зеркало из https://github.com/mozilla/gecko-dev.git
64 строки
2.0 KiB
C++
64 строки
2.0 KiB
C++
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef GFX_CORETEXTSHAPER_H
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#define GFX_CORETEXTSHAPER_H
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#include "gfxTypes.h"
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#include "gfxFont.h"
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#include "gfxFontUtils.h"
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#include "gfxPlatform.h"
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#include "gfxMacPlatformFontList.h"
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#include <Carbon/Carbon.h>
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class gfxMacFont;
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class gfxCoreTextShaper : public gfxFontShaper {
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public:
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gfxCoreTextShaper(gfxMacFont *aFont);
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virtual ~gfxCoreTextShaper();
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virtual bool ShapeText(gfxContext *aContext,
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const PRUnichar *aText,
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uint32_t aOffset,
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uint32_t aLength,
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int32_t aScript,
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gfxShapedText *aShapedText);
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// clean up static objects that may have been cached
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static void Shutdown();
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protected:
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CTFontRef mCTFont;
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CFDictionaryRef mAttributesDict;
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nsresult SetGlyphsFromRun(gfxShapedText *aShapedText,
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uint32_t aOffset,
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uint32_t aLength,
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CTRunRef aCTRun,
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int32_t aStringOffset);
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CTFontRef CreateCTFontWithDisabledLigatures(CGFloat aSize);
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static void CreateDefaultFeaturesDescriptor();
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static CTFontDescriptorRef GetDefaultFeaturesDescriptor() {
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if (sDefaultFeaturesDescriptor == NULL) {
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CreateDefaultFeaturesDescriptor();
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}
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return sDefaultFeaturesDescriptor;
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}
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// cached font descriptor, created the first time it's needed
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static CTFontDescriptorRef sDefaultFeaturesDescriptor;
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// cached descriptor for adding disable-ligatures setting to a font
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static CTFontDescriptorRef sDisableLigaturesDescriptor;
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};
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#endif /* GFX_CORETEXTSHAPER_H */
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