michael@0: /* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
michael@0:  * This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #include "gfxPlatformMac.h"
michael@0: 
michael@0: #include "gfxImageSurface.h"
michael@0: #include "gfxQuartzSurface.h"
michael@0: #include "gfxQuartzImageSurface.h"
michael@0: #include "mozilla/gfx/2D.h"
michael@0: 
michael@0: #include "gfxMacPlatformFontList.h"
michael@0: #include "gfxMacFont.h"
michael@0: #include "gfxCoreTextShaper.h"
michael@0: #include "gfxUserFontSet.h"
michael@0: 
michael@0: #include "nsTArray.h"
michael@0: #include "mozilla/Preferences.h"
michael@0: #include "qcms.h"
michael@0: #include "gfx2DGlue.h"
michael@0: 
michael@0: #include <dlfcn.h>
michael@0: 
michael@0: #include "nsCocoaFeatures.h"
michael@0: 
michael@0: using namespace mozilla;
michael@0: using namespace mozilla::gfx;
michael@0: 
michael@0: // cribbed from CTFontManager.h
michael@0: enum {
michael@0:    kAutoActivationDisabled = 1
michael@0: };
michael@0: typedef uint32_t AutoActivationSetting;
michael@0: 
michael@0: // bug 567552 - disable auto-activation of fonts
michael@0: 
michael@0: static void 
michael@0: DisableFontActivation()
michael@0: {
michael@0:     // get the main bundle identifier
michael@0:     CFBundleRef mainBundle = ::CFBundleGetMainBundle();
michael@0:     CFStringRef mainBundleID = nullptr;
michael@0: 
michael@0:     if (mainBundle) {
michael@0:         mainBundleID = ::CFBundleGetIdentifier(mainBundle);
michael@0:     }
michael@0: 
michael@0:     // bug 969388 and bug 922590 - mainBundlID as null is sometimes problematic
michael@0:     if (!mainBundleID) {
michael@0:         NS_WARNING("missing bundle ID, packaging set up incorrectly");
michael@0:         return;
michael@0:     }
michael@0: 
michael@0:     // if possible, fetch CTFontManagerSetAutoActivationSetting
michael@0:     void (*CTFontManagerSetAutoActivationSettingPtr)
michael@0:             (CFStringRef, AutoActivationSetting);
michael@0:     CTFontManagerSetAutoActivationSettingPtr =
michael@0:         (void (*)(CFStringRef, AutoActivationSetting))
michael@0:         dlsym(RTLD_DEFAULT, "CTFontManagerSetAutoActivationSetting");
michael@0: 
michael@0:     // bug 567552 - disable auto-activation of fonts
michael@0:     if (CTFontManagerSetAutoActivationSettingPtr) {
michael@0:         CTFontManagerSetAutoActivationSettingPtr(mainBundleID,
michael@0:                                                  kAutoActivationDisabled);
michael@0:     }
michael@0: }
michael@0: 
michael@0: gfxPlatformMac::gfxPlatformMac()
michael@0: {
michael@0:     DisableFontActivation();
michael@0:     mFontAntiAliasingThreshold = ReadAntiAliasingThreshold();
michael@0: 
michael@0:     uint32_t canvasMask = BackendTypeBit(BackendType::CAIRO) |
michael@0:                           BackendTypeBit(BackendType::SKIA) |
michael@0:                           BackendTypeBit(BackendType::COREGRAPHICS);
michael@0:     uint32_t contentMask = BackendTypeBit(BackendType::COREGRAPHICS);
michael@0:     InitBackendPrefs(canvasMask, BackendType::COREGRAPHICS,
michael@0:                      contentMask, BackendType::COREGRAPHICS);
michael@0: }
michael@0: 
michael@0: gfxPlatformMac::~gfxPlatformMac()
michael@0: {
michael@0:     gfxCoreTextShaper::Shutdown();
michael@0: }
michael@0: 
michael@0: gfxPlatformFontList*
michael@0: gfxPlatformMac::CreatePlatformFontList()
michael@0: {
michael@0:     gfxPlatformFontList* list = new gfxMacPlatformFontList();
michael@0:     if (NS_SUCCEEDED(list->InitFontList())) {
michael@0:         return list;
michael@0:     }
michael@0:     gfxPlatformFontList::Shutdown();
michael@0:     return nullptr;
michael@0: }
michael@0: 
michael@0: already_AddRefed<gfxASurface>
michael@0: gfxPlatformMac::CreateOffscreenSurface(const IntSize& size,
michael@0:                                        gfxContentType contentType)
michael@0: {
michael@0:     nsRefPtr<gfxASurface> newSurface =
