gecko-dev/gfx/thebes/gfxAndroidPlatform.h

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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_ANDROID_H
#define GFX_PLATFORM_ANDROID_H
#include "gfxPlatform.h"
#include "gfxUserFontSet.h"
#include "nsCOMPtr.h"
#include "nsTArray.h"
namespace mozilla {
namespace dom {
class FontListEntry;
};
};
using mozilla::dom::FontListEntry;
class gfxAndroidPlatform : public gfxPlatform {
public:
gfxAndroidPlatform();
virtual ~gfxAndroidPlatform();
static gfxAndroidPlatform *GetPlatform() {
return (gfxAndroidPlatform*) gfxPlatform::GetPlatform();
}
virtual already_AddRefed<gfxASurface>
CreateOffscreenSurface(const IntSize& aSize,
gfxImageFormat aFormat) override;
virtual gfxImageFormat GetOffscreenFormat() override { return mOffscreenFormat; }
// to support IPC font list (sharing between chrome and content)
void GetSystemFontList(InfallibleTArray<FontListEntry>* retValue);
// platform implementations of font functions
virtual gfxPlatformFontList* CreatePlatformFontList() override;
virtual void GetCommonFallbackFonts(uint32_t aCh, uint32_t aNextCh,
Script aRunScript,
nsTArray<const char*>& aFontList) override;
gfxFontGroup*
CreateFontGroup(const mozilla::FontFamilyList& aFontFamilyList,
const gfxFontStyle *aStyle,
gfxTextPerfMetrics* aTextPerf,
gfxUserFontSet *aUserFontSet,
gfxFloat aDevToCssSize) override;
virtual bool FontHintingEnabled() override;
virtual bool RequiresLinearZoom() override;
FT_Library GetFTLibrary() override;
virtual already_AddRefed<mozilla::gfx::VsyncSource> CreateHardwareVsyncSource() override;
protected:
bool AccelerateLayersByDefault() override {
return true;
}
bool CheckVariationFontSupport() override {
// We build with in-tree FreeType, so we know it is a new enough
// version to support variations.
return true;
}
private:
gfxImageFormat mOffscreenFormat;
};
#endif /* GFX_PLATFORM_ANDROID_H */