gecko-dev/gfx/thebes/gfxAndroidPlatform.h

112 lines
3.7 KiB
C++

/* -*- 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 "gfxFT2Fonts.h"
#include "gfxPlatform.h"
#include "gfxUserFontSet.h"
#include "nsCOMPtr.h"
#include "nsTArray.h"
namespace mozilla {
namespace dom {
class FontListEntry;
};
};
using mozilla::dom::FontListEntry;
typedef struct FT_LibraryRec_ *FT_Library;
class gfxAndroidPlatform : public gfxPlatform {
public:
gfxAndroidPlatform();
virtual ~gfxAndroidPlatform();
static gfxAndroidPlatform *GetPlatform() {
return (gfxAndroidPlatform*) gfxPlatform::GetPlatform();
}
virtual already_AddRefed<gfxASurface>
CreateOffscreenSurface(const IntSize& size,
gfxContentType contentType);
virtual gfxImageFormat GetOffscreenFormat() { return mOffscreenFormat; }
mozilla::TemporaryRef<mozilla::gfx::ScaledFont>
GetScaledFontForFont(mozilla::gfx::DrawTarget* aTarget, gfxFont *aFont);
// to support IPC font list (sharing between chrome and content)
void GetSystemFontList(InfallibleTArray<FontListEntry>* retValue);
// platform implementations of font functions
virtual bool IsFontFormatSupported(nsIURI *aFontURI, uint32_t aFormatFlags);
virtual gfxPlatformFontList* CreatePlatformFontList();
virtual gfxFontEntry* LookupLocalFont(const nsAString& aFontName,
uint16_t aWeight,
int16_t aStretch,
bool aItalic);
virtual gfxFontEntry* MakePlatformFont(const nsAString& aFontName,
uint16_t aWeight,
int16_t aStretch,
bool aItalic,
const uint8_t* aFontData,
uint32_t aLength);
virtual void GetCommonFallbackFonts(uint32_t aCh, uint32_t aNextCh,
int32_t aRunScript,
nsTArray<const char*>& aFontList);
virtual nsresult GetFontList(nsIAtom *aLangGroup,
const nsACString& aGenericFamily,
nsTArray<nsString>& aListOfFonts);
virtual nsresult UpdateFontList();
virtual nsresult GetStandardFamilyName(const nsAString& aFontName,
nsAString& aFamilyName);
virtual gfxFontGroup*
CreateFontGroup(const mozilla::FontFamilyList& aFontFamilyList,
const gfxFontStyle *aStyle,
gfxUserFontSet* aUserFontSet);
virtual bool FontHintingEnabled() override;
virtual bool RequiresLinearZoom() override;
FT_Library GetFTLibrary();
virtual int GetScreenDepth() const;
virtual bool CanRenderContentToDataSurface() const override {
return true;
}
virtual bool HaveChoiceOfHWAndSWCanvas() override;
virtual bool UseAcceleratedSkiaCanvas() override;
virtual already_AddRefed<mozilla::gfx::VsyncSource> CreateHardwareVsyncSource() override;
#ifdef MOZ_WIDGET_GONK
virtual bool IsInGonkEmulator() const { return mIsInGonkEmulator; }
#endif
virtual bool SupportsApzTouchInput() const override {
return true;
}
private:
int mScreenDepth;
gfxImageFormat mOffscreenFormat;
#ifdef MOZ_WIDGET_GONK
bool mIsInGonkEmulator;
#endif
};
#endif /* GFX_PLATFORM_ANDROID_H */