mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-10-31 14:15:30 +00:00
1302 lines
41 KiB
C++
1302 lines
41 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 Foundation 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) 2005
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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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*
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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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#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 "gfxPlatform.h"
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#if defined(XP_WIN)
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#include "gfxWindowsPlatform.h"
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#elif defined(XP_MACOSX)
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#include "gfxPlatformMac.h"
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#elif defined(MOZ_WIDGET_GTK2)
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#include "gfxPlatformGtk.h"
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#elif defined(MOZ_WIDGET_QT)
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#include "gfxQtPlatform.h"
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#elif defined(XP_OS2)
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#include "gfxOS2Platform.h"
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#elif defined(ANDROID)
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#include "gfxAndroidPlatform.h"
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#endif
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#include "gfxAtoms.h"
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#include "gfxPlatformFontList.h"
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#include "gfxContext.h"
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#include "gfxImageSurface.h"
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#include "gfxTextRunCache.h"
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#include "gfxTextRunWordCache.h"
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#include "gfxUserFontSet.h"
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#include "gfxUnicodeProperties.h"
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#include "harfbuzz/hb-unicode.h"
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#include "nsUnicodeRange.h"
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#include "nsServiceManagerUtils.h"
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#include "nsTArray.h"
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#include "nsIUGenCategory.h"
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#include "nsUnicharUtilCIID.h"
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#include "nsILocaleService.h"
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#include "nsWeakReference.h"
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#include "cairo.h"
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#include "qcms.h"
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#include "plstr.h"
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#include "nsIPrefService.h"
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#include "nsIPrefBranch.h"
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#include "nsIPrefBranch2.h"
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#include "nsIPrefLocalizedString.h"
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#include "nsCRT.h"
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#include "GLContext.h"
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#include "GLContextProvider.h"
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#include "mozilla/FunctionTimer.h"
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#include "nsIGfxInfo.h"
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gfxPlatform *gPlatform = nsnull;
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// These two may point to the same profile
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static qcms_profile *gCMSOutputProfile = nsnull;
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static qcms_profile *gCMSsRGBProfile = nsnull;
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static qcms_transform *gCMSRGBTransform = nsnull;
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static qcms_transform *gCMSInverseRGBTransform = nsnull;
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static qcms_transform *gCMSRGBATransform = nsnull;
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static PRBool gCMSInitialized = PR_FALSE;
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static eCMSMode gCMSMode = eCMSMode_Off;
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static int gCMSIntent = -2;
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static const char *CMPrefName = "gfx.color_management.mode";
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static const char *CMPrefNameOld = "gfx.color_management.enabled";
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static const char *CMIntentPrefName = "gfx.color_management.rendering_intent";
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static const char *CMProfilePrefName = "gfx.color_management.display_profile";
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static const char *CMForceSRGBPrefName = "gfx.color_management.force_srgb";
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static void ShutdownCMS();
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static void MigratePrefs();
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// logs shared across gfx
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#ifdef PR_LOGGING
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static PRLogModuleInfo *sFontlistLog = nsnull;
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static PRLogModuleInfo *sFontInitLog = nsnull;
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static PRLogModuleInfo *sTextrunLog = nsnull;
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static PRLogModuleInfo *sTextrunuiLog = nsnull;
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#endif
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/* Class to listen for pref changes so that chrome code can dynamically
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force sRGB as an output profile. See Bug #452125. */
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class SRGBOverrideObserver : public nsIObserver,
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public nsSupportsWeakReference
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{
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public:
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NS_DECL_ISUPPORTS
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NS_DECL_NSIOBSERVER
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};
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NS_IMPL_ISUPPORTS2(SRGBOverrideObserver, nsIObserver, nsISupportsWeakReference)
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NS_IMETHODIMP
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SRGBOverrideObserver::Observe(nsISupports *aSubject,
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const char *aTopic,
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const PRUnichar *someData)
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{
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NS_ASSERTION(NS_strcmp(someData,
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NS_LITERAL_STRING("gfx.color_mangement.force_srgb").get()),
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"Restarting CMS on wrong pref!");
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ShutdownCMS();
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return NS_OK;
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}
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#define GFX_DOWNLOADABLE_FONTS_ENABLED "gfx.downloadable_fonts.enabled"
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#define GFX_DOWNLOADABLE_FONTS_SANITIZE "gfx.downloadable_fonts.sanitize"
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#define GFX_DOWNLOADABLE_FONTS_SANITIZE_PRESERVE_OTL \
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"gfx.downloadable_fonts.sanitize.preserve_otl_tables"
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#define GFX_PREF_HARFBUZZ_LEVEL "gfx.font_rendering.harfbuzz.level"
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#define HARFBUZZ_LEVEL_DEFAULT 0
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class FontPrefsObserver : public nsIObserver
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{
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public:
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NS_DECL_ISUPPORTS
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NS_DECL_NSIOBSERVER
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};
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NS_IMPL_ISUPPORTS1(FontPrefsObserver, nsIObserver)
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NS_IMETHODIMP
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FontPrefsObserver::Observe(nsISupports *aSubject,
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const char *aTopic,
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const PRUnichar *someData)
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{
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nsCOMPtr<nsIPrefBranch> branch = do_QueryInterface(aSubject);
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if (!branch || someData == nsnull) {
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NS_ERROR("font pref observer code broken");
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return NS_ERROR_UNEXPECTED;
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}
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gfxPlatform::GetPlatform()->FontsPrefsChanged(branch,
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NS_ConvertUTF16toUTF8(someData).get());
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return NS_OK;
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}
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// this needs to match the list of pref font.default.xx entries listed in all.js!
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// the order *must* match the order in eFontPrefLang
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static const char *gPrefLangNames[] = {
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"x-western",
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"x-central-euro",
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"ja",
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"zh-TW",
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"zh-CN",
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"zh-HK",
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"ko",
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"x-cyrillic",
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"x-baltic",
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"el",
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"tr",
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"th",
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"he",
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"ar",
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"x-devanagari",
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"x-tamil",
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"x-armn",
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"x-beng",
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"x-cans",
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"x-ethi",
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"x-geor",
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"x-gujr",
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"x-guru",
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"x-khmr",
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"x-mlym",
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"x-orya",
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"x-telu",
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"x-knda",
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"x-sinh",
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"x-tibt",
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"x-unicode",
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"x-user-def"
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};
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gfxPlatform::gfxPlatform()
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{
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mUseHarfBuzzLevel = UNINITIALIZED_VALUE;
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mAllowDownloadableFonts = UNINITIALIZED_VALUE;
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mDownloadableFontsSanitize = UNINITIALIZED_VALUE;
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mSanitizePreserveOTLTables = UNINITIALIZED_VALUE;
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}
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gfxPlatform*
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gfxPlatform::GetPlatform()
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{
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return gPlatform;
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}
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nsresult
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gfxPlatform::Init()
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{
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NS_ASSERTION(!gPlatform, "Already started???");
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gfxAtoms::RegisterAtoms();
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#ifdef PR_LOGGING
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sFontlistLog = PR_NewLogModule("fontlist");;
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sFontInitLog = PR_NewLogModule("fontinit");;
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sTextrunLog = PR_NewLogModule("textrun");;
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sTextrunuiLog = PR_NewLogModule("textrunui");;
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#endif
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/* Initialize the GfxInfo service.
