gecko-dev/gfx/thebes/gfxPlatformGtk.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_GTK_H
#define GFX_PLATFORM_GTK_H
#include "gfxPlatform.h"
#include "nsAutoRef.h"
#include "nsTArray.h"
#include "mozilla/gfx/gfxVars.h"
#ifdef MOZ_X11
struct _XDisplay;
typedef struct _XDisplay Display;
#endif // MOZ_X11
namespace mozilla {
namespace dom {
class SystemFontListEntry;
};
};
class gfxPlatformGtk : public gfxPlatform {
public:
gfxPlatformGtk();
virtual ~gfxPlatformGtk();
static gfxPlatformGtk *GetPlatform() {
return (gfxPlatformGtk*) gfxPlatform::GetPlatform();
}
void ReadSystemFontList(
InfallibleTArray<mozilla::dom::SystemFontListEntry>* retValue) override;
virtual already_AddRefed<gfxASurface>
CreateOffscreenSurface(const IntSize& aSize,
gfxImageFormat aFormat) override;
virtual nsresult GetFontList(nsAtom *aLangGroup,
const nsACString& aGenericFamily,
nsTArray<nsString>& aListOfFonts) override;
virtual nsresult UpdateFontList() override;
virtual void
GetCommonFallbackFonts(uint32_t aCh, uint32_t aNextCh,
Script aRunScript,
nsTArray<const char*>& aFontList) override;
virtual gfxPlatformFontList* CreatePlatformFontList() override;
virtual nsresult GetStandardFamilyName(const nsAString& aFontName,
nsAString& aFamilyName) override;
gfxFontGroup*
CreateFontGroup(const mozilla::FontFamilyList& aFontFamilyList,
const gfxFontStyle *aStyle,
gfxTextPerfMetrics* aTextPerf,
gfxUserFontSet *aUserFontSet,
gfxFloat aDevToCssSize) override;
/**
* Calls XFlush if xrender is enabled.
*/
virtual void FlushContentDrawing() override;
FT_Library GetFTLibrary() override;
static int32_t GetFontScaleDPI();
static double GetFontScaleFactor();
#ifdef MOZ_X11
virtual void GetAzureBackendInfo(mozilla::widget::InfoObject &aObj) override {
gfxPlatform::GetAzureBackendInfo(aObj);
aObj.DefineProperty("CairoUseXRender", mozilla::gfx::gfxVars::UseXRender());
}
#endif
bool UseImageOffscreenSurfaces();
virtual gfxImageFormat GetOffscreenFormat() override;
bool SupportsApzWheelInput() const override {
return true;
}
void FontsPrefsChanged(const char *aPref) override;
// maximum number of fonts to substitute for a generic
uint32_t MaxGenericSubstitions();
bool SupportsPluginDirectBitmapDrawing() override {
return true;
}
bool AccelerateLayersByDefault() override;
#ifdef GL_PROVIDER_GLX
already_AddRefed<mozilla::gfx::VsyncSource> CreateHardwareVsyncSource() override;
#endif
#ifdef MOZ_X11
Display* GetCompositorDisplay() {
return mCompositorDisplay;
}
#endif // MOZ_X11
protected:
bool CheckVariationFontSupport() override;
int8_t mMaxGenericSubstitutions;
private:
virtual void GetPlatformCMSOutputProfile(void *&mem,
size_t &size) override;
#ifdef MOZ_X11
Display* mCompositorDisplay;
#endif
};
#endif /* GFX_PLATFORM_GTK_H */