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/* -*- 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 */
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