The Tor Browser: comparison gfx/thebes/gfxQtPlatform.cpp

--1:000000000000
+:fa73484e198e
+/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+* This Source Code Form is subject to the terms of the Mozilla Public
+* License, v. 2.0. If a copy of the MPL was not distributed with this
+* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+#include <QPixmap>
+#include <QWindow>
+#ifdef MOZ_X11
+#include <qpa/qplatformnativeinterface.h>
+#include <qpa/qplatformintegration.h>
+#endif
+#include <QGuiApplication>
+#include <QScreen>
+#include "gfxQtPlatform.h"
+#include "gfxFontconfigUtils.h"
+#include "mozilla/gfx/2D.h"
+#include "cairo.h"
+#include "gfxImageSurface.h"
+#include "gfxQPainterSurface.h"
+#include "nsUnicodeProperties.h"
+#include "gfxPangoFonts.h"
+#include "gfxContext.h"
+#include "gfxUserFontSet.h"
+#include "nsUnicharUtils.h"
+#include "nsMathUtils.h"
+#include "nsTArray.h"
+#ifdef MOZ_X11
+#include "gfxXlibSurface.h"
+#include "prenv.h"
+#endif
+#include "qcms.h"
+#include "mozilla/Preferences.h"
+using namespace mozilla;
+using namespace mozilla::unicode;
+using namespace mozilla::gfx;
+gfxFontconfigUtils *gfxQtPlatform::sFontconfigUtils = nullptr;
+#ifdef MOZ_X11
+bool gfxQtPlatform::sUseXRender = true;
+#endif
+static gfxImageFormat sOffscreenFormat = gfxImageFormat::RGB24;
+gfxQtPlatform::gfxQtPlatform()
+{
+#ifdef MOZ_X11
+sUseXRender = mozilla::Preferences::GetBool("gfx.xrender.enabled");
+#endif
+if (!sFontconfigUtils)
+sFontconfigUtils = gfxFontconfigUtils::GetFontconfigUtils();
+mScreenDepth = qApp->primaryScreen()->depth();
+if (mScreenDepth == 16) {
+sOffscreenFormat = gfxImageFormat::RGB16_565;
+}
+uint32_t canvasMask = BackendTypeBit(BackendType::CAIRO) | BackendTypeBit(BackendType::SKIA);
+uint32_t contentMask = BackendTypeBit(BackendType::CAIRO) | BackendTypeBit(BackendType::SKIA);
+InitBackendPrefs(canvasMask, BackendType::CAIRO,
+contentMask, BackendType::CAIRO);
+}
+gfxQtPlatform::~gfxQtPlatform()
+{
+gfxFontconfigUtils::Shutdown();
+sFontconfigUtils = nullptr;
+gfxPangoFontGroup::Shutdown();
+}
+#ifdef MOZ_X11
+Display*
+gfxQtPlatform::GetXDisplay(QWindow* aWindow)
+{
+return (Display*)(qApp->platformNativeInterface()->
+nativeResourceForScreen("display", aWindow ? aWindow->screen() : qApp->primaryScreen()));
+}
+Screen*
+gfxQtPlatform::GetXScreen(QWindow* aWindow)
+{
+return ScreenOfDisplay(GetXDisplay(aWindow),
+(int)(intptr_t)qApp->platformNativeInterface()->
+nativeResourceForScreen("screen", aWindow ? aWindow->screen() : qApp->primaryScreen()));
+}
+#endif
+already_AddRefed<gfxASurface>
+gfxQtPlatform::CreateOffscreenSurface(const IntSize& size,
+gfxContentType contentType)
+{
+gfxImageFormat imageFormat = OptimalFormatForContent(contentType);
+nsRefPtr<gfxASurface> newSurface =
+new gfxImageSurface(gfxIntSize(size.width, size.height), imageFormat);
+return newSurface.forget();
+}
+already_AddRefed<gfxASurface>
+gfxQtPlatform::OptimizeImage(gfxImageSurface *aSurface,
+gfxImageFormat format)
+{
+/* Qt have no special offscreen surfaces so we can avoid a copy */
+if (OptimalFormatForContent(gfxASurface::ContentFromFormat(format)) ==
