gfx/thebes/gfxAndroidPlatform.h
author Cristian Tuns <ctuns@mozilla.com>
Fri, 24 Sep 2021 14:42:22 -0400
changeset 593147 0b4005ebc9776ff43d99d1427c1a1fd2e14d9a44
parent 579884 a01eaeed432ab996a3f5275229be89814e92b95a
permissions -rw-r--r--
Backed out changeset dd075a074e45 (bug 1730518) for causing content crashes (bug 1732479). CLOSED TREE

/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
 * 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_ANDROID_H
#define GFX_PLATFORM_ANDROID_H

#include "gfxPlatform.h"
#include "gfxUserFontSet.h"
#include "nsCOMPtr.h"
#include "nsTArray.h"

class gfxAndroidPlatform final : public gfxPlatform {
 public:
  gfxAndroidPlatform();
  virtual ~gfxAndroidPlatform();

  static gfxAndroidPlatform* GetPlatform() {
    return (gfxAndroidPlatform*)gfxPlatform::GetPlatform();
  }

  already_AddRefed<gfxASurface> CreateOffscreenSurface(
      const IntSize& aSize, gfxImageFormat aFormat) override;

  gfxImageFormat GetOffscreenFormat() override { return mOffscreenFormat; }

  // platform implementations of font functions
  bool CreatePlatformFontList() override;

  void ReadSystemFontList(mozilla::dom::SystemFontList*) override;

  void GetCommonFallbackFonts(uint32_t aCh, Script aRunScript,
                              eFontPresentation aPresentation,
                              nsTArray<const char*>& aFontList) override;

  bool FontHintingEnabled() override;
  bool RequiresLinearZoom() override;

  already_AddRefed<mozilla::gfx::VsyncSource> CreateHardwareVsyncSource()
      override;

 protected:
  void InitAcceleration() override;

  bool AccelerateLayersByDefault() override { return true; }

  bool CheckVariationFontSupport() override {
    // We build with in-tree FreeType, so we know it is a new enough
    // version to support variations.
    return true;
  }

 private:
  gfxImageFormat mOffscreenFormat;
};

#endif /* GFX_PLATFORM_ANDROID_H */