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

59 lines
1.8 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_NativeFontResourceGDI_h
#define mozilla_gfx_NativeFontResourceGDI_h
#include <windows.h>
#include "2D.h"
#include "mozilla/AlreadyAddRefed.h"
#include "mozilla/Vector.h"
#include "u16string.h"
namespace mozilla {
namespace gfx {
class NativeFontResourceGDI final : public NativeFontResource
{
public:
MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(NativeFontResourceGDI)
/**
* Creates a NativeFontResourceGDI 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.
* @param aNeedsCairo whether the ScaledFont created need a cairo scaled font
* @return Referenced NativeFontResourceGDI or nullptr if invalid.
*/
static already_AddRefed<NativeFontResourceGDI>
Create(uint8_t *aFontData, uint32_t aDataLength, bool aNeedsCairo);
~NativeFontResourceGDI();
already_AddRefed<ScaledFont>
CreateScaledFont(uint32_t aIndex, Float aGlyphSize,
const uint8_t* aInstanceData, uint32_t aInstanceDataLength) final;
private:
NativeFontResourceGDI(HANDLE aFontResourceHandle,
Vector<mozilla::u16string>&& aFontNames,
bool aNeedsCairo)
: mFontResourceHandle(aFontResourceHandle), mFontNames(Move(aFontNames))
, mNeedsCairo(aNeedsCairo)
{}
HANDLE mFontResourceHandle;
Vector<mozilla::u16string> mFontNames;
bool mNeedsCairo;
};
} // gfx
} // mozilla
#endif // mozilla_gfx_NativeFontResourceGDI_h