зеркало из https://github.com/mozilla/gecko-dev.git
465 строки
15 KiB
C++
465 строки
15 KiB
C++
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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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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#include "gfxPlatformMac.h"
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#include "gfxImageSurface.h"
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#include "gfxQuartzSurface.h"
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#include "gfxQuartzImageSurface.h"
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#include "mozilla/gfx/2D.h"
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#include "gfxMacPlatformFontList.h"
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#include "gfxMacFont.h"
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#include "gfxCoreTextShaper.h"
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#include "gfxUserFontSet.h"
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#include "nsTArray.h"
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#include "mozilla/Preferences.h"
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#include "qcms.h"
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#include "gfx2DGlue.h"
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#include <dlfcn.h>
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#include "nsCocoaFeatures.h"
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using namespace mozilla;
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using namespace mozilla::gfx;
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// cribbed from CTFontManager.h
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enum {
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kAutoActivationDisabled = 1
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};
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typedef uint32_t AutoActivationSetting;
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// bug 567552 - disable auto-activation of fonts
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static void
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DisableFontActivation()
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{
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// get the main bundle identifier
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CFBundleRef mainBundle = ::CFBundleGetMainBundle();
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CFStringRef mainBundleID = nullptr;
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if (mainBundle) {
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mainBundleID = ::CFBundleGetIdentifier(mainBundle);
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}
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// if possible, fetch CTFontManagerSetAutoActivationSetting
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void (*CTFontManagerSetAutoActivationSettingPtr)
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(CFStringRef, AutoActivationSetting);
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CTFontManagerSetAutoActivationSettingPtr =
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(void (*)(CFStringRef, AutoActivationSetting))
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dlsym(RTLD_DEFAULT, "CTFontManagerSetAutoActivationSetting");
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// bug 567552 - disable auto-activation of fonts
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if (CTFontManagerSetAutoActivationSettingPtr) {
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CTFontManagerSetAutoActivationSettingPtr(mainBundleID,
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kAutoActivationDisabled);
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}
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}
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gfxPlatformMac::gfxPlatformMac()
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{
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DisableFontActivation();
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mFontAntiAliasingThreshold = ReadAntiAliasingThreshold();
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uint32_t canvasMask = BackendTypeBit(BackendType::CAIRO) |
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BackendTypeBit(BackendType::SKIA) |
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BackendTypeBit(BackendType::COREGRAPHICS);
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uint32_t contentMask = BackendTypeBit(BackendType::COREGRAPHICS);
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InitBackendPrefs(canvasMask, BackendType::COREGRAPHICS,
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contentMask, BackendType::COREGRAPHICS);
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}
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gfxPlatformMac::~gfxPlatformMac()
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{
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gfxCoreTextShaper::Shutdown();
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}
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gfxPlatformFontList*
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gfxPlatformMac::CreatePlatformFontList()
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{
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gfxPlatformFontList* list = new gfxMacPlatformFontList();
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if (NS_SUCCEEDED(list->InitFontList())) {
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return list;
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}
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gfxPlatformFontList::Shutdown();
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return nullptr;
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}
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already_AddRefed<gfxASurface>
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gfxPlatformMac::CreateOffscreenSurface(const IntSize& size,
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gfxContentType contentType)
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{
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nsRefPtr<gfxASurface> newSurface =
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new gfxQuartzSurface(ThebesIntSize(size),
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OptimalFormatForContent(contentType));
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return newSurface.forget();
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}
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already_AddRefed<gfxASurface>
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gfxPlatformMac::CreateOffscreenImageSurface(const gfxIntSize& aSize,
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gfxContentType aContentType)
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{
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nsRefPtr<gfxASurface> surface =
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CreateOffscreenSurface(aSize.ToIntSize(), aContentType);
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#ifdef DEBUG
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nsRefPtr<gfxImageSurface> imageSurface = surface->GetAsImageSurface();
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NS_ASSERTION(imageSurface, "Surface cannot be converted to a gfxImageSurface");
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#endif
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return surface.forget();
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}
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already_AddRefed<gfxASurface>
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gfxPlatformMac::OptimizeImage(gfxImageSurface *aSurface,
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gfxImageFormat format)
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{
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const gfxIntSize& surfaceSize = aSurface->GetSize();
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nsRefPtr<gfxImageSurface> isurf = aSurface;
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if (format != aSurface->Format()) {
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isurf = new gfxImageSurface (surfaceSize, format);
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if (!isurf->CopyFrom (aSurface)) {
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// don't even bother doing anything more
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nsRefPtr<gfxASurface> ret = aSurface;
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return ret.forget();
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}
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}
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return nullptr;
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}
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TemporaryRef<ScaledFont>
