зеркало из https://github.com/mozilla/gecko-dev.git
108 строки
4.1 KiB
C++
108 строки
4.1 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef MOZILLA_GFX_UNSCALEDFONTFREETYPE_H_
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#define MOZILLA_GFX_UNSCALEDFONTFREETYPE_H_
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#include <cairo-ft.h>
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#include "2D.h"
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namespace mozilla {
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namespace gfx {
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class ScaledFontFreeType;
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class ScaledFontFontconfig;
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class UnscaledFontFreeType : public UnscaledFont {
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public:
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MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(UnscaledFontFreeType, override)
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explicit UnscaledFontFreeType(const RefPtr<SharedFTFace>& aFace)
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: mFace(aFace), mIndex(0) {}
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explicit UnscaledFontFreeType(const char* aFile, uint32_t aIndex = 0,
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RefPtr<SharedFTFace> aFace = nullptr)
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: mFace(std::move(aFace)), mFile(aFile), mIndex(aIndex) {}
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explicit UnscaledFontFreeType(std::string&& aFile, uint32_t aIndex = 0,
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RefPtr<SharedFTFace> aFace = nullptr)
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: mFace(std::move(aFace)), mFile(std::move(aFile)), mIndex(aIndex) {}
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FontType GetType() const override { return FontType::FREETYPE; }
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const RefPtr<SharedFTFace>& GetFace() const { return mFace; }
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const std::string& GetFile() const { return mFile; }
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uint32_t GetIndex() const { return mIndex; }
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bool GetFontFileData(FontFileDataOutput aDataCallback, void* aBaton) override;
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bool GetFontDescriptor(FontDescriptorOutput aCb, void* aBaton) override;
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RefPtr<SharedFTFace> InitFace();
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#ifdef MOZ_WIDGET_ANDROID
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static already_AddRefed<UnscaledFont> CreateFromFontDescriptor(
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const uint8_t* aData, uint32_t aDataLength, uint32_t aIndex);
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already_AddRefed<ScaledFont> CreateScaledFont(
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Float aGlyphSize, const uint8_t* aInstanceData,
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uint32_t aInstanceDataLength, const FontVariation* aVariations,
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uint32_t aNumVariations) override;
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already_AddRefed<ScaledFont> CreateScaledFontFromWRFont(
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Float aGlyphSize, const wr::FontInstanceOptions* aOptions,
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const wr::FontInstancePlatformOptions* aPlatformOptions,
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const FontVariation* aVariations, uint32_t aNumVariations) override;
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#endif
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protected:
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RefPtr<SharedFTFace> mFace;
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std::string mFile;
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uint32_t mIndex;
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friend class ScaledFontFreeType;
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friend class ScaledFontFontconfig;
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static void GetVariationSettingsFromFace(
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std::vector<FontVariation>* aVariations, FT_Face aFace);
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static void ApplyVariationsToFace(const FontVariation* aVariations,
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uint32_t aNumVariations, FT_Face aFace);
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};
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#ifdef MOZ_WIDGET_GTK
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class UnscaledFontFontconfig : public UnscaledFontFreeType {
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public:
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MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(UnscaledFontFontconfig, override)
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explicit UnscaledFontFontconfig(const RefPtr<SharedFTFace>& aFace)
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: UnscaledFontFreeType(aFace) {}
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explicit UnscaledFontFontconfig(const char* aFile, uint32_t aIndex = 0,
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RefPtr<SharedFTFace> aFace = nullptr)
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: UnscaledFontFreeType(aFile, aIndex, std::move(aFace)) {}
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explicit UnscaledFontFontconfig(std::string&& aFile, uint32_t aIndex = 0,
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RefPtr<SharedFTFace> aFace = nullptr)
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: UnscaledFontFreeType(std::move(aFile), aIndex, std::move(aFace)) {}
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FontType GetType() const override { return FontType::FONTCONFIG; }
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static already_AddRefed<UnscaledFont> CreateFromFontDescriptor(
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const uint8_t* aData, uint32_t aDataLength, uint32_t aIndex);
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already_AddRefed<ScaledFont> CreateScaledFont(
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Float aGlyphSize, const uint8_t* aInstanceData,
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uint32_t aInstanceDataLength, const FontVariation* aVariations,
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uint32_t aNumVariations) override;
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already_AddRefed<ScaledFont> CreateScaledFontFromWRFont(
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Float aGlyphSize, const wr::FontInstanceOptions* aOptions,
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const wr::FontInstancePlatformOptions* aPlatformOptions,
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const FontVariation* aVariations, uint32_t aNumVariations) override;
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};
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#endif
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} // namespace gfx
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} // namespace mozilla
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#endif /* MOZILLA_GFX_UNSCALEDFONTFREETYPE_H_ */
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