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* Note: we can't call functions on GfxInfo that depend
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* on gPlatform until after it has been initialized
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* below. GfxInfo initialization annotates our
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* crash reports so we want to do it before
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* we try to load any drivers and do device detection
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* incase that code crashes. See bug #591561. */
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nsCOMPtr<nsIGfxInfo> gfxInfo;
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/* this currently will only succeed on Windows */
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gfxInfo = do_GetService("@mozilla.org/gfx/info;1");
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#if defined(XP_WIN)
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gPlatform = new gfxWindowsPlatform;
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#elif defined(XP_MACOSX)
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gPlatform = new gfxPlatformMac;
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#elif defined(MOZ_WIDGET_GTK2)
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gPlatform = new gfxPlatformGtk;
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#elif defined(MOZ_WIDGET_QT)
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gPlatform = new gfxQtPlatform;
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#elif defined(XP_OS2)
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gPlatform = new gfxOS2Platform;
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#elif defined(ANDROID)
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gPlatform = new gfxAndroidPlatform;
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#endif
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if (!gPlatform)
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return NS_ERROR_OUT_OF_MEMORY;
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nsresult rv;
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#if defined(XP_MACOSX) || defined(XP_WIN) || defined(ANDROID) // temporary, until this is implemented on others
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rv = gfxPlatformFontList::Init();
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if (NS_FAILED(rv)) {
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NS_ERROR("Could not initialize gfxPlatformFontList");
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Shutdown();
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return rv;
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}
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#endif
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gPlatform->mScreenReferenceSurface =
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gPlatform->CreateOffscreenSurface(gfxIntSize(1,1),
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gfxASurface::CONTENT_COLOR_ALPHA);
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if (!gPlatform->mScreenReferenceSurface) {
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NS_ERROR("Could not initialize mScreenReferenceSurface");
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Shutdown();
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return NS_ERROR_OUT_OF_MEMORY;
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}
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rv = gfxFontCache::Init();
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if (NS_FAILED(rv)) {
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NS_ERROR("Could not initialize gfxFontCache");
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Shutdown();
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return rv;
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}
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rv = gfxTextRunWordCache::Init();
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if (NS_FAILED(rv)) {
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NS_ERROR("Could not initialize gfxTextRunWordCache");
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Shutdown();
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return rv;
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}
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rv = gfxTextRunCache::Init();
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if (NS_FAILED(rv)) {
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NS_ERROR("Could not initialize gfxTextRunCache");
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Shutdown();
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return rv;
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}
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/* Pref migration hook. */
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MigratePrefs();
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/* Create and register our CMS Override observer. */
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gPlatform->overrideObserver = new SRGBOverrideObserver();
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FontPrefsObserver *fontPrefObserver = new FontPrefsObserver();
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nsCOMPtr<nsIPrefBranch2> prefs = do_GetService(NS_PREFSERVICE_CONTRACTID);
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if (prefs) {
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prefs->AddObserver(CMForceSRGBPrefName, gPlatform->overrideObserver, PR_TRUE);
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prefs->AddObserver("gfx.downloadable_fonts.", fontPrefObserver, PR_FALSE);
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prefs->AddObserver("gfx.font_rendering.", fontPrefObserver, PR_FALSE);
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}
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return NS_OK;
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}
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void
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gfxPlatform::Shutdown()
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{
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// These may be called before the corresponding subsystems have actually
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// started up. That's OK, they can handle it.
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gfxTextRunCache::Shutdown();
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gfxTextRunWordCache::Shutdown();
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gfxFontCache::Shutdown();
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gfxFontGroup::Shutdown();
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#if defined(XP_MACOSX) || defined(XP_WIN) // temporary, until this is implemented on others
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gfxPlatformFontList::Shutdown();
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#endif
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// Free the various non-null transforms and loaded profiles
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ShutdownCMS();
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/* Unregister our CMS Override callback. */
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nsCOMPtr<nsIPrefBranch2> prefs = do_GetService(NS_PREFSERVICE_CONTRACTID);
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if (prefs)
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prefs->RemoveObserver(CMForceSRGBPrefName, gPlatform->overrideObserver);
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mozilla::gl::GLContextProvider::Shutdown();
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delete gPlatform;
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gPlatform = nsnull;
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}
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gfxPlatform::~gfxPlatform()
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{
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// The cairo folks think we should only clean up in debug builds,
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// but we're generally in the habit of trying to shut down as
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// cleanly as possible even in production code, so call this
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// cairo_debug_* function unconditionally.
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//
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// because cairo can assert and thus crash on shutdown, don't do this in release builds
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#if MOZ_TREE_CAIRO && (defined(DEBUG) || defined(NS_BUILD_REFCNT_LOGGING) || defined(NS_TRACE_MALLOC))
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cairo_debug_reset_static_data();
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#endif
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#if 0
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// It would be nice to do this (although it might need to be after
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// the cairo shutdown that happens in ~gfxPlatform). It even looks
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// idempotent. But it has fatal assertions that fire if stuff is
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// leaked, and we hit them.
