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Diffstat (limited to 'gfx/thebes/gfxPlatformMac.h')
-rw-r--r-- | gfx/thebes/gfxPlatformMac.h | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/gfx/thebes/gfxPlatformMac.h b/gfx/thebes/gfxPlatformMac.h new file mode 100644 index 000000000..0807614f6 --- /dev/null +++ b/gfx/thebes/gfxPlatformMac.h @@ -0,0 +1,96 @@ +/* -*- 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/. */ + +#ifndef GFX_PLATFORM_MAC_H +#define GFX_PLATFORM_MAC_H + +#include "nsTArrayForwardDeclare.h" +#include "gfxPlatform.h" +#include "mozilla/LookAndFeel.h" + +namespace mozilla { +namespace gfx { +class DrawTarget; +class VsyncSource; +} // namespace gfx +} // namespace mozilla + +class gfxPlatformMac : public gfxPlatform { +public: + gfxPlatformMac(); + virtual ~gfxPlatformMac(); + + static gfxPlatformMac *GetPlatform() { + return (gfxPlatformMac*) gfxPlatform::GetPlatform(); + } + + virtual already_AddRefed<gfxASurface> + CreateOffscreenSurface(const IntSize& aSize, + gfxImageFormat aFormat) override; + + already_AddRefed<mozilla::gfx::ScaledFont> + GetScaledFontForFont(mozilla::gfx::DrawTarget* aTarget, gfxFont *aFont) override; + + gfxFontGroup* + CreateFontGroup(const mozilla::FontFamilyList& aFontFamilyList, + const gfxFontStyle *aStyle, + gfxTextPerfMetrics* aTextPerf, + gfxUserFontSet *aUserFontSet, + gfxFloat aDevToCssSize) override; + + virtual gfxPlatformFontList* CreatePlatformFontList() override; + + bool IsFontFormatSupported(nsIURI *aFontURI, uint32_t aFormatFlags) override; + + virtual void GetCommonFallbackFonts(uint32_t aCh, uint32_t aNextCh, + Script aRunScript, + nsTArray<const char*>& aFontList) override; + + // lookup the system font for a particular system font type and set + // the name and style characteristics + static void + LookupSystemFont(mozilla::LookAndFeel::FontID aSystemFontID, + nsAString& aSystemFontName, + gfxFontStyle &aFontStyle, + float aDevPixPerCSSPixel); + + virtual bool CanRenderContentToDataSurface() const override { + return true; + } + + virtual bool SupportsApzWheelInput() const override { + return true; + } + + bool RespectsFontStyleSmoothing() const override { + // gfxMacFont respects the font smoothing hint. + return true; + } + + bool RequiresAcceleratedGLContextForCompositorOGL() const override { + // On OS X in a VM, unaccelerated CompositorOGL shows black flashes, so we + // require accelerated GL for CompositorOGL but allow unaccelerated GL for + // BasicCompositor. + return true; + } + + virtual already_AddRefed<mozilla::gfx::VsyncSource> CreateHardwareVsyncSource() override; + + // lower threshold on font anti-aliasing + uint32_t GetAntiAliasingThreshold() { return mFontAntiAliasingThreshold; } + +protected: + bool AccelerateLayersByDefault() override; + +private: + virtual void GetPlatformCMSOutputProfile(void* &mem, size_t &size) override; + + // read in the pref value for the lower threshold on font anti-aliasing + static uint32_t ReadAntiAliasingThreshold(); + + uint32_t mFontAntiAliasingThreshold; +}; + +#endif /* GFX_PLATFORM_MAC_H */ |