1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 1.2 +++ b/gfx/thebes/gfxPlatformGtk.h Wed Dec 31 06:09:35 2014 +0100 1.3 @@ -0,0 +1,111 @@ 1.4 +/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*- 1.5 + * This Source Code Form is subject to the terms of the Mozilla Public 1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this 1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ 1.8 + 1.9 +#ifndef GFX_PLATFORM_GTK_H 1.10 +#define GFX_PLATFORM_GTK_H 1.11 + 1.12 +#include "gfxPlatform.h" 1.13 +#include "nsAutoRef.h" 1.14 +#include "nsTArray.h" 1.15 + 1.16 +#if (MOZ_WIDGET_GTK == 2) 1.17 +extern "C" { 1.18 + typedef struct _GdkDrawable GdkDrawable; 1.19 +} 1.20 +#endif 1.21 + 1.22 +class gfxFontconfigUtils; 1.23 + 1.24 +class gfxPlatformGtk : public gfxPlatform { 1.25 +public: 1.26 + gfxPlatformGtk(); 1.27 + virtual ~gfxPlatformGtk(); 1.28 + 1.29 + static gfxPlatformGtk *GetPlatform() { 1.30 + return (gfxPlatformGtk*) gfxPlatform::GetPlatform(); 1.31 + } 1.32 + 1.33 + virtual already_AddRefed<gfxASurface> 1.34 + CreateOffscreenSurface(const IntSize& size, 1.35 + gfxContentType contentType) MOZ_OVERRIDE; 1.36 + 1.37 + mozilla::TemporaryRef<mozilla::gfx::ScaledFont> 1.38 + GetScaledFontForFont(mozilla::gfx::DrawTarget* aTarget, gfxFont *aFont); 1.39 + 1.40 + nsresult GetFontList(nsIAtom *aLangGroup, 1.41 + const nsACString& aGenericFamily, 1.42 + nsTArray<nsString>& aListOfFonts); 1.43 + 1.44 + nsresult UpdateFontList(); 1.45 + 1.46 + nsresult ResolveFontName(const nsAString& aFontName, 1.47 + FontResolverCallback aCallback, 1.48 + void *aClosure, bool& aAborted); 1.49 + 1.50 + nsresult GetStandardFamilyName(const nsAString& aFontName, nsAString& aFamilyName); 1.51 + 1.52 + gfxFontGroup *CreateFontGroup(const nsAString &aFamilies, 1.53 + const gfxFontStyle *aStyle, 1.54 + gfxUserFontSet *aUserFontSet); 1.55 + 1.56 + /** 1.57 + * Look up a local platform font using the full font face name (needed to 1.58 + * support @font-face src local() ) 1.59 + */ 1.60 + virtual gfxFontEntry* LookupLocalFont(const gfxProxyFontEntry *aProxyEntry, 1.61 + const nsAString& aFontName); 1.62 + 1.63 + /** 1.64 + * Activate a platform font (needed to support @font-face src url() ) 1.65 + * 1.66 + */ 1.67 + virtual gfxFontEntry* MakePlatformFont(const gfxProxyFontEntry *aProxyEntry, 1.68 + const uint8_t *aFontData, 1.69 + uint32_t aLength); 1.70 + 1.71 + /** 1.72 + * Check whether format is supported on a platform or not (if unclear, 1.73 + * returns true). 1.74 + */ 1.75 + virtual bool IsFontFormatSupported(nsIURI *aFontURI, 1.76 + uint32_t aFormatFlags); 1.77 + 1.78 +#if (MOZ_WIDGET_GTK == 2) 1.79 + static void SetGdkDrawable(cairo_surface_t *target, 1.80 + GdkDrawable *drawable); 1.81 + static GdkDrawable *GetGdkDrawable(cairo_surface_t *target); 1.82 +#endif 1.83 + 1.84 + static int32_t GetDPI(); 1.85 + 1.86 + bool UseXRender() { 1.87 +#if defined(MOZ_X11) 1.88 + if (GetContentBackend() != mozilla::gfx::BackendType::NONE && 1.89 + GetContentBackend() != mozilla::gfx::BackendType::CAIRO) 1.90 + return false; 1.91 + 1.92 + return sUseXRender; 1.93 +#else 1.94 + return false; 1.95 +#endif 1.96 + } 1.97 + 1.98 + virtual gfxImageFormat GetOffscreenFormat(); 1.99 + 1.100 + virtual int GetScreenDepth() const; 1.101 + 1.102 +protected: 1.103 + static gfxFontconfigUtils *sFontconfigUtils; 1.104 + 1.105 +private: 1.106 + virtual void GetPlatformCMSOutputProfile(void *&mem, size_t &size); 1.107 + 1.108 + virtual bool SupportsOffMainThreadCompositing(); 1.109 +#ifdef MOZ_X11 1.110 + static bool sUseXRender; 1.111 +#endif 1.112 +}; 1.113 + 1.114 +#endif /* GFX_PLATFORM_GTK_H */