NativeFontResourceFreeType.h

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/* 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 mozilla_gfx_NativeFontResourceFreeType_h

#define mozilla_gfx_NativeFontResourceFreeType_h

#include <cairo-ft.h>

#include "2D.h"

namespace mozilla {

namespace gfx {

class NativeFontResourceFreeType : public NativeFontResource {

 public:

  MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(NativeFontResourceFreeType, override)

#ifdef MOZ_WIDGET_ANDROID

  static already_AddRefed<NativeFontResourceFreeType> Create(

      const uint8_t* aFontData, uint32_t aDataLength);

  already_AddRefed<UnscaledFont> CreateUnscaledFont(

      uint32_t aIndex, const uint8_t* aInstanceData,

      uint32_t aInstanceDataLength) override;

#endif

  ~NativeFontResourceFreeType();

  already_AddRefed<SharedFTFace> CloneFace(int aFaceIndex = 0);

 protected:

  NativeFontResourceFreeType(const uint8_t*&& aFontData, uint32_t aDataLength);

  template <class T>

  static already_AddRefed<T> CreateInternal(const uint8_t* aFontData,

                                            uint32_t aDataLength);

  RefPtr<FontData> mFontData;

};

#ifdef MOZ_WIDGET_GTK

class NativeFontResourceFontconfig final : public NativeFontResourceFreeType {

 public:

  MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(NativeFontResourceFontconfig,

                                          override)

  static already_AddRefed<NativeFontResourceFontconfig> Create(

      const uint8_t* aFontData, uint32_t aDataLength);

  already_AddRefed<UnscaledFont> CreateUnscaledFont(

      uint32_t aIndex, const uint8_t* aInstanceData,

      uint32_t aInstanceDataLength) final;

 private:

  friend class NativeFontResourceFreeType;

  NativeFontResourceFontconfig(const uint8_t*&& aFontData,

                               uint32_t aDataLength);

};

#endif

}  // namespace gfx

}  // namespace mozilla

#endif  // mozilla_gfx_NativeFontResourceFreeType_h