gecko-dev/gfx/thebes/gfxPlatformMac.cpp

497 строки
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C++

/* -*- 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 "gfxPlatformMac.h"
#include "gfxImageSurface.h"
#include "gfxQuartzSurface.h"
#include "gfxQuartzImageSurface.h"
#include "mozilla/gfx/2D.h"
#include "gfxMacPlatformFontList.h"
#include "gfxMacFont.h"
#include "gfxCoreTextShaper.h"
#include "gfxUserFontSet.h"
#include "nsCRT.h"
#include "nsTArray.h"
#include "nsUnicodeRange.h"
#include "mozilla/Preferences.h"
#include "qcms.h"
#include <dlfcn.h>
using namespace mozilla;
using namespace mozilla::gfx;
// cribbed from CTFontManager.h
enum {
kAutoActivationDisabled = 1
};
typedef uint32_t AutoActivationSetting;
// bug 567552 - disable auto-activation of fonts
static void
DisableFontActivation()
{
// get the main bundle identifier
CFBundleRef mainBundle = ::CFBundleGetMainBundle();
CFStringRef mainBundleID = NULL;
if (mainBundle) {
mainBundleID = ::CFBundleGetIdentifier(mainBundle);
}
// if possible, fetch CTFontManagerSetAutoActivationSetting
void (*CTFontManagerSetAutoActivationSettingPtr)
(CFStringRef, AutoActivationSetting);
CTFontManagerSetAutoActivationSettingPtr =
(void (*)(CFStringRef, AutoActivationSetting))
dlsym(RTLD_DEFAULT, "CTFontManagerSetAutoActivationSetting");
// bug 567552 - disable auto-activation of fonts
if (CTFontManagerSetAutoActivationSettingPtr) {
CTFontManagerSetAutoActivationSettingPtr(mainBundleID,
kAutoActivationDisabled);
}
}
gfxPlatformMac::gfxPlatformMac()
{
mOSXVersion = 0;
OSXVersion();
if (mOSXVersion >= MAC_OS_X_VERSION_10_6_HEX) {
DisableFontActivation();
}
mFontAntiAliasingThreshold = ReadAntiAliasingThreshold();
uint32_t canvasMask = (1 << BACKEND_CAIRO) | (1 << BACKEND_SKIA) | (1 << BACKEND_COREGRAPHICS);
uint32_t contentMask = 0;
InitBackendPrefs(canvasMask, contentMask);
}
gfxPlatformMac::~gfxPlatformMac()
{
gfxCoreTextShaper::Shutdown();
}
gfxPlatformFontList*
gfxPlatformMac::CreatePlatformFontList()
{
gfxPlatformFontList* list = new gfxMacPlatformFontList();
if (NS_SUCCEEDED(list->InitFontList())) {
return list;
}
gfxPlatformFontList::Shutdown();
return nullptr;
}
already_AddRefed<gfxASurface>
gfxPlatformMac::CreateOffscreenSurface(const gfxIntSize& size,
gfxASurface::gfxContentType contentType)
{
gfxASurface *newSurface = nullptr;
newSurface = new gfxQuartzSurface(size, OptimalFormatForContent(contentType));
NS_IF_ADDREF(newSurface);
return newSurface;
}
already_AddRefed<gfxASurface>
gfxPlatformMac::CreateOffscreenImageSurface(const gfxIntSize& aSize,
gfxASurface::gfxContentType aContentType)
{
nsRefPtr<gfxASurface> surface = CreateOffscreenSurface(aSize, aContentType);
#ifdef DEBUG
nsRefPtr<gfxImageSurface> imageSurface = surface->GetAsImageSurface();
NS_ASSERTION(imageSurface, "Surface cannot be converted to a gfxImageSurface");
#endif
return surface.forget();
}
already_AddRefed<gfxASurface>
gfxPlatformMac::OptimizeImage(gfxImageSurface *aSurface,
gfxASurface::gfxImageFormat format)
{
const gfxIntSize& surfaceSize = aSurface->GetSize();
nsRefPtr<gfxImageSurface> isurf = aSurface;
if (format != aSurface->Format()) {
isurf = new gfxImageSurface (surfaceSize, format);
if (!isurf->CopyFrom (aSurface)) {
// don't even bother doing anything more
NS_ADDREF(aSurface);
return aSurface;
}
}
