1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/gfx/thebes/gfxMacFont.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,83 @@
1.4 +/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
1.5 + * This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +
1.9 +#ifndef GFX_MACFONT_H
1.10 +#define GFX_MACFONT_H
1.11 +
1.12 +#include "mozilla/MemoryReporting.h"
1.13 +#include "gfxFont.h"
1.14 +#include "cairo.h"
1.15 +#include <ApplicationServices/ApplicationServices.h>
1.16 +
1.17 +class MacOSFontEntry;
1.18 +
1.19 +class gfxMacFont : public gfxFont
1.20 +{
1.21 +public:
1.22 + gfxMacFont(MacOSFontEntry *aFontEntry, const gfxFontStyle *aFontStyle,
1.23 + bool aNeedsBold);
1.24 +
1.25 + virtual ~gfxMacFont();
1.26 +
1.27 + CGFontRef GetCGFontRef() const { return mCGFont; }
1.28 +
1.29 + /* overrides for the pure virtual methods in gfxFont */
1.30 + virtual const gfxFont::Metrics& GetMetrics() {
1.31 + return mMetrics;
1.32 + }
1.33 +
1.34 + virtual uint32_t GetSpaceGlyph() {
1.35 + return mSpaceGlyph;
1.36 + }
1.37 +
1.38 + virtual bool SetupCairoFont(gfxContext *aContext);
1.39 +
1.40 + /* override Measure to add padding for antialiasing */
1.41 + virtual RunMetrics Measure(gfxTextRun *aTextRun,
1.42 + uint32_t aStart, uint32_t aEnd,
1.43 + BoundingBoxType aBoundingBoxType,
1.44 + gfxContext *aContextForTightBoundingBox,
1.45 + Spacing *aSpacing);
1.46 +
1.47 + virtual mozilla::TemporaryRef<mozilla::gfx::ScaledFont> GetScaledFont(mozilla::gfx::DrawTarget *aTarget);
1.48 +
1.49 + virtual void AddSizeOfExcludingThis(mozilla::MallocSizeOf aMallocSizeOf,
1.50 + FontCacheSizes* aSizes) const;
1.51 + virtual void AddSizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf,
1.52 + FontCacheSizes* aSizes) const;
1.53 +
1.54 + virtual FontType GetType() const { return FONT_TYPE_MAC; }
1.55 +
1.56 +protected:
1.57 + virtual void CreatePlatformShaper();
1.58 +
1.59 + // override to prefer CoreText shaping with fonts that depend on AAT
1.60 + virtual bool ShapeText(gfxContext *aContext,
1.61 + const char16_t *aText,
1.62 + uint32_t aOffset,
1.63 + uint32_t aLength,
1.64 + int32_t aScript,
1.65 + gfxShapedText *aShapedText,
1.66 + bool aPreferPlatformShaping = false);
1.67 +
1.68 + void InitMetrics();
1.69 + void InitMetricsFromPlatform();
1.70 +
1.71 + // Get width and glyph ID for a character; uses aConvFactor
1.72 + // to convert font units as returned by CG to actual dimensions
1.73 + gfxFloat GetCharWidth(CFDataRef aCmap, char16_t aUniChar,
1.74 + uint32_t *aGlyphID, gfxFloat aConvFactor);
1.75 +
1.76 + // a weak reference to the CoreGraphics font: this is owned by the
1.77 + // MacOSFontEntry, it is not retained or released by gfxMacFont
1.78 + CGFontRef mCGFont;
1.79 +
1.80 + cairo_font_face_t *mFontFace;
1.81 +
1.82 + Metrics mMetrics;
1.83 + uint32_t mSpaceGlyph;
1.84 +};
1.85 +
1.86 +#endif /* GFX_MACFONT_H */
