gecko/gfx/thebes/gfxMacFont.h

106 lines
3.7 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 Corporation code.
*
* The Initial Developer of the Original Code is Mozilla Foundation.
* Portions created by the Initial Developer are Copyright (C) 2006-2010
* 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_MACFONT_H
#define GFX_MACFONT_H
#include "gfxFont.h"
#include "gfxMacPlatformFontList.h"
#include "cairo.h"
class gfxMacFont : public gfxFont
{
public:
gfxMacFont(MacOSFontEntry *aFontEntry, const gfxFontStyle *aFontStyle,
PRBool aNeedsBold);
virtual ~gfxMacFont();
ATSFontRef GetATSFontRef() const { return mATSFont; }
CGFontRef GetCGFontRef() const { return mCGFont; }
virtual PRBool InitTextRun(gfxContext *aContext,
gfxTextRun *aTextRun,
const PRUnichar *aString,
PRUint32 aRunStart,
PRUint32 aRunLength,
PRInt32 aRunScript);
/* overrides for the pure virtual methods in gfxFont */
virtual const gfxFont::Metrics& GetMetrics() {
return mMetrics;
}
virtual PRUint32 GetSpaceGlyph() {
return mSpaceGlyph;
}
virtual PRBool SetupCairoFont(gfxContext *aContext);
// override gfxFont table access function to bypass gfxFontEntry cache,
// use CGFontRef API to get direct access to system font data
virtual hb_blob_t *GetFontTable(PRUint32 aTag);
protected:
virtual void CreatePlatformShaper();
void InitMetrics();
void InitMetricsFromATSMetrics();
// Get width and glyph ID for a character; requires that
// mFUnitsConvFactor has been set before this is called
gfxFloat GetCharWidth(CFDataRef aCmap, PRUnichar aUniChar,
PRUint32 *aGlyphID);
static void DestroyBlobFunc(void* aUserData);
ATSFontRef mATSFont;
CGFontRef mCGFont;
cairo_font_face_t *mFontFace;
cairo_scaled_font_t *mScaledFont;
Metrics mMetrics;
PRUint32 mSpaceGlyph;
};
#endif /* GFX_MACFONT_H */