mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
a1ca146c7c
Backed out changeset 2bc4310263c4 (bug 783368) Backed out changeset a35c83a8d99d (bug 783368) Backed out changeset afb9b2a661ba (bug 783368) Backed out changeset 3926f510f9be (bug 783368) Backed out changeset 9d1fe200ff87 (bug 783368) Backed out changeset b6e4f88f5730 (bug 783368) Backed out changeset bc53f7dba7c6 (bug 783368) Backed out changeset 1948fa2fccc1 (bug 783368) Backed out changeset 9af163388fd1 (bug 783368) Backed out changeset 7a2256e1aa7c (bug 783368) Backed out changeset 4da1958a9885 (bug 783368)
1649 lines
51 KiB
C++
1649 lines
51 KiB
C++
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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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 "mozilla/layers/CompositorChild.h"
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#include "mozilla/layers/CompositorParent.h"
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#include "mozilla/layers/ImageBridgeChild.h"
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#include "prlog.h"
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#include "prenv.h"
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#include "gfxPlatform.h"
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#include "nsXULAppAPI.h"
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#if defined(XP_WIN)
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#include "gfxWindowsPlatform.h"
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#include "gfxD2DSurface.h"
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#elif defined(XP_MACOSX)
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#include "gfxPlatformMac.h"
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#elif defined(MOZ_WIDGET_GTK)
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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 "nsGkAtoms.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 "gfxUserFontSet.h"
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#include "nsUnicodeProperties.h"
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#include "harfbuzz/hb.h"
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#ifdef MOZ_GRAPHITE
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#include "gfxGraphiteShaper.h"
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#endif
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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 "nsUnicharUtilCIID.h"
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#include "nsILocaleService.h"
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#include "nsReadableUtils.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 "nsCRT.h"
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#include "GLContext.h"
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#include "GLContextProvider.h"
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#ifdef MOZ_WIDGET_ANDROID
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#include "TexturePoolOGL.h"
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#endif
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#include "mozilla/Preferences.h"
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#include "mozilla/Assertions.h"
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#include "mozilla/Attributes.h"
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#include "nsIGfxInfo.h"
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using namespace mozilla;
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using namespace mozilla::layers;
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gfxPlatform *gPlatform = nullptr;
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static bool gEverInitialized = false;
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// These two may point to the same profile
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static qcms_profile *gCMSOutputProfile = nullptr;
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static qcms_profile *gCMSsRGBProfile = nullptr;
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static qcms_transform *gCMSRGBTransform = nullptr;
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static qcms_transform *gCMSInverseRGBTransform = nullptr;
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static qcms_transform *gCMSRGBATransform = nullptr;
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static bool gCMSInitialized = false;
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static eCMSMode gCMSMode = eCMSMode_Off;
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static int gCMSIntent = -2;
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static void ShutdownCMS();
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static void MigratePrefs();
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#include "mozilla/gfx/2D.h"
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using namespace mozilla::gfx;
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// logs shared across gfx
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#ifdef PR_LOGGING
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static PRLogModuleInfo *sFontlistLog = nullptr;
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static PRLogModuleInfo *sFontInitLog = nullptr;
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static PRLogModuleInfo *sTextrunLog = nullptr;
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static PRLogModuleInfo *sTextrunuiLog = nullptr;
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static PRLogModuleInfo *sCmapDataLog = nullptr;
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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 MOZ_FINAL : 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_PREF_HARFBUZZ_SCRIPTS "gfx.font_rendering.harfbuzz.scripts"
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#define HARFBUZZ_SCRIPTS_DEFAULT mozilla::unicode::SHAPING_DEFAULT
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#define GFX_PREF_FALLBACK_USE_CMAPS "gfx.font_rendering.fallback.always_use_cmaps"
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#define GFX_PREF_OPENTYPE_SVG "gfx.font_rendering.opentype_svg.enabled"
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#ifdef MOZ_GRAPHITE
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#define GFX_PREF_GRAPHITE_SHAPING "gfx.font_rendering.graphite.enabled"
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#endif
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#define BIDI_NUMERAL_PREF "bidi.numeral"
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static const char* kObservedPrefs[] = {
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"gfx.downloadable_fonts.",
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"gfx.font_rendering.",
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"bidi.numeral",
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nullptr
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};
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class FontPrefsObserver MOZ_FINAL : 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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if (!someData) {
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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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NS_ASSERTION(gfxPlatform::GetPlatform(), "the singleton instance has gone");
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gfxPlatform::GetPlatform()->FontsPrefsChanged(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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: mAzureCanvasBackendCollector(this, &gfxPlatform::GetAzureBackendInfo)
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{
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mUseHarfBuzzScripts = UNINITIALIZED_VALUE;
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mAllowDownloadableFonts = UNINITIALIZED_VALUE;
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mDownloadableFontsSanitize = UNINITIALIZED_VALUE;
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mFallbackUsesCmaps = UNINITIALIZED_VALUE;
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#ifdef MOZ_GRAPHITE
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mGraphiteShapingEnabled = UNINITIALIZED_VALUE;
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#endif
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mBidiNumeralOption = UNINITIALIZED_VALUE;
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uint32_t canvasMask = (1 << BACKEND_CAIRO) | (1 << BACKEND_SKIA);
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uint32_t contentMask = 0;
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InitBackendPrefs(canvasMask, contentMask);
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}
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gfxPlatform*
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gfxPlatform::GetPlatform()
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{
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if (!gPlatform) {
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Init();
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}
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return gPlatform;
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}
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void
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gfxPlatform::Init()
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{
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if (gEverInitialized) {
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NS_RUNTIMEABORT("Already started???");
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}
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gEverInitialized = true;
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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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sCmapDataLog = PR_NewLogModule("cmapdata");;
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#endif
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bool useOffMainThreadCompositing = false;
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#ifdef MOZ_X11
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// On X11 platforms only use OMTC if firefox was initalized with thread-safe
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// X11 (else it would crash).
