/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*- * ***** BEGIN LICENSE BLOCK ***** * Version: MPL 1.1/GPL 2.0/LGPL 2.1 * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is Mozilla Foundation code. * * The Initial Developer of the Original Code is Mozilla Foundation. * Portions created by the Initial Developer are Copyright (C) 2005 * the Initial Developer. All Rights Reserved. * * Contributor(s): * Vladimir Vukicevic * * Alternatively, the contents of this file may be used under the terms of * either the GNU General Public License Version 2 or later (the "GPL"), or * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), * in which case the provisions of the GPL or the LGPL are applicable instead * of those above. If you wish to allow use of your version of this file only * under the terms of either the GPL or the LGPL, and not to allow others to * use your version of this file under the terms of the MPL, indicate your * decision by deleting the provisions above and replace them with the notice * and other provisions required by the GPL or the LGPL. If you do not delete * the provisions above, a recipient may use your version of this file under * the terms of any one of the MPL, the GPL or the LGPL. * * ***** END LICENSE BLOCK ***** */ #include "gfxPlatform.h" #if defined(XP_WIN) #include "gfxWindowsPlatform.h" #elif defined(XP_MACOSX) #include "gfxPlatformMac.h" #elif defined(MOZ_WIDGET_GTK2) #include "gfxPlatformGtk.h" #elif defined(MOZ_WIDGET_QT) #include "gfxQtPlatform.h" #elif defined(XP_BEOS) #include "gfxBeOSPlatform.h" #elif defined(XP_OS2) #include "gfxOS2Platform.h" #elif defined(ANDROID) #include "gfxAndroidPlatform.h" #endif #include "gfxAtoms.h" #include "gfxPlatformFontList.h" #include "gfxContext.h" #include "gfxImageSurface.h" #include "gfxTextRunCache.h" #include "gfxTextRunWordCache.h" #include "gfxUserFontSet.h" #include "nsUnicodeRange.h" #include "nsServiceManagerUtils.h" #include "nsTArray.h" #include "nsIUGenCategory.h" #include "nsUnicharUtilCIID.h" #include "nsILocaleService.h" #include "nsWeakReference.h" #include "cairo.h" #include "qcms.h" #include "plstr.h" #include "nsIPrefService.h" #include "nsIPrefBranch.h" #include "nsIPrefBranch2.h" #include "nsIPrefLocalizedString.h" #include "nsCRT.h" #include "mozilla/FunctionTimer.h" gfxPlatform *gPlatform = nsnull; PRInt32 gfxPlatform::sDPI = -1; // These two may point to the same profile static qcms_profile *gCMSOutputProfile = nsnull; static qcms_profile *gCMSsRGBProfile = nsnull; static qcms_transform *gCMSRGBTransform = nsnull; static qcms_transform *gCMSInverseRGBTransform = nsnull; static qcms_transform *gCMSRGBATransform = nsnull; static PRBool gCMSInitialized = PR_FALSE; static eCMSMode gCMSMode = eCMSMode_Off; static int gCMSIntent = -2; static const char *CMPrefName = "gfx.color_management.mode"; static const char *CMPrefNameOld = "gfx.color_management.enabled"; static const char *CMIntentPrefName = "gfx.color_management.rendering_intent"; static const char *CMProfilePrefName = "gfx.color_management.display_profile"; static const char *CMForceSRGBPrefName = "gfx.color_management.force_srgb"; static void ShutdownCMS(); static void MigratePrefs(); /* Class to listen for pref changes so that chrome code can dynamically force sRGB as an output profile. See Bug #452125. */ class SRGBOverrideObserver : public nsIObserver, public nsSupportsWeakReference { public: NS_DECL_ISUPPORTS NS_DECL_NSIOBSERVER }; NS_IMPL_ISUPPORTS2(SRGBOverrideObserver, nsIObserver, nsISupportsWeakReference) NS_IMETHODIMP SRGBOverrideObserver::Observe(nsISupports *aSubject, const char *aTopic, const PRUnichar *someData) { NS_ASSERTION(NS_strcmp(someData, NS_LITERAL_STRING("gfx.color_mangement.force_srgb").get()), "Restarting CMS on wrong pref!"); ShutdownCMS(); return NS_OK; } #define GFX_DOWNLOADABLE_FONTS_ENABLED "gfx.downloadable_fonts.enabled" #define GFX_PREF_HARFBUZZ_LEVEL "gfx.font_rendering.harfbuzz.level" #define HARFBUZZ_LEVEL_DEFAULT 0 class FontPrefsObserver : public nsIObserver { public: NS_DECL_ISUPPORTS NS_DECL_NSIOBSERVER }; NS_IMPL_ISUPPORTS1(FontPrefsObserver, nsIObserver) NS_IMETHODIMP