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FcFini();
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#endif
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}
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already_AddRefed<gfxASurface>
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gfxPlatform::OptimizeImage(gfxImageSurface *aSurface,
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gfxASurface::gfxImageFormat format)
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{
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const gfxIntSize& surfaceSize = aSurface->GetSize();
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#ifdef XP_WIN
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if (gfxWindowsPlatform::GetPlatform()->GetRenderMode() ==
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gfxWindowsPlatform::RENDER_DIRECT2D) {
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return nsnull;
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}
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#endif
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nsRefPtr<gfxASurface> optSurface = CreateOffscreenSurface(surfaceSize, gfxASurface::ContentFromFormat(format));
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if (!optSurface || optSurface->CairoStatus() != 0)
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return nsnull;
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gfxContext tmpCtx(optSurface);
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tmpCtx.SetOperator(gfxContext::OPERATOR_SOURCE);
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tmpCtx.SetSource(aSurface);
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tmpCtx.Paint();
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gfxASurface *ret = optSurface;
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NS_ADDREF(ret);
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return ret;
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}
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nsresult
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gfxPlatform::GetFontList(nsIAtom *aLangGroup,
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const nsACString& aGenericFamily,
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nsTArray<nsString>& aListOfFonts)
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{
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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nsresult
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gfxPlatform::UpdateFontList()
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{
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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PRBool
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gfxPlatform::GetBoolPref(const char *aPref, PRBool aDefault)
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{
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nsCOMPtr<nsIPrefBranch> prefs = do_GetService(NS_PREFSERVICE_CONTRACTID);
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if (prefs) {
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PRBool allow;
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nsresult rv = prefs->GetBoolPref(aPref, &allow);
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if (NS_SUCCEEDED(rv))
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return allow;
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}
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return aDefault;
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}
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PRBool
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gfxPlatform::DownloadableFontsEnabled()
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{
|
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if (mAllowDownloadableFonts == UNINITIALIZED_VALUE) {
|
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mAllowDownloadableFonts =
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GetBoolPref(GFX_DOWNLOADABLE_FONTS_ENABLED, PR_FALSE);
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}
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return mAllowDownloadableFonts;
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}
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PRBool
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gfxPlatform::SanitizeDownloadedFonts()
|
|
{
|
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if (mDownloadableFontsSanitize == UNINITIALIZED_VALUE) {
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mDownloadableFontsSanitize =
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GetBoolPref(GFX_DOWNLOADABLE_FONTS_SANITIZE, PR_TRUE);
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}
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return mDownloadableFontsSanitize;
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}
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PRBool
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gfxPlatform::PreserveOTLTablesWhenSanitizing()
|
|
{
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if (mSanitizePreserveOTLTables == UNINITIALIZED_VALUE) {
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mSanitizePreserveOTLTables =
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GetBoolPref(GFX_DOWNLOADABLE_FONTS_SANITIZE_PRESERVE_OTL, PR_FALSE);
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}
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return mSanitizePreserveOTLTables;
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}
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|
PRInt8
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|
gfxPlatform::UseHarfBuzzLevel()
|
|
{
|
|
if (mUseHarfBuzzLevel == UNINITIALIZED_VALUE) {
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mUseHarfBuzzLevel = HARFBUZZ_LEVEL_DEFAULT;
