gecko-dev/gfx/2d/NativeFontResourceFreeType.h

76 строки
2.3 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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 "2D.h"
#include <cairo-ft.h>
#include "mozilla/UniquePtr.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(
uint8_t* aFontData, uint32_t aDataLength,
FT_Library aFTLibrary = nullptr);
already_AddRefed<UnscaledFont> CreateUnscaledFont(
uint32_t aIndex, const uint8_t* aInstanceData,
uint32_t aInstanceDataLength) override;
#endif
~NativeFontResourceFreeType();
FT_Face CloneFace();
protected:
NativeFontResourceFreeType(UniquePtr<uint8_t[]>&& aFontData,
uint32_t aDataLength, FT_Face aFace);
template <class T>
static already_AddRefed<T> CreateInternal(uint8_t* aFontData,
uint32_t aDataLength,
FT_Library aFTLibrary);
UniquePtr<uint8_t[]> mFontData;
uint32_t mDataLength;
FT_Face mFace;
};
#ifdef MOZ_WIDGET_GTK
class NativeFontResourceFontconfig final : public NativeFontResourceFreeType {
public:
MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(NativeFontResourceFontconfig,
override)
static already_AddRefed<NativeFontResourceFontconfig> Create(
uint8_t* aFontData, uint32_t aDataLength,
FT_Library aFTLibrary = nullptr);
already_AddRefed<UnscaledFont> CreateUnscaledFont(
uint32_t aIndex, const uint8_t* aInstanceData,
uint32_t aInstanceDataLength) final;
private:
friend class NativeFontResourceFreeType;
NativeFontResourceFontconfig(UniquePtr<uint8_t[]>&& aFontData,
uint32_t aDataLength, FT_Face aFace);
};
#endif
} // namespace gfx
} // namespace mozilla
#endif // mozilla_gfx_NativeFontResourceFreeType_h