FontPrefsObserver::Observe(nsISupports *aSubject, const char *aTopic, const PRUnichar *someData) { nsCOMPtr branch = do_QueryInterface(aSubject); if (!branch || someData == nsnull) { NS_ERROR("font pref observer code broken"); return NS_ERROR_UNEXPECTED; } gfxPlatform::GetPlatform()->FontsPrefsChanged(branch, NS_ConvertUTF16toUTF8(someData).get()); return NS_OK; } // this needs to match the list of pref font.default.xx entries listed in all.js! // the order *must* match the order in eFontPrefLang static const char *gPrefLangNames[] = { "x-western", "x-central-euro", "ja", "zh-TW", "zh-CN", "zh-HK", "ko", "x-cyrillic", "x-baltic", "el", "tr", "th", "he", "ar", "x-devanagari", "x-tamil", "x-armn", "x-beng", "x-cans", "x-ethi", "x-geor", "x-gujr", "x-guru", "x-khmr", "x-mlym", "x-orya", "x-telu", "x-knda", "x-sinh", "x-tibt", "x-unicode", "x-user-def" }; gfxPlatform::gfxPlatform() { mUseHarfBuzzLevel = UNINITIALIZED_VALUE; mAllowDownloadableFonts = UNINITIALIZED_VALUE; } gfxPlatform* gfxPlatform::GetPlatform() { return gPlatform; } nsresult gfxPlatform::Init() { NS_ASSERTION(!gPlatform, "Already started???"); gfxAtoms::RegisterAtoms(); #if defined(XP_WIN) gPlatform = new gfxWindowsPlatform; #elif defined(XP_MACOSX) gPlatform = new gfxPlatformMac; #elif defined(MOZ_WIDGET_GTK2) gPlatform = new gfxPlatformGtk; #elif defined(MOZ_WIDGET_QT) gPlatform = new gfxQtPlatform; #elif defined(XP_BEOS) gPlatform = new gfxBeOSPlatform; #elif defined(XP_OS2) gPlatform = new gfxOS2Platform; #elif defined(ANDROID) gPlatform = new gfxAndroidPlatform; #endif if (!gPlatform) return NS_ERROR_OUT_OF_MEMORY; nsresult rv; #if defined(XP_MACOSX) || defined(XP_WIN) // temporary, until this is implemented on others rv = gfxPlatformFontList::Init(); if (NS_FAILED(rv)) { NS_ERROR("Could not initialize gfxPlatformFontList"); Shutdown(); return rv; } #endif rv = gfxFontCache::Init(); if (NS_FAILED(rv)) { NS_ERROR("Could not initialize gfxFontCache"); Shutdown(); return rv; } rv = gfxTextRunWordCache::Init(); if (NS_FAILED(rv)) { NS_ERROR("Could not initialize gfxTextRunWordCache"); Shutdown(); return rv; } rv = gfxTextRunCache::Init(); if (NS_FAILED(rv)) { NS_ERROR("Could not initialize gfxTextRunCache"); Shutdown(); return rv; } /* Pref migration hook. */ MigratePrefs(); /* Create and register our CMS Override observer. */ gPlatform->overrideObserver = new SRGBOverrideObserver(); FontPrefsObserver *fontPrefObserver = new FontPrefsObserver(); nsCOMPtr prefs = do_GetService(NS_PREFSERVICE_CONTRACTID); if (prefs) { prefs->AddObserver(CMForceSRGBPrefName, gPlatform->overrideObserver, PR_TRUE); prefs->AddObserver(GFX_DOWNLOADABLE_FONTS_ENABLED, fontPrefObserver, PR_FALSE); prefs->AddObserver("gfx.font_rendering.", fontPrefObserver, PR_FALSE); } return NS_OK; } void gfxPlatform::Shutdown() { // These may be called before the corresponding subsystems have actually // started up. That's OK, they can handle it. gfxTextRunCache::Shutdown(); gfxTextRunWordCache::Shutdown(); gfxFontCache::Shutdown(); gfxFontGroup::Shutdown(); #if defined(XP_MACOSX) || defined(XP_WIN) // temporary, until this is implemented on others gfxPlatformFontList::Shutdown(); #endif // Free the various non-null transforms and loaded profiles ShutdownCMS(); /* Unregister our CMS Override callback. */ nsCOMPtr prefs = do_GetService(NS_PREFSERVICE_CONTRACTID); if (prefs) prefs->RemoveObserver(CMForceSRGBPrefName, gPlatform->overrideObserver); delete gPlatform; gPlatform = nsnull; } gfxPlatform::~gfxPlatform() { // The cairo folks think we should only clean up in debug builds, // but we're generally in the habit of trying to shut down as // cleanly as possible even in production code, so call this // cairo_debug_* function unconditionally. // // because cairo can assert and thus crash on shutdown, don't do this in release builds #if MOZ_TREE_CAIRO && (defined(DEBUG) || defined(NS_BUILD_REFCNT_LOGGING) || defined(NS_TRACE_MALLOC)) cairo_debug_reset_static_data(); #endif #if 0 // It would be nice to do this (although it might need to be after // the cairo shutdown that happens in ~gfxPlatform). It even looks // idempotent. But it has fatal assertions