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|
nsCOMPtr<nsIPrefBranch2> prefs = do_GetService(NS_PREFSERVICE_CONTRACTID);
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if (prefs) {
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PRInt32 level;
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nsresult rv = prefs->GetIntPref(GFX_PREF_HARFBUZZ_LEVEL, &level);
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if (NS_SUCCEEDED(rv)) {
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mUseHarfBuzzLevel = level;
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}
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}
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}
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return mUseHarfBuzzLevel;
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}
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|
|
gfxFontEntry*
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|
gfxPlatform::MakePlatformFont(const gfxProxyFontEntry *aProxyEntry,
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|
const PRUint8 *aFontData,
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|
PRUint32 aLength)
|
|
{
|
|
// Default implementation does not handle activating downloaded fonts;
|
|
// just free the data and return.
|
|
// Platforms that support @font-face must override this,
|
|
// using the data to instantiate the font, and taking responsibility
|
|
// for freeing it when no longer required.
|
|
if (aFontData) {
|
|
NS_Free((void*)aFontData);
|
|
}
|
|
return nsnull;
|
|
}
|
|
|
|
static void
|
|
AppendGenericFontFromPref(nsString& aFonts, nsIAtom *aLangGroup, const char *aGenericName)
|
|
{
|
|
nsresult rv;
|
|
|
|
nsCOMPtr<nsIPrefBranch> prefs(do_GetService(NS_PREFSERVICE_CONTRACTID));
|
|
if (!prefs)
|
|
return;
|
|
|
|
nsCAutoString prefName, langGroupString;
|
|
nsXPIDLCString nameValue, nameListValue;
|
|
|
|
aLangGroup->ToUTF8String(langGroupString);
|
|
|
|
nsCAutoString genericDotLang;
|
|
if (aGenericName) {
|
|
genericDotLang.Assign(aGenericName);
|
|
} else {
|
|
prefName.AssignLiteral("font.default.");
|
|
prefName.Append(langGroupString);
|
|
prefs->GetCharPref(prefName.get(), getter_Copies(genericDotLang));
|
|
}
|
|
|
|
genericDotLang.AppendLiteral(".");
|
|
genericDotLang.Append(langGroupString);
|
|
|
|
// fetch font.name.xxx value
|
|
prefName.AssignLiteral("font.name.");
|
|
prefName.Append(genericDotLang);
|
|
rv = prefs->GetCharPref(prefName.get(), getter_Copies(nameValue));
|
|
if (NS_SUCCEEDED(rv)) {
|
|
if (!aFonts.IsEmpty())
|
|
aFonts.AppendLiteral(", ");
|
|
aFonts.Append(NS_ConvertUTF8toUTF16(nameValue));
|
|
}
|
|
|
|
// fetch font.name-list.xxx value
|
|
prefName.AssignLiteral("font.name-list.");
|
|
prefName.Append(genericDotLang);
|
|
rv = prefs->GetCharPref(prefName.get(), getter_Copies(nameListValue));
|
|
if (NS_SUCCEEDED(rv) && !nameListValue.Equals(nameValue)) {
|
|
if (!aFonts.IsEmpty())
|
|
aFonts.AppendLiteral(", ");
|
|
aFonts.Append(NS_ConvertUTF8toUTF16(nameListValue));
|
|
}
|
|
}
|
|
|
|
void
|
|
gfxPlatform::GetPrefFonts(nsIAtom *aLanguage, nsString& aFonts, PRBool aAppendUnicode)
|
|
{
|
|
aFonts.Truncate();
|
|
|
|
AppendGenericFontFromPref(aFonts, aLanguage, nsnull);
|
|
if (aAppendUnicode)
|
|
AppendGenericFontFromPref(aFonts, gfxAtoms::x_unicode, nsnull);
|
|
}
|
|
|
|
PRBool gfxPlatform::ForEachPrefFont(eFontPrefLang aLangArray[], PRUint32 aLangArrayLen, PrefFontCallback aCallback,
|
|
void *aClosure)
|
|
{
|
|
nsresult rv;
|
|
|
|
nsCOMPtr<nsIPrefBranch> prefs(do_GetService(NS_PREFSERVICE_CONTRACTID));
|
|
if (!prefs)
|
|
return PR_FALSE;
|
|
|
|
PRUint32 i;
|
|
|
|
for (i = 0; i < aLangArrayLen; i++) {
|
|
eFontPrefLang prefLang = aLangArray[i];
|
|
const char *langGroup = GetPrefLangName(prefLang);
|
|
|
|
nsCAutoString prefName;
|
|
nsXPIDLCString nameValue, nameListValue;
|
|
|
|
nsCAutoString genericDotLang;
|
|
prefName.AssignLiteral("font.default.");
|
|
prefName.Append(langGroup);
|
|
prefs->GetCharPref(prefName.get(), getter_Copies(genericDotLang));
|
|
|
|
genericDotLang.AppendLiteral(".");
|
|
genericDotLang.Append(langGroup);
|
|
|
|
// fetch font.name.xxx value
|
|
prefName.AssignLiteral("font.name.");
|
|
prefName.Append(genericDotLang);
|
|
rv = prefs->GetCharPref(prefName.get(), getter_Copies(nameValue));
|
|
if (NS_SUCCEEDED(rv)) {
|
|
if (!aCallback(prefLang, NS_ConvertUTF8toUTF16(nameValue), aClosure))
|
|
return PR_FALSE;
|
|
}
|
|
|
|
// fetch font.name-list.xxx value
|
|
prefName.AssignLiteral("font.name-list.");
|
|
prefName.Append(genericDotLang);
|
|
rv = prefs->GetCharPref(prefName.get(), getter_Copies(nameListValue));
|
|
if (NS_SUCCEEDED(rv) && !nameListValue.Equals(nameValue)) {
|
|
const char kComma = ',';
|
|
const char *p, *p_end;
|
|
nsCAutoString list(nameListValue);
|
|
list.BeginReading(p);
|
|
list.EndReading(p_end);
|
|
while (p < p_end) {
|
|
while (nsCRT::IsAsciiSpace(*p)) {
|
|
if (++p == p_end)
|
|
break;
|
|
}
|
|
if (p == p_end)
|
|
break;
|
|
const char *start = p;
|
|
while (++p != p_end && *p != kComma)
|
|
/* nothing */ ;
|
|
nsCAutoString fontName(Substring(start, p));
|
|
fontName.CompressWhitespace(PR_FALSE, PR_TRUE);
|
|
if (!aCallback(prefLang, NS_ConvertUTF8toUTF16(fontName), aClosure))
|
|
return PR_FALSE;
|
|
p++;
|
|
}
|
|
}
|
|
}
|
|
|
|
return PR_TRUE;
|
|
}
|
|
|
|
eFontPrefLang
|
|
gfxPlatform::GetFontPrefLangFor(const char* aLang)
|
|
{
|
|
if (!aLang || !aLang[0])
|
|
return eFontPrefLang_Others;
|
|
for (PRUint32 i = 0; i < PRUint32(eFontPrefLang_LangCount); ++i) {
|
|
if (!PL_strcasecmp(gPrefLangNames[i], aLang))
|
|
return eFontPrefLang(i);
|
|
}
|
|
return eFontPrefLang_Others;
|
|
}
|
|
|
|
eFontPrefLang
|
|
gfxPlatform::GetFontPrefLangFor(nsIAtom *aLang)
|
|
{
|
|
if (!aLang)
|
|
return eFontPrefLang_Others;
|
|
nsCAutoString lang;
|
|
aLang->ToUTF8String(lang);
|
|
