зеркало из https://github.com/mozilla/gecko-dev.git
128 строки
3.6 KiB
C++
128 строки
3.6 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_GTK_H
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#define GFX_PLATFORM_GTK_H
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#include "gfxPlatform.h"
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#include "nsAutoRef.h"
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#include "nsTArray.h"
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#include "mozilla/gfx/gfxVars.h"
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#ifdef MOZ_X11
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struct _XDisplay;
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typedef struct _XDisplay Display;
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#endif // MOZ_X11
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namespace mozilla {
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namespace dom {
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class SystemFontListEntry;
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};
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}; // namespace mozilla
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class gfxPlatformGtk : public gfxPlatform {
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public:
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gfxPlatformGtk();
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virtual ~gfxPlatformGtk();
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static gfxPlatformGtk* GetPlatform() {
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return (gfxPlatformGtk*)gfxPlatform::GetPlatform();
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}
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void ReadSystemFontList(
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InfallibleTArray<mozilla::dom::SystemFontListEntry>* retValue) override;
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virtual already_AddRefed<gfxASurface> CreateOffscreenSurface(
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const IntSize& aSize, gfxImageFormat aFormat) override;
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virtual nsresult GetFontList(nsAtom* aLangGroup,
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const nsACString& aGenericFamily,
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nsTArray<nsString>& aListOfFonts) override;
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virtual nsresult UpdateFontList() override;
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virtual void GetCommonFallbackFonts(
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uint32_t aCh, uint32_t aNextCh, Script aRunScript,
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nsTArray<const char*>& aFontList) override;
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virtual gfxPlatformFontList* CreatePlatformFontList() 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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/**
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* Calls XFlush if xrender is enabled.
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*/
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virtual void FlushContentDrawing() override;
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FT_Library GetFTLibrary() override;
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static int32_t GetFontScaleDPI();
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static double GetFontScaleFactor();
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#ifdef MOZ_X11
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virtual void GetAzureBackendInfo(mozilla::widget::InfoObject& aObj) override {
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gfxPlatform::GetAzureBackendInfo(aObj);
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aObj.DefineProperty("CairoUseXRender", mozilla::gfx::gfxVars::UseXRender());
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}
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#endif
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bool UseImageOffscreenSurfaces();
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virtual gfxImageFormat GetOffscreenFormat() override;
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bool SupportsApzWheelInput() const override { return true; }
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void FontsPrefsChanged(const char* aPref) override;
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// maximum number of fonts to substitute for a generic
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uint32_t MaxGenericSubstitions();
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bool SupportsPluginDirectBitmapDrawing() override { return true; }
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bool AccelerateLayersByDefault() override;
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#ifdef MOZ_X11
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already_AddRefed<mozilla::gfx::VsyncSource> CreateHardwareVsyncSource()
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override;
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#endif
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#ifdef MOZ_X11
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Display* GetCompositorDisplay() { return mCompositorDisplay; }
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#endif // MOZ_X11
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#ifdef MOZ_WAYLAND
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void SetWaylandLastVsync(uint32_t aVsyncTimestamp) {
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mWaylandLastVsyncTimestamp = aVsyncTimestamp;
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}
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int64_t GetWaylandLastVsync() { return mWaylandLastVsyncTimestamp; }
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void SetWaylandFrameDelay(int64_t aFrameDelay) {
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mWaylandFrameDelay = aFrameDelay;
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}
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int64_t GetWaylandFrameDelay() { return mWaylandFrameDelay; }
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#endif
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protected:
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bool CheckVariationFontSupport() override;
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int8_t mMaxGenericSubstitutions;
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private:
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virtual void GetPlatformCMSOutputProfile(void*& mem, size_t& size) override;
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#ifdef MOZ_X11
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Display* mCompositorDisplay;
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#endif
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#ifdef MOZ_WAYLAND
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int64_t mWaylandLastVsyncTimestamp;
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int64_t mWaylandFrameDelay;
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#endif
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};
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#endif /* GFX_PLATFORM_GTK_H */
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