зеркало из https://github.com/mozilla/gecko-dev.git
131 строка
4.3 KiB
C++
131 строка
4.3 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_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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extern "C" {
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typedef struct _GdkDrawable GdkDrawable;
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}
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class gfxFontconfigUtils;
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#ifndef MOZ_PANGO
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class FontFamily;
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class FontEntry;
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typedef struct FT_LibraryRec_ *FT_Library;
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#endif
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class THEBES_API 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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already_AddRefed<gfxASurface> CreateOffscreenSurface(const gfxIntSize& size,
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gfxASurface::gfxContentType contentType);
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mozilla::RefPtr<mozilla::gfx::ScaledFont>
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GetScaledFontForFont(gfxFont *aFont);
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virtual bool SupportsAzure(mozilla::gfx::BackendType& aBackend);
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nsresult GetFontList(nsIAtom *aLangGroup,
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const nsACString& aGenericFamily,
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nsTArray<nsString>& aListOfFonts);
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nsresult UpdateFontList();
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nsresult ResolveFontName(const nsAString& aFontName,
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FontResolverCallback aCallback,
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void *aClosure, bool& aAborted);
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nsresult GetStandardFamilyName(const nsAString& aFontName, nsAString& aFamilyName);
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gfxFontGroup *CreateFontGroup(const nsAString &aFamilies,
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const gfxFontStyle *aStyle,
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gfxUserFontSet *aUserFontSet);
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#ifdef MOZ_PANGO
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/**
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* Look up a local platform font using the full font face name (needed to
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* support @font-face src local() )
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*/
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virtual gfxFontEntry* LookupLocalFont(const gfxProxyFontEntry *aProxyEntry,
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const nsAString& aFontName);
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/**
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* Activate a platform font (needed to support @font-face src url() )
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*
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*/
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virtual gfxFontEntry* MakePlatformFont(const gfxProxyFontEntry *aProxyEntry,
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const PRUint8 *aFontData,
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PRUint32 aLength);
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/**
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* Check whether format is supported on a platform or not (if unclear,
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* returns true).
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*/
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virtual bool IsFontFormatSupported(nsIURI *aFontURI,
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PRUint32 aFormatFlags);
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#endif
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#ifndef MOZ_PANGO
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FontFamily *FindFontFamily(const nsAString& aName);
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FontEntry *FindFontEntry(const nsAString& aFamilyName, const gfxFontStyle& aFontStyle);
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already_AddRefed<gfxFont> FindFontForChar(PRUint32 aCh, gfxFont *aFont);
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bool GetPrefFontEntries(const nsCString& aLangGroup, nsTArray<nsRefPtr<gfxFontEntry> > *aFontEntryList);
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void SetPrefFontEntries(const nsCString& aLangGroup, nsTArray<nsRefPtr<gfxFontEntry> >& aFontEntryList);
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#endif
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#ifndef MOZ_PANGO
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FT_Library GetFTLibrary();
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#endif
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static void SetGdkDrawable(gfxASurface *target,
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GdkDrawable *drawable);
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static GdkDrawable *GetGdkDrawable(gfxASurface *target);
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static PRInt32 GetDPI();
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static bool UseXRender() {
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#if defined(MOZ_X11) && defined(MOZ_PLATFORM_MAEMO)
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// XRender is not accelerated on the Maemo at the moment, and
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// X server pixman is out of our control; it's likely to be
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// older than (our) cairo's. So fall back on software
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// rendering for more predictable performance.
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// This setting will likely not be relevant when we have
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// GL-accelerated compositing. We know of other platforms
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// with bad drivers where we'd like to also use client side
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// rendering, but until we have the ability to featuer test
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// this, we'll only disable this for maemo.
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return true;
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#elif defined(MOZ_X11)
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return sUseXRender;
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#else
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return false;
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#endif
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}
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virtual gfxImageFormat GetOffscreenFormat();
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protected:
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static gfxFontconfigUtils *sFontconfigUtils;
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private:
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virtual qcms_profile *GetPlatformCMSOutputProfile();
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#ifdef MOZ_X11
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static bool sUseXRender;
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#endif
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};
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#endif /* GFX_PLATFORM_GTK_H */
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