return GetFontPrefLangFor(lang.get());
|
|
}
|
|
|
|
const char*
|
|
gfxPlatform::GetPrefLangName(eFontPrefLang aLang)
|
|
{
|
|
if (PRUint32(aLang) < PRUint32(eFontPrefLang_AllCount))
|
|
return gPrefLangNames[PRUint32(aLang)];
|
|
return nsnull;
|
|
}
|
|
|
|
eFontPrefLang
|
|
gfxPlatform::GetFontPrefLangFor(PRUint8 aUnicodeRange)
|
|
{
|
|
switch (aUnicodeRange) {
|
|
case kRangeSetLatin: return eFontPrefLang_Western;
|
|
case kRangeCyrillic: return eFontPrefLang_Cyrillic;
|
|
case kRangeGreek: return eFontPrefLang_Greek;
|
|
case kRangeTurkish: return eFontPrefLang_Turkish;
|
|
case kRangeHebrew: return eFontPrefLang_Hebrew;
|
|
case kRangeArabic: return eFontPrefLang_Arabic;
|
|
case kRangeBaltic: return eFontPrefLang_Baltic;
|
|
case kRangeThai: return eFontPrefLang_Thai;
|
|
case kRangeKorean: return eFontPrefLang_Korean;
|
|
case kRangeJapanese: return eFontPrefLang_Japanese;
|
|
case kRangeSChinese: return eFontPrefLang_ChineseCN;
|
|
case kRangeTChinese: return eFontPrefLang_ChineseTW;
|
|
case kRangeDevanagari: return eFontPrefLang_Devanagari;
|
|
case kRangeTamil: return eFontPrefLang_Tamil;
|
|
case kRangeArmenian: return eFontPrefLang_Armenian;
|
|
case kRangeBengali: return eFontPrefLang_Bengali;
|
|
case kRangeCanadian: return eFontPrefLang_Canadian;
|
|
case kRangeEthiopic: return eFontPrefLang_Ethiopic;
|
|
case kRangeGeorgian: return eFontPrefLang_Georgian;
|
|
case kRangeGujarati: return eFontPrefLang_Gujarati;
|
|
case kRangeGurmukhi: return eFontPrefLang_Gurmukhi;
|
|
case kRangeKhmer: return eFontPrefLang_Khmer;
|
|
case kRangeMalayalam: return eFontPrefLang_Malayalam;
|
|
case kRangeOriya: return eFontPrefLang_Oriya;
|
|
case kRangeTelugu: return eFontPrefLang_Telugu;
|
|
case kRangeKannada: return eFontPrefLang_Kannada;
|
|
case kRangeSinhala: return eFontPrefLang_Sinhala;
|
|
case kRangeTibetan: return eFontPrefLang_Tibetan;
|
|
case kRangeSetCJK: return eFontPrefLang_CJKSet;
|
|
default: return eFontPrefLang_Others;
|
|
}
|
|
}
|
|
|
|
PRBool
|
|
gfxPlatform::IsLangCJK(eFontPrefLang aLang)
|
|
{
|
|
switch (aLang) {
|
|
case eFontPrefLang_Japanese:
|
|
case eFontPrefLang_ChineseTW:
|
|
case eFontPrefLang_ChineseCN:
|
|
case eFontPrefLang_ChineseHK:
|
|
case eFontPrefLang_Korean:
|
|
case eFontPrefLang_CJKSet:
|
|
return PR_TRUE;
|
|
default:
|
|
return PR_FALSE;
|
|
}
|
|
}
|
|
|
|
void
|
|
gfxPlatform::GetLangPrefs(eFontPrefLang aPrefLangs[], PRUint32 &aLen, eFontPrefLang aCharLang, eFontPrefLang aPageLang)
|
|
{
|
|
if (IsLangCJK(aCharLang)) {
|
|
AppendCJKPrefLangs(aPrefLangs, aLen, aCharLang, aPageLang);
|
|
} else {
|
|
AppendPrefLang(aPrefLangs, aLen, aCharLang);
|
|
}
|
|
|
|
AppendPrefLang(aPrefLangs, aLen, eFontPrefLang_Others);
|
|
}
|
|
|
|
void
|
|
gfxPlatform::AppendCJKPrefLangs(eFontPrefLang aPrefLangs[], PRUint32 &aLen, eFontPrefLang aCharLang, eFontPrefLang aPageLang)
|
|
{
|
|
nsCOMPtr<nsIPrefBranch> prefs(do_GetService(NS_PREFSERVICE_CONTRACTID));
|
|
|
|
// prefer the lang specified by the page *if* CJK
|
|
if (IsLangCJK(aPageLang)) {
|
|
AppendPrefLang(aPrefLangs, aLen, aPageLang);
|
|
}
|
|
|
|
// if not set up, set up the default CJK order, based on accept lang settings and locale
|
|
if (mCJKPrefLangs.Length() == 0) {
|
|
|
|
// temp array
|
|
eFontPrefLang tempPrefLangs[kMaxLenPrefLangList];
|
|
PRUint32 tempLen = 0;
|
|
|
|
// Add the CJK pref fonts from accept languages, the order should be same order
|
|
nsCAutoString list;
|
|
if (prefs) {
|
|
nsCOMPtr<nsIPrefLocalizedString> prefString;
|
|
nsresult rv =
|
|
prefs->GetComplexValue("intl.accept_languages",
|
|
NS_GET_IID(nsIPrefLocalizedString),
|
|
getter_AddRefs(prefString));
|
|
if (NS_SUCCEEDED(rv) && prefString) {
|
|
nsAutoString temp;
|
|
prefString->ToString(getter_Copies(temp));
|
|
LossyCopyUTF16toASCII(temp, list);
|
|
}
|
|
}
|
|
|
|
if (!list.IsEmpty()) {
|
|
const char kComma = ',';
|
|
const char *p, *p_end;
|
|
list.BeginReading(p);
|
|
list.EndReading(p_end);
|
|
while (p < p_end) {
|
|
while (nsCRT::IsAsciiSpace(*p)) {
|
|
if (++p == p_end)
|
|
break;
|
|
}
|
|
if (p == p_end)
|
|
break;
|
|
const char *start = p;
|
|
while (++p != p_end && *p != kComma)
|
|
/* nothing */ ;
|
|
nsCAutoString lang(Substring(start, p));
|
|
lang.CompressWhitespace(PR_FALSE, PR_TRUE);
|
|
eFontPrefLang fpl = gfxPlatform::GetFontPrefLangFor(lang.get());
|
|
switch (fpl) {
|
|
case eFontPrefLang_Japanese:
|
|
case eFontPrefLang_Korean:
|
|
case eFontPrefLang_ChineseCN:
|
|
case eFontPrefLang_ChineseHK:
|
|
case eFontPrefLang_ChineseTW:
|
|
AppendPrefLang(tempPrefLangs, tempLen, fpl);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
p++;
|
|
}
|
|
}
|
|
|
|
do { // to allow 'break' to abort this block if a call fails
|
|
nsresult rv;
|
|
nsCOMPtr<nsILocaleService> ls =
|
|
do_GetService(NS_LOCALESERVICE_CONTRACTID, &rv);
|
|
if (NS_FAILED(rv))
|
|
break;
|
|
|
|
nsCOMPtr<nsILocale> appLocale;
|
|
rv = ls->GetApplicationLocale(getter_AddRefs(appLocale));
|
|
if (NS_FAILED(rv))
|
|
break;
|
|
|
|
nsString localeStr;
|
|
rv = appLocale->
|
|
GetCategory(NS_LITERAL_STRING(NSILOCALE_MESSAGE), localeStr);
|
|
if (NS_FAILED(rv))
|
|
break;
|
|
|
|
const nsAString& lang = Substring(localeStr, 0, 2);
|
|
if (lang.EqualsLiteral("ja")) {
|
|
AppendPrefLang(tempPrefLangs, tempLen, eFontPrefLang_Japanese);
|
|
} else if (lang.EqualsLiteral("zh")) {
|
|
const nsAString& region = Substring(localeStr, 3, 2);
|
|
if (region.EqualsLiteral("CN")) {
|
|
AppendPrefLang(tempPrefLangs, tempLen, eFontPrefLang_ChineseCN);
|
|
} else if (region.EqualsLiteral("TW")) {
|
|
AppendPrefLang(tempPrefLangs, tempLen, eFontPrefLang_ChineseTW);
|
|
} else if (region.EqualsLiteral("HK")) {
|
|
AppendPrefLang(tempPrefLangs, tempLen, eFontPrefLang_ChineseHK);
|
|
}
|
|
} else if (lang.EqualsLiteral("ko")) {
|
|
AppendPrefLang(tempPrefLangs, tempLen, eFontPrefLang_Korean);
|
|
}
|
|
} while (0);
|
|
|
|
// last resort... (the order is same as old gfx.)
