165 lines
4.9 KiB
C++
165 lines
4.9 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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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.org code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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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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/*
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* f.h (FontObject.h)
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*
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* C++ implementation of the (f) FontObject
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*
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* dp Suresh <dp@netscape.com>
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*/
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#ifndef _f_H_
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#define _f_H_
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#include "libfont.h"
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// Uses : RenderingContext
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// RenderableFont
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// FontDisplayer
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// Font
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#include "Mnfrc.h"
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#include "Mnfrf.h"
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#include "Mnffp.h"
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#include "Mnff.h"
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#include "wffpPeer.h"
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#include "wfList.h"
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#include "wfSzList.h"
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struct fh_store {
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FontDisplayerPeerObject *fppeer;
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void *fh;
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wfSizesList sizesList;
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};
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class FontObject : public wfList {
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private:
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// The nff that has this FontObject. This is reverse mapping
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// for the purpose of accessing refcount.
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// WARNING: Holding this will not increment the refcount of the
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// nff. This is there for the purpose of elements of the
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// list to refcount the FontObject.
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struct nff *self;
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// While the GarbageColletor for the Font object is running it
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// will set this member. This will ensure that when the GC is
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// releasing references to the Font object, it will not step over
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// itself.
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int inGC;
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// These are valid only for webfonts. If this font object
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// reflects a webfont, then isWebFont will be 1 and
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// {urlOffont} will indicate where this was created
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// from.
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int iswebfont;
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const char *urlOfFont;
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// For webfonts this specifies the state of the font. For
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// non-webfonts, this state will always be in the complete state.
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int state;
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// Specified if this font object can be shared or not.
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// All font objects that just have the native displayer serving rfs
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// are sharable across different accessors. Webfonts are not.
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int shared;
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// The rc this font was created for
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jint m_rcMajorType;
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jint m_rcMinorType;
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void computeSizes(struct nfrc *rc, struct fh_store *ele);
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public:
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FontObject(struct nff *self, struct nfrc *rc,
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const char *urlOfFont = NULL);
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~FontObject();
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int GC();
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jdouble *EnumerateSizes(struct nfrc *rc);
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struct nfrf *GetRenderableFont(struct nfrc *rc, jdouble pointsize);
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struct nffmi *GetMatchInfo(struct nfrc *rc, jdouble pointsize);
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// Rc type that this font was created with
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jint GetRcMajorType();
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jint GetRcMinorType();
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//
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// FontBroker specific
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//
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int addFontHandle(FontDisplayerPeerObject *fp_peer, void *font_handle);
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// Returns 1 is rf exists in the Font. 0 otherwise.
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int isRfExist(struct nfrf *rf);
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// Returns the number of rf's that were released
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int releaseRf(struct nfrf *rf);
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int isWebFont();
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//const char *name();
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const char *url();
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//
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// Webfont specific
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//
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// getState() returns the status of the webfont. Valid status's are
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// NF_FONT_INCOMPLETE
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// : Not yet complete. The font is in the process of being made.
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// XXX we might want to distinguish this from the
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// XXX NOT-YET-ACTIVE state.
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// NF_FONT_COMPLETE
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// : complete. The font is ready for use. For non-webfonts, this
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// will be the state on creation.
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// NF_FONT_ERROR
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// : Error. There was some error in creation of this font.
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// This font will never be complete.
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int GetState();
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int setState(int completion_state);
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//
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// Query if this font is shared
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//
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int isShared(void);
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int setShared(int sharedState);
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friend void free_fh_store(wfList *object, void *item);
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};
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#endif /* _f_H_ */
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