/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*- * 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 GFX_GRAPHITESHAPER_H #define GFX_GRAPHITESHAPER_H #include "gfxFont.h" #include "mozilla/gfx/2D.h" struct gr_face; struct gr_font; struct gr_segment; class gfxGraphiteShaper : public gfxFontShaper { public: explicit gfxGraphiteShaper(gfxFont *aFont); virtual ~gfxGraphiteShaper(); virtual bool ShapeText(DrawTarget *aDrawTarget, const char16_t *aText, uint32_t aOffset, uint32_t aLength, Script aScript, bool aVertical, gfxShapedText *aShapedText); static void Shutdown(); protected: nsresult SetGlyphsFromSegment(DrawTarget *aDrawTarget, gfxShapedText *aShapedText, uint32_t aOffset, uint32_t aLength, const char16_t *aText, gr_segment *aSegment); static float GrGetAdvance(const void* appFontHandle, uint16_t glyphid); gr_face *mGrFace; // owned by the font entry; shaper must call // gfxFontEntry::ReleaseGrFace when finished with it gr_font *mGrFont; // owned by the shaper itself struct CallbackData { gfxFont* mFont; mozilla::gfx::DrawTarget* mDrawTarget; }; CallbackData mCallbackData; bool mFallbackToSmallCaps; // special fallback for the petite-caps case // Convert HTML 'lang' (BCP47) to Graphite language code static uint32_t GetGraphiteTagForLang(const nsCString& aLang); static nsTHashtable<nsUint32HashKey> *sLanguageTags; }; #endif /* GFX_GRAPHITESHAPER_H */