontFamily *family = FindFamily(aFontName);
|
|
if (family) {
|
|
family->LocalizedName(aFamilyName);
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
void
|
|
gfxMacPlatformFontList::RegisteredFontsChangedNotificationCallback(CFNotificationCenterRef center,
|
|
void *observer,
|
|
CFStringRef name,
|
|
const void *object,
|
|
CFDictionaryRef userInfo)
|
|
{
|
|
if (!::CFEqual(name, kCTFontManagerRegisteredFontsChangedNotification)) {
|
|
return;
|
|
}
|
|
|
|
// xxx - should be carefully pruning the list of fonts, not rebuilding it from scratch
|
|
static_cast<gfxMacPlatformFontList*>(observer)->UpdateFontList();
|
|
|
|
// modify a preference that will trigger reflow everywhere
|
|
static const char kPrefName[] = "font.internaluseonly.changed";
|
|
bool fontInternalChange = Preferences::GetBool(kPrefName, false);
|
|
Preferences::SetBool(kPrefName, !fontInternalChange);
|
|
}
|
|
|
|
gfxFontEntry*
|
|
gfxMacPlatformFontList::GlobalFontFallback(const uint32_t aCh,
|
|
int32_t aRunScript,
|
|
const gfxFontStyle* aMatchStyle,
|
|
uint32_t& aCmapCount,
|
|
gfxFontFamily** aMatchedFamily)
|
|
{
|
|
bool useCmaps = gfxPlatform::GetPlatform()->UseCmapsDuringSystemFallback();
|
|
|
|
if (useCmaps) {
|
|
return gfxPlatformFontList::GlobalFontFallback(aCh,
|
|
aRunScript,
|
|
aMatchStyle,
|
|
aCmapCount,
|
|
aMatchedFamily);
|
|
}
|
|
|
|
CFStringRef str;
|
|
UniChar ch[2];
|
|
CFIndex len = 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;
|
|
}
|
|
len = 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, len));
|
|
|
|
if (fallback) {
|
|
CFStringRef familyName = ::CTFontCopyFamilyName(fallback);
|
|
::CFRelease(fallback);
|
|
|
|
if (familyName &&
|
|
::CFStringCompare(familyName, CFSTR("LastResort"),
|
|
kCFCompareCaseInsensitive) != kCFCompareEqualTo)
|
|
{
|
|
nsAutoTArray<UniChar, 1024> buffer;
|
|
CFIndex len = ::CFStringGetLength(familyName);
|
|
buffer.SetLength(len+1);
|
|
::CFStringGetCharacters(familyName, ::CFRangeMake(0, len),
|
|
buffer.Elements());
|
|
buffer[len] = 0;
|
|
nsDependentString familyName(reinterpret_cast<char16_t*>(buffer.Elements()), len);
|
|
|
|
bool needsBold; // ignored in the system fallback case
|
|
|
|
gfxFontFamily *family = FindFamily(familyName);
|
|
if (family) {
|
|
fontEntry = family->FindFontForStyle(*aMatchStyle, needsBold);
|
|
if (fontEntry) {
|
|
if (fontEntry->TestCharacterMap(aCh)) {
|
|
*aMatchedFamily = family;
|
|
} else {
|
|
fontEntry = nullptr;
|
|
cantUseFallbackFont = true;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (familyName) {
|
|
::CFRelease(familyName);
|
|
}
|
|
}
|
|
|
|
if (cantUseFallbackFont) {
|
|
Telemetry::Accumulate(Telemetry::BAD_FALLBACK_FONT, cantUseFallbackFont);
|
|
}
|
|
|
|
::CFRelease(str);
|
|
|
|
return fontEntry;
|
|
}
|
|
|
|
gfxFontFamily*
|
|
gfxMacPlatformFontList::GetDefaultFont(const gfxFontStyle* aStyle)
|
|
{
|
|
nsAutoreleasePool localPool;
|
|
|
|
NSString *defaultFamily = [[NSFont userFontOfSize:aStyle->size] familyName];
|
|
nsAutoString familyName;
|
|
|
|
GetStringForNSString(defaultFamily, familyName);
|
|
return FindFamily(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 gfxProxyFontEntry *aProxyEntry,
|
|
const nsAString& aFontName)
|
|
{
|
|
nsAutoreleasePool localPool;
|
|
|
|
NSString *faceName = GetNSStringForString(aFontName);
|
|
MacOSFontEntry *newFontEntry;
|
|
|
|
// lookup face based on postscript or full name
|
|
CGFontRef fontRef = ::CGFontCreateWithFontName(CFStringRef(faceName));
|
|
if (!fontRef) {
|
|
return nullptr;
|
|
}
|
|
|
|
if (aProxyEntry) {
|
|
uint16_t w = aProxyEntry->mWeight;
|
|
NS_ASSERTION(w >= 100 && w <= 900, "bogus font weight value!");
|
|
|
|
newFontEntry =
|
|
new MacOSFontEntry(aFontName, fontRef,
|
|
w, aProxyEntry->mStretch,
|
|
aProxyEntry->mItalic ?
