1 files changed, 146 insertions, 0 deletions
diff --git a/sw/source/core/inc/fntcache.hxx b/sw/source/core/inc/fntcache.hxx
new file mode 100644
index 000000000..bea6663e1
--- /dev/null
+++ b/sw/source/core/inc/fntcache.hxx
@@ -0,0 +1,146 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#ifndef INCLUDED_SW_SOURCE_CORE_INC_FNTCACHE_HXX
+#define INCLUDED_SW_SOURCE_CORE_INC_FNTCACHE_HXX
+
+#include <sal/config.h>
+
+#include <cstdint>
+#include <unordered_map>
+
+#include <vcl/font.hxx>
+#include <vcl/glyphitem.hxx>
+#include <vcl/vclptr.hxx>
+#include <vcl/outdev.hxx>
+#include "swcache.hxx"
+#include "TextFrameIndex.hxx"
+
+class FontMetric;
+class SwFntObj;
+class SwDrawTextInfo;
+class SwViewShell;
+class SwSubFont;
+class MapMode;
+
+class SwFntCache : public SwCache
+{
+public:
+    SwFntCache() : SwCache(50
+#ifdef DBG_UTIL
+    , OString(RTL_CONSTASCII_STRINGPARAM("Global Font-Cache pFntCache"))
+#endif
+    ) {}
+
+    inline SwFntObj *First( );
+    static inline SwFntObj *Next( SwFntObj *pFntObj);
+    void Flush();
+};
+
+// Font cache, global variable, created/destroyed in txtinit.cxx
+extern SwFntCache *pFntCache;
+extern SwFntObj *pLastFont;
+
+class SwFntObj final : public SwCacheObj
+{
+    friend class SwFntAccess;
+    friend void InitCore();
+    friend void FinitCore();
+
+    vcl::Font m_aFont;
+    vcl::Font *m_pScrFont;
+    vcl::Font *m_pPrtFont;
+    VclPtr<OutputDevice> m_pPrinter;
+    sal_uInt16 m_nGuessedLeading;
+    sal_uInt16 m_nExtLeading;
+    sal_uInt16 m_nScrAscent;
+    sal_uInt16 m_nPrtAscent;
+    sal_uInt16 m_nScrHeight;
+    sal_uInt16 m_nPrtHeight;
+    sal_uInt16 m_nPropWidth;
+    sal_uInt16 m_nScrHangingBaseline;
+    sal_uInt16 m_nPrtHangingBaseline;
+    sal_uInt16 m_nZoom;
+    bool m_bSymbol : 1;
+    bool m_bPaintBlank : 1;
+
+    static tools::Long s_nPixWidth;
+    static MapMode *s_pPixMap;
+
+public:
+    SwFntObj( const SwSubFont &rFont, std::uintptr_t nFontCacheId,
+              SwViewShell const *pSh );
+
+    virtual ~SwFntObj() override;
+
+    vcl::Font *GetScrFont()     { return m_pScrFont; }
+    vcl::Font& GetFont()        { return m_aFont; }
+    const vcl::Font& GetFont() const  { return m_aFont; }
+
+    sal_uInt16 GetGuessedLeading() const  { return m_nGuessedLeading; }
+    sal_uInt16 GetExternalLeading() const  { return m_nExtLeading; }
+
+    sal_uInt16 GetFontAscent( const SwViewShell *pSh, const OutputDevice& rOut );
+    sal_uInt16 GetFontHeight( const SwViewShell *pSh, const OutputDevice& rOut );
+    sal_uInt16 GetFontLeading( const SwViewShell *pSh, const OutputDevice& rOut );
+    sal_uInt16 GetFontHangingBaseline( const SwViewShell *pSh, const OutputDevice& rOut );
+
+    void GuessLeading( const SwViewShell& rSh, const FontMetric& rMet );
+
+    void SetDevFont( const SwViewShell *pSh, OutputDevice& rOut );
+    OutputDevice* GetPrt() const { return m_pPrinter; }
+    sal_uInt16   GetZoom() const { return m_nZoom; }
+    sal_uInt16   GetPropWidth() const { return m_nPropWidth; }
+    bool     IsSymbol() const { return m_bSymbol; }
+
+    void   DrawText( SwDrawTextInfo &rInf );
+    /// determine the TextSize (of the printer)
+    Size  GetTextSize( SwDrawTextInfo &rInf );
+    TextFrameIndex GetModelPositionForViewPoint(SwDrawTextInfo &rInf);
+
+    void CreateScrFont( const SwViewShell& rSh, const OutputDevice& rOut );
+    void CreatePrtFont( const OutputDevice& rOut );
+};
+
+SwFntObj *SwFntCache::First( )
+{
+    return static_cast<SwFntObj *>(SwCache::First());
+}
+
+SwFntObj *SwFntCache::Next( SwFntObj *pFntObj)
+{
+    return static_cast<SwFntObj *>(SwCache::Next( pFntObj ));
+}
+
+class SwFntAccess final : public SwCacheAccess
+{
+    SwViewShell const *m_pShell;
+
+    virtual SwCacheObj *NewObj( ) override;
+
+public:
+    SwFntAccess( const void*& rnFontCacheId, sal_uInt16 &rIndex, const void *pOwner,
+                 SwViewShell const *pShell,
+                 bool bCheck = false  );
+    SwFntObj* Get() { return static_cast<SwFntObj*>( SwCacheAccess::Get() ); }
+};
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */