The Tor Browser / file comparison
comparison: gfx/thebes/gfxGraphiteShaper.h
gfx/thebes/gfxGraphiteShaper.h
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
equal
deleted
inserted
replaced
| -1:000000000000 | 0:4846ec13e69e |
|---|---|
| 1 /* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*- | |
| 2 * This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 #ifndef GFX_GRAPHITESHAPER_H | |
| 7 #define GFX_GRAPHITESHAPER_H | |
| 8 | |
| 9 #include "gfxFont.h" | |
| 10 | |
| 11 struct gr_face; | |
| 12 struct gr_font; | |
| 13 struct gr_segment; | |
| 14 | |
| 15 class gfxGraphiteShaper : public gfxFontShaper { | |
| 16 public: | |
| 17 gfxGraphiteShaper(gfxFont *aFont); | |
| 18 virtual ~gfxGraphiteShaper(); | |
| 19 | |
| 20 virtual bool ShapeText(gfxContext *aContext, | |
| 21 const char16_t *aText, | |
| 22 uint32_t aOffset, | |
| 23 uint32_t aLength, | |
| 24 int32_t aScript, | |
| 25 gfxShapedText *aShapedText); | |
| 26 | |
| 27 static void Shutdown(); | |
| 28 | |
| 29 protected: | |
| 30 nsresult SetGlyphsFromSegment(gfxContext *aContext, | |
| 31 gfxShapedText *aShapedText, | |
| 32 uint32_t aOffset, | |
| 33 uint32_t aLength, | |
| 34 const char16_t *aText, | |
| 35 gr_segment *aSegment); | |
| 36 | |
| 37 static float GrGetAdvance(const void* appFontHandle, uint16_t glyphid); | |
| 38 | |
| 39 gr_face *mGrFace; // owned by the font entry; shaper must call | |
| 40 // gfxFontEntry::ReleaseGrFace when finished with it | |
| 41 gr_font *mGrFont; // owned by the shaper itself | |
| 42 | |
| 43 struct CallbackData { | |
| 44 gfxFont *mFont; | |
| 45 gfxGraphiteShaper *mShaper; | |
| 46 gfxContext *mContext; | |
| 47 }; | |
| 48 | |
| 49 CallbackData mCallbackData; | |
| 50 | |
| 51 // Convert HTML 'lang' (BCP47) to Graphite language code | |
| 52 static uint32_t GetGraphiteTagForLang(const nsCString& aLang); | |
| 53 static nsTHashtable<nsUint32HashKey> *sLanguageTags; | |
| 54 }; | |
| 55 | |
| 56 #endif /* GFX_GRAPHITESHAPER_H */ |
