/* -*- 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_NativeFontResourceDWrite_h
#define mozilla_gfx_NativeFontResourceDWrite_h
#include <dwrite.h>
#include "2D.h"
#include "mozilla/AlreadyAddRefed.h"
namespace mozilla {
namespace gfx {
class NativeFontResourceDWrite final :
public NativeFontResource {
public:
MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(NativeFontResourceDWrite, override)
/**
* Creates a NativeFontResourceDWrite if data is valid. Note aFontData will be
* copied if required and so can be released after calling.
*
* @param aFontData the SFNT data.
* @param aDataLength length of data.
* @return Referenced NativeFontResourceDWrite or nullptr if invalid.
*/
static already_AddRefed<NativeFontResourceDWrite> Create(
uint8_t* aFontData, uint32_t aDataLength);
already_AddRefed<UnscaledFont> CreateUnscaledFont(
uint32_t aIndex,
const uint8_t* aInstanceData,
uint32_t aInstanceDataLength) final;
private:
NativeFontResourceDWrite(
IDWriteFactory* aFactory, already_AddRefed<IDWriteFontFile> aFontFile,
already_AddRefed<IDWriteFontFileStream> aFontFileStream,
DWRITE_FONT_FACE_TYPE aFaceType, uint32_t aNumberOfFaces,
size_t aDataLength)
: NativeFontResource(aDataLength),
mFactory(aFactory),
mFontFile(aFontFile),
mFontFileStream(aFontFileStream),
mFaceType(aFaceType),
mNumberOfFaces(aNumberOfFaces) {}
IDWriteFactory* mFactory;
RefPtr<IDWriteFontFile> mFontFile;
RefPtr<IDWriteFontFileStream> mFontFileStream;
DWRITE_FONT_FACE_TYPE mFaceType;
uint32_t mNumberOfFaces;
};
}
// namespace gfx
}
// namespace mozilla
#endif // mozilla_gfx_NativeFontResourceDWrite_h
