gecko/gfx/thebes/gfxFT2FontList.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 Mozilla Corporation code.
*
* The Initial Developer of the Original Code is Mozilla Corporation.
* Portions created by the Initial Developer are Copyright (C) 2009
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Stuart Parmenter <stuart@mozilla.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_FT2FONTLIST_H
#define GFX_FT2FONTLIST_H
#ifdef XP_WIN
#include "gfxWindowsPlatform.h"
#include <windows.h>
#endif
#include "gfxPlatformFontList.h"
namespace mozilla {
namespace dom {
class FontListEntry;
};
};
using mozilla::dom::FontListEntry;
class FontNameCache;
typedef struct FT_FaceRec_* FT_Face;
class FT2FontEntry : public gfxFontEntry
{
public:
FT2FontEntry(const nsAString& aFaceName) :
gfxFontEntry(aFaceName)
{
mFTFace = nsnull;
mFontFace = nsnull;
mFTFontIndex = 0;
}
~FT2FontEntry();
const nsString& GetName() const {
return Name();
}
// create a font entry for a downloaded font
static FT2FontEntry*
CreateFontEntry(const gfxProxyFontEntry &aProxyEntry,
const PRUint8 *aFontData, PRUint32 aLength);
// create a font entry representing an installed font, identified by
// a FontListEntry; the freetype and cairo faces will not be instantiated
// until actually needed
static FT2FontEntry*
CreateFontEntry(const FontListEntry& aFLE);
// create a font entry for a given freetype face; if it is an installed font,
// also record the filename and index
static FT2FontEntry*
CreateFontEntry(FT_Face aFace, const char *aFilename, PRUint8 aIndex,
const PRUint8 *aFontData = nsnull);
// aFontData is NS_Malloc'ed data that aFace depends on, to be freed
// after the face is destroyed; null if there is no such buffer
virtual gfxFont *CreateFontInstance(const gfxFontStyle *aFontStyle,
bool aNeedsBold);
cairo_font_face_t *CairoFontFace();
cairo_scaled_font_t *CreateScaledFont(const gfxFontStyle *aStyle);
nsresult ReadCMAP();
nsresult GetFontTable(PRUint32 aTableTag, FallibleTArray<PRUint8>& aBuffer);
FT_Face mFTFace;
cairo_font_face_t *mFontFace;
nsCString mFilename;
PRUint8 mFTFontIndex;
};
class FT2FontFamily : public gfxFontFamily
{
public:
FT2FontFamily(const nsAString& aName) :
gfxFontFamily(aName) { }
// Append this family's faces to the IPC fontlist
void AddFacesToFontList(InfallibleTArray<FontListEntry>* aFontList);
};
class gfxFT2FontList : public gfxPlatformFontList
{
public:
gfxFT2FontList();
virtual gfxFontEntry* GetDefaultFont(const gfxFontStyle* aStyle,
bool& aNeedsBold);
virtual gfxFontEntry* LookupLocalFont(const gfxProxyFontEntry *aProxyEntry,
const nsAString& aFontName);
virtual gfxFontEntry* MakePlatformFont(const gfxProxyFontEntry *aProxyEntry,
const PRUint8 *aFontData,
PRUint32 aLength);
void GetFontList(InfallibleTArray<FontListEntry>* retValue);
static gfxFT2FontList* PlatformFontList() {
return static_cast<gfxFT2FontList*>(gfxPlatformFontList::PlatformFontList());
}
protected:
virtual nsresult InitFontList();
void AppendFaceFromFontListEntry(const FontListEntry& aFLE,
bool isStdFile);
void AppendFacesFromFontFile(nsCString& aFileName,
bool isStdFile = false,
FontNameCache *aCache = nsnull);
void AppendFacesFromCachedFaceList(nsCString& aFileName,
bool isStdFile,
nsCString& aFaceList);
void FindFonts();
};
#endif /* GFX_FT2FONTLIST_H */