gecko-dev/gfx/thebes/gfxFT2FontBase.h

78 lines
3.1 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 Foundation code.
*
* The Initial Developer of the Original Code is Mozilla Foundation.
* Portions created by the Initial Developer are Copyright (C) 2009
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Vladimir Vukicevic <vladimir@mozilla.com>
* Masayuki Nakano <masayuki@d-toybox.com>
* Behdad Esfahbod <behdad@gnome.org>
* Mats Palmgren <mats.palmgren@bredband.net>
* Karl Tomlinson <karlt+@karlt.net>, Mozilla Corporation
* Takuro Ashie <ashie@clear-code.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_FT2FONTBASE_H
#define GFX_FT2FONTBASE_H
#include "cairo.h"
#include "gfxContext.h"
#include "gfxFont.h"
class gfxFT2FontBase : public gfxFont {
public:
gfxFT2FontBase(cairo_scaled_font_t *aScaledFont,
gfxFontEntry *aFontEntry,
const gfxFontStyle *aFontStyle);
virtual ~gfxFT2FontBase();
PRUint32 GetGlyph(PRUint32 aCharCode);
void GetGlyphExtents(PRUint32 aGlyph,
cairo_text_extents_t* aExtents);
virtual const gfxFont::Metrics& GetMetrics();
virtual PRUint32 GetSpaceGlyph();
virtual hb_blob_t *GetFontTable(PRUint32 aTag);
virtual bool ProvidesGetGlyph() const { return true; }
virtual PRUint32 GetGlyph(PRUint32 unicode, PRUint32 variation_selector);
virtual bool ProvidesGlyphWidths() { return true; }
virtual PRInt32 GetGlyphWidth(gfxContext *aCtx, PRUint16 aGID);
cairo_scaled_font_t *CairoScaledFont() { return mScaledFont; };
virtual bool SetupCairoFont(gfxContext *aContext);
protected:
PRUint32 mSpaceGlyph;
bool mHasMetrics;
Metrics mMetrics;
};
#endif /* GFX_FT2FONTBASE_H */