|
|
AppendPrefLang(tempPrefLangs, tempLen, eFontPrefLang_Japanese);
|
|
AppendPrefLang(tempPrefLangs, tempLen, eFontPrefLang_Korean);
|
|
AppendPrefLang(tempPrefLangs, tempLen, eFontPrefLang_ChineseCN);
|
|
AppendPrefLang(tempPrefLangs, tempLen, eFontPrefLang_ChineseHK);
|
|
AppendPrefLang(tempPrefLangs, tempLen, eFontPrefLang_ChineseTW);
|
|
|
|
// copy into the cached array
|
|
PRUint32 j;
|
|
for (j = 0; j < tempLen; j++) {
|
|
mCJKPrefLangs.AppendElement(tempPrefLangs[j]);
|
|
}
|
|
}
|
|
|
|
// append in cached CJK langs
|
|
PRUint32 i, numCJKlangs = mCJKPrefLangs.Length();
|
|
|
|
for (i = 0; i < numCJKlangs; i++) {
|
|
AppendPrefLang(aPrefLangs, aLen, (eFontPrefLang) (mCJKPrefLangs[i]));
|
|
}
|
|
|
|
}
|
|
|
|
void
|
|
gfxPlatform::AppendPrefLang(eFontPrefLang aPrefLangs[], PRUint32& aLen, eFontPrefLang aAddLang)
|
|
{
|
|
if (aLen >= kMaxLenPrefLangList) return;
|
|
|
|
// make sure
|
|
PRUint32 i = 0;
|
|
while (i < aLen && aPrefLangs[i] != aAddLang) {
|
|
i++;
|
|
}
|
|
|
|
if (i == aLen) {
|
|
aPrefLangs[aLen] = aAddLang;
|
|
aLen++;
|
|
}
|
|
}
|
|
|
|
eCMSMode
|
|
gfxPlatform::GetCMSMode()
|
|
{
|
|
if (gCMSInitialized == PR_FALSE) {
|
|
gCMSInitialized = PR_TRUE;
|
|
nsCOMPtr<nsIPrefBranch> prefs = do_GetService(NS_PREFSERVICE_CONTRACTID);
|
|
if (prefs) {
|
|
PRInt32 mode;
|
|
nsresult rv =
|
|
prefs->GetIntPref(CMPrefName, &mode);
|
|
if (NS_SUCCEEDED(rv) && (mode >= 0) && (mode < eCMSMode_AllCount)) {
|
|
gCMSMode = static_cast<eCMSMode>(mode);
|
|
}
|
|
}
|
|
}
|
|
return gCMSMode;
|
|
}
|
|
|
|
/* Chris Murphy (CM consultant) suggests this as a default in the event that we
|
|
cannot reproduce relative + Black Point Compensation. BPC brings an
|
|
unacceptable performance overhead, so we go with perceptual. */
|
|
#define INTENT_DEFAULT QCMS_INTENT_PERCEPTUAL
|
|
#define INTENT_MIN 0
|
|
#define INTENT_MAX 3
|
|
|
|
PRBool
|
|
gfxPlatform::GetRenderingIntent()
|
|
{
|
|
if (gCMSIntent == -2) {
|
|
|
|
/* Try to query the pref system for a rendering intent. */
|
|
nsCOMPtr<nsIPrefBranch> prefs = do_GetService(NS_PREFSERVICE_CONTRACTID);
|
|
if (prefs) {
|
|
PRInt32 pIntent;
|
|
nsresult rv = prefs->GetIntPref(CMIntentPrefName, &pIntent);
|
|
if (NS_SUCCEEDED(rv)) {
|
|
|
|
/* If the pref is within range, use it as an override. */
|
|
if ((pIntent >= INTENT_MIN) && (pIntent <= INTENT_MAX))
|
|
gCMSIntent = pIntent;
|
|
|
|
/* If the pref is out of range, use embedded profile. */
|
|
else
|
|
gCMSIntent = -1;
|
|
}
|
|
}
|
|
|
|
/* If we didn't get a valid intent from prefs, use the default. */
|
|
if (gCMSIntent == -2)
|
|
gCMSIntent = INTENT_DEFAULT;
|
|
}
|
|
return gCMSIntent;
|
|
}
|
|
|
|
void
|
|
gfxPlatform::TransformPixel(const gfxRGBA& in, gfxRGBA& out, qcms_transform *transform)
|
|
{
|
|
|
|
if (transform) {
|
|
/* we want the bytes in RGB order */
|
|
#ifdef IS_LITTLE_ENDIAN
|
|
/* ABGR puts the bytes in |RGBA| order on little endian */
|
|
PRUint32 packed = in.Packed(gfxRGBA::PACKED_ABGR);
|
|
qcms_transform_data(transform,
|
|
(PRUint8 *)&packed, (PRUint8 *)&packed,
|
|
1);
|
|
out.~gfxRGBA();
|
|
new (&out) gfxRGBA(packed, gfxRGBA::PACKED_ABGR);
|
|
#else
|
|
/* ARGB puts the bytes in |ARGB| order on big endian */
|
|
PRUint32 packed = in.Packed(gfxRGBA::PACKED_ARGB);
|
|
/* add one to move past the alpha byte */
|
|
qcms_transform_data(transform,
|
|
(PRUint8 *)&packed + 1, (PRUint8 *)&packed + 1,
|
|
1);
|
|
out.~gfxRGBA();
|
|
new (&out) gfxRGBA(packed, gfxRGBA::PACKED_ARGB);
|
|
#endif
|
|
}
|
|
|
|
else if (&out != &in)
|
|
out = in;
|
|
}
|
|
|
|
qcms_profile *
|
|
gfxPlatform::GetPlatformCMSOutputProfile()
|
|
{
|
|
return nsnull;
|
|
}
|
|
|
|
qcms_profile *
|
|
gfxPlatform::GetCMSOutputProfile()
|
|
{
|
|
if (!gCMSOutputProfile) {
|
|
NS_TIME_FUNCTION;
|
|
|
|
nsCOMPtr<nsIPrefBranch> prefs = do_GetService(NS_PREFSERVICE_CONTRACTID);
|
|
if (prefs) {
|
|
|
|
nsresult rv;
|
|
|
|
/* Determine if we're using the internal override to force sRGB as
|
|
an output profile for reftests. See Bug 452125.
|
|
|
|
Note that we don't normally (outside of tests) set a
|
|
default value of this preference, which means GetBoolPref
|
|
will typically throw (and leave its out-param untouched).