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useOffMainThreadCompositing = (PR_GetEnv("MOZ_USE_OMTC") != NULL);
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#else
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useOffMainThreadCompositing = Preferences::GetBool(
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"layers.offmainthreadcomposition.enabled",
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false);
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#endif
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if (useOffMainThreadCompositing && (XRE_GetProcessType() ==
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GeckoProcessType_Default)) {
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CompositorParent::StartUp();
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if (Preferences::GetBool("layers.async-video.enabled",false)) {
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ImageBridgeChild::StartUp();
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}
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}
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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_GTK)
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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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#else
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#error "No gfxPlatform implementation available"
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#endif
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#ifdef DEBUG
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mozilla::gl::GLContext::StaticInit();
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#endif
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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_RUNTIMEABORT("Could not initialize gfxPlatformFontList");
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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_RUNTIMEABORT("Could not initialize mScreenReferenceSurface");
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}
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rv = gfxFontCache::Init();
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if (NS_FAILED(rv)) {
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NS_RUNTIMEABORT("Could not initialize gfxFontCache");
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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->mSRGBOverrideObserver = new SRGBOverrideObserver();
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Preferences::AddWeakObserver(gPlatform->mSRGBOverrideObserver, "gfx.color_management.force_srgb");
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gPlatform->mFontPrefsObserver = new FontPrefsObserver();
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Preferences::AddStrongObservers(gPlatform->mFontPrefsObserver, kObservedPrefs);
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gPlatform->mWorkAroundDriverBugs = Preferences::GetBool("gfx.work-around-driver-bugs", true);
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mozilla::gl::GLContext::PlatformStartup();
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#ifdef MOZ_WIDGET_ANDROID
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// Texture pool init
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mozilla::gl::TexturePoolOGL::Init();
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#endif
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// Force registration of the gfx component, thus arranging for
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// ::Shutdown to be called.
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nsCOMPtr<nsISupports> forceReg
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= do_CreateInstance("@mozilla.org/gfx/init;1");
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if (Preferences::GetBool("gfx.2d.recording", false)) {
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gPlatform->mRecorder = Factory::CreateEventRecorderForFile("browserrecording.aer");
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Factory::SetGlobalEventRecorder(gPlatform->mRecorder);
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}
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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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gfxFontCache::Shutdown();
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gfxFontGroup::Shutdown();
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#ifdef MOZ_GRAPHITE
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gfxGraphiteShaper::Shutdown();
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#endif
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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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// In some cases, gPlatform may not be created but Shutdown() called,
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// e.g., during xpcshell tests.
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if (gPlatform) {
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/* Unregister our CMS Override callback. */
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NS_ASSERTION(gPlatform->mSRGBOverrideObserver, "mSRGBOverrideObserver has alreay gone");
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Preferences::RemoveObserver(gPlatform->mSRGBOverrideObserver, "gfx.color_management.force_srgb");
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gPlatform->mSRGBOverrideObserver = nullptr;
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NS_ASSERTION(gPlatform->mFontPrefsObserver, "mFontPrefsObserver has alreay gone");
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Preferences::RemoveObservers(gPlatform->mFontPrefsObserver, kObservedPrefs);
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gPlatform->mFontPrefsObserver = nullptr;
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}
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#ifdef MOZ_WIDGET_ANDROID
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// Shut down the texture pool
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mozilla::gl::TexturePoolOGL::Shutdown();
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#endif
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// Shut down the default GL context provider.
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mozilla::gl::GLContextProvider::Shutdown();
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#if defined(XP_WIN)
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// The above shutdown calls operate on the available context providers on
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// most platforms. Windows is a "special snowflake", though, and has three
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// context providers available, so we have to shut all of them down.
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// We should only support the default GL provider on Windows; then, this
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// could go away. Unfortunately, we currently support WGL (the default) for
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// WebGL on Optimus.
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mozilla::gl::GLContextProviderEGL::Shutdown();
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#endif
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// This will block this thread untill the ImageBridge protocol is completely
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// deleted.
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ImageBridgeChild::ShutDown();
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CompositorParent::ShutDown();
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delete gPlatform;
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gPlatform = nullptr;
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}
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gfxPlatform::~gfxPlatform()
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{
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mScreenReferenceSurface = nullptr;
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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::CreateOffscreenImageSurface(const gfxIntSize& aSize,
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gfxASurface::gfxContentType aContentType)
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|
{
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nsRefPtr<gfxASurface> newSurface;
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newSurface = new gfxImageSurface(aSize, OptimalFormatForContent(aContentType));
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return newSurface.forget();
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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 nullptr;
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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 nullptr;
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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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|
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cairo_user_data_key_t kDrawTarget;
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RefPtr<DrawTarget>
|
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gfxPlatform::CreateDrawTargetForSurface(gfxASurface *aSurface, const IntSize& aSize)
|
|
{
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RefPtr<DrawTarget> drawTarget = Factory::CreateDrawTargetForCairoSurface(aSurface->CairoSurface(), aSize);
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aSurface->SetData(&kDrawTarget, drawTarget, NULL);
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return drawTarget;
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}
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|
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cairo_user_data_key_t kSourceSurface;
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|
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/**
|
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* Record the backend that was used to construct the SourceSurface.