michael@0:       new gfxQuartzSurface(ThebesIntSize(size),
michael@0:                            OptimalFormatForContent(contentType));
michael@0:     return newSurface.forget();
michael@0: }
michael@0: 
michael@0: already_AddRefed<gfxASurface>
michael@0: gfxPlatformMac::CreateOffscreenImageSurface(const gfxIntSize& aSize,
michael@0:                                             gfxContentType aContentType)
michael@0: {
michael@0:     nsRefPtr<gfxASurface> surface =
michael@0:         CreateOffscreenSurface(aSize.ToIntSize(), aContentType);
michael@0: #ifdef DEBUG
michael@0:     nsRefPtr<gfxImageSurface> imageSurface = surface->GetAsImageSurface();
michael@0:     NS_ASSERTION(imageSurface, "Surface cannot be converted to a gfxImageSurface");
michael@0: #endif
michael@0:     return surface.forget();
michael@0: }
michael@0: 
michael@0: 
michael@0: already_AddRefed<gfxASurface>
michael@0: gfxPlatformMac::OptimizeImage(gfxImageSurface *aSurface,
michael@0:                               gfxImageFormat format)
michael@0: {
michael@0:     const gfxIntSize& surfaceSize = aSurface->GetSize();
michael@0:     nsRefPtr<gfxImageSurface> isurf = aSurface;
michael@0: 
michael@0:     if (format != aSurface->Format()) {
michael@0:         isurf = new gfxImageSurface (surfaceSize, format);
michael@0:         if (!isurf->CopyFrom (aSurface)) {
michael@0:             // don't even bother doing anything more
michael@0:             nsRefPtr<gfxASurface> ret = aSurface;
michael@0:             return ret.forget();
michael@0:         }
michael@0:     }
michael@0: 
michael@0:     return nullptr;
michael@0: }
michael@0: 
michael@0: TemporaryRef<ScaledFont>
michael@0: gfxPlatformMac::GetScaledFontForFont(DrawTarget* aTarget, gfxFont *aFont)
michael@0: {
michael@0:     gfxMacFont *font = static_cast<gfxMacFont*>(aFont);
michael@0:     return font->GetScaledFont(aTarget);
michael@0: }
michael@0: 
michael@0: nsresult
michael@0: gfxPlatformMac::ResolveFontName(const nsAString& aFontName,
michael@0:                                 FontResolverCallback aCallback,
michael@0:                                 void *aClosure, bool& aAborted)
michael@0: {
michael@0:     nsAutoString resolvedName;
michael@0:     if (!gfxPlatformFontList::PlatformFontList()->
michael@0:              ResolveFontName(aFontName, resolvedName)) {
michael@0:         aAborted = false;
michael@0:         return NS_OK;
michael@0:     }
michael@0:     aAborted = !(*aCallback)(resolvedName, aClosure);
michael@0:     return NS_OK;
michael@0: }
michael@0: 
michael@0: nsresult
michael@0: gfxPlatformMac::GetStandardFamilyName(const nsAString& aFontName, nsAString& aFamilyName)
michael@0: {
michael@0:     gfxPlatformFontList::PlatformFontList()->GetStandardFamilyName(aFontName, aFamilyName);
michael@0:     return NS_OK;
michael@0: }
michael@0: 
michael@0: gfxFontGroup *
michael@0: gfxPlatformMac::CreateFontGroup(const nsAString &aFamilies,
michael@0:                                 const gfxFontStyle *aStyle,
michael@0:                                 gfxUserFontSet *aUserFontSet)
michael@0: {
michael@0:     return new gfxFontGroup(aFamilies, aStyle, aUserFontSet);
michael@0: }
michael@0: 
michael@0: // these will move to gfxPlatform once all platforms support the fontlist
michael@0: gfxFontEntry* 
michael@0: gfxPlatformMac::LookupLocalFont(const gfxProxyFontEntry *aProxyEntry,
michael@0:                                 const nsAString& aFontName)
michael@0: {
michael@0:     return gfxPlatformFontList::PlatformFontList()->LookupLocalFont(aProxyEntry, 
michael@0:                                                                     aFontName);
michael@0: }
michael@0: 
michael@0: gfxFontEntry* 
michael@0: gfxPlatformMac::MakePlatformFont(const gfxProxyFontEntry *aProxyEntry,
michael@0:                                  const uint8_t *aFontData, uint32_t aLength)
michael@0: {
michael@0:     // Ownership of aFontData is received here, and passed on to