|
|
*/
|
|
PRBool doSRGBOverride;
|
|
rv = prefs->GetBoolPref(CMForceSRGBPrefName, &doSRGBOverride);
|
|
if (NS_SUCCEEDED(rv) && doSRGBOverride)
|
|
gCMSOutputProfile = GetCMSsRGBProfile();
|
|
|
|
if (!gCMSOutputProfile) {
|
|
|
|
nsXPIDLCString fname;
|
|
rv = prefs->GetCharPref(CMProfilePrefName,
|
|
getter_Copies(fname));
|
|
if (NS_SUCCEEDED(rv) && !fname.IsEmpty()) {
|
|
gCMSOutputProfile = qcms_profile_from_path(fname);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!gCMSOutputProfile) {
|
|
gCMSOutputProfile =
|
|
gfxPlatform::GetPlatform()->GetPlatformCMSOutputProfile();
|
|
}
|
|
|
|
/* Determine if the profile looks bogus. If so, close the profile
|
|
* and use sRGB instead. See bug 460629, */
|
|
if (gCMSOutputProfile && qcms_profile_is_bogus(gCMSOutputProfile)) {
|
|
NS_ASSERTION(gCMSOutputProfile != GetCMSsRGBProfile(),
|
|
"Builtin sRGB profile tagged as bogus!!!");
|
|
qcms_profile_release(gCMSOutputProfile);
|
|
gCMSOutputProfile = nsnull;
|
|
}
|
|
|
|
if (!gCMSOutputProfile) {
|
|
gCMSOutputProfile = GetCMSsRGBProfile();
|
|
}
|
|
/* Precache the LUT16 Interpolations for the output profile. See
|
|
bug 444661 for details. */
|
|
qcms_profile_precache_output_transform(gCMSOutputProfile);
|
|
}
|
|
|
|
return gCMSOutputProfile;
|
|
}
|
|
|
|
qcms_profile *
|
|
gfxPlatform::GetCMSsRGBProfile()
|
|
{
|
|
if (!gCMSsRGBProfile) {
|
|
|
|
/* Create the profile using qcms. */
|
|
gCMSsRGBProfile = qcms_profile_sRGB();
|
|
}
|
|
return gCMSsRGBProfile;
|
|
}
|
|
|
|
qcms_transform *
|
|
gfxPlatform::GetCMSRGBTransform()
|
|
{
|
|
if (!gCMSRGBTransform) {
|
|
qcms_profile *inProfile, *outProfile;
|
|
outProfile = GetCMSOutputProfile();
|
|
inProfile = GetCMSsRGBProfile();
|
|
|
|
if (!inProfile || !outProfile)
|
|
return nsnull;
|
|
|
|
gCMSRGBTransform = qcms_transform_create(inProfile, QCMS_DATA_RGB_8,
|
|
outProfile, QCMS_DATA_RGB_8,
|
|
QCMS_INTENT_PERCEPTUAL);
|
|
}
|
|
|
|
return gCMSRGBTransform;
|
|
}
|
|
|
|
qcms_transform *
|
|
gfxPlatform::GetCMSInverseRGBTransform()
|
|
{
|
|
if (!gCMSInverseRGBTransform) {
|
|
qcms_profile *inProfile, *outProfile;
|
|
inProfile = GetCMSOutputProfile();
|
|
outProfile = GetCMSsRGBProfile();
|
|
|
|
if (!inProfile || !outProfile)
|
|
return nsnull;
|
|
|
|
gCMSInverseRGBTransform = qcms_transform_create(inProfile, QCMS_DATA_RGB_8,
|
|
outProfile, QCMS_DATA_RGB_8,
|
|
QCMS_INTENT_PERCEPTUAL);
|
|
}
|
|
|
|
return gCMSInverseRGBTransform;
|
|
}
|
|
|
|
qcms_transform *
|
|
gfxPlatform::GetCMSRGBATransform()
|
|
{
|
|
if (!gCMSRGBATransform) {
|
|
qcms_profile *inProfile, *outProfile;
|
|
outProfile = GetCMSOutputProfile();
|
|
inProfile = GetCMSsRGBProfile();
|
|
|
|
if (!inProfile || !outProfile)
|
|
return nsnull;
|
|
|
|
gCMSRGBATransform = qcms_transform_create(inProfile, QCMS_DATA_RGBA_8,
|
|
outProfile, QCMS_DATA_RGBA_8,
|
|
QCMS_INTENT_PERCEPTUAL);
|
|
}
|
|
|
|
return gCMSRGBATransform;
|
|
}
|
|
|
|
/* Shuts down various transforms and profiles for CMS. */
|
|
static void ShutdownCMS()
|
|
{
|
|
|
|
if (gCMSRGBTransform) {
|
|
qcms_transform_release(gCMSRGBTransform);
|
|
gCMSRGBTransform = nsnull;
|
|
}
|
|
if (gCMSInverseRGBTransform) {
|
|
qcms_transform_release(gCMSInverseRGBTransform);
|
|
gCMSInverseRGBTransform = nsnull;
|
|
}
|
|
if (gCMSRGBATransform) {
|
|
qcms_transform_release(gCMSRGBATransform);
|
|
gCMSRGBATransform = nsnull;
|
|
}
|
|
if (gCMSOutputProfile) {
|
|
qcms_profile_release(gCMSOutputProfile);
|
|
|
|
// handle the aliased case
|
|
if (gCMSsRGBProfile == gCMSOutputProfile)
|
|
gCMSsRGBProfile = nsnull;
|
|
gCMSOutputProfile = nsnull;
|
|
}
|
|
if (gCMSsRGBProfile) {
|
|
qcms_profile_release(gCMSsRGBProfile);
|
|
gCMSsRGBProfile = nsnull;
|
|
}
|
|
|
|
// Reset the state variables
|
|
gCMSIntent = -2;
|
|
gCMSMode = eCMSMode_Off;
|
|
gCMSInitialized = PR_FALSE;
|
|
}
|
|
|
|
static void MigratePrefs()
|
|
{
|
|
|
|
/* Load the pref service. If we don't get it die quietly since this isn't
|
|
critical code. */
|
|
nsCOMPtr<nsIPrefBranch> prefs = do_GetService(NS_PREFSERVICE_CONTRACTID);
|
|
if (!prefs)
|
|
return;
|
|
|
|
/* Migrate from the boolean color_management.enabled pref - we now use
|
|
color_management.mode. */
|
|
PRBool hasOldCMPref;
|
|
nsresult rv =
|
|
prefs->PrefHasUserValue(CMPrefNameOld, &hasOldCMPref);
|
|
if (NS_SUCCEEDED(rv) && (hasOldCMPref == PR_TRUE)) {
|
|
PRBool CMWasEnabled;
|
|
rv = prefs->GetBoolPref(CMPrefNameOld, &CMWasEnabled);
|
|
if (NS_SUCCEEDED(rv) && (CMWasEnabled == PR_TRUE))
|
|
prefs->SetIntPref(CMPrefName, eCMSMode_All);
|
|
prefs->ClearUserPref(CMPrefNameOld);
|
|
}
|
|
|
|
}
|
|
|
|
// default SetupClusterBoundaries, based on Unicode properties;
|
|
// platform subclasses may override if they wish
|
|
void
|
|
gfxPlatform::SetupClusterBoundaries(gfxTextRun *aTextRun, const PRUnichar *aString)
|
|
{
|
|
if (aTextRun->GetFlags() & gfxTextRunFactory::TEXT_IS_8BIT) {
|
|
// 8-bit text doesn't have clusters.
|
|
// XXX is this true in all languages???
|
|
// behdad: don't think so. Czech for example IIRC has a
|
|
// 'ch' grapheme.
|
|
// jfkthame: but that's not expected to behave as a grapheme cluster
|
|
// for selection/editing/etc.