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* When getting the cached SourceSurface for a gfxASurface/DrawTarget pair,
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* we check to make sure the DrawTarget's backend matches the backend
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* for the cached SourceSurface, and only use it if they match. This
|
|
* can avoid expensive and unnecessary readbacks.
|
|
*/
|
|
struct SourceSurfaceUserData
|
|
{
|
|
RefPtr<SourceSurface> mSrcSurface;
|
|
BackendType mBackendType;
|
|
};
|
|
|
|
void SourceBufferDestroy(void *srcSurfUD)
|
|
{
|
|
delete static_cast<SourceSurfaceUserData*>(srcSurfUD);
|
|
}
|
|
|
|
void SourceSnapshotDetached(cairo_surface_t *nullSurf)
|
|
{
|
|
gfxImageSurface* origSurf =
|
|
static_cast<gfxImageSurface*>(cairo_surface_get_user_data(nullSurf, &kSourceSurface));
|
|
|
|
origSurf->SetData(&kSourceSurface, NULL, NULL);
|
|
}
|
|
|
|
RefPtr<SourceSurface>
|
|
gfxPlatform::GetSourceSurfaceForSurface(DrawTarget *aTarget, gfxASurface *aSurface)
|
|
{
|
|
void *userData = aSurface->GetData(&kSourceSurface);
|
|
|
|
if (userData) {
|
|
SourceSurfaceUserData *surf = static_cast<SourceSurfaceUserData*>(userData);
|
|
|
|
if (surf->mSrcSurface->IsValid() && surf->mBackendType == aTarget->GetType()) {
|
|
return surf->mSrcSurface;
|
|
}
|
|
// We can just continue here as when setting new user data the destroy
|
|
// function will be called for the old user data.
|
|
}
|
|
|
|
SurfaceFormat format;
|
|
if (aSurface->GetContentType() == gfxASurface::CONTENT_ALPHA) {
|
|
format = FORMAT_A8;
|
|
} else if (aSurface->GetContentType() == gfxASurface::CONTENT_COLOR) {
|
|
format = FORMAT_B8G8R8X8;
|
|
} else {
|
|
format = FORMAT_B8G8R8A8;
|
|
}
|
|
|
|
RefPtr<SourceSurface> srcBuffer;
|
|
|
|
#ifdef XP_WIN
|
|
if (aSurface->GetType() == gfxASurface::SurfaceTypeD2D) {
|
|
NativeSurface surf;
|
|
surf.mFormat = format;
|
|
surf.mType = NATIVE_SURFACE_D3D10_TEXTURE;
|
|
surf.mSurface = static_cast<gfxD2DSurface*>(aSurface)->GetTexture();
|
|
mozilla::gfx::DrawTarget *dt = static_cast<mozilla::gfx::DrawTarget*>(aSurface->GetData(&kDrawTarget));
|
|
if (dt) {
|
|
dt->Flush();
|
|
}
|
|
srcBuffer = aTarget->CreateSourceSurfaceFromNativeSurface(surf);
|
|
} else
|
|
#endif
|
|
if (aSurface->CairoSurface() && aTarget->GetType() == BACKEND_CAIRO) {
|
|
// If this is an xlib cairo surface we don't want to fetch it into memory
|
|
// because this is a major slow down.
|
|
NativeSurface surf;
|
|
surf.mFormat = format;
|
|
surf.mType = NATIVE_SURFACE_CAIRO_SURFACE;
|
|
surf.mSurface = aSurface->CairoSurface();
|
|
srcBuffer = aTarget->CreateSourceSurfaceFromNativeSurface(surf);
|
|
|
|
if (srcBuffer) {
|
|
// It's cheap enough to make a new one so we won't keep it around and
|
|
// keeping it creates a cycle.
|
|
return srcBuffer;
|
|
}
|
|
}
|
|
|
|
if (!srcBuffer) {
|
|
nsRefPtr<gfxImageSurface> imgSurface = aSurface->GetAsImageSurface();
|
|
|
|
bool isWin32ImageSurf = imgSurface &&
|
|
aSurface->GetType() == gfxASurface::SurfaceTypeWin32;
|
|
|
|
if (!imgSurface) {
|
|
imgSurface = new gfxImageSurface(aSurface->GetSize(), OptimalFormatForContent(aSurface->GetContentType()));
|
|
nsRefPtr<gfxContext> ctx = new gfxContext(imgSurface);
|
|
ctx->SetSource(aSurface);
|
|
ctx->SetOperator(gfxContext::OPERATOR_SOURCE);
|
|
ctx->Paint();
|
|
}
|
|
|
|
gfxImageFormat cairoFormat = imgSurface->Format();
|
|
switch(cairoFormat) {
|
|
case gfxASurface::ImageFormatARGB32:
|
|
format = FORMAT_B8G8R8A8;
|
|
break;
|
|
case gfxASurface::ImageFormatRGB24:
|
|
format = FORMAT_B8G8R8X8;
|
|
break;
|
|
case gfxASurface::ImageFormatA8:
|
|
format = FORMAT_A8;
|
|
break;
|
|
case gfxASurface::ImageFormatRGB16_565:
|
|
format = FORMAT_R5G6B5;
|
|
break;
|
|
default:
|
|
NS_RUNTIMEABORT("Invalid surface format!");
|
|
}
|
|
|
|
IntSize size = IntSize(imgSurface->GetSize().width, imgSurface->GetSize().height);
|
|
srcBuffer = aTarget->CreateSourceSurfaceFromData(imgSurface->Data(),
|
|
size,
|
|
imgSurface->Stride(),
|
|
format);
|
|
|
|
if (!srcBuffer) {
|
|
// We need to check if our gfxASurface will keep the underlying data
|
|
// alive. This is true if gfxASurface actually -is- an ImageSurface or
|
|
// if it is a gfxWindowsSurface which supports GetAsImageSurface.
|
|
if (imgSurface != aSurface && !isWin32ImageSurf) {
|
|
// This shouldn't happen for now, it can be easily supported by making
|
|
// a copy. For now let's just abort.