nsRefPtr<gfxASurface> ret = new gfxQuartzImageSurface(isurf);
return ret.forget();
}
RefPtr<ScaledFont>
gfxPlatformMac::GetScaledFontForFont(DrawTarget* aTarget, gfxFont *aFont)
{
gfxMacFont *font = static_cast<gfxMacFont*>(aFont);
return font->GetScaledFont();
}
nsresult
gfxPlatformMac::ResolveFontName(const nsAString& aFontName,
FontResolverCallback aCallback,
void *aClosure, bool& aAborted)
{
nsAutoString resolvedName;
if (!gfxPlatformFontList::PlatformFontList()->
ResolveFontName(aFontName, resolvedName)) {
aAborted = false;
return NS_OK;
}
aAborted = !(*aCallback)(resolvedName, aClosure);
return NS_OK;
}
nsresult
gfxPlatformMac::GetStandardFamilyName(const nsAString& aFontName, nsAString& aFamilyName)
{
gfxPlatformFontList::PlatformFontList()->GetStandardFamilyName(aFontName, aFamilyName);
return NS_OK;
}
gfxFontGroup *
gfxPlatformMac::CreateFontGroup(const nsAString &aFamilies,
const gfxFontStyle *aStyle,
gfxUserFontSet *aUserFontSet)
{
return new gfxFontGroup(aFamilies, aStyle, aUserFontSet);
}
// these will move to gfxPlatform once all platforms support the fontlist
gfxFontEntry*
gfxPlatformMac::LookupLocalFont(const gfxProxyFontEntry *aProxyEntry,
const nsAString& aFontName)
{
return gfxPlatformFontList::PlatformFontList()->LookupLocalFont(aProxyEntry,
aFontName);
}
gfxFontEntry*
gfxPlatformMac::MakePlatformFont(const gfxProxyFontEntry *aProxyEntry,
const uint8_t *aFontData, uint32_t aLength)
{
// Ownership of aFontData is received here, and passed on to
// gfxPlatformFontList::MakePlatformFont(), which must ensure the data
// is released with NS_Free when no longer needed
return gfxPlatformFontList::PlatformFontList()->MakePlatformFont(aProxyEntry,
aFontData,
aLength);
}
bool
gfxPlatformMac::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
if (aFormatFlags & (gfxUserFontSet::FLAG_FORMAT_WOFF |
gfxUserFontSet::FLAG_FORMAT_OPENTYPE |
gfxUserFontSet::FLAG_FORMAT_TRUETYPE |
gfxUserFontSet::FLAG_FORMAT_TRUETYPE_AAT)) {
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;
}
// these will also move to gfxPlatform once all platforms support the fontlist
nsresult
gfxPlatformMac::GetFontList(nsIAtom *aLangGroup,
const nsACString& aGenericFamily,
nsTArray<nsString>& aListOfFonts)
{
gfxPlatformFontList::PlatformFontList()->GetFontList(aLangGroup, aGenericFamily, aListOfFonts);
return NS_OK;
}
nsresult
gfxPlatformMac::UpdateFontList()
{
gfxPlatformFontList::PlatformFontList()->UpdateFontList();
return NS_OK;
}
static const char kFontArialUnicodeMS[] = "Arial Unicode MS";
static const char kFontAppleBraille[] = "Apple Braille";
static const char kFontAppleSymbols[] = "Apple Symbols";
static const char kFontAppleMyungjo[] = "AppleMyungjo";
static const char kFontGeneva[] = "Geneva";
static const char kFontGeezaPro[] = "Geeza Pro";
static const char kFontHiraginoKakuGothic[] = "Hiragino Kaku Gothic ProN";
static const char kFontLucidaGrande[] = "Lucida Grande";
static const char kFontMenlo[] = "Menlo";
static const char kFontPlantagenetCherokee[] = "Plantagenet Cherokee";
static const char kFontSTHeiti[] = "STHeiti";
void
gfxPlatformMac::GetCommonFallbackFonts(const uint32_t aCh,
int32_t aRunScript,
nsTArray<const char*>& aFontList)
{
aFontList.AppendElement(kFontLucidaGrande);
if (!IS_IN_BMP(aCh)) {
uint32_t p = aCh >> 16;
if (p == 1) {