michael@0:     // gfxPlatformFontList::MakePlatformFont(), which must ensure the data
michael@0:     // is released with NS_Free when no longer needed
michael@0:     return gfxPlatformFontList::PlatformFontList()->MakePlatformFont(aProxyEntry,
michael@0:                                                                      aFontData,
michael@0:                                                                      aLength);
michael@0: }
michael@0: 
michael@0: bool
michael@0: gfxPlatformMac::IsFontFormatSupported(nsIURI *aFontURI, uint32_t aFormatFlags)
michael@0: {
michael@0:     // check for strange format flags
michael@0:     NS_ASSERTION(!(aFormatFlags & gfxUserFontSet::FLAG_FORMAT_NOT_USED),
michael@0:                  "strange font format hint set");
michael@0: 
michael@0:     // accept supported formats
michael@0:     if (aFormatFlags & (gfxUserFontSet::FLAG_FORMAT_WOFF     |
michael@0:                         gfxUserFontSet::FLAG_FORMAT_OPENTYPE | 
michael@0:                         gfxUserFontSet::FLAG_FORMAT_TRUETYPE | 
michael@0:                         gfxUserFontSet::FLAG_FORMAT_TRUETYPE_AAT)) {
michael@0:         return true;
michael@0:     }
michael@0: 
michael@0:     // reject all other formats, known and unknown
michael@0:     if (aFormatFlags != 0) {
michael@0:         return false;
michael@0:     }
michael@0: 
michael@0:     // no format hint set, need to look at data
michael@0:     return true;
michael@0: }
michael@0: 
michael@0: // these will also move to gfxPlatform once all platforms support the fontlist
michael@0: nsresult
michael@0: gfxPlatformMac::GetFontList(nsIAtom *aLangGroup,
michael@0:                             const nsACString& aGenericFamily,
michael@0:                             nsTArray<nsString>& aListOfFonts)
michael@0: {
michael@0:     gfxPlatformFontList::PlatformFontList()->GetFontList(aLangGroup, aGenericFamily, aListOfFonts);
michael@0:     return NS_OK;
michael@0: }
michael@0: 
michael@0: nsresult
michael@0: gfxPlatformMac::UpdateFontList()
michael@0: {
michael@0:     gfxPlatformFontList::PlatformFontList()->UpdateFontList();
michael@0:     return NS_OK;
michael@0: }
michael@0: 
michael@0: static const char kFontArialUnicodeMS[] = "Arial Unicode MS";
michael@0: static const char kFontAppleBraille[] = "Apple Braille";
michael@0: static const char kFontAppleColorEmoji[] = "Apple Color Emoji";
michael@0: static const char kFontAppleSymbols[] = "Apple Symbols";
michael@0: static const char kFontDevanagariSangamMN[] = "Devanagari Sangam MN";
michael@0: static const char kFontEuphemiaUCAS[] = "Euphemia UCAS";
michael@0: static const char kFontGeneva[] = "Geneva";
michael@0: static const char kFontGeezaPro[] = "Geeza Pro";
michael@0: static const char kFontGujaratiSangamMN[] = "Gujarati Sangam MN";
michael@0: static const char kFontGurmukhiMN[] = "Gurmukhi MN";
michael@0: static const char kFontHiraginoKakuGothic[] = "Hiragino Kaku Gothic ProN";
michael@0: static const char kFontHiraginoSansGB[] = "Hiragino Sans GB";
michael@0: static const char kFontKefa[] = "Kefa";
michael@0: static const char kFontKhmerMN[] = "Khmer MN";
michael@0: static const char kFontLaoMN[] = "Lao MN";
michael@0: static const char kFontLucidaGrande[] = "Lucida Grande";
michael@0: static const char kFontMenlo[] = "Menlo";
michael@0: static const char kFontMicrosoftTaiLe[] = "Microsoft Tai Le";
michael@0: static const char kFontMingLiUExtB[] = "MingLiU-ExtB";
michael@0: static const char kFontMyanmarMN[] = "Myanmar MN";
michael@0: static const char kFontPlantagenetCherokee[] = "Plantagenet Cherokee";
michael@0: static const char kFontSimSunExtB[] = "SimSun-ExtB";
michael@0: static const char kFontSongtiSC[] = "Songti SC";
michael@0: static const char kFontSTHeiti[] = "STHeiti";
michael@0: static const char kFontSTIXGeneral[] = "STIXGeneral";
michael@0: static const char kFontTamilMN[] = "Tamil MN";
michael@0: 
michael@0: void
