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293 lines
9.0 KiB
C++
Executable File
293 lines
9.0 KiB
C++
Executable File
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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/* , 1997 */
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//--------------------------------------------------------------------------------------------------------
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// Author: Frank Tang ftang@netscape.com x2913
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//
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// Virtual Font Cacahe used for Unicode rendering
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//--------------------------------------------------------------------------------------------------------
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#include "stdafx.h"
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#include "cvffc.h"
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//------------------------------------------------------------------------------------------------
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//
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// CVirtualFontFontCache
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//
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//------------------------------------------------------------------------------------------------
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CMapWordToOb* CVirtualFontFontCache::m_cache = NULL;
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//#ifdef netscape_font_module
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CMapWordToOb* CVirtualFontFontCache::m_Cyacache = NULL;
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//#endif //netscape_font_module
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void CVirtualFontFontCache::Init()
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{
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CVirtualFontFontCache::m_cache = NULL;
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// CVirtualFontFontCache::m_Cyacache = NULL;
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}
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void CVirtualFontFontCache::Exit()
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{
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CVirtualFontFontCache::Reset();
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}
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//------------------------------------------------------------------------------------------------
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//
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// CVirtualFontFontCache::Get
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//
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//------------------------------------------------------------------------------------------------
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#define STYLEKEY(f,b,i,u) ( ((f) ? 8 : 0) | ((b) ? 4 : 0) | ((i) ? 2 : 0) | ((u) ? 1 : 0) )
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BOOL CVirtualFontFontCache::Get(int16 encoding, int size, BOOL fixed, BOOL bold, BOOL italic, BOOL underline, CFont*& pFont )
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{
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if(CVirtualFontFontCache::m_cache)
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{
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CMapWordToOb* pSizecache;
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if(CVirtualFontFontCache::m_cache->Lookup(encoding, (CObject*&)pSizecache))
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{
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CMapWordToOb* pStylecache;
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if(pSizecache->Lookup(size, (CObject*&)pStylecache))
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{
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BOOL ret = pStylecache->Lookup( STYLEKEY(fixed,bold,italic,underline), (CObject*&)pFont);
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return ret;
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}
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}
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}
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return FALSE;
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}
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//#ifdef netscape_font_module
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BOOL CVirtualFontFontCache::Get(int16 encoding, int size, BOOL fixed, BOOL bold,
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BOOL italic, BOOL underline, CyaFont*& pFont )
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{
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if(CVirtualFontFontCache::m_Cyacache)
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{
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CMapWordToOb* pSizecache;
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if(CVirtualFontFontCache::m_Cyacache->Lookup(encoding, (CObject*&)pSizecache))
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{
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CMapWordToOb* pStylecache;
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if(pSizecache->Lookup(size, (CObject*&)pStylecache))
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{
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BOOL ret = pStylecache->Lookup( STYLEKEY(fixed,bold,italic,underline), (CObject*&)pFont);
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return ret;
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}
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}
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}
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return FALSE;
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}
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//#endif //netscape_font_module
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//------------------------------------------------------------------------------------------------
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//
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// CVirtualFontFontCache::Add
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//
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//------------------------------------------------------------------------------------------------
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BOOL CVirtualFontFontCache::Add(int16 encoding, int size, BOOL fixed, BOOL bold, BOOL italic, BOOL underline, CFont*& pFont )
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{
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ASSERT(pFont);
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if(! CVirtualFontFontCache::m_cache)
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{
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// *** Fix me, we better tune the init of pSizecache
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VERIFY(CVirtualFontFontCache::m_cache = new CMapWordToOb);
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if(CVirtualFontFontCache::m_cache == NULL )
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return FALSE;
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}
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CMapWordToOb* pSizecache;
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if(! CVirtualFontFontCache::m_cache->Lookup(encoding, (CObject*&)pSizecache))
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{
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// *** Fix me, we better tune the init of pSizecache
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VERIFY(pSizecache = new CMapWordToOb);
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if(pSizecache == NULL)
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return FALSE;
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CVirtualFontFontCache::m_cache->SetAt(encoding, (CObject*&)pSizecache);
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}
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CMapWordToOb* pStylecache;
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if(! pSizecache->Lookup(size, (CObject*&)pStylecache))
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{
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// *** Fix me, we better tune the init of pSizecache
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VERIFY(pStylecache = new CMapWordToOb);
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if(pStylecache == NULL )
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return FALSE;
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pSizecache->SetAt(size, (CObject*&)pStylecache);
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}
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pStylecache->SetAt(STYLEKEY(fixed,bold,italic,underline), (CObject*&)pFont);
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return TRUE;
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}
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//#ifdef netscape_font_module
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BOOL CVirtualFontFontCache::Add(int16 encoding, int size, BOOL fixed, BOOL bold,
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BOOL italic, BOOL underline, CyaFont*& pFont )
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{
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ASSERT(pFont);
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if(! CVirtualFontFontCache::m_Cyacache)
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{
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// *** Fix me, we better tune the init of pSizecache
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VERIFY(CVirtualFontFontCache::m_Cyacache = new CMapWordToOb);
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if(CVirtualFontFontCache::m_Cyacache == NULL )
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return FALSE;
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}
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CMapWordToOb* pSizecache;
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if(! CVirtualFontFontCache::m_Cyacache->Lookup(encoding, (CObject*&)pSizecache))
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{
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// *** Fix me, we better tune the init of pSizecache
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VERIFY(pSizecache = new CMapWordToOb);
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if(pSizecache == NULL)
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return FALSE;
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CVirtualFontFontCache::m_Cyacache->SetAt(encoding, (CObject*&)pSizecache);
