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comparison: gfx/thebes/gfxCoreTextShaper.h
gfx/thebes/gfxCoreTextShaper.h
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| 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_CORETEXTSHAPER_H | |
| 7 #define GFX_CORETEXTSHAPER_H | |
| 8 | |
| 9 #include "gfxFont.h" | |
| 10 | |
| 11 #include <ApplicationServices/ApplicationServices.h> | |
| 12 | |
| 13 class gfxMacFont; | |
| 14 | |
| 15 class gfxCoreTextShaper : public gfxFontShaper { | |
| 16 public: | |
| 17 gfxCoreTextShaper(gfxMacFont *aFont); | |
| 18 | |
| 19 virtual ~gfxCoreTextShaper(); | |
| 20 | |
| 21 virtual bool ShapeText(gfxContext *aContext, | |
| 22 const char16_t *aText, | |
| 23 uint32_t aOffset, | |
| 24 uint32_t aLength, | |
| 25 int32_t aScript, | |
| 26 gfxShapedText *aShapedText); | |
| 27 | |
| 28 // clean up static objects that may have been cached | |
| 29 static void Shutdown(); | |
| 30 | |
| 31 protected: | |
| 32 CTFontRef mCTFont; | |
| 33 CFDictionaryRef mAttributesDict; | |
| 34 | |
| 35 nsresult SetGlyphsFromRun(gfxShapedText *aShapedText, | |
| 36 uint32_t aOffset, | |
| 37 uint32_t aLength, | |
| 38 CTRunRef aCTRun, | |
| 39 int32_t aStringOffset); | |
| 40 | |
| 41 CTFontRef CreateCTFontWithDisabledLigatures(CGFloat aSize); | |
| 42 | |
| 43 static void CreateDefaultFeaturesDescriptor(); | |
| 44 | |
| 45 static CTFontDescriptorRef GetDefaultFeaturesDescriptor() { | |
| 46 if (sDefaultFeaturesDescriptor == nullptr) { | |
| 47 CreateDefaultFeaturesDescriptor(); | |
| 48 } | |
| 49 return sDefaultFeaturesDescriptor; | |
| 50 } | |
| 51 | |
| 52 // cached font descriptor, created the first time it's needed | |
| 53 static CTFontDescriptorRef sDefaultFeaturesDescriptor; | |
| 54 | |
| 55 // cached descriptor for adding disable-ligatures setting to a font | |
| 56 static CTFontDescriptorRef sDisableLigaturesDescriptor; | |
| 57 }; | |
| 58 | |
| 59 #endif /* GFX_CORETEXTSHAPER_H */ |
