зеркало из https://github.com/mozilla/pjs.git
519 строки
16 KiB
C++
519 строки
16 KiB
C++
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is thebes gfx code.
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*
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* The Initial Developer of the Original Code is Mozilla Foundation.
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* Portions created by the Initial Developer are Copyright (C) 2006
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Vladimir Vukicevic <vladimir@pobox.com>
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* Masayuki Nakano <masayuki@d-toybox.com>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#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 "nsCRT.h"
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#include "nsTArray.h"
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#include "nsUnicodeRange.h"
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#include "mozilla/Preferences.h"
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#include "qcms.h"
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#include <dlfcn.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 = NULL;
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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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mOSXVersion = 0;
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OSXVersion();
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if (mOSXVersion >= MAC_OS_X_VERSION_10_6_HEX) {
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DisableFontActivation();
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}
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mFontAntiAliasingThreshold = ReadAntiAliasingThreshold();
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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 nsnull;
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}
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already_AddRefed<gfxASurface>
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gfxPlatformMac::CreateOffscreenSurface(const gfxIntSize& size,
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gfxASurface::gfxContentType contentType)
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{
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gfxASurface *newSurface = nsnull;
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newSurface = new gfxQuartzSurface(size, gfxASurface::FormatFromContent(contentType));
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NS_IF_ADDREF(newSurface);
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return newSurface;
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}
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already_AddRefed<gfxASurface>
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gfxPlatformMac::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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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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NS_ADDREF(aSurface);
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return aSurface;
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}
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}
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nsRefPtr<gfxASurface> ret = new gfxQuartzImageSurface(isurf);
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return ret.forget();
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}
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RefPtr<ScaledFont>
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gfxPlatformMac::GetScaledFontForFont(gfxFont *aFont)
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{
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gfxMacFont *font = static_cast<gfxMacFont*>(aFont);
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return font->GetScaledFont();
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}
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bool
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gfxPlatformMac::SupportsAzure(BackendType& aBackend)
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{
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if (mPreferredDrawTargetBackend != BACKEND_NONE) {
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aBackend = mPreferredDrawTargetBackend;
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} else {
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aBackend = BACKEND_COREGRAPHICS;
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}
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return true;
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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 PRUint8 *aFontData, PRUint32 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, PRUint32 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 kFontAppleMyungjo[] = "AppleMyungjo";
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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 PRUint32 aCh,
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PRInt32 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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PRUint32 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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PRUint32 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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PRInt32
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gfxPlatformMac::OSXVersion()
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{
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if (!mOSXVersion) {
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// minor version is not accurate, use gestaltSystemVersionMajor, gestaltSystemVersionMinor, gestaltSystemVersionBugFix for these
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OSErr err = ::Gestalt(gestaltSystemVersion, reinterpret_cast<SInt32*>(&mOSXVersion));
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if (err != noErr) {
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//This should probably be changed when our minimum version changes
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NS_ERROR("Couldn't determine OS X version, assuming 10.4");
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mOSXVersion = MAC_OS_X_VERSION_10_4_HEX;
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}
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}
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return mOSXVersion;
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}
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PRUint32
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gfxPlatformMac::ReadAntiAliasingThreshold()
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{
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PRUint32 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::GetThebesSurfaceForDrawTarget(DrawTarget *aTarget)
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{
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if (aTarget->GetType() == BACKEND_COREGRAPHICS) {
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void *surface = aTarget->GetUserData(&kThebesSurfaceKey);
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if (surface) {
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nsRefPtr<gfxASurface> surf = static_cast<gfxQuartzSurface*>(surface);
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return surf.forget();
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} else {
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CGContextRef cg = static_cast<CGContextRef>(aTarget->GetNativeSurface(NATIVE_SURFACE_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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// add a reference to be held by the drawTarget
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surf->AddRef();
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aTarget->AddUserData(&kThebesSurfaceKey, surf.get(), DestroyThebesSurface);
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return surf.forget();
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}
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}
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return gfxPlatform::GetThebesSurfaceForDrawTarget(aTarget);
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}
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qcms_profile *
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gfxPlatformMac::GetPlatformCMSOutputProfile()
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{
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qcms_profile *profile = nsnull;
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CMProfileRef cmProfile;
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CMProfileLocation *location;
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UInt32 locationSize;
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/* There a number of different ways that we could try to get a color
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profile to use. On 10.5 all of these methods seem to give the same
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results. On 10.6, the results are different and the following method,
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using CGMainDisplayID() seems to best match what we are looking for.
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Currently, both Google Chrome and Qt4 use a similar method.
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CMTypes.h describes CMDisplayIDType:
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"Data type for ColorSync DisplayID reference
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On 8 & 9 this is a AVIDType
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On X this is a CGSDisplayID"
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CGMainDisplayID gives us a CGDirectDisplayID which presumeably
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corresponds directly to a CGSDisplayID */
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CGDirectDisplayID displayID = CGMainDisplayID();
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CMError err = CMGetProfileByAVID(static_cast<CMDisplayIDType>(displayID), &cmProfile);
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if (err != noErr)
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return nsnull;
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// get the size of location
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err = NCMGetProfileLocation(cmProfile, NULL, &locationSize);
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if (err != noErr)
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return nsnull;
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// allocate enough room for location
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location = static_cast<CMProfileLocation*>(malloc(locationSize));
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if (!location)
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goto fail_close;
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err = NCMGetProfileLocation(cmProfile, location, &locationSize);
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if (err != noErr)
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goto fail_location;
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switch (location->locType) {
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#ifndef __LP64__
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case cmFileBasedProfile: {
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FSRef fsRef;
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if (!FSpMakeFSRef(&location->u.fileLoc.spec, &fsRef)) {
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char path[512];
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if (!FSRefMakePath(&fsRef, reinterpret_cast<UInt8*>(path), sizeof(path))) {
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profile = qcms_profile_from_path(path);
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#ifdef DEBUG_tor
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if (profile)
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fprintf(stderr,
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"ICM profile read from %s fileLoc successfully\n", path);
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#endif
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}
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}
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break;
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}
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#endif
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case cmPathBasedProfile:
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profile = qcms_profile_from_path(location->u.pathLoc.path);
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#ifdef DEBUG_tor
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if (profile)
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fprintf(stderr,
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"ICM profile read from %s pathLoc successfully\n",
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device.u.pathLoc.path);
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#endif
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break;
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default:
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#ifdef DEBUG_tor
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fprintf(stderr, "Unhandled ColorSync profile location\n");
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#endif
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break;
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}
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fail_location:
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free(location);
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fail_close:
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CMCloseProfile(cmProfile);
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return profile;
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}
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