|
|
NS_FONT_STYLE_ITALIC : NS_FONT_STYLE_NORMAL,
|
|
true, true);
|
|
} else {
|
|
newFontEntry =
|
|
new MacOSFontEntry(aFontName, fontRef,
|
|
400, 0, NS_FONT_STYLE_NORMAL,
|
|
false, false);
|
|
}
|
|
::CFRelease(fontRef);
|
|
|
|
return newFontEntry;
|
|
}
|
|
|
|
static void ReleaseData(void *info, const void *data, size_t size)
|
|
{
|
|
NS_Free((void*)data);
|
|
}
|
|
|
|
gfxFontEntry*
|
|
gfxMacPlatformFontList::MakePlatformFont(const gfxProxyFontEntry *aProxyEntry,
|
|
const uint8_t *aFontData,
|
|
uint32_t aLength)
|
|
{
|
|
NS_ASSERTION(aFontData, "MakePlatformFont called with null data");
|
|
|
|
uint16_t w = aProxyEntry->mWeight;
|
|
NS_ASSERTION(w >= 100 && w <= 900, "bogus font weight value!");
|
|
|
|
// 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;
|
|
}
|
|
|
|
nsAutoPtr<MacOSFontEntry>
|
|
newFontEntry(new MacOSFontEntry(uniqueName, fontRef, w,
|
|
aProxyEntry->mStretch,
|
|
aProxyEntry->mItalic ?
|
|
NS_FONT_STYLE_ITALIC :
|
|
NS_FONT_STYLE_NORMAL,
|
|
true, false));
|
|
::CFRelease(fontRef);
|
|
|
|
// if succeeded and font cmap is good, return the new font
|
|
if (newFontEntry->mIsValid && NS_SUCCEEDED(newFontEntry->ReadCMAP())) {
|
|
return newFontEntry.forget();
|
|
}
|
|
|
|
// if something is funky about this font, delete immediately
|
|
|
|
#if DEBUG
|
|
NS_WARNING("downloaded font not loaded properly");
|
|
#endif
|
|
|
|
return nullptr;
|
|
}
|
|
|
|
// 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() {}
|
|
|
|
virtual void Load() {
|
|
nsAutoreleasePool localPool;
|
|
FontInfoData::Load();
|
|
}
|
|
|
|
// loads font data for all members of a given family
|
|
virtual void LoadFontFamilyData(const nsAString& aFamilyName);
|
|
};
|
|
|
|
void
|
|
MacFontInfo::LoadFontFamilyData(const nsAString& aFamilyName)
|
|
{
|
|
// family name ==> CTFontDescriptor
|
|
NSString *famName = GetNSStringForString(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<nsString> 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 (mLoadCmaps) {
|
|
// face name
|
|
CFStringRef faceName = (CFStringRef)
|
|
CTFontDescriptorCopyAttribute(faceDesc, kCTFontNameAttribute);
|
|
|
|
nsAutoTArray<UniChar, 1024> buffer;
|
|
CFIndex len = CFStringGetLength(faceName);
|
|
buffer.SetLength(len+1);
|
|
CFStringGetCharacters(faceName, ::CFRangeMake(0, len),
|
|
buffer.Elements());
|
|
buffer[len] = 0;
|
|
nsAutoString fontName(reinterpret_cast<char16_t*>(buffer.Elements()),
|
|
len);
|
|
|
|
// load the cmap data
|
|
FontFaceData fontData;
|
|
CFDataRef cmapTable = CTFontCopyTable(fontRef, kCTFontTableCmap,
|
|
kCTFontTableOptionNoOptions);
|
|
if (cmapTable) {
|
|
bool unicodeFont = false, symbolFont = false; // ignored
|
|
const uint8_t *cmapData =
|
|
(const uint8_t*)CFDataGetBytePtr(cmapTable);
|
|
uint32_t cmapLen = CFDataGetLength(cmapTable);
|
|
nsRefPtr<gfxCharacterMap> charmap = new gfxCharacterMap();
|
|
uint32_t offset;
|
|
nsresult rv;
|
|
|
|
rv = gfxFontUtils::ReadCMAP(cmapData, cmapLen, *charmap, offset,
|
|
unicodeFont, symbolFont);
|
|
if (NS_SUCCEEDED(rv)) {
|
|
fontData.mCharacterMap = charmap;
|
|
fontData.mUVSOffset = offset;
|
|
fontData.mSymbolFont = symbolFont;
|
|
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);
|
|
gfxFontFamily::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();
|
|
|
|
nsRefPtr<MacFontInfo> fi =
|
|
new MacFontInfo(true, NeedFullnamePostscriptNames(), loadCmaps);
|
|
return fi.forget();
|
|
}
|
|
|