gecko/gfx/thebes/gfxCoreTextShaper.h

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/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is thebes gfx code.
*
* The Initial Developer of the Original Code is Mozilla Foundation.
* Portions created by the Initial Developer are Copyright (C) 2006-2009
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Vladimir Vukicevic <vladimir@pobox.com>
* Masayuki Nakano <masayuki@d-toybox.com>
* John Daggett <jdaggett@mozilla.com>
* Jonathan Kew <jfkthame@gmail.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#ifndef GFX_CORETEXTSHAPER_H
#define GFX_CORETEXTSHAPER_H
#include "gfxTypes.h"
#include "gfxFont.h"
#include "gfxFontUtils.h"
#include "gfxPlatform.h"
#include "gfxMacPlatformFontList.h"
#include <Carbon/Carbon.h>
class gfxMacFont;
class gfxCoreTextShaper : public gfxFontShaper {
public:
gfxCoreTextShaper(gfxMacFont *aFont);
virtual ~gfxCoreTextShaper();
virtual bool ShapeWord(gfxContext *aContext,
gfxShapedWord *aShapedWord,
const PRUnichar *aText);
// clean up static objects that may have been cached
static void Shutdown();
protected:
CTFontRef mCTFont;
CFDictionaryRef mAttributesDict;
nsresult SetGlyphsFromRun(gfxShapedWord *aShapedWord,
CTRunRef aCTRun,
PRInt32 aStringOffset);
CTFontRef CreateCTFontWithDisabledLigatures(CGFloat aSize);
static void CreateDefaultFeaturesDescriptor();
static CTFontDescriptorRef GetDefaultFeaturesDescriptor() {
if (sDefaultFeaturesDescriptor == NULL) {
CreateDefaultFeaturesDescriptor();
}
return sDefaultFeaturesDescriptor;
}
// cached font descriptor, created the first time it's needed
static CTFontDescriptorRef sDefaultFeaturesDescriptor;
// cached descriptor for adding disable-ligatures setting to a font
static CTFontDescriptorRef sDisableLigaturesDescriptor;
};
#endif /* GFX_CORETEXTSHAPER_H */