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comparison: gfx/thebes/gfxMacFont.h
gfx/thebes/gfxMacFont.h
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
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| -1:000000000000 | 0:b67afb665ab2 |
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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_MACFONT_H | |
| 7 #define GFX_MACFONT_H | |
| 8 | |
| 9 #include "mozilla/MemoryReporting.h" | |
| 10 #include "gfxFont.h" | |
| 11 #include "cairo.h" | |
| 12 #include <ApplicationServices/ApplicationServices.h> | |
| 13 | |
| 14 class MacOSFontEntry; | |
| 15 | |
| 16 class gfxMacFont : public gfxFont | |
| 17 { | |
| 18 public: | |
| 19 gfxMacFont(MacOSFontEntry *aFontEntry, const gfxFontStyle *aFontStyle, | |
| 20 bool aNeedsBold); | |
| 21 | |
| 22 virtual ~gfxMacFont(); | |
| 23 | |
| 24 CGFontRef GetCGFontRef() const { return mCGFont; } | |
| 25 | |
| 26 /* overrides for the pure virtual methods in gfxFont */ | |
| 27 virtual const gfxFont::Metrics& GetMetrics() { | |
| 28 return mMetrics; | |
| 29 } | |
| 30 | |
| 31 virtual uint32_t GetSpaceGlyph() { | |
| 32 return mSpaceGlyph; | |
| 33 } | |
| 34 | |
| 35 virtual bool SetupCairoFont(gfxContext *aContext); | |
| 36 | |
| 37 /* override Measure to add padding for antialiasing */ | |
| 38 virtual RunMetrics Measure(gfxTextRun *aTextRun, | |
| 39 uint32_t aStart, uint32_t aEnd, | |
| 40 BoundingBoxType aBoundingBoxType, | |
| 41 gfxContext *aContextForTightBoundingBox, | |
| 42 Spacing *aSpacing); | |
| 43 | |
| 44 virtual mozilla::TemporaryRef<mozilla::gfx::ScaledFont> GetScaledFont(mozilla::gfx::DrawTarget *aTarget); | |
| 45 | |
| 46 virtual void AddSizeOfExcludingThis(mozilla::MallocSizeOf aMallocSizeOf, | |
| 47 FontCacheSizes* aSizes) const; | |
| 48 virtual void AddSizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf, | |
| 49 FontCacheSizes* aSizes) const; | |
| 50 | |
| 51 virtual FontType GetType() const { return FONT_TYPE_MAC; } | |
| 52 | |
| 53 protected: | |
| 54 virtual void CreatePlatformShaper(); | |
| 55 | |
| 56 // override to prefer CoreText shaping with fonts that depend on AAT | |
| 57 virtual bool ShapeText(gfxContext *aContext, | |
| 58 const char16_t *aText, | |
| 59 uint32_t aOffset, | |
| 60 uint32_t aLength, | |
| 61 int32_t aScript, | |
| 62 gfxShapedText *aShapedText, | |
| 63 bool aPreferPlatformShaping = false); | |
| 64 | |
| 65 void InitMetrics(); | |
| 66 void InitMetricsFromPlatform(); | |
| 67 | |
| 68 // Get width and glyph ID for a character; uses aConvFactor | |
| 69 // to convert font units as returned by CG to actual dimensions | |
| 70 gfxFloat GetCharWidth(CFDataRef aCmap, char16_t aUniChar, | |
| 71 uint32_t *aGlyphID, gfxFloat aConvFactor); | |
| 72 | |
| 73 // a weak reference to the CoreGraphics font: this is owned by the | |
| 74 // MacOSFontEntry, it is not retained or released by gfxMacFont | |
| 75 CGFontRef mCGFont; | |
| 76 | |
| 77 cairo_font_face_t *mFontFace; | |
| 78 | |
| 79 Metrics mMetrics; | |
| 80 uint32_t mSpaceGlyph; | |
| 81 }; | |
| 82 | |
| 83 #endif /* GFX_MACFONT_H */ |