|
|
NS_RUNTIMEABORT("Attempt to create unsupported SourceSurface from"
|
|
"non-image surface.");
|
|
return nullptr;
|
|
}
|
|
|
|
srcBuffer = Factory::CreateWrappingDataSourceSurface(imgSurface->Data(),
|
|
imgSurface->Stride(),
|
|
size, format);
|
|
|
|
}
|
|
|
|
cairo_surface_t *nullSurf =
|
|
cairo_null_surface_create(CAIRO_CONTENT_COLOR_ALPHA);
|
|
cairo_surface_set_user_data(nullSurf,
|
|
&kSourceSurface,
|
|
imgSurface,
|
|
NULL);
|
|
cairo_surface_attach_snapshot(imgSurface->CairoSurface(), nullSurf, SourceSnapshotDetached);
|
|
cairo_surface_destroy(nullSurf);
|
|
}
|
|
|
|
SourceSurfaceUserData *srcSurfUD = new SourceSurfaceUserData;
|
|
srcSurfUD->mBackendType = aTarget->GetType();
|
|
srcSurfUD->mSrcSurface = srcBuffer;
|
|
aSurface->SetData(&kSourceSurface, srcSurfUD, SourceBufferDestroy);
|
|
|
|
return srcBuffer;
|
|
}
|
|
|
|
TemporaryRef<ScaledFont>
|
|
gfxPlatform::GetScaledFontForFont(DrawTarget* aTarget, gfxFont *aFont)
|
|
{
|
|
NativeFont nativeFont;
|
|
nativeFont.mType = NATIVE_FONT_CAIRO_FONT_FACE;
|
|
nativeFont.mFont = aFont->GetCairoScaledFont();
|
|
RefPtr<ScaledFont> scaledFont =
|
|
Factory::CreateScaledFontForNativeFont(nativeFont,
|
|
aFont->GetAdjustedSize());
|
|
return scaledFont;
|
|
}
|
|
|
|
cairo_user_data_key_t kDrawSourceSurface;
|
|
static void
|
|
DataSourceSurfaceDestroy(void *dataSourceSurface)
|
|
{
|
|
static_cast<DataSourceSurface*>(dataSourceSurface)->Release();
|
|
}
|
|
|
|
cairo_user_data_key_t kDrawTargetForSurface;
|
|
static void
|
|
DataDrawTargetDestroy(void *aTarget)
|
|
{
|
|
static_cast<DrawTarget*>(aTarget)->Release();
|
|
}
|
|
|
|
already_AddRefed<gfxASurface>
|
|
gfxPlatform::GetThebesSurfaceForDrawTarget(DrawTarget *aTarget)
|
|
{
|
|
if (aTarget->GetType() == BACKEND_CAIRO) {
|
|
cairo_surface_t* csurf =
|
|
static_cast<cairo_surface_t*>(aTarget->GetNativeSurface(NATIVE_SURFACE_CAIRO_SURFACE));
|
|
return gfxASurface::Wrap(csurf);
|
|
}
|
|
|
|
// The semantics of this part of the function are sort of weird. If we
|
|
// don't have direct support for the backend, we snapshot the first time
|
|
// and then return the snapshotted surface for the lifetime of the draw
|
|
// target. Sometimes it seems like this works out, but it seems like it
|
|
// might result in no updates ever.
|
|
RefPtr<SourceSurface> source = aTarget->Snapshot();
|
|
RefPtr<DataSourceSurface> data = source->GetDataSurface();
|
|
|
|
if (!data) {
|
|
return NULL;
|
|
}
|
|
|
|
IntSize size = data->GetSize();
|
|
gfxASurface::gfxImageFormat format = OptimalFormatForContent(ContentForFormat(data->GetFormat()));
|
|
|
|
|
|
nsRefPtr<gfxASurface> surf =
|
|
new gfxImageSurface(data->GetData(), gfxIntSize(size.width, size.height),
|
|
data->Stride(), format);
|
|
|
|
surf->SetData(&kDrawSourceSurface, data.forget().drop(), DataSourceSurfaceDestroy);
|
|
// keep the draw target alive as long as we need its data
|
|
aTarget->AddRef();
|
|
surf->SetData(&kDrawTargetForSurface, aTarget, DataDrawTargetDestroy);
|
|
|
|
return surf.forget();
|
|
}
|
|
|
|
RefPtr<DrawTarget>
|
|
gfxPlatform::CreateDrawTargetForBackend(BackendType aBackend, const IntSize& aSize, SurfaceFormat aFormat)
|
|
{
|
|
// There is a bunch of knowledge in the gfxPlatform heirarchy about how to
|
|
// create the best offscreen surface for the current system and situation. We
|
|
// can easily take advantage of this for the Cairo backend, so that's what we
|
|
// do.
|
|
// mozilla::gfx::Factory can get away without having all this knowledge for
|
|
// now, but this might need to change in the future (using
|
|
// CreateOffscreenSurface() and CreateDrawTargetForSurface() for all
|
|
// backends).