aFontList.AppendElement(kFontAppleSymbols);
aFontList.AppendElement(kFontGeneva);
}
} else {
uint32_t b = (aCh >> 8) & 0xff;
switch (b) {
case 0x03:
case 0x05:
aFontList.AppendElement(kFontGeneva);
break;
case 0x07:
aFontList.AppendElement(kFontGeezaPro);
break;
case 0x10:
aFontList.AppendElement(kFontMenlo);
break;
case 0x13: // Cherokee
aFontList.AppendElement(kFontPlantagenetCherokee);
break;
case 0x18: // Mongolian
aFontList.AppendElement(kFontSTHeiti);
break;
case 0x1d:
case 0x1e:
aFontList.AppendElement(kFontGeneva);
break;
case 0x20: // Symbol ranges
case 0x21:
case 0x22:
case 0x23:
case 0x24:
case 0x25:
case 0x26:
case 0x27:
case 0x29:
case 0x2a:
case 0x2b:
case 0x2e:
aFontList.AppendElement(kFontAppleSymbols);
aFontList.AppendElement(kFontMenlo);
aFontList.AppendElement(kFontGeneva);
aFontList.AppendElement(kFontHiraginoKakuGothic);
break;
case 0x2c:
case 0x2d:
aFontList.AppendElement(kFontGeneva);
break;
case 0x28: // Braille
aFontList.AppendElement(kFontAppleBraille);
break;
case 0x4d:
aFontList.AppendElement(kFontAppleSymbols);
break;
case 0xa0: // Yi
case 0xa1:
case 0xa2:
case 0xa3:
case 0xa4:
aFontList.AppendElement(kFontSTHeiti);
break;
case 0xa6:
case 0xa7:
aFontList.AppendElement(kFontGeneva);
aFontList.AppendElement(kFontAppleSymbols);
break;
case 0xfc:
case 0xff:
aFontList.AppendElement(kFontAppleSymbols);
break;
default:
break;
}
}
// Arial Unicode MS has lots of glyphs for obscure, use it as a last resort
aFontList.AppendElement(kFontArialUnicodeMS);
}
int32_t
gfxPlatformMac::OSXVersion()
{
if (!mOSXVersion) {
// minor version is not accurate, use gestaltSystemVersionMajor, gestaltSystemVersionMinor, gestaltSystemVersionBugFix for these
OSErr err = ::Gestalt(gestaltSystemVersion, reinterpret_cast<SInt32*>(&mOSXVersion));
if (err != noErr) {
//This should probably be changed when our minimum version changes
NS_ERROR("Couldn't determine OS X version, assuming 10.4");
mOSXVersion = MAC_OS_X_VERSION_10_4_HEX;
}
}
return mOSXVersion;
}
uint32_t
gfxPlatformMac::ReadAntiAliasingThreshold()
{
uint32_t threshold = 0; // default == no threshold
// first read prefs flag to determine whether to use the setting or not
bool useAntiAliasingThreshold = Preferences::GetBool("gfx.use_text_smoothing_setting", false);
// if the pref setting is disabled, return 0 which effectively disables this feature
if (!useAntiAliasingThreshold)
return threshold;
// value set via Appearance pref panel, "Turn off text smoothing for font sizes xxx and smaller"
CFNumberRef prefValue = (CFNumberRef)CFPreferencesCopyAppValue(CFSTR("AppleAntiAliasingThreshold"), kCFPreferencesCurrentApplication);
if (prefValue) {
if (!CFNumberGetValue(prefValue, kCFNumberIntType, &threshold)) {
threshold = 0;
}
CFRelease(prefValue);
}
return threshold;
}
already_AddRefed<gfxASurface>
gfxPlatformMac::GetThebesSurfaceForDrawTarget(DrawTarget *aTarget)
{
if (aTarget->GetType() == BACKEND_COREGRAPHICS_ACCELERATED) {
RefPtr<SourceSurface> source = aTarget->Snapshot();
RefPtr<DataSourceSurface> sourceData = source->GetDataSurface();
unsigned char* data = sourceData->GetData();
nsRefPtr<gfxImageSurface> surf = new gfxImageSurface(data, ThebesIntSize(sourceData->GetSize()), sourceData->Stride(),
gfxImageSurface::ImageFormatARGB32);
// We could fix this by telling gfxImageSurface it owns data.
