gecko/gfx/thebes/src/gfxFontconfigUtils.h

112 lines
3.9 KiB
C++

/* -*- 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 Mozilla Japan code.
*
* The Initial Developer of the Original Code is Mozilla Japan.
* Portions created by the Initial Developer are Copyright (C) 2007
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Masayuki Nakano <masayuki@d-toybox.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_FONTCONFIG_UTILS_H
#define GFX_FONTCONFIG_UTILS_H
#include "gfxPlatform.h"
#include "nsTArray.h"
#include "nsDataHashtable.h"
#include <fontconfig/fontconfig.h>
class gfxFontNameList : public nsTArray<nsString>
{
public:
THEBES_INLINE_DECL_REFCOUNTING(gfxFontList)
PRBool Exists(nsAString& aName);
};
class gfxFontconfigUtils {
public:
gfxFontconfigUtils();
static gfxFontconfigUtils* GetFontconfigUtils() {
if (!sUtils)
sUtils = new gfxFontconfigUtils();
return sUtils;
}
static void Shutdown();
nsresult GetFontList(const nsACString& aLangGroup,
const nsACString& aGenericFamily,
nsStringArray& aListOfFonts);
nsresult UpdateFontList();
nsresult ResolveFontName(const nsAString& aFontName,
gfxPlatform::FontResolverCallback aCallback,
void *aClosure, PRBool& aAborted);
nsresult GetStandardFamilyName(const nsAString& aFontName, nsAString& aFamilyName);
static PRUint8 GetThebesStyle(FcPattern *aPattern); // slant
static PRUint16 GetThebesWeight(FcPattern *aPattern);
/**
* @param aLangGroup [in] a Mozilla langGroup.
* @param aFcLang [out] returns a language suitable for fontconfig
* matching |aLangGroup| or an empty string if no match is found.
*/
static void GetSampleLangForGroup(const nsACString& aLangGroup,
nsACString *aFcLang);
protected:
static gfxFontconfigUtils* sUtils;
PRInt32 IsExistingFont(const nsACString& aFontName);
nsresult GetResolvedFonts(const nsACString& aName,
gfxFontNameList* aResult);
nsresult GetFontListInternal(nsCStringArray& aListOfFonts,
const nsACString *aLangGroup = nsnull);
nsresult UpdateFontListInternal(PRBool aForce = PR_FALSE);
nsCStringArray mFonts;
nsCStringArray mNonExistingFonts;
nsCStringArray mAliasForSingleFont;
nsCStringArray mAliasForMultiFonts;
nsDataHashtable<nsCStringHashKey, nsRefPtr<gfxFontNameList> > mAliasTable;
FcConfig *mLastConfig;
};
#endif /* GFX_FONTCONFIG_UTILS_H */