|
|
if (aBackend == BACKEND_CAIRO) {
|
|
nsRefPtr<gfxASurface> surf = CreateOffscreenSurface(ThebesIntSize(aSize),
|
|
ContentForFormat(aFormat));
|
|
if (!surf || surf->CairoStatus()) {
|
|
return NULL;
|
|
}
|
|
|
|
return CreateDrawTargetForSurface(surf, aSize);
|
|
} else {
|
|
return Factory::CreateDrawTarget(aBackend, aSize, aFormat);
|
|
}
|
|
}
|
|
|
|
RefPtr<DrawTarget>
|
|
gfxPlatform::CreateOffscreenDrawTarget(const IntSize& aSize, SurfaceFormat aFormat)
|
|
{
|
|
NS_ASSERTION(mPreferredCanvasBackend, "No backend.");
|
|
RefPtr<DrawTarget> target = CreateDrawTargetForBackend(mPreferredCanvasBackend, aSize, aFormat);
|
|
if (target ||
|
|
mFallbackCanvasBackend == BACKEND_NONE) {
|
|
return target;
|
|
}
|
|
|
|
return CreateDrawTargetForBackend(mFallbackCanvasBackend, aSize, aFormat);
|
|
}
|
|
|
|
|
|
RefPtr<DrawTarget>
|
|
gfxPlatform::CreateDrawTargetForData(unsigned char* aData, const IntSize& aSize, int32_t aStride, SurfaceFormat aFormat)
|
|
{
|
|
NS_ASSERTION(mPreferredCanvasBackend, "No backend.");
|
|
return Factory::CreateDrawTargetForData(mPreferredCanvasBackend, aData, aSize, aStride, aFormat);
|
|
}
|
|
|
|
/* static */ BackendType
|
|
gfxPlatform::BackendTypeForName(const nsCString& aName)
|
|
{
|
|
if (aName.EqualsLiteral("cairo"))
|
|
return BACKEND_CAIRO;
|
|
if (aName.EqualsLiteral("skia"))
|
|
return BACKEND_SKIA;
|
|
if (aName.EqualsLiteral("direct2d"))
|
|
return BACKEND_DIRECT2D;
|
|
if (aName.EqualsLiteral("cg"))
|
|
return BACKEND_COREGRAPHICS;
|
|
return BACKEND_NONE;
|
|
}
|
|
|
|
nsresult
|
|
gfxPlatform::GetFontList(nsIAtom *aLangGroup,
|
|
const nsACString& aGenericFamily,
|
|
nsTArray<nsString>& aListOfFonts)
|
|
{
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
nsresult
|
|
gfxPlatform::UpdateFontList()
|
|
{
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
bool
|
|
gfxPlatform::DownloadableFontsEnabled()
|
|
{
|
|
if (mAllowDownloadableFonts == UNINITIALIZED_VALUE) {
|
|
mAllowDownloadableFonts =
|
|
Preferences::GetBool(GFX_DOWNLOADABLE_FONTS_ENABLED, false);
|
|
}
|
|
|
|
return mAllowDownloadableFonts;
|
|
}
|
|
|
|
bool
|
|
gfxPlatform::SanitizeDownloadedFonts()
|
|
{
|
|
if (mDownloadableFontsSanitize == UNINITIALIZED_VALUE) {
|
|
mDownloadableFontsSanitize =
|
|
Preferences::GetBool(GFX_DOWNLOADABLE_FONTS_SANITIZE, true);
|
|
}
|
|
|
|
return mDownloadableFontsSanitize;
|
|
}
|
|
|
|
bool
|
|
gfxPlatform::UseCmapsDuringSystemFallback()
|
|
{
|
|
if (mFallbackUsesCmaps == UNINITIALIZED_VALUE) {
|
|
mFallbackUsesCmaps =
|
|
Preferences::GetBool(GFX_PREF_FALLBACK_USE_CMAPS, false);
|
|
}
|
|
|
|
return mFallbackUsesCmaps;
|
|
}
|
|
|
|
#ifdef MOZ_GRAPHITE
|
|
bool
|
|
gfxPlatform::UseGraphiteShaping()
|
|
{
|
|
if (mGraphiteShapingEnabled == UNINITIALIZED_VALUE) {
|
|
mGraphiteShapingEnabled =
|
|
Preferences::GetBool(GFX_PREF_GRAPHITE_SHAPING, false);
|
|
}
|
|
|
|
return mGraphiteShapingEnabled;
|
|
}
|
|
#endif
|
|
|
|
bool
|
|
gfxPlatform::UseHarfBuzzForScript(int32_t aScriptCode)
|
|
{
|
|
if (mUseHarfBuzzScripts == UNINITIALIZED_VALUE) {
|
|
mUseHarfBuzzScripts = Preferences::GetInt(GFX_PREF_HARFBUZZ_SCRIPTS, HARFBUZZ_SCRIPTS_DEFAULT);
|
|
}
|
|
|
|
int32_t shapingType = mozilla::unicode::ScriptShapingType(aScriptCode);
|
|
|
|
return (mUseHarfBuzzScripts & shapingType) != 0;
|
|
}
|
|
|
|
gfxFontEntry*
|
|
gfxPlatform::MakePlatformFont(const gfxProxyFontEntry *aProxyEntry,
|
|
const uint8_t *aFontData,
|
|
uint32_t 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 nullptr;
|
|
}
|
|
|
|
static void
|
|
AppendGenericFontFromPref(nsString& aFonts, nsIAtom *aLangGroup, const char *aGenericName)
|
|
{
|
|
NS_ENSURE_TRUE_VOID(Preferences::GetRootBranch());
|
|
|
|
nsAutoCString prefName, langGroupString;
|
|
|
|
aLangGroup->ToUTF8String(langGroupString);
|
|
|
|
nsAutoCString genericDotLang;
|
|
if (aGenericName) {
|
|
genericDotLang.Assign(aGenericName);
|
|
} else {
|
|
prefName.AssignLiteral("font.default.");
|
|
prefName.Append(langGroupString);
|
|
genericDotLang = Preferences::GetCString(prefName.get());
|
|
}
|
|
|
|
genericDotLang.AppendLiteral(".");
|
|
genericDotLang.Append(langGroupString);
|
|
|
|
// fetch font.name.xxx value
|
|
prefName.AssignLiteral("font.name.");
|
|
prefName.Append(genericDotLang);
|
|
nsAdoptingString nameValue = Preferences::GetString(prefName.get());
|
|
if (nameValue) {