michael@0: gfxPlatformMac::GetCommonFallbackFonts(const uint32_t aCh,
michael@0:                                        int32_t aRunScript,
michael@0:                                        nsTArray<const char*>& aFontList)
michael@0: {
michael@0:     aFontList.AppendElement(kFontLucidaGrande);
michael@0: 
michael@0:     if (!IS_IN_BMP(aCh)) {
michael@0:         uint32_t p = aCh >> 16;
michael@0:         uint32_t b = aCh >> 8;
michael@0:         if (p == 1) {
michael@0:             if (b >= 0x1f0 && b < 0x1f7) {
michael@0:                 aFontList.AppendElement(kFontAppleColorEmoji);
michael@0:             } else {
michael@0:                 aFontList.AppendElement(kFontAppleSymbols);
michael@0:                 aFontList.AppendElement(kFontSTIXGeneral);
michael@0:                 aFontList.AppendElement(kFontGeneva);
michael@0:             }
michael@0:         } else if (p == 2) {
michael@0:             // OSX installations with MS Office may have these fonts
michael@0:             aFontList.AppendElement(kFontMingLiUExtB);
michael@0:             aFontList.AppendElement(kFontSimSunExtB);
michael@0:         }
michael@0:     } else {
michael@0:         uint32_t b = (aCh >> 8) & 0xff;
michael@0: 
michael@0:         switch (b) {
michael@0:         case 0x03:
michael@0:         case 0x05:
michael@0:             aFontList.AppendElement(kFontGeneva);
michael@0:             break;
michael@0:         case 0x07:
michael@0:             aFontList.AppendElement(kFontGeezaPro);
michael@0:             break;
michael@0:         case 0x09:
michael@0:             aFontList.AppendElement(kFontDevanagariSangamMN);
michael@0:             break;
michael@0:         case 0x0a:
michael@0:             aFontList.AppendElement(kFontGurmukhiMN);
michael@0:             aFontList.AppendElement(kFontGujaratiSangamMN);
michael@0:             break;
michael@0:         case 0x0b:
michael@0:             aFontList.AppendElement(kFontTamilMN);
michael@0:             break;
michael@0:         case 0x0e:
michael@0:             aFontList.AppendElement(kFontLaoMN);
michael@0:             break;
michael@0:         case 0x0f:
michael@0:             aFontList.AppendElement(kFontSongtiSC);
michael@0:             break;
michael@0:         case 0x10:
michael@0:             aFontList.AppendElement(kFontMenlo);
michael@0:             aFontList.AppendElement(kFontMyanmarMN);
michael@0:             break;
michael@0:         case 0x13:  // Cherokee
michael@0:             aFontList.AppendElement(kFontPlantagenetCherokee);
michael@0:             aFontList.AppendElement(kFontKefa);
michael@0:             break;
michael@0:         case 0x14:  // Unified Canadian Aboriginal Syllabics
michael@0:         case 0x15:
michael@0:         case 0x16:
michael@0:             aFontList.AppendElement(kFontEuphemiaUCAS);
michael@0:             aFontList.AppendElement(kFontGeneva);
michael@0:             break;
michael@0:         case 0x18:  // Mongolian, UCAS
michael@0:             aFontList.AppendElement(kFontSTHeiti);
michael@0:             aFontList.AppendElement(kFontEuphemiaUCAS);
michael@0:             break;
michael@0:         case 0x19:  // Khmer
michael@0:             aFontList.AppendElement(kFontKhmerMN);
michael@0:             aFontList.AppendElement(kFontMicrosoftTaiLe);
michael@0:             break;
michael@0:         case 0x1d:
michael@0:         case 0x1e:
michael@0:             aFontList.AppendElement(kFontGeneva);
michael@0:             break;
michael@0:         case 0x20:  // Symbol ranges
michael@0:         case 0x21:
michael@0:         case 0x22:
michael@0:         case 0x23:
michael@0:         case 0x24:
michael@0:         case 0x25:
michael@0:         case 0x26:
michael@0:         case 0x27:
michael@0:         case 0x29:
michael@0:         case 0x2a:
michael@0:         case 0x2b:
michael@0:         case 0x2e:
michael@0:             aFontList.AppendElement(kFontAppleSymbols);
michael@0:             aFontList.AppendElement(kFontMenlo);