+format) {
+return nullptr;
+}
+return gfxPlatform::OptimizeImage(aSurface, format);
+}
+nsresult
+gfxQtPlatform::GetFontList(nsIAtom *aLangGroup,
+const nsACString& aGenericFamily,
+nsTArray<nsString>& aListOfFonts)
+{
+return sFontconfigUtils->GetFontList(aLangGroup, aGenericFamily,
+aListOfFonts);
+}
+nsresult
+gfxQtPlatform::UpdateFontList()
+{
+return sFontconfigUtils->UpdateFontList();
+}
+nsresult
+gfxQtPlatform::ResolveFontName(const nsAString& aFontName,
+FontResolverCallback aCallback,
+void *aClosure,
+bool& aAborted)
+{
+return sFontconfigUtils->ResolveFontName(aFontName, aCallback,
+aClosure, aAborted);
+}
+nsresult
+gfxQtPlatform::GetStandardFamilyName(const nsAString& aFontName, nsAString& aFamilyName)
+{
+return sFontconfigUtils->GetStandardFamilyName(aFontName, aFamilyName);
+}
+gfxFontGroup *
+gfxQtPlatform::CreateFontGroup(const nsAString &aFamilies,
+const gfxFontStyle *aStyle,
+gfxUserFontSet* aUserFontSet)
+{
+return new gfxPangoFontGroup(aFamilies, aStyle, aUserFontSet);
+}
+gfxFontEntry*
+gfxQtPlatform::LookupLocalFont(const gfxProxyFontEntry *aProxyEntry,
+const nsAString& aFontName)
+{
+return gfxPangoFontGroup::NewFontEntry(*aProxyEntry, aFontName);
+}
+gfxFontEntry*
+gfxQtPlatform::MakePlatformFont(const gfxProxyFontEntry *aProxyEntry,
+const uint8_t *aFontData, uint32_t aLength)
+{
+// passing ownership of the font data to the new font entry
+return gfxPangoFontGroup::NewFontEntry(*aProxyEntry,
+aFontData, aLength);
+}
+bool
+gfxQtPlatform::SupportsOffMainThreadCompositing()
+{
+#if defined(MOZ_X11) && !defined(NIGHTLY_BUILD)
+return (PR_GetEnv("MOZ_USE_OMTC") != nullptr) ||
+(PR_GetEnv("MOZ_OMTC_ENABLED") != nullptr);
+#else
+return true;
+#endif
+}
+bool
+gfxQtPlatform::IsFontFormatSupported(nsIURI *aFontURI, uint32_t aFormatFlags)
+{
+// check for strange format flags
+NS_ASSERTION(!(aFormatFlags & gfxUserFontSet::FLAG_FORMAT_NOT_USED),
+"strange font format hint set");
+// accept supported formats
+// Pango doesn't apply features from AAT TrueType extensions.
+// Assume that if this is the only SFNT format specified,
+// then AAT extensions are required for complex script support.
+if (aFormatFlags & (gfxUserFontSet::FLAG_FORMAT_WOFF     |
+gfxUserFontSet::FLAG_FORMAT_OPENTYPE |
+gfxUserFontSet::FLAG_FORMAT_TRUETYPE)) {
+return true;
+}
+// reject all other formats, known and unknown
+if (aFormatFlags != 0) {
+return false;
+}
+// no format hint set, need to look at data
+return true;
+}
+void
+gfxQtPlatform::GetPlatformCMSOutputProfile(void *&mem, size_t &size)
+{
+mem = nullptr;
+size = 0;
+}
+int32_t
+gfxQtPlatform::GetDPI()
+{
+return qApp->primaryScreen()->logicalDotsPerInch();
+}
+gfxImageFormat
+gfxQtPlatform::GetOffscreenFormat()
+{
+return sOffscreenFormat;
+}
+int
+gfxQtPlatform::GetScreenDepth() const
+{
+return mScreenDepth;
+}
+TemporaryRef<ScaledFont>
+gfxQtPlatform::GetScaledFontForFont(DrawTarget* aTarget, gfxFont* aFont)
+{
+return GetScaledFontForFontWithCairoSkia(aTarget, aFont);
+}

The Tor Browser / file comparison

comparison: gfx/thebes/gfxQtPlatform.cpp

gfx/thebes/gfxQtPlatform.cpp