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gfxPlatformMac::GetScaledFontForFont(DrawTarget* aTarget, gfxFont *aFont)
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{
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gfxMacFont *font = static_cast<gfxMacFont*>(aFont);
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return font->GetScaledFont(aTarget);
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}
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nsresult
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gfxPlatformMac::ResolveFontName(const nsAString& aFontName,
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FontResolverCallback aCallback,
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void *aClosure, bool& aAborted)
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{
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nsAutoString resolvedName;
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if (!gfxPlatformFontList::PlatformFontList()->
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ResolveFontName(aFontName, resolvedName)) {
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aAborted = false;
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return NS_OK;
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}
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aAborted = !(*aCallback)(resolvedName, aClosure);
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return NS_OK;
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}
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nsresult
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gfxPlatformMac::GetStandardFamilyName(const nsAString& aFontName, nsAString& aFamilyName)
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{
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gfxPlatformFontList::PlatformFontList()->GetStandardFamilyName(aFontName, aFamilyName);
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return NS_OK;
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}
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gfxFontGroup *
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gfxPlatformMac::CreateFontGroup(const nsAString &aFamilies,
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const gfxFontStyle *aStyle,
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gfxUserFontSet *aUserFontSet)
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{
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return new gfxFontGroup(aFamilies, aStyle, aUserFontSet);
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}
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// these will move to gfxPlatform once all platforms support the fontlist
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gfxFontEntry*
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gfxPlatformMac::LookupLocalFont(const gfxProxyFontEntry *aProxyEntry,
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const nsAString& aFontName)
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{
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return gfxPlatformFontList::PlatformFontList()->LookupLocalFont(aProxyEntry,
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aFontName);
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}
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gfxFontEntry*
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gfxPlatformMac::MakePlatformFont(const gfxProxyFontEntry *aProxyEntry,
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const uint8_t *aFontData, uint32_t aLength)
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{
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// Ownership of aFontData is received here, and passed on to
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// gfxPlatformFontList::MakePlatformFont(), which must ensure the data
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// is released with NS_Free when no longer needed
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return gfxPlatformFontList::PlatformFontList()->MakePlatformFont(aProxyEntry,
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aFontData,
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aLength);
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}
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bool
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gfxPlatformMac::IsFontFormatSupported(nsIURI *aFontURI, uint32_t aFormatFlags)
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{
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// check for strange format flags
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NS_ASSERTION(!(aFormatFlags & gfxUserFontSet::FLAG_FORMAT_NOT_USED),
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"strange font format hint set");
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// accept supported formats
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if (aFormatFlags & (gfxUserFontSet::FLAG_FORMAT_WOFF |
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gfxUserFontSet::FLAG_FORMAT_OPENTYPE |
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gfxUserFontSet::FLAG_FORMAT_TRUETYPE |
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gfxUserFontSet::FLAG_FORMAT_TRUETYPE_AAT)) {
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return true;
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}
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// reject all other formats, known and unknown
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if (aFormatFlags != 0) {
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return false;
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}
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// no format hint set, need to look at data
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return true;
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}
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// these will also move to gfxPlatform once all platforms support the fontlist
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nsresult
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gfxPlatformMac::GetFontList(nsIAtom *aLangGroup,
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const nsACString& aGenericFamily,
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nsTArray<nsString>& aListOfFonts)
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{
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gfxPlatformFontList::PlatformFontList()->GetFontList(aLangGroup, aGenericFamily, aListOfFonts);
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return NS_OK;
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}
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nsresult
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gfxPlatformMac::UpdateFontList()
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{
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gfxPlatformFontList::PlatformFontList()->UpdateFontList();
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return NS_OK;
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}
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static const char kFontArialUnicodeMS[] = "Arial Unicode MS";
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static const char kFontAppleBraille[] = "Apple Braille";
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static const char kFontAppleSymbols[] = "Apple Symbols";
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static const char kFontGeneva[] = "Geneva";
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static const char kFontGeezaPro[] = "Geeza Pro";
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static const char kFontHiraginoKakuGothic[] = "Hiragino Kaku Gothic ProN";
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static const char kFontLucidaGrande[] = "Lucida Grande";
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static const char kFontMenlo[] = "Menlo";
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static const char kFontPlantagenetCherokee[] = "Plantagenet Cherokee";
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static const char kFontSTHeiti[] = "STHeiti";
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void
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gfxPlatformMac::GetCommonFallbackFonts(const uint32_t aCh,
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int32_t aRunScript,
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nsTArray<const char*>& aFontList)
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{
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aFontList.AppendElement(kFontLucidaGrande);
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if (!IS_IN_BMP(aCh)) {
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uint32_t p = aCh >> 16;
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if (p == 1) {
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aFontList.AppendElement(kFontAppleSymbols);
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aFontList.AppendElement(kFontGeneva);
