tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
Log | Files | Refs | README | LICENSE

UnscaledFontDWrite.h (2077B)

      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 <vector>
     13 
     14 #include "2D.h"
     15 
     16 namespace mozilla {
     17 namespace gfx {
     18 
     19 class ScaledFontDWrite;
     20 
     21 class UnscaledFontDWrite final : public UnscaledFont {
     22 public:
     23  MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(UnscaledFontDWrite, override)
     24  UnscaledFontDWrite(const RefPtr<IDWriteFontFace>& aFontFace,
     25                     const RefPtr<IDWriteFont>& aFont)
     26      : mFontFace(aFontFace), mFont(aFont) {}
     27 
     28  FontType GetType() const override { return FontType::DWRITE; }
     29 
     30  const RefPtr<IDWriteFontFace>& GetFontFace() const { return mFontFace; }
     31  const RefPtr<IDWriteFont>& GetFont() const { return mFont; }
     32 
     33  bool GetFontFileData(FontFileDataOutput aDataCallback, void* aBaton) override;
     34 
     35  already_AddRefed<ScaledFont> CreateScaledFont(
     36      Float aGlyphSize, const uint8_t* aInstanceData,
     37      uint32_t aInstanceDataLength, const FontVariation* aVariations,
     38      uint32_t aNumVariations) override;
     39 
     40  already_AddRefed<ScaledFont> CreateScaledFontFromWRFont(
     41      Float aGlyphSize, const wr::FontInstanceOptions* aOptions,
     42      const wr::FontInstancePlatformOptions* aPlatformOptions,
     43      const FontVariation* aVariations, uint32_t aNumVariations) override;
     44 
     45  bool GetFontDescriptor(FontDescriptorOutput aCb, void* aBaton) override;
     46 
     47  static already_AddRefed<UnscaledFont> CreateFromFontDescriptor(
     48      const uint8_t* aData, uint32_t aDataLength, uint32_t aIndex);
     49 
     50 private:
     51  bool InitBold();
     52 
     53  RefPtr<IDWriteFontFace> mFontFace;
     54  RefPtr<IDWriteFontFace> mFontFaceBold;
     55  RefPtr<IDWriteFont> mFont;
     56  std::vector<WCHAR> mFontFileName;
     57 };
     58 
     59 }  // namespace gfx
     60 }  // namespace mozilla
     61 
     62 #endif /* MOZILLA_GFX_UNSCALEDFONTDWRITE_H_ */