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106 lines
3.7 KiB
C++
106 lines
3.7 KiB
C++
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Mozilla Corporation code.
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*
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* The Initial Developer of the Original Code is Mozilla Foundation.
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* Portions created by the Initial Developer are Copyright (C) 2006-2010
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Vladimir Vukicevic <vladimir@pobox.com>
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* Masayuki Nakano <masayuki@d-toybox.com>
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* John Daggett <jdaggett@mozilla.com>
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* Jonathan Kew <jfkthame@gmail.com>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#ifndef GFX_MACFONT_H
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#define GFX_MACFONT_H
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#include "gfxFont.h"
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#include "gfxMacPlatformFontList.h"
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#include "cairo.h"
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class gfxMacFont : public gfxFont
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{
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public:
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gfxMacFont(MacOSFontEntry *aFontEntry, const gfxFontStyle *aFontStyle,
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PRBool aNeedsBold);
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virtual ~gfxMacFont();
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ATSFontRef GetATSFontRef() const { return mATSFont; }
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CGFontRef GetCGFontRef() const { return mCGFont; }
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virtual PRBool InitTextRun(gfxContext *aContext,
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gfxTextRun *aTextRun,
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const PRUnichar *aString,
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PRUint32 aRunStart,
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PRUint32 aRunLength,
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PRInt32 aRunScript);
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/* overrides for the pure virtual methods in gfxFont */
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virtual const gfxFont::Metrics& GetMetrics() {
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return mMetrics;
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}
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virtual PRUint32 GetSpaceGlyph() {
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return mSpaceGlyph;
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}
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virtual PRBool SetupCairoFont(gfxContext *aContext);
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// override gfxFont table access function to bypass gfxFontEntry cache,
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// use CGFontRef API to get direct access to system font data
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virtual hb_blob_t *GetFontTable(PRUint32 aTag);
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protected:
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virtual void CreatePlatformShaper();
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void InitMetrics();
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void InitMetricsFromATSMetrics();
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// Get width and glyph ID for a character; uses aConvFactor
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// to convert font units as returned by CG to actual dimensions
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gfxFloat GetCharWidth(CFDataRef aCmap, PRUnichar aUniChar,
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PRUint32 *aGlyphID, gfxFloat aConvFactor);
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static void DestroyBlobFunc(void* aUserData);
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ATSFontRef mATSFont;
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CGFontRef mCGFont;
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cairo_font_face_t *mFontFace;
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cairo_scaled_font_t *mScaledFont;
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Metrics mMetrics;
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PRUint32 mSpaceGlyph;
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};
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#endif /* GFX_MACFONT_H */
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