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}
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} else {
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uint32_t b = (aCh >> 8) & 0xff;
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switch (b) {
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case 0x03:
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case 0x05:
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aFontList.AppendElement(kFontGeneva);
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break;
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case 0x07:
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aFontList.AppendElement(kFontGeezaPro);
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break;
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case 0x10:
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aFontList.AppendElement(kFontMenlo);
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break;
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case 0x13: // Cherokee
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aFontList.AppendElement(kFontPlantagenetCherokee);
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break;
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case 0x18: // Mongolian
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aFontList.AppendElement(kFontSTHeiti);
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break;
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case 0x1d:
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case 0x1e:
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aFontList.AppendElement(kFontGeneva);
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break;
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case 0x20: // Symbol ranges
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case 0x21:
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case 0x22:
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case 0x23:
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case 0x24:
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case 0x25:
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case 0x26:
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case 0x27:
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case 0x29:
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case 0x2a:
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case 0x2b:
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case 0x2e:
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aFontList.AppendElement(kFontAppleSymbols);
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aFontList.AppendElement(kFontMenlo);
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aFontList.AppendElement(kFontGeneva);
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aFontList.AppendElement(kFontHiraginoKakuGothic);
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break;
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case 0x2c:
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case 0x2d:
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aFontList.AppendElement(kFontGeneva);
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break;
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case 0x28: // Braille
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aFontList.AppendElement(kFontAppleBraille);
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break;
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case 0x4d:
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aFontList.AppendElement(kFontAppleSymbols);
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break;
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case 0xa0: // Yi
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case 0xa1:
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case 0xa2:
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case 0xa3:
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case 0xa4:
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aFontList.AppendElement(kFontSTHeiti);
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break;
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case 0xa6:
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case 0xa7:
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aFontList.AppendElement(kFontGeneva);
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aFontList.AppendElement(kFontAppleSymbols);
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break;
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case 0xfc:
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case 0xff:
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aFontList.AppendElement(kFontAppleSymbols);
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break;
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default:
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break;
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}
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}
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// Arial Unicode MS has lots of glyphs for obscure, use it as a last resort
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aFontList.AppendElement(kFontArialUnicodeMS);
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}
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int32_t
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gfxPlatformMac::OSXVersion()
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{
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return nsCocoaFeatures::OSXVersion();
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}
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uint32_t
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gfxPlatformMac::ReadAntiAliasingThreshold()
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{
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uint32_t threshold = 0; // default == no threshold
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// first read prefs flag to determine whether to use the setting or not
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bool useAntiAliasingThreshold = Preferences::GetBool("gfx.use_text_smoothing_setting", false);
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// if the pref setting is disabled, return 0 which effectively disables this feature
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if (!useAntiAliasingThreshold)
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return threshold;
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// value set via Appearance pref panel, "Turn off text smoothing for font sizes xxx and smaller"
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CFNumberRef prefValue = (CFNumberRef)CFPreferencesCopyAppValue(CFSTR("AppleAntiAliasingThreshold"), kCFPreferencesCurrentApplication);
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if (prefValue) {
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if (!CFNumberGetValue(prefValue, kCFNumberIntType, &threshold)) {
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threshold = 0;
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}
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CFRelease(prefValue);
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}
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return threshold;
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}
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already_AddRefed<gfxASurface>
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gfxPlatformMac::CreateThebesSurfaceAliasForDrawTarget_hack(mozilla::gfx::DrawTarget *aTarget)
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{
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if (aTarget->GetType() == BackendType::COREGRAPHICS) {
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CGContextRef cg = static_cast<CGContextRef>(aTarget->GetNativeSurface(NativeSurfaceType::CGCONTEXT));
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unsigned char* data = (unsigned char*)CGBitmapContextGetData(cg);
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size_t bpp = CGBitmapContextGetBitsPerPixel(cg);
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size_t stride = CGBitmapContextGetBytesPerRow(cg);
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gfxIntSize size(aTarget->GetSize().width, aTarget->GetSize().height);
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nsRefPtr<gfxImageSurface> imageSurface = new gfxImageSurface(data, size, stride, bpp == 2
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? gfxImageFormat::RGB16_565
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: gfxImageFormat::ARGB32);
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// Here we should return a gfxQuartzImageSurface but quartz will assumes that image surfaces
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// don't change which wont create a proper alias to the draw target, therefore we have to
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// return a plain image surface.
