gecko-dev/gfx/thebes/gfxPlatformMac.cpp

471 lines
15 KiB
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 "nsTArray.h"
#include "mozilla/Preferences.h"
#include "qcms.h"
#include "gfx2DGlue.h"
#include <dlfcn.h>
#include "nsCocoaFeatures.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 = nullptr;
if (mainBundle) {
mainBundleID = ::CFBundleGetIdentifier(mainBundle);
}
// bug 969388 and bug 922590 - mainBundlID as null is sometimes problematic
if (!mainBundleID) {
NS_WARNING("missing bundle ID, packaging set up incorrectly");
return;
}
// 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()
{
DisableFontActivation();
mFontAntiAliasingThreshold = ReadAntiAliasingThreshold();
uint32_t canvasMask = BackendTypeBit(BackendType::CAIRO) |
BackendTypeBit(BackendType::SKIA) |
BackendTypeBit(BackendType::COREGRAPHICS);
uint32_t contentMask = BackendTypeBit(BackendType::COREGRAPHICS);
InitBackendPrefs(canvasMask, BackendType::COREGRAPHICS,
contentMask, BackendType::COREGRAPHICS);
}
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 IntSize& size,
gfxContentType contentType)
{
nsRefPtr<gfxASurface> newSurface =
new gfxQuartzSurface(ThebesIntSize(size),
OptimalFormatForContent(contentType));
return newSurface.forget();
}
already_AddRefed<gfxASurface>
gfxPlatformMac::CreateOffscreenImageSurface(const gfxIntSize& aSize,
gfxContentType aContentType)
{
nsRefPtr<gfxASurface> surface =
CreateOffscreenSurface(aSize.ToIntSize(), 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,
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
nsRefPtr<gfxASurface> ret = aSurface;
return ret.forget();
}
}
return nullptr;
}
TemporaryRef<ScaledFont>
gfxPlatformMac::GetScaledFontForFont(DrawTarget* aTarget, gfxFont *aFont)
{
gfxMacFont *font = static_cast<gfxMacFont*>(aFont);
return font->GetScaledFont(aTarget);
}
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 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()
{
return nsCocoaFeatures::OSXVersion();
}
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::CreateThebesSurfaceAliasForDrawTarget_hack(mozilla::gfx::DrawTarget *aTarget)
{
if (aTarget->GetType() == BackendType::COREGRAPHICS) {
CGContextRef cg = static_cast<CGContextRef>(aTarget->GetNativeSurface(NativeSurfaceType::CGCONTEXT));
unsigned char* data = (unsigned char*)CGBitmapContextGetData(cg);
size_t bpp = CGBitmapContextGetBitsPerPixel(cg);
size_t stride = CGBitmapContextGetBytesPerRow(cg);
gfxIntSize size(aTarget->GetSize().width, aTarget->GetSize().height);
nsRefPtr<gfxImageSurface> imageSurface = new gfxImageSurface(data, size, stride, bpp == 2
? gfxImageFormat::RGB16_565
: gfxImageFormat::ARGB32);
// Here we should return a gfxQuartzImageSurface but quartz will assumes that image surfaces
// don't change which wont create a proper alias to the draw target, therefore we have to
// return a plain image surface.
return imageSurface.forget();
} else {
return GetThebesSurfaceForDrawTarget(aTarget);
}
}
already_AddRefed<gfxASurface>
gfxPlatformMac::GetThebesSurfaceForDrawTarget(DrawTarget *aTarget)
{
if (aTarget->GetType() == BackendType::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(),
gfxImageFormat::ARGB32);
// We could fix this by telling gfxImageSurface it owns data.
nsRefPtr<gfxImageSurface> cpy = new gfxImageSurface(ThebesIntSize(sourceData->GetSize()), gfxImageFormat::ARGB32);
cpy->CopyFrom(surf);
return cpy.forget();
} else if (aTarget->GetType() == BackendType::COREGRAPHICS) {
CGContextRef cg = static_cast<CGContextRef>(aTarget->GetNativeSurface(NativeSurfaceType::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 OSXVersion() >= 0x1070 && Preferences::GetBool("gfx.canvas.azure.accelerated", false);
}
bool
gfxPlatformMac::SupportsOffMainThreadCompositing()
{
return true;
}
void
gfxPlatformMac::GetPlatformCMSOutputProfile(void* &mem, size_t &size)
{
mem = nullptr;
size = 0;
CGColorSpaceRef cspace = ::CGDisplayCopyColorSpace(::CGMainDisplayID());
if (!cspace) {
cspace = ::CGColorSpaceCreateDeviceRGB();
}
if (!cspace) {
return;
}
CFDataRef iccp = ::CGColorSpaceCopyICCProfile(cspace);
::CFRelease(cspace);
if (!iccp) {
return;
}
// copy to external buffer
size = static_cast<size_t>(::CFDataGetLength(iccp));
if (size > 0) {
void *data = malloc(size);
if (data) {
memcpy(data, ::CFDataGetBytePtr(iccp), size);
mem = data;
} else {
size = 0;
}
}
::CFRelease(iccp);
}