nsRefPtr<gfxImageSurface> cpy = new gfxImageSurface(ThebesIntSize(sourceData->GetSize()), gfxImageSurface::ImageFormatARGB32);
cpy->CopyFrom(surf);
return cpy.forget();
} else if (aTarget->GetType() == BACKEND_COREGRAPHICS) {
CGContextRef cg = static_cast<CGContextRef>(aTarget->GetNativeSurface(NATIVE_SURFACE_CGCONTEXT));
//XXX: it would be nice to have an implicit conversion from IntSize to gfxIntSize
IntSize intSize = aTarget->GetSize();
gfxIntSize size(intSize.width, intSize.height);
nsRefPtr<gfxASurface> surf =
new gfxQuartzSurface(cg, size);
return surf.forget();
}
return gfxPlatform::GetThebesSurfaceForDrawTarget(aTarget);
}
bool
gfxPlatformMac::UseAcceleratedCanvas()
{
// Lion or later is required
return false && OSXVersion() >= 0x1070 && Preferences::GetBool("gfx.canvas.azure.accelerated", false);
}
qcms_profile *
gfxPlatformMac::GetPlatformCMSOutputProfile()
{
qcms_profile *profile = nullptr;
CMProfileRef cmProfile;
CMProfileLocation *location;
UInt32 locationSize;
/* There a number of different ways that we could try to get a color
profile to use. On 10.5 all of these methods seem to give the same
results. On 10.6, the results are different and the following method,
using CGMainDisplayID() seems to best match what we are looking for.
Currently, both Google Chrome and Qt4 use a similar method.
CMTypes.h describes CMDisplayIDType:
"Data type for ColorSync DisplayID reference
On 8 & 9 this is a AVIDType
On X this is a CGSDisplayID"
CGMainDisplayID gives us a CGDirectDisplayID which presumeably
corresponds directly to a CGSDisplayID */
CGDirectDisplayID displayID = CGMainDisplayID();
CMError err = CMGetProfileByAVID(static_cast<CMDisplayIDType>(displayID), &cmProfile);
if (err != noErr)
return nullptr;
// get the size of location
err = NCMGetProfileLocation(cmProfile, NULL, &locationSize);
if (err != noErr)
return nullptr;
// allocate enough room for location
location = static_cast<CMProfileLocation*>(malloc(locationSize));
if (!location)
goto fail_close;
err = NCMGetProfileLocation(cmProfile, location, &locationSize);
if (err != noErr)
goto fail_location;
switch (location->locType) {
#ifndef __LP64__
case cmFileBasedProfile: {
FSRef fsRef;
if (!FSpMakeFSRef(&location->u.fileLoc.spec, &fsRef)) {
char path[512];
if (!FSRefMakePath(&fsRef, reinterpret_cast<UInt8*>(path), sizeof(path))) {
profile = qcms_profile_from_path(path);
#ifdef DEBUG_tor
if (profile)
fprintf(stderr,
"ICM profile read from %s fileLoc successfully\n", path);
#endif
}
}
break;
}
#endif
case cmPathBasedProfile:
profile = qcms_profile_from_path(location->u.pathLoc.path);
#ifdef DEBUG_tor
if (profile)
fprintf(stderr,
"ICM profile read from %s pathLoc successfully\n",
device.u.pathLoc.path);
#endif
break;
default:
#ifdef DEBUG_tor
fprintf(stderr, "Unhandled ColorSync profile location\n");
#endif
break;
}
fail_location:
free(location);
fail_close:
CMCloseProfile(cmProfile);
return profile;
}