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/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* 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();
}
bool UsesTiling() const override;
bool ContentUsesTiling() const override;
already_AddRefed<gfxASurface> CreateOffscreenSurface(
const IntSize& aSize, gfxImageFormat aFormat) override;
gfxPlatformFontList* CreatePlatformFontList() override;
void ReadSystemFontList(
nsTArray<mozilla::dom::SystemFontListEntry>* aFontList) override;
bool IsFontFormatSupported(uint32_t aFormatFlags) override;
void GetCommonFallbackFonts(uint32_t aCh, Script aRunScript,
eFontPresentation aPresentation,
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,
nsACString& aSystemFontName,
gfxFontStyle& aFontStyle);
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;
}
already_AddRefed<mozilla::gfx::VsyncSource> CreateHardwareVsyncSource()
override;
// lower threshold on font anti-aliasing
uint32_t GetAntiAliasingThreshold() { return mFontAntiAliasingThreshold; }
protected:
bool AccelerateLayersByDefault() override;
BackendPrefsData GetBackendPrefs() const override;
bool CheckVariationFontSupport() override;
void InitPlatformGPUProcessPrefs() override;
private:
nsTArray<uint8_t> GetPlatformCMSOutputProfileData() 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 */
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