michael@0:             aFontList.AppendElement(kFontSTIXGeneral);
michael@0:             aFontList.AppendElement(kFontGeneva);
michael@0:             aFontList.AppendElement(kFontHiraginoKakuGothic);
michael@0:             aFontList.AppendElement(kFontAppleColorEmoji);
michael@0:             break;
michael@0:         case 0x2c:
michael@0:             aFontList.AppendElement(kFontGeneva);
michael@0:             break;
michael@0:         case 0x2d:
michael@0:             aFontList.AppendElement(kFontKefa);
michael@0:             aFontList.AppendElement(kFontGeneva);
michael@0:             break;
michael@0:         case 0x28:  // Braille
michael@0:             aFontList.AppendElement(kFontAppleBraille);
michael@0:             break;
michael@0:         case 0x31:
michael@0:             aFontList.AppendElement(kFontHiraginoSansGB);
michael@0:             break;
michael@0:         case 0x4d:
michael@0:             aFontList.AppendElement(kFontAppleSymbols);
michael@0:             break;
michael@0:         case 0xa0:  // Yi
michael@0:         case 0xa1:
michael@0:         case 0xa2:
michael@0:         case 0xa3:
michael@0:         case 0xa4:
michael@0:             aFontList.AppendElement(kFontSTHeiti);
michael@0:             break;
michael@0:         case 0xa6:
michael@0:         case 0xa7:
michael@0:             aFontList.AppendElement(kFontGeneva);
michael@0:             aFontList.AppendElement(kFontAppleSymbols);
michael@0:             break;
michael@0:         case 0xab:
michael@0:             aFontList.AppendElement(kFontKefa);
michael@0:             break;
michael@0:         case 0xfc:
michael@0:         case 0xff:
michael@0:             aFontList.AppendElement(kFontAppleSymbols);
michael@0:             break;
michael@0:         default:
michael@0:             break;
michael@0:         }
michael@0:     }
michael@0: 
michael@0:     // Arial Unicode MS has lots of glyphs for obscure, use it as a last resort
michael@0:     aFontList.AppendElement(kFontArialUnicodeMS);
michael@0: }
michael@0: 
michael@0: uint32_t
michael@0: gfxPlatformMac::ReadAntiAliasingThreshold()
michael@0: {
michael@0:     uint32_t threshold = 0;  // default == no threshold
michael@0:     
michael@0:     // first read prefs flag to determine whether to use the setting or not
michael@0:     bool useAntiAliasingThreshold = Preferences::GetBool("gfx.use_text_smoothing_setting", false);
michael@0: 
michael@0:     // if the pref setting is disabled, return 0 which effectively disables this feature
michael@0:     if (!useAntiAliasingThreshold)
michael@0:         return threshold;
michael@0:         
michael@0:     // value set via Appearance pref panel, "Turn off text smoothing for font sizes xxx and smaller"
michael@0:     CFNumberRef prefValue = (CFNumberRef)CFPreferencesCopyAppValue(CFSTR("AppleAntiAliasingThreshold"), kCFPreferencesCurrentApplication);
michael@0: 
michael@0:     if (prefValue) {
michael@0:         if (!CFNumberGetValue(prefValue, kCFNumberIntType, &threshold)) {
michael@0:             threshold = 0;
michael@0:         }
michael@0:         CFRelease(prefValue);
michael@0:     }
michael@0: 
michael@0:     return threshold;
michael@0: }
michael@0: 
michael@0: already_AddRefed<gfxASurface>
michael@0: gfxPlatformMac::GetThebesSurfaceForDrawTarget(DrawTarget *aTarget)
michael@0: {
michael@0:   if (aTarget->GetType() == BackendType::COREGRAPHICS_ACCELERATED) {
michael@0:     RefPtr<SourceSurface> source = aTarget->Snapshot();
michael@0:     RefPtr<DataSourceSurface> sourceData = source->GetDataSurface();
michael@0:     unsigned char* data = sourceData->GetData();
michael@0:     nsRefPtr<gfxImageSurface> surf = new gfxImageSurface(data, ThebesIntSize(sourceData->GetSize()), sourceData->Stride(),
michael@0:                                                          gfxImageFormat::ARGB32);
michael@0:     // We could fix this by telling gfxImageSurface it owns data.
