gfx/thebes/gfxAndroidPlatform.h

   1 /* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
   2  * This Source Code Form is subject to the terms of the Mozilla Public
   3  * License, v. 2.0. If a copy of the MPL was not distributed with this
   4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   5
   6 #ifndef GFX_PLATFORM_ANDROID_H
   7 #define GFX_PLATFORM_ANDROID_H
   8
   9 #include "gfxPlatform.h"
  10 #include "gfxUserFontSet.h"
  11 #include "nsCOMPtr.h"
  12 #include "nsTArray.h"
  13
  14 class gfxAndroidPlatform final : public gfxPlatform {
  15  public:
  16   gfxAndroidPlatform();
  17   virtual ~gfxAndroidPlatform();
  18
  19   static gfxAndroidPlatform* GetPlatform() {
  20     return (gfxAndroidPlatform*)gfxPlatform::GetPlatform();
  21   }
  22
  23   already_AddRefed<gfxASurface> CreateOffscreenSurface(
  24       const IntSize& aSize, gfxImageFormat aFormat) override;
  25
  26   gfxImageFormat GetOffscreenFormat() override { return mOffscreenFormat; }
  27
  28   // platform implementations of font functions
  29   bool CreatePlatformFontList() override;
  30
  31   void ReadSystemFontList(mozilla::dom::SystemFontList*) override;
  32
  33   void GetCommonFallbackFonts(uint32_t aCh, Script aRunScript,
  34                               eFontPresentation aPresentation,
  35                               nsTArray<const char*>& aFontList) override;
  36
  37   bool FontHintingEnabled() override;
  38   bool RequiresLinearZoom() override;
  39
  40   already_AddRefed<mozilla::gfx::VsyncSource> CreateGlobalHardwareVsyncSource()
  41       override;
  42
  43   static bool CheckVariationFontSupport();
  44
  45  protected:
  46   void InitAcceleration() override;
  47
  48   bool AccelerateLayersByDefault() override { return true; }
  49
  50  private:
  51   gfxImageFormat mOffscreenFormat;
  52 };
  53
  54 #endif /* GFX_PLATFORM_ANDROID_H */