зеркало из https://github.com/mozilla/gecko-dev.git
70 строки
2.2 KiB
C++
70 строки
2.2 KiB
C++
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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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 "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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}; // namespace mozilla
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using mozilla::dom::FontListEntry;
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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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already_AddRefed<gfxASurface> CreateOffscreenSurface(
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const IntSize& aSize, gfxImageFormat aFormat) override;
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gfxImageFormat GetOffscreenFormat() override { return mOffscreenFormat; }
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// to support IPC font list (sharing between chrome and content)
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void GetSystemFontList(nsTArray<FontListEntry>* retValue);
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// platform implementations of font functions
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gfxPlatformFontList* CreatePlatformFontList() override;
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void GetCommonFallbackFonts(uint32_t aCh, uint32_t aNextCh, Script aRunScript,
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nsTArray<const char*>& aFontList) override;
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gfxFontGroup* CreateFontGroup(const mozilla::FontFamilyList& aFontFamilyList,
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const gfxFontStyle* aStyle,
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gfxTextPerfMetrics* aTextPerf,
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gfxUserFontSet* aUserFontSet,
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gfxFloat aDevToCssSize) override;
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bool FontHintingEnabled() override;
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bool RequiresLinearZoom() override;
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already_AddRefed<mozilla::gfx::VsyncSource> CreateHardwareVsyncSource()
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override;
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protected:
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bool AccelerateLayersByDefault() override { return true; }
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bool CheckVariationFontSupport() override {
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// We build with in-tree FreeType, so we know it is a new enough
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// version to support variations.
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return true;
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}
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private:
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gfxImageFormat mOffscreenFormat;
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};
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#endif /* GFX_PLATFORM_ANDROID_H */
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