|
|
if (!aFonts.IsEmpty())
|
|
aFonts.AppendLiteral(", ");
|
|
aFonts += nameValue;
|
|
}
|
|
|
|
// fetch font.name-list.xxx value
|
|
prefName.AssignLiteral("font.name-list.");
|
|
prefName.Append(genericDotLang);
|
|
nsAdoptingString nameListValue = Preferences::GetString(prefName.get());
|
|
if (nameListValue && !nameListValue.Equals(nameValue)) {
|
|
if (!aFonts.IsEmpty())
|
|
aFonts.AppendLiteral(", ");
|
|
aFonts += nameListValue;
|
|
}
|
|
}
|
|
|
|
void
|
|
gfxPlatform::GetPrefFonts(nsIAtom *aLanguage, nsString& aFonts, bool aAppendUnicode)
|
|
{
|
|
aFonts.Truncate();
|
|
|
|
AppendGenericFontFromPref(aFonts, aLanguage, nullptr);
|
|
if (aAppendUnicode)
|
|
AppendGenericFontFromPref(aFonts, nsGkAtoms::Unicode, nullptr);
|
|
}
|
|
|
|
bool gfxPlatform::ForEachPrefFont(eFontPrefLang aLangArray[], uint32_t aLangArrayLen, PrefFontCallback aCallback,
|
|
void *aClosure)
|
|
{
|
|
NS_ENSURE_TRUE(Preferences::GetRootBranch(), false);
|
|
|
|
uint32_t i;
|
|
for (i = 0; i < aLangArrayLen; i++) {
|
|
eFontPrefLang prefLang = aLangArray[i];
|
|
const char *langGroup = GetPrefLangName(prefLang);
|
|
|
|
nsAutoCString prefName;
|
|
|
|
prefName.AssignLiteral("font.default.");
|
|
prefName.Append(langGroup);
|
|
nsAdoptingCString genericDotLang = Preferences::GetCString(prefName.get());
|
|
|
|
genericDotLang.AppendLiteral(".");
|
|
genericDotLang.Append(langGroup);
|
|
|
|
// fetch font.name.xxx value
|
|
prefName.AssignLiteral("font.name.");
|
|
prefName.Append(genericDotLang);
|
|
nsAdoptingCString nameValue = Preferences::GetCString(prefName.get());
|
|
if (nameValue) {
|
|
if (!aCallback(prefLang, NS_ConvertUTF8toUTF16(nameValue), aClosure))
|
|
return false;
|
|
}
|
|
|
|
// fetch font.name-list.xxx value
|
|
prefName.AssignLiteral("font.name-list.");
|
|
prefName.Append(genericDotLang);
|
|
nsAdoptingCString nameListValue = Preferences::GetCString(prefName.get());
|
|
if (nameListValue && !nameListValue.Equals(nameValue)) {
|
|
const char kComma = ',';
|
|
const char *p, *p_end;
|
|
nsAutoCString 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 */ ;
|
|
nsAutoCString fontName(Substring(start, p));
|
|
fontName.CompressWhitespace(false, true);
|
|
if (!aCallback(prefLang, NS_ConvertUTF8toUTF16(fontName), aClosure))
|
|
return false;
|
|
p++;
|
|
}
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
eFontPrefLang
|
|
gfxPlatform::GetFontPrefLangFor(const char* aLang)
|
|
{
|
|
if (!aLang || !aLang[0])
|
|
return eFontPrefLang_Others;
|
|
for (uint32_t i = 0; i < uint32_t(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;
|
|
nsAutoCString lang;
|
|
aLang->ToUTF8String(lang);
|
|
return GetFontPrefLangFor(lang.get());
|
|
}
|
|
|
|
const char*
|
|
gfxPlatform::GetPrefLangName(eFontPrefLang aLang)
|
|
{
|
|
if (uint32_t(aLang) < uint32_t(eFontPrefLang_AllCount))
|
|
return gPrefLangNames[uint32_t(aLang)];
|
|
return nullptr;
|
|
}
|
|
|
|
eFontPrefLang
|
|
gfxPlatform::GetFontPrefLangFor(uint8_t 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;
|
|
}
|
|
}
|
|
|
|
bool
|
|
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 true;
|
|
default:
|
|
return false;
|
|
}
|
|
}
|
|
|
|
void
|
|
gfxPlatform::GetLangPrefs(eFontPrefLang aPrefLangs[], uint32_t &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[], uint32_t &aLen, eFontPrefLang aCharLang, eFontPrefLang aPageLang)
|
|
{
|
|
// 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];
|
|
uint32_t tempLen = 0;
|
|
|
|
// Add the CJK pref fonts from accept languages, the order should be same order
|
|
nsAdoptingCString list = Preferences::GetLocalizedCString("intl.accept_languages");
|
|
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 */ ;
|
|
nsAutoCString lang(Substring(start, p));
|
|
lang.CompressWhitespace(false, 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
|
|
uint32_t j;
|
|
for (j = 0; j < tempLen; j++) {
|
|
mCJKPrefLangs.AppendElement(tempPrefLangs[j]);
|
|
}
|
|
}
|
|
|
|
// append in cached CJK langs
|
|
uint32_t i, numCJKlangs = mCJKPrefLangs.Length();
|
|
|
|
for (i = 0; i < numCJKlangs; i++) {
|
|
AppendPrefLang(aPrefLangs, aLen, (eFontPrefLang) (mCJKPrefLangs[i]));
|
|
}
|
|
|
|
}
|
|
|
|
void
|
|
gfxPlatform::AppendPrefLang(eFontPrefLang aPrefLangs[], uint32_t& aLen, eFontPrefLang aAddLang)
|
|
{
|
|
if (aLen >= kMaxLenPrefLangList) return;
|
|
|
|
// make sure
