зеркало из https://github.com/mozilla/pjs.git
135 строки
4.9 KiB
C++
135 строки
4.9 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 Foundation 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) 2005
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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@mozilla.com>
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* Masayuki Nakano <masayuki@d-toybox.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_PANGOFONTS_H
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#define GFX_PANGOFONTS_H
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#include "cairo.h"
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#include "gfxTypes.h"
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#include "gfxFont.h"
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#include "nsAutoRef.h"
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#include "nsTArray.h"
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#include <pango/pango.h>
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class gfxFcFontSet;
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class gfxFcFont;
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class gfxProxyFontEntry;
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typedef struct _FcPattern FcPattern;
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typedef struct FT_FaceRec_* FT_Face;
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typedef struct FT_LibraryRec_ *FT_Library;
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class THEBES_API gfxPangoFontGroup : public gfxFontGroup {
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public:
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gfxPangoFontGroup (const nsAString& families,
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const gfxFontStyle *aStyle,
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gfxUserFontSet *aUserFontSet);
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virtual ~gfxPangoFontGroup ();
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virtual gfxFontGroup *Copy(const gfxFontStyle *aStyle);
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virtual gfxFont *GetFontAt(PRInt32 i);
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virtual void UpdateFontList();
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virtual already_AddRefed<gfxFont>
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FindFontForChar(PRUint32 aCh, PRUint32 aPrevCh, PRInt32 aRunScript,
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gfxFont *aPrevMatchedFont,
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PRUint8 *aMatchType);
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static void Shutdown();
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// Used for @font-face { src: local(); }
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static gfxFontEntry *NewFontEntry(const gfxProxyFontEntry &aProxyEntry,
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const nsAString &aFullname);
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// Used for @font-face { src: url(); }
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static gfxFontEntry *NewFontEntry(const gfxProxyFontEntry &aProxyEntry,
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const PRUint8 *aFontData,
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PRUint32 aLength);
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// Interfaces used internally
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// (but public so that they can be accessed from non-member functions):
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// A language guessed from the gfxFontStyle
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PangoLanguage *GetPangoLanguage() { return mPangoLanguage; }
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private:
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// @param aLang [in] language to use for pref fonts and system default font
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// selection, or NULL for the language guessed from the gfxFontStyle.
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// The FontGroup holds a reference to this set.
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gfxFcFontSet *GetFontSet(PangoLanguage *aLang = NULL);
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class FontSetByLangEntry {
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public:
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FontSetByLangEntry(PangoLanguage *aLang, gfxFcFontSet *aFontSet);
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PangoLanguage *mLang;
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nsRefPtr<gfxFcFontSet> mFontSet;
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};
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// There is only one of entry in this array unless characters from scripts
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// of other languages are measured.
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nsAutoTArray<FontSetByLangEntry,1> mFontSets;
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gfxFloat mSizeAdjustFactor;
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PangoLanguage *mPangoLanguage;
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void GetFcFamilies(nsTArray<nsString> *aFcFamilyList,
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nsIAtom *aLanguage);
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// @param aLang [in] language to use for pref fonts and system font
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// resolution, or NULL to guess a language from the gfxFontStyle.
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// @param aMatchPattern [out] if non-NULL, will return the pattern used.
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already_AddRefed<gfxFcFontSet>
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MakeFontSet(PangoLanguage *aLang, gfxFloat aSizeAdjustFactor,
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nsAutoRef<FcPattern> *aMatchPattern = NULL);
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gfxFcFontSet *GetBaseFontSet();
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gfxFcFont *GetBaseFont();
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gfxFloat GetSizeAdjustFactor()
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{
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if (mFontSets.Length() == 0)
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GetBaseFontSet();
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return mSizeAdjustFactor;
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}
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static FT_Library GetFTLibrary();
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};
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#endif /* GFX_PANGOFONTS_H */
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