that fire if stuff is // leaked, and we hit them. FcFini(); #endif } already_AddRefed gfxPlatform::OptimizeImage(gfxImageSurface *aSurface, gfxASurface::gfxImageFormat format) { const gfxIntSize& surfaceSize = aSurface->GetSize(); #ifdef XP_WIN if (gfxWindowsPlatform::GetPlatform()->GetRenderMode() == gfxWindowsPlatform::RENDER_DIRECT2D) { return nsnull; } #endif nsRefPtr optSurface = CreateOffscreenSurface(surfaceSize, format); if (!optSurface || optSurface->CairoStatus() != 0) return nsnull; gfxContext tmpCtx(optSurface); tmpCtx.SetOperator(gfxContext::OPERATOR_SOURCE); tmpCtx.SetSource(aSurface); tmpCtx.Paint(); gfxASurface *ret = optSurface; NS_ADDREF(ret); return ret; } nsresult gfxPlatform::GetFontList(nsIAtom *aLangGroup, const nsACString& aGenericFamily, nsTArray& aListOfFonts) { return NS_ERROR_NOT_IMPLEMENTED; } nsresult gfxPlatform::UpdateFontList() { return NS_ERROR_NOT_IMPLEMENTED; } PRBool gfxPlatform::GetBoolPref(const char *aPref, PRBool aDefault) { nsCOMPtr prefs = do_GetService(NS_PREFSERVICE_CONTRACTID); if (prefs) { PRBool allow; nsresult rv = prefs->GetBoolPref(aPref, &allow); if (NS_SUCCEEDED(rv)) return allow; } return aDefault; } PRBool gfxPlatform::DownloadableFontsEnabled() { if (mAllowDownloadableFonts == UNINITIALIZED_VALUE) { mAllowDownloadableFonts = GetBoolPref(GFX_DOWNLOADABLE_FONTS_ENABLED, PR_FALSE); } return mAllowDownloadableFonts; } PRInt8 gfxPlatform::UseHarfBuzzLevel() { if (mUseHarfBuzzLevel == UNINITIALIZED_VALUE) { mUseHarfBuzzLevel = HARFBUZZ_LEVEL_DEFAULT; nsCOMPtr prefs = do_GetService(NS_PREFSERVICE_CONTRACTID); if (prefs) { PRInt32 level; nsresult rv = prefs->GetIntPref(GFX_PREF_HARFBUZZ_LEVEL, &level); if (NS_SUCCEEDED(rv)) { mUseHarfBuzzLevel = level; } } } return mUseHarfBuzzLevel; } gfxFontEntry* gfxPlatform::MakePlatformFont(const gfxProxyFontEntry *aProxyEntry, const PRUint8 *aFontData, 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 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 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 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 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 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 ls = do_GetService(NS_LOCALESERVICE_CONTRACTID, &rv); if (NS_FAILED(rv)) break; nsCOMPtr 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 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(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 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 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. */ PRBool hasSRGBOverride, doSRGBOverride; rv = prefs->PrefHasUserValue(CMForceSRGBPrefName, &hasSRGBOverride); if (NS_SUCCEEDED(rv) && hasSRGBOverride) { 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 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); } } void gfxPlatform::InitDisplayCaps() { // Fall back to something sane gfxPlatform::sDPI = 96; } // default SetupClusterBoundaries, based on Unicode properties; // platform subclasses may override if they wish static nsIUGenCategory* gGenCategory = nsnull; static nsIUGenCategory* GetGenCategory() { if (!gGenCategory) { nsresult rv = CallGetService(NS_UNICHARCATEGORY_CONTRACTID, &gGenCategory); if (NS_FAILED(rv)) { NS_ERROR("Failed to get the Unicode character category service!"); gGenCategory = nsnull; } } return gGenCategory; } 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. return; } nsIUGenCategory* gc = GetGenCategory(); if (!gc) { NS_WARNING("No Unicode category service: cannot determine clusters"); return; } PRUint32 i, length = aTextRun->GetLength(); 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; } if (i > 0 && gc->Get(ch) == nsIUGenCategory::kMark) { gfxTextRun::CompressedGlyph g; aTextRun->SetGlyphs(i, g.SetComplex(PR_FALSE, PR_TRUE, 0), nsnull); } if (surrogatePair) { ++i; gfxTextRun::CompressedGlyph g; aTextRun->SetGlyphs(i, g.SetComplex(PR_FALSE, PR_TRUE, 0), nsnull); } } } 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_PREF_HARFBUZZ_LEVEL, aPref)) { mUseHarfBuzzLevel = UNINITIALIZED_VALUE; gfxTextRunWordCache::Flush(); gfxFontCache::GetCache()->AgeAllGenerations(); } }