|
|
uint32_t i = 0;
|
|
while (i < aLen && aPrefLangs[i] != aAddLang) {
|
|
i++;
|
|
}
|
|
|
|
if (i == aLen) {
|
|
aPrefLangs[aLen] = aAddLang;
|
|
aLen++;
|
|
}
|
|
}
|
|
|
|
void
|
|
gfxPlatform::InitBackendPrefs(uint32_t aCanvasBitmask, uint32_t aContentBitmask)
|
|
{
|
|
mPreferredCanvasBackend = GetCanvasBackendPref(aCanvasBitmask);
|
|
if (!mPreferredCanvasBackend) {
|
|
mPreferredCanvasBackend = BACKEND_CAIRO;
|
|
}
|
|
mFallbackCanvasBackend = GetCanvasBackendPref(aCanvasBitmask & ~(1 << mPreferredCanvasBackend));
|
|
mContentBackend = GetContentBackendPref(aContentBitmask);
|
|
}
|
|
|
|
/* static */ BackendType
|
|
gfxPlatform::GetCanvasBackendPref(uint32_t aBackendBitmask)
|
|
{
|
|
return GetBackendPref(nullptr, "gfx.canvas.azure.backends", aBackendBitmask);
|
|
}
|
|
|
|
/* static */ BackendType
|
|
gfxPlatform::GetContentBackendPref(uint32_t aBackendBitmask)
|
|
{
|
|
return GetBackendPref("gfx.content.azure.enabled", "gfx.content.azure.backends", aBackendBitmask);
|
|
}
|
|
|
|
/* static */ BackendType
|
|
gfxPlatform::GetBackendPref(const char* aEnabledPrefName, const char* aBackendPrefName, uint32_t aBackendBitmask)
|
|
{
|
|
if (aEnabledPrefName &&
|
|
!Preferences::GetBool(aEnabledPrefName, false)) {
|
|
return BACKEND_NONE;
|
|
}
|
|
|
|
nsTArray<nsCString> backendList;
|
|
nsCString prefString;
|
|
if (NS_SUCCEEDED(Preferences::GetCString(aBackendPrefName, &prefString))) {
|
|
ParseString(prefString, ',', backendList);
|
|
}
|
|
|
|
for (uint32_t i = 0; i < backendList.Length(); ++i) {
|
|
BackendType result = BackendTypeForName(backendList[i]);
|
|
if ((1 << result) & aBackendBitmask) {
|
|
return result;
|
|
}
|
|
}
|
|
return BACKEND_NONE;
|
|
}
|
|
|
|
bool
|
|
gfxPlatform::UseProgressiveTilePainting()
|
|
{
|
|
static bool sUseProgressiveTilePainting;
|
|
static bool sUseProgressiveTilePaintingPrefCached = false;
|
|
|
|
if (!sUseProgressiveTilePaintingPrefCached) {
|
|
sUseProgressiveTilePaintingPrefCached = true;
|
|
mozilla::Preferences::AddBoolVarCache(&sUseProgressiveTilePainting,
|
|
"layers.progressive-paint",
|
|
false);
|
|
}
|
|
|
|
return sUseProgressiveTilePainting;
|
|
}
|
|
|
|
bool
|
|
gfxPlatform::OffMainThreadCompositingEnabled()
|
|
{
|
|
return XRE_GetProcessType() == GeckoProcessType_Default ?
|
|
CompositorParent::CompositorLoop() != nullptr :
|
|
CompositorChild::ChildProcessHasCompositor();
|
|
}
|
|
|
|
eCMSMode
|
|
gfxPlatform::GetCMSMode()
|
|
{
|
|
if (gCMSInitialized == false) {
|
|
gCMSInitialized = true;
|
|
nsresult rv;
|
|
|
|
int32_t mode;
|
|
rv = Preferences::GetInt("gfx.color_management.mode", &mode);
|
|
if (NS_SUCCEEDED(rv) && (mode >= 0) && (mode < eCMSMode_AllCount)) {
|
|
gCMSMode = static_cast<eCMSMode>(mode);
|
|
}
|
|
|
|
bool enableV4;
|
|
rv = Preferences::GetBool("gfx.color_management.enablev4", &enableV4);
|
|
if (NS_SUCCEEDED(rv) && enableV4) {
|
|
qcms_enable_iccv4();
|
|
}
|
|
}
|
|
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
|
|
|
|
int
|
|
gfxPlatform::GetRenderingIntent()
|
|
{
|
|
if (gCMSIntent == -2) {
|
|
|
|
/* Try to query the pref system for a rendering intent. */
|
|
int32_t pIntent;
|
|
if (NS_SUCCEEDED(Preferences::GetInt("gfx.color_management.rendering_intent", &pIntent))) {
|
|
/* 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. */
|
|
else {
|
|
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 */
|
|
uint32_t packed = in.Packed(gfxRGBA::PACKED_ABGR);
|
|
qcms_transform_data(transform,
|
|
(uint8_t *)&packed, (uint8_t *)&packed,
|
|
1);
|
|
out.~gfxRGBA();
|
|
new (&out) gfxRGBA(packed, gfxRGBA::PACKED_ABGR);
|
|
#else
|
|
/* ARGB puts the bytes in |ARGB| order on big endian */
|
|
uint32_t packed = in.Packed(gfxRGBA::PACKED_ARGB);
|
|
/* add one to move past the alpha byte */
|
|
qcms_transform_data(transform,
|
|
(uint8_t *)&packed + 1, (uint8_t *)&packed + 1,
|
|
1);
|
|
out.~gfxRGBA();
|
|
new (&out) gfxRGBA(packed, gfxRGBA::PACKED_ARGB);
|
|
#endif
|
|
}
|
|
|
|
else if (&out != &in)
|
|
out = in;
|
|
}
|
|
|
|
qcms_profile *
|
|
gfxPlatform::GetPlatformCMSOutputProfile()
|
|
{
|
|
return nullptr;
|
|
}
|
|
|
|
qcms_profile *
|
|
gfxPlatform::GetCMSOutputProfile()
|
|
{
|
|
if (!gCMSOutputProfile) {
|
|
/* 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 nsIPrefBranch::GetBoolPref
|
|
will typically throw (and leave its out-param untouched).