|
|
return;
|
|
}
|
|
|
|
gfxTextRun::CompressedGlyph extendCluster;
|
|
extendCluster.SetComplex(PR_FALSE, PR_TRUE, 0);
|
|
|
|
PRUint32 i, length = aTextRun->GetLength();
|
|
gfxUnicodeProperties::HSType hangulState = gfxUnicodeProperties::HST_NONE;
|
|
|
|
for (i = 0; i < length; ++i) {
|
|
PRBool surrogatePair = PR_FALSE;
|
|
PRUint32 ch = aString[i];
|
|
if (NS_IS_HIGH_SURROGATE(ch) &&
|
|
i < length - 1 && NS_IS_LOW_SURROGATE(aString[i+1]))
|
|
{
|
|
ch = SURROGATE_TO_UCS4(ch, aString[i+1]);
|
|
surrogatePair = PR_TRUE;
|
|
}
|
|
|
|
PRUint8 category = gfxUnicodeProperties::GetGeneralCategory(ch);
|
|
gfxUnicodeProperties::HSType hangulType = gfxUnicodeProperties::HST_NONE;
|
|
|
|
// combining marks extend the cluster
|
|
if ((category >= HB_CATEGORY_COMBINING_MARK &&
|
|
category <= HB_CATEGORY_NON_SPACING_MARK) ||
|
|
(ch >= 0x200c && ch <= 0x200d) || // ZWJ, ZWNJ
|
|
(ch >= 0xff9e && ch <= 0xff9f)) // katakana sound marks
|
|
{
|
|
if (i > 0) {
|
|
aTextRun->SetGlyphs(i, extendCluster, nsnull);
|
|
}
|
|
} else if (category == HB_CATEGORY_OTHER_LETTER) {
|
|
// handle special cases in Letter_Other category
|
|
#if 0
|
|
// Currently disabled. This would follow the UAX#29 specification
|
|
// for extended grapheme clusters, but this is not favored by
|
|
// Thai users, at least for editing behavior.
|
|
// See discussion of equivalent Pango issue in bug 474068 and
|
|
// upstream at https://bugzilla.gnome.org/show_bug.cgi?id=576156.
|
|
|
|
if ((ch & ~0xff) == 0x0e00) {
|
|
// specific Thai & Lao (U+0Exx) chars that extend the cluster
|
|
if ( ch == 0x0e30 ||
|
|
(ch >= 0x0e32 && ch <= 0x0e33) ||
|
|
ch == 0x0e45 ||
|
|
ch == 0x0eb0 ||
|
|
(ch >= 0x0eb2 && ch <= 0x0eb3))
|
|
{
|
|
if (i > 0) {
|
|
aTextRun->SetGlyphs(i, extendCluster, nsnull);
|
|
}
|
|
}
|
|
else if ((ch >= 0x0e40 && ch <= 0x0e44) ||
|
|
(ch >= 0x0ec0 && ch <= 0x0ec4))
|
|
{
|
|
// characters that are prepended to the following cluster
|
|
if (i < length - 1) {
|
|
aTextRun->SetGlyphs(i+1, extendCluster, nsnull);
|
|
}
|
|
}
|
|
} else
|
|
#endif
|
|
if ((ch & ~0xff) == 0x1100 ||
|
|
(ch >= 0xa960 && ch <= 0xa97f) ||
|
|
(ch >= 0xac00 && ch <= 0xd7ff))
|
|
{
|
|
// no break within Hangul syllables
|
|
hangulType = gfxUnicodeProperties::GetHangulSyllableType(ch);
|
|
switch (hangulType) {
|
|
case gfxUnicodeProperties::HST_L:
|
|
case gfxUnicodeProperties::HST_LV:
|
|
case gfxUnicodeProperties::HST_LVT:
|
|
if (hangulState == gfxUnicodeProperties::HST_L) {
|
|
aTextRun->SetGlyphs(i, extendCluster, nsnull);
|
|
}
|
|
break;
|
|
case gfxUnicodeProperties::HST_V:
|
|
if ( (hangulState != gfxUnicodeProperties::HST_NONE) &&
|
|
!(hangulState & gfxUnicodeProperties::HST_T))
|
|
{
|
|
aTextRun->SetGlyphs(i, extendCluster, nsnull);
|
|
}
|
|
break;
|
|
case gfxUnicodeProperties::HST_T:
|
|
if (hangulState & (gfxUnicodeProperties::HST_V |
|
|
gfxUnicodeProperties::HST_T))
|
|
{
|
|
aTextRun->SetGlyphs(i, extendCluster, nsnull);
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (surrogatePair) {
|
|
++i;
|
|
aTextRun->SetGlyphs(i, extendCluster, nsnull);
|
|
}
|
|
|
|
hangulState = hangulType;
|
|
}
|
|
}
|
|
|
|
void
|
|
gfxPlatform::FontsPrefsChanged(nsIPrefBranch *aPrefBranch, const char *aPref)
|
|
{
|
|
NS_ASSERTION(aPref != nsnull, "null preference");
|
|
if (!strcmp(GFX_DOWNLOADABLE_FONTS_ENABLED, aPref)) {
|
|
mAllowDownloadableFonts = UNINITIALIZED_VALUE;
|
|
} else if (!strcmp(GFX_DOWNLOADABLE_FONTS_SANITIZE, aPref)) {
|
|
mDownloadableFontsSanitize = UNINITIALIZED_VALUE;
|
|
} else if (!strcmp(GFX_DOWNLOADABLE_FONTS_SANITIZE_PRESERVE_OTL, aPref)) {
|
|
mSanitizePreserveOTLTables = UNINITIALIZED_VALUE;
|
|
} else if (!strcmp(GFX_PREF_HARFBUZZ_LEVEL, aPref)) {
|
|
mUseHarfBuzzLevel = UNINITIALIZED_VALUE;
|
|
gfxTextRunWordCache::Flush();
|
|
gfxFontCache::GetCache()->AgeAllGenerations();
|
|
}
|
|
}
|
|
|
|
|
|
PRLogModuleInfo*
|
|
gfxPlatform::GetLog(eGfxLog aWhichLog)
|
|
{
|
|
#ifdef PR_LOGGING
|
|
switch (aWhichLog) {
|
|
case eGfxLog_fontlist:
|
|
return sFontlistLog;
|
|
break;
|
|
case eGfxLog_fontinit:
|
|
return sFontInitLog;
|
|
break;
|
|
case eGfxLog_textrun:
|
|
return sTextrunLog;
|
|
break;
|
|
case eGfxLog_textrunui:
|
|
return sTextrunuiLog;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return nsnull;
|
|
#else
|
|
return nsnull;
|
|
#endif
|
|
}
|