michael@0:     nsRefPtr<gfxImageSurface> cpy = new gfxImageSurface(ThebesIntSize(sourceData->GetSize()), gfxImageFormat::ARGB32);
michael@0:     cpy->CopyFrom(surf);
michael@0:     return cpy.forget();
michael@0:   } else if (aTarget->GetType() == BackendType::COREGRAPHICS) {
michael@0:     CGContextRef cg = static_cast<CGContextRef>(aTarget->GetNativeSurface(NativeSurfaceType::CGCONTEXT));
michael@0: 
michael@0:     //XXX: it would be nice to have an implicit conversion from IntSize to gfxIntSize
michael@0:     IntSize intSize = aTarget->GetSize();
michael@0:     gfxIntSize size(intSize.width, intSize.height);
michael@0: 
michael@0:     nsRefPtr<gfxASurface> surf =
michael@0:       new gfxQuartzSurface(cg, size);
michael@0: 
michael@0:     return surf.forget();
michael@0:   }
michael@0: 
michael@0:   return gfxPlatform::GetThebesSurfaceForDrawTarget(aTarget);
michael@0: }
michael@0: 
michael@0: bool
michael@0: gfxPlatformMac::UseAcceleratedCanvas()
michael@0: {
michael@0:   // Lion or later is required
michael@0:   return nsCocoaFeatures::OnLionOrLater() && Preferences::GetBool("gfx.canvas.azure.accelerated", false);
michael@0: }
michael@0: 
michael@0: bool
michael@0: gfxPlatformMac::SupportsOffMainThreadCompositing()
michael@0: {
michael@0:   return true;
michael@0: }
michael@0: 
michael@0: void
michael@0: gfxPlatformMac::GetPlatformCMSOutputProfile(void* &mem, size_t &size)
michael@0: {
michael@0:     mem = nullptr;
michael@0:     size = 0;
michael@0: 
michael@0:     CGColorSpaceRef cspace = ::CGDisplayCopyColorSpace(::CGMainDisplayID());
michael@0:     if (!cspace) {
michael@0:         cspace = ::CGColorSpaceCreateDeviceRGB();
michael@0:     }
michael@0:     if (!cspace) {
michael@0:         return;
michael@0:     }
michael@0: 
michael@0:     CFDataRef iccp = ::CGColorSpaceCopyICCProfile(cspace);
michael@0: 
michael@0:     ::CFRelease(cspace);
michael@0: 
michael@0:     if (!iccp) {
michael@0:         return;
michael@0:     }
michael@0: 
michael@0:     // copy to external buffer
michael@0:     size = static_cast<size_t>(::CFDataGetLength(iccp));
michael@0:     if (size > 0) {
michael@0:         void *data = malloc(size);
michael@0:         if (data) {
michael@0:             memcpy(data, ::CFDataGetBytePtr(iccp), size);
michael@0:             mem = data;
michael@0:         } else {
michael@0:             size = 0;
michael@0:         }
michael@0:     }
michael@0: 
michael@0:     ::CFRelease(iccp);
michael@0: }