|
|
*/
|
|
if (Preferences::GetBool("gfx.color_management.force_srgb", false)) {
|
|
gCMSOutputProfile = GetCMSsRGBProfile();
|
|
}
|
|
|
|
if (!gCMSOutputProfile) {
|
|
nsAdoptingCString fname = Preferences::GetCString("gfx.color_management.display_profile");
|
|
if (!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 = nullptr;
|
|
}
|
|
|
|
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 nullptr;
|
|
|
|
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 nullptr;
|
|
|
|
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 nullptr;
|
|
|
|
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 = nullptr;
|
|
}
|
|
if (gCMSInverseRGBTransform) {
|
|
qcms_transform_release(gCMSInverseRGBTransform);
|
|
gCMSInverseRGBTransform = nullptr;
|
|
}
|
|
if (gCMSRGBATransform) {
|
|
qcms_transform_release(gCMSRGBATransform);
|
|
gCMSRGBATransform = nullptr;
|
|
}
|
|
if (gCMSOutputProfile) {
|
|
qcms_profile_release(gCMSOutputProfile);
|
|
|
|
// handle the aliased case
|
|
if (gCMSsRGBProfile == gCMSOutputProfile)
|
|
gCMSsRGBProfile = nullptr;
|
|
gCMSOutputProfile = nullptr;
|
|
}
|
|
if (gCMSsRGBProfile) {
|
|
qcms_profile_release(gCMSsRGBProfile);
|
|
gCMSsRGBProfile = nullptr;
|
|
}
|
|
|
|
// Reset the state variables
|
|
gCMSIntent = -2;
|
|
gCMSMode = eCMSMode_Off;
|
|
gCMSInitialized = false;
|
|
}
|
|
|
|
static void MigratePrefs()
|
|
{
|
|
/* Migrate from the boolean color_management.enabled pref - we now use
|
|
color_management.mode. */
|
|
if (Preferences::HasUserValue("gfx.color_management.enabled")) {
|
|
if (Preferences::GetBool("gfx.color_management.enabled", false)) {
|
|
Preferences::SetInt("gfx.color_management.mode", static_cast<int32_t>(eCMSMode_All));
|
|
}
|
|
Preferences::ClearUser("gfx.color_management.enabled");
|
|
}
|
|
}
|
|
|
|
// 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;
|
|
}
|
|
|
|
gfxShapedWord::SetupClusterBoundaries(aTextRun->GetCharacterGlyphs(),
|
|
aString, aTextRun->GetLength());
|
|
}
|
|
|
|
int32_t
|
|
gfxPlatform::GetBidiNumeralOption()
|
|
{
|
|
if (mBidiNumeralOption == UNINITIALIZED_VALUE) {
|
|
mBidiNumeralOption = Preferences::GetInt(BIDI_NUMERAL_PREF, 0);
|
|
}
|
|
return mBidiNumeralOption;
|
|
}
|
|
|
|
void
|
|
gfxPlatform::FontsPrefsChanged(const char *aPref)
|
|
{
|
|
NS_ASSERTION(aPref != nullptr, "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_PREF_FALLBACK_USE_CMAPS, aPref)) {
|
|
mFallbackUsesCmaps = UNINITIALIZED_VALUE;
|
|
#ifdef MOZ_GRAPHITE
|
|
} else if (!strcmp(GFX_PREF_GRAPHITE_SHAPING, aPref)) {
|
|
mGraphiteShapingEnabled = UNINITIALIZED_VALUE;
|
|
gfxFontCache *fontCache = gfxFontCache::GetCache();
|
|
if (fontCache) {
|
|
fontCache->AgeAllGenerations();
|
|
fontCache->FlushShapedWordCaches();
|
|
}
|
|
#endif
|
|
} else if (!strcmp(GFX_PREF_HARFBUZZ_SCRIPTS, aPref)) {
|
|
mUseHarfBuzzScripts = UNINITIALIZED_VALUE;
|
|
gfxFontCache *fontCache = gfxFontCache::GetCache();
|
|
if (fontCache) {
|
|
fontCache->AgeAllGenerations();
|
|
fontCache->FlushShapedWordCaches();
|
|
}
|
|
} else if (!strcmp(BIDI_NUMERAL_PREF, aPref)) {
|
|
mBidiNumeralOption = UNINITIALIZED_VALUE;
|
|
} else if (!strcmp(GFX_PREF_OPENTYPE_SVG, aPref)) {
|
|
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;
|
|
case eGfxLog_cmapdata:
|
|
return sCmapDataLog;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return nullptr;
|
|
#else
|
|
return nullptr;
|
|
#endif
|
|
}
|
|
|
|
int
|
|
gfxPlatform::GetScreenDepth() const
|
|
{
|
|
NS_WARNING("GetScreenDepth not implemented on this platform -- returning 0!");
|
|
return 0;
|
|
}
|
|
|
|
mozilla::gfx::SurfaceFormat
|
|
gfxPlatform::Optimal2DFormatForContent(gfxASurface::gfxContentType aContent)
|
|
{
|
|
switch (aContent) {
|
|
case gfxASurface::CONTENT_COLOR:
|
|
switch (GetOffscreenFormat()) {
|
|
case gfxASurface::ImageFormatARGB32:
|
|
return mozilla::gfx::FORMAT_B8G8R8A8;
|
|
case gfxASurface::ImageFormatRGB24:
|
|
return mozilla::gfx::FORMAT_B8G8R8X8;
|
|
case gfxASurface::ImageFormatRGB16_565:
|
|
return mozilla::gfx::FORMAT_R5G6B5;
|
|
default:
|
|
NS_NOTREACHED("unknown gfxImageFormat for CONTENT_COLOR");
|
|
return mozilla::gfx::FORMAT_B8G8R8A8;
|
|
}
|
|
case gfxASurface::CONTENT_ALPHA:
|
|
return mozilla::gfx::FORMAT_A8;
|
|
case gfxASurface::CONTENT_COLOR_ALPHA:
|
|
return mozilla::gfx::FORMAT_B8G8R8A8;
|
|
default:
|
|
NS_NOTREACHED("unknown gfxContentType");
|
|
return mozilla::gfx::FORMAT_B8G8R8A8;
|
|
}
|
|
}
|
|
|
|
gfxImageFormat
|
|
gfxPlatform::OptimalFormatForContent(gfxASurface::gfxContentType aContent)
|
|
{
|
|
switch (aContent) {
|
|
case gfxASurface::CONTENT_COLOR:
|
|
return GetOffscreenFormat();
|
|
case gfxASurface::CONTENT_ALPHA:
|
|
return gfxASurface::ImageFormatA8;
|
|
case gfxASurface::CONTENT_COLOR_ALPHA:
|
|
return gfxASurface::ImageFormatARGB32;
|
|
default:
|
|
NS_NOTREACHED("unknown gfxContentType");
|
|
return gfxASurface::ImageFormatARGB32;
|
|
}
|
|
}
|