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return imageSurface.forget();
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} else {
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return GetThebesSurfaceForDrawTarget(aTarget);
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}
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}
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already_AddRefed<gfxASurface>
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gfxPlatformMac::GetThebesSurfaceForDrawTarget(DrawTarget *aTarget)
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{
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if (aTarget->GetType() == BackendType::COREGRAPHICS_ACCELERATED) {
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RefPtr<SourceSurface> source = aTarget->Snapshot();
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RefPtr<DataSourceSurface> sourceData = source->GetDataSurface();
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unsigned char* data = sourceData->GetData();
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nsRefPtr<gfxImageSurface> surf = new gfxImageSurface(data, ThebesIntSize(sourceData->GetSize()), sourceData->Stride(),
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gfxImageFormat::ARGB32);
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// We could fix this by telling gfxImageSurface it owns data.
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nsRefPtr<gfxImageSurface> cpy = new gfxImageSurface(ThebesIntSize(sourceData->GetSize()), gfxImageFormat::ARGB32);
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cpy->CopyFrom(surf);
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return cpy.forget();
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} else if (aTarget->GetType() == BackendType::COREGRAPHICS) {
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CGContextRef cg = static_cast<CGContextRef>(aTarget->GetNativeSurface(NativeSurfaceType::CGCONTEXT));
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//XXX: it would be nice to have an implicit conversion from IntSize to gfxIntSize
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IntSize intSize = aTarget->GetSize();
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gfxIntSize size(intSize.width, intSize.height);
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nsRefPtr<gfxASurface> surf =
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new gfxQuartzSurface(cg, size);
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return surf.forget();
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}
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return gfxPlatform::GetThebesSurfaceForDrawTarget(aTarget);
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}
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bool
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gfxPlatformMac::UseAcceleratedCanvas()
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{
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// Lion or later is required
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return OSXVersion() >= 0x1070 && Preferences::GetBool("gfx.canvas.azure.accelerated", false);
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}
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bool
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gfxPlatformMac::SupportsOffMainThreadCompositing()
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{
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return true;
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}
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void
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gfxPlatformMac::GetPlatformCMSOutputProfile(void* &mem, size_t &size)
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{
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mem = nullptr;
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size = 0;
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CGColorSpaceRef cspace = ::CGDisplayCopyColorSpace(::CGMainDisplayID());
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if (!cspace) {
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cspace = ::CGColorSpaceCreateDeviceRGB();
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}
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if (!cspace) {
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return;
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}
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CFDataRef iccp = ::CGColorSpaceCopyICCProfile(cspace);
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::CFRelease(cspace);
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if (!iccp) {
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return;
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}
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// copy to external buffer
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size = static_cast<size_t>(::CFDataGetLength(iccp));
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if (size > 0) {
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void *data = malloc(size);
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if (data) {
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memcpy(data, ::CFDataGetBytePtr(iccp), size);
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mem = data;
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} else {
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size = 0;
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}
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}
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::CFRelease(iccp);
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}
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