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}
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CMapWordToOb* pStylecache;
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if(! pSizecache->Lookup(size, (CObject*&)pStylecache))
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{
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// *** Fix me, we better tune the init of pSizecache
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VERIFY(pStylecache = new CMapWordToOb);
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if(pStylecache == NULL )
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return FALSE;
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pSizecache->SetAt(size, (CObject*&)pStylecache);
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}
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pStylecache->SetAt(STYLEKEY(fixed,bold,italic,underline), (CObject*&)pFont);
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return TRUE;
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}
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//#endif //netscape_font_module
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//------------------------------------------------------------------------------------------------
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//
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// CVirtualFontFontCache::Reset
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//
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//------------------------------------------------------------------------------------------------
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void CVirtualFontFontCache::Reset()
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{
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CMapWordToOb* pEncodingcache = CVirtualFontFontCache::m_cache;
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CVirtualFontFontCache::m_cache = NULL;
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// we should really lock this function
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if(pEncodingcache)
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{
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int16 encoding;
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CMapWordToOb* pSizecache;
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POSITION i;
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for(i = pEncodingcache->GetStartPosition(); i != NULL;)
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{
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pEncodingcache->GetNextAssoc(i, (WORD&)encoding, (CObject*&)pSizecache);
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// pEncodingcache->RemoveKey(encoding);
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ASSERT(pSizecache);
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if(pSizecache)
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{
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POSITION j;
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for(j = pSizecache->GetStartPosition(); j != NULL;)
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{
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int size;
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CMapWordToOb* pStylecache;
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pSizecache->GetNextAssoc(j, (WORD&)size, (CObject*&)pStylecache);
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// pSizecache->RemoveKey(size);
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ASSERT(pStylecache);
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if(pStylecache)
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{
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POSITION k;
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for(k = pStylecache->GetStartPosition(); k != NULL;)
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{
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WORD style;
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CFont* pFont = NULL;
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pStylecache->GetNextAssoc(k, style, (CObject*&)pFont);
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// pStylecache->RemoveKey(style);
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ASSERT(pFont);
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if(pFont)
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{
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delete pFont;
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}
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} // for each style
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pStylecache->RemoveAll();
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ASSERT( pStylecache->GetCount() == 0);
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ASSERT( pStylecache->IsEmpty());
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delete pStylecache;
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}
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} // for each size
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pSizecache->RemoveAll();
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ASSERT( pSizecache->GetCount() == 0);
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ASSERT( pSizecache->IsEmpty());
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delete pSizecache;
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}
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} // for each encoding
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pEncodingcache->RemoveAll();
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ASSERT( pEncodingcache->GetCount() == 0);
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ASSERT( pEncodingcache->IsEmpty());
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delete pEncodingcache;
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}
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//#ifdef netscape_font_module
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CVirtualFontFontCache::ResetCyacache();
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//#endif //netscape_font_module
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}
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//#ifdef netscape_font_module
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void CVirtualFontFontCache::ResetCyacache()
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{
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CMapWordToOb* pEncodingcache = CVirtualFontFontCache::m_Cyacache;
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CVirtualFontFontCache::m_Cyacache = NULL;
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// we should really lock this function
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if(pEncodingcache)
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{
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int16 encoding;
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CMapWordToOb* pSizecache;
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POSITION i;
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for(i = pEncodingcache->GetStartPosition(); i != NULL;)
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{
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pEncodingcache->GetNextAssoc(i, (WORD&)encoding, (CObject*&)pSizecache);
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// pEncodingcache->RemoveKey(encoding);
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ASSERT(pSizecache);
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if(pSizecache)
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{
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POSITION j;
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for(j = pSizecache->GetStartPosition(); j != NULL;)
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{
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int size;
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CMapWordToOb* pStylecache;
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pSizecache->GetNextAssoc(j, (WORD&)size, (CObject*&)pStylecache);
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// pSizecache->RemoveKey(size);
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ASSERT(pStylecache);
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if(pStylecache)
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{
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POSITION k;
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for(k = pStylecache->GetStartPosition(); k != NULL;)
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{
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WORD style;
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CyaFont* pFont = NULL;
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pStylecache->GetNextAssoc(k, style, (CObject*&)pFont);
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// pStylecache->RemoveKey(style);
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ASSERT(pFont);
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if(pFont)
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{
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delete pFont;
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}
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} // for each style
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pStylecache->RemoveAll();
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ASSERT( pStylecache->GetCount() == 0);
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ASSERT( pStylecache->IsEmpty());
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delete pStylecache;
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}
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} // for each size
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pSizecache->RemoveAll();
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ASSERT( pSizecache->GetCount() == 0);
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ASSERT( pSizecache->IsEmpty());
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delete pSizecache;
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}
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} // for each encoding
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pEncodingcache->RemoveAll();
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ASSERT( pEncodingcache->GetCount() == 0);
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ASSERT( pEncodingcache->IsEmpty());
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delete pEncodingcache;
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}
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}
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//#endif //netscape_font_module
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