1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ 2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */ 3 /* This Source Code Form is subject to the terms of the Mozilla Public 4 * License, v. 2.0. If a copy of the MPL was not distributed with this 5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ 6 7 #ifndef MOZILLA_GFX_UNSCALEDFONTDWRITE_H_ 8 #define MOZILLA_GFX_UNSCALEDFONTDWRITE_H_ 9 10 #include <dwrite.h> 11 12 #include "2D.h" 13 14 namespace mozilla { 15 namespace gfx { 16 17 class ScaledFontDWrite; 18 19 class UnscaledFontDWrite final : public UnscaledFont { 20 public: MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(UnscaledFontDWrite,override)21 MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(UnscaledFontDWrite, override) 22 UnscaledFontDWrite(const RefPtr<IDWriteFontFace>& aFontFace, 23 const RefPtr<IDWriteFont>& aFont) 24 : mFontFace(aFontFace), mFont(aFont) {} 25 GetType()26 FontType GetType() const override { return FontType::DWRITE; } 27 GetFontFace()28 const RefPtr<IDWriteFontFace>& GetFontFace() const { return mFontFace; } GetFont()29 const RefPtr<IDWriteFont>& GetFont() const { return mFont; } 30 31 bool GetFontFileData(FontFileDataOutput aDataCallback, void* aBaton) override; 32 33 already_AddRefed<ScaledFont> CreateScaledFont( 34 Float aGlyphSize, const uint8_t* aInstanceData, 35 uint32_t aInstanceDataLength, const FontVariation* aVariations, 36 uint32_t aNumVariations) override; 37 38 already_AddRefed<ScaledFont> CreateScaledFontFromWRFont( 39 Float aGlyphSize, const wr::FontInstanceOptions* aOptions, 40 const wr::FontInstancePlatformOptions* aPlatformOptions, 41 const FontVariation* aVariations, uint32_t aNumVariations) override; 42 43 bool GetFontDescriptor(FontDescriptorOutput aCb, void* aBaton) override; 44 45 static already_AddRefed<UnscaledFont> CreateFromFontDescriptor( 46 const uint8_t* aData, uint32_t aDataLength, uint32_t aIndex); 47 48 private: 49 bool InitBold(); 50 51 RefPtr<IDWriteFontFace> mFontFace; 52 RefPtr<IDWriteFontFace> mFontFaceBold; 53 RefPtr<IDWriteFont> mFont; 54 }; 55 56 } // namespace gfx 57 } // namespace mozilla 58 59 #endif /* MOZILLA_GFX_UNSCALEDFONTDWRITE_H_ */ 60