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Diffstat (limited to 'gfx/2d/UnscaledFontFreeType.h')
-rw-r--r-- | gfx/2d/UnscaledFontFreeType.h | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/gfx/2d/UnscaledFontFreeType.h b/gfx/2d/UnscaledFontFreeType.h new file mode 100644 index 0000000000..2194c8e776 --- /dev/null +++ b/gfx/2d/UnscaledFontFreeType.h @@ -0,0 +1,110 @@ +/* -*- 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_UNSCALEDFONTFREETYPE_H_ +#define MOZILLA_GFX_UNSCALEDFONTFREETYPE_H_ + +#include <cairo-ft.h> + +#include "2D.h" + +namespace mozilla { +namespace gfx { + +class ScaledFontFreeType; +class ScaledFontFontconfig; + +class UnscaledFontFreeType : public UnscaledFont { + public: + MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(UnscaledFontFreeType, override) + explicit UnscaledFontFreeType(const RefPtr<SharedFTFace>& aFace) + : mFace(aFace), mIndex(0) {} + explicit UnscaledFontFreeType(const char* aFile, uint32_t aIndex = 0, + RefPtr<SharedFTFace> aFace = nullptr) + : mFace(std::move(aFace)), mFile(aFile), mIndex(aIndex) {} + explicit UnscaledFontFreeType(std::string&& aFile, uint32_t aIndex = 0, + RefPtr<SharedFTFace> aFace = nullptr) + : mFace(std::move(aFace)), mFile(std::move(aFile)), mIndex(aIndex) {} + + FontType GetType() const override { return FontType::FREETYPE; } + + const RefPtr<SharedFTFace>& GetFace() const { return mFace; } + const std::string& GetFile() const { return mFile; } + uint32_t GetIndex() const { return mIndex; } + + bool GetFontFileData(FontFileDataOutput aDataCallback, void* aBaton) override; + + bool GetFontDescriptor(FontDescriptorOutput aCb, void* aBaton) override; + + RefPtr<SharedFTFace> InitFace(); + +#ifdef MOZ_WIDGET_ANDROID + static already_AddRefed<UnscaledFont> CreateFromFontDescriptor( + const uint8_t* aData, uint32_t aDataLength, uint32_t aIndex); + + already_AddRefed<ScaledFont> CreateScaledFont( + Float aGlyphSize, const uint8_t* aInstanceData, + uint32_t aInstanceDataLength, const FontVariation* aVariations, + uint32_t aNumVariations) override; + + already_AddRefed<ScaledFont> CreateScaledFontFromWRFont( + Float aGlyphSize, const wr::FontInstanceOptions* aOptions, + const wr::FontInstancePlatformOptions* aPlatformOptions, + const FontVariation* aVariations, uint32_t aNumVariations) override; +#endif + + protected: + RefPtr<SharedFTFace> mFace; + std::string mFile; + uint32_t mIndex; + + friend class ScaledFontFreeType; + friend class ScaledFontFontconfig; + + static void GetVariationSettingsFromFace( + std::vector<FontVariation>* aVariations, FT_Face aFace); + + static void ApplyVariationsToFace(const FontVariation* aVariations, + uint32_t aNumVariations, FT_Face aFace); +}; + +#ifdef MOZ_WIDGET_GTK +class UnscaledFontFontconfig : public UnscaledFontFreeType { + public: + MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(UnscaledFontFontconfig, override) + explicit UnscaledFontFontconfig(const RefPtr<SharedFTFace>& aFace) + : UnscaledFontFreeType(aFace) {} + explicit UnscaledFontFontconfig(const char* aFile, uint32_t aIndex = 0, + RefPtr<SharedFTFace> aFace = nullptr) + : UnscaledFontFreeType(aFile, aIndex, std::move(aFace)) {} + explicit UnscaledFontFontconfig(std::string&& aFile, uint32_t aIndex = 0, + RefPtr<SharedFTFace> aFace = nullptr) + : UnscaledFontFreeType(std::move(aFile), aIndex, std::move(aFace)) {} + + FontType GetType() const override { return FontType::FONTCONFIG; } + + static already_AddRefed<UnscaledFont> CreateFromFontDescriptor( + const uint8_t* aData, uint32_t aDataLength, uint32_t aIndex); + + already_AddRefed<ScaledFont> CreateScaledFont( + Float aGlyphSize, const uint8_t* aInstanceData, + uint32_t aInstanceDataLength, const FontVariation* aVariations, + uint32_t aNumVariations) override; + + already_AddRefed<ScaledFont> CreateScaledFontFromWRFont( + Float aGlyphSize, const wr::FontInstanceOptions* aOptions, + const wr::FontInstancePlatformOptions* aPlatformOptions, + const FontVariation* aVariations, uint32_t aNumVariations) override; +}; + +extern bool FcPatternAllowsBitmaps(FcPattern* aPattern, bool aAntialias, + bool aHinting); +#endif + +} // namespace gfx +} // namespace mozilla + +#endif /* MOZILLA_GFX_UNSCALEDFONTFREETYPE_H_ */ |