1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/gfx/thebes/gfxCoreTextShaper.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,59 @@
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_CORETEXTSHAPER_H
1.10 +#define GFX_CORETEXTSHAPER_H
1.11 +
1.12 +#include "gfxFont.h"
1.13 +
1.14 +#include <ApplicationServices/ApplicationServices.h>
1.15 +
1.16 +class gfxMacFont;
1.17 +
1.18 +class gfxCoreTextShaper : public gfxFontShaper {
1.19 +public:
1.20 + gfxCoreTextShaper(gfxMacFont *aFont);
1.21 +
1.22 + virtual ~gfxCoreTextShaper();
1.23 +
1.24 + virtual bool ShapeText(gfxContext *aContext,
1.25 + const char16_t *aText,
1.26 + uint32_t aOffset,
1.27 + uint32_t aLength,
1.28 + int32_t aScript,
1.29 + gfxShapedText *aShapedText);
1.30 +
1.31 + // clean up static objects that may have been cached
1.32 + static void Shutdown();
1.33 +
1.34 +protected:
1.35 + CTFontRef mCTFont;
1.36 + CFDictionaryRef mAttributesDict;
1.37 +
1.38 + nsresult SetGlyphsFromRun(gfxShapedText *aShapedText,
1.39 + uint32_t aOffset,
1.40 + uint32_t aLength,
1.41 + CTRunRef aCTRun,
1.42 + int32_t aStringOffset);
1.43 +
1.44 + CTFontRef CreateCTFontWithDisabledLigatures(CGFloat aSize);
1.45 +
1.46 + static void CreateDefaultFeaturesDescriptor();
1.47 +
1.48 + static CTFontDescriptorRef GetDefaultFeaturesDescriptor() {
1.49 + if (sDefaultFeaturesDescriptor == nullptr) {
1.50 + CreateDefaultFeaturesDescriptor();
1.51 + }
1.52 + return sDefaultFeaturesDescriptor;
1.53 + }
1.54 +
1.55 + // cached font descriptor, created the first time it's needed
1.56 + static CTFontDescriptorRef sDefaultFeaturesDescriptor;
1.57 +
1.58 + // cached descriptor for adding disable-ligatures setting to a font
1.59 + static CTFontDescriptorRef sDisableLigaturesDescriptor;
1.60 +};
1.61 +
1.62 +#endif /* GFX_CORETEXTSHAPER_H */
