зеркало из https://github.com/mozilla/gecko-dev.git
115 строки
3.8 KiB
C++
115 строки
3.8 KiB
C++
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef GFX_PLATFORM_ANDROID_H
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#define GFX_PLATFORM_ANDROID_H
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#include "gfxFT2Fonts.h"
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#include "gfxPlatform.h"
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#include "gfxUserFontSet.h"
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#include "nsCOMPtr.h"
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#include "nsTArray.h"
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namespace mozilla {
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namespace dom {
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class FontListEntry;
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};
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};
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using mozilla::dom::FontListEntry;
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typedef struct FT_LibraryRec_ *FT_Library;
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class gfxAndroidPlatform : public gfxPlatform {
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public:
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gfxAndroidPlatform();
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virtual ~gfxAndroidPlatform();
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static gfxAndroidPlatform *GetPlatform() {
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return (gfxAndroidPlatform*) gfxPlatform::GetPlatform();
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}
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virtual already_AddRefed<gfxASurface>
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CreateOffscreenSurface(const IntSize& aSize,
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gfxImageFormat aFormat);
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virtual gfxImageFormat GetOffscreenFormat() { return mOffscreenFormat; }
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already_AddRefed<mozilla::gfx::ScaledFont>
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GetScaledFontForFont(mozilla::gfx::DrawTarget* aTarget, gfxFont *aFont);
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// to support IPC font list (sharing between chrome and content)
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void GetSystemFontList(InfallibleTArray<FontListEntry>* retValue);
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// platform implementations of font functions
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virtual bool IsFontFormatSupported(nsIURI *aFontURI, uint32_t aFormatFlags);
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virtual gfxPlatformFontList* CreatePlatformFontList();
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virtual gfxFontEntry* LookupLocalFont(const nsAString& aFontName,
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uint16_t aWeight,
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int16_t aStretch,
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bool aItalic);
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virtual gfxFontEntry* MakePlatformFont(const nsAString& aFontName,
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uint16_t aWeight,
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int16_t aStretch,
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bool aItalic,
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const uint8_t* aFontData,
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uint32_t aLength);
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virtual void GetCommonFallbackFonts(uint32_t aCh, uint32_t aNextCh,
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int32_t aRunScript,
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nsTArray<const char*>& aFontList);
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virtual nsresult GetFontList(nsIAtom *aLangGroup,
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const nsACString& aGenericFamily,
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nsTArray<nsString>& aListOfFonts);
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virtual nsresult UpdateFontList();
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virtual nsresult GetStandardFamilyName(const nsAString& aFontName,
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nsAString& aFamilyName);
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gfxFontGroup*
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CreateFontGroup(const mozilla::FontFamilyList& aFontFamilyList,
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const gfxFontStyle *aStyle,
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gfxTextPerfMetrics* aTextPerf,
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gfxUserFontSet *aUserFontSet) override;
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virtual bool FontHintingEnabled() override;
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virtual bool RequiresLinearZoom() override;
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FT_Library GetFTLibrary();
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virtual bool CanRenderContentToDataSurface() const override {
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return true;
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}
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virtual bool HaveChoiceOfHWAndSWCanvas() override;
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virtual bool UseAcceleratedSkiaCanvas() override;
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virtual already_AddRefed<mozilla::gfx::VsyncSource> CreateHardwareVsyncSource() override;
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#ifdef MOZ_WIDGET_GONK
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virtual bool IsInGonkEmulator() const { return mIsInGonkEmulator; }
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#endif
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virtual bool SupportsApzTouchInput() const override {
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return true;
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}
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protected:
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bool AccelerateLayersByDefault() override {
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return true;
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}
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private:
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int mScreenDepth;
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gfxImageFormat mOffscreenFormat;
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#ifdef MOZ_WIDGET_GONK
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bool mIsInGonkEmulator;
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#endif
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};
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#endif /* GFX_PLATFORM_ANDROID_H */
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