222 lines
6.5 KiB
C++
222 lines
6.5 KiB
C++
/* -*- Mode: C++; tab-width: 4; 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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*
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* Implements a link between the (cf) CFont Interface
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* implementation and its C++ implementation viz (f) FontObject.
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*
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* dp Suresh <dp@netscape.com>
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*/
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#include "libfont.h"
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// The C implementation definition of the interface.
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// This links it to the C++ implementation
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#include "Pcf.h"
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// The actual C++ object
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#include "f.h"
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// Uses: The nff interface
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#include "Mnff.h"
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// The finalize methods removes the font from the fontbrokers
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// font object cache. Hence it needs to access the fontbroker.
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#include "Pcfb.h"
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#include "fb.h"
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/****************************************************************************
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* Implementation of common interface methods *
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****************************************************************************/
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#ifdef OVERRIDE_cf_getInterface
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extern "C" JMC_PUBLIC_API(void*)
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/*ARGSUSED*/
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_cf_getInterface(struct cf* self, jint op, const JMCInterfaceID* iid, JMCException* *exc)
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{
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if (memcmp(iid, &nff_ID, sizeof(JMCInterfaceID)) == 0)
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return cfImpl2cf(cf2cfImpl(self));
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return _cf_getBackwardCompatibleInterface(self, iid, exc);
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}
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#endif /* OVERRIDE_cf_getInterface */
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extern "C" JMC_PUBLIC_API(void*)
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/*ARGSUSED*/
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_cf_getBackwardCompatibleInterface(struct cf* self, const JMCInterfaceID* iid,
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struct JMCException* *exceptionThrown)
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{
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return(NULL);
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}
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extern "C" JMC_PUBLIC_API(void)
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/*ARGSUSED*/
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_cf_init(struct cf* self, struct JMCException* *exceptionThrown,
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struct nfrc *rc)
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{
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cfImpl *oimpl = cf2cfImpl(self);
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FontObject *fobj = new FontObject((struct nff *)self, rc);
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if (fobj == NULL)
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{
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JMC_EXCEPTION(exceptionThrown, JMCEXCEPTION_OUT_OF_MEMORY);
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}
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else
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{
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oimpl->object = fobj;
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}
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return;
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}
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#ifdef OVERRIDE_cf_finalize
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extern "C" JMC_PUBLIC_API(void)
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/*ARGSUSED*/
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_cf_finalize(struct cf* self, jint op, JMCException* *exception)
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{
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/* Release this font object from the fontObjectCache in the Broker */
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cfbImpl *fbimpl = cfb2cfbImpl(WF_fbc);
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FontBrokerObject *fbobj = (FontBrokerObject *)fbimpl->object;
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WF_TRACEMSG( ("NF: Deleting font object [0x%x].", fbobj) );
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fbobj->fontObjectCache.releaseFont((struct nff *)self);
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/* Delete the font object */
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struct cfImpl *oimpl = cf2cfImpl(self);
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FontObject *fob = (FontObject *)oimpl->object;
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delete fob;
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/* Finally, free the memory for the object containter. */
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XP_FREEIF(self);
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}
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#endif /* OVERRIDE_cf_finalize */
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#ifdef OVERRIDE_cf_release
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JMC_PUBLIC_API(void)
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/*ARGSUSED*/
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_cf_release(struct cf* self, jint op, JMCException* *exc)
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{
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cfImplHeader* impl = (cfImplHeader*)cf2cfImpl(self);
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--impl->refcount;
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// Run the GC
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cfImpl *oimpl = cf2cfImpl(self);
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FontObject *fob = (FontObject *)oimpl->object;
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int ret = fob->GC();
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if (impl->refcount == 0)
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{
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cf_finalize(self, exc);
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}
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}
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#endif
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/****************************************************************************
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* Implementation of Object specific methods *
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****************************************************************************/
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extern "C" JMC_PUBLIC_API(jint)
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/*ARGSUSED*/
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_cf_GetState(struct cf* self, jint op, struct JMCException* *exceptionThrown)
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{
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cfImpl *oimpl = cf2cfImpl(self);
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XP_ASSERT(oimpl->header.refcount);
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FontObject *fob = (FontObject *)oimpl->object;
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return((jint)fob->GetState());
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}
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extern "C" JMC_PUBLIC_API(void*)
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/*ARGSUSED*/
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_cf_EnumerateSizes(struct cf* self, jint op, struct nfrc *rc,
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struct JMCException* *exceptionThrown)
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{
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cfImpl *oimpl = cf2cfImpl(self);
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XP_ASSERT(oimpl->header.refcount);
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FontObject *fob = (FontObject *)oimpl->object;
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return(fob->EnumerateSizes(rc));
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}
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extern "C" JMC_PUBLIC_API(struct nfrf*)
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/*ARGSUSED*/
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_cf_GetRenderableFont(struct cf* self, jint op, struct nfrc *rc,
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jdouble pointsize, struct JMCException* *exceptionThrown)
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{
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cfImpl *oimpl = cf2cfImpl(self);
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XP_ASSERT(oimpl->header.refcount);
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FontObject *fob = (FontObject *)oimpl->object;
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return(fob->GetRenderableFont(rc, pointsize));
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}
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extern "C" JMC_PUBLIC_API(struct nffmi*)
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/*ARGSUSED*/
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_cf_GetMatchInfo(struct cf* self, jint op, struct nfrc *rc,
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jint pointsize, struct JMCException* *exceptionThrown)
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{
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cfImpl *oimpl = cf2cfImpl(self);
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XP_ASSERT(oimpl->header.refcount);
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FontObject *fob = (FontObject *)oimpl->object;
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return(fob->GetMatchInfo(rc, pointsize));
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}
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extern "C" JMC_PUBLIC_API(jint)
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/*ARGSUSED*/
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_cf_GetRcMajorType(struct cf* self, jint op,
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struct JMCException* *exceptionThrown)
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{
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cfImpl *oimpl = cf2cfImpl(self);
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XP_ASSERT(oimpl->header.refcount);
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FontObject *fob = (FontObject *)oimpl->object;
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return(fob->GetRcMajorType());
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}
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extern "C" JMC_PUBLIC_API(jint)
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/*ARGSUSED*/
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_cf_GetRcMinorType(struct cf* self, jint op,
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struct JMCException* *exceptionThrown)
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{
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cfImpl *oimpl = cf2cfImpl(self);
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XP_ASSERT(oimpl->header.refcount);
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FontObject *fob = (FontObject *)oimpl->object;
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return(fob->GetRcMinorType());
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}
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