1 files changed, 135 insertions, 0 deletions
diff --git a/vcl/inc/unx/freetype_glyphcache.hxx b/vcl/inc/unx/freetype_glyphcache.hxx
new file mode 100644
index 000000000..9f4feb3fa
--- /dev/null
+++ b/vcl/inc/unx/freetype_glyphcache.hxx
@@ -0,0 +1,135 @@
+/* -*- 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 .
+ */
+
+#pragma once
+
+#include <sal/config.h>
+
+#include <unx/glyphcache.hxx>
+#include <font/PhysicalFontFace.hxx>
+#include <fontinstance.hxx>
+
+#include <glyphid.hxx>
+
+class CmapResult;
+
+// FreetypeFontFile has the responsibility that a font file is only mapped once.
+// (#86621#) the old directly ft-managed solution caused it to be mapped
+// in up to nTTC*nSizes*nOrientation*nSynthetic times
+class FreetypeFontFile final
+{
+public:
+    bool                    Map();
+    void                    Unmap();
+
+    const unsigned char*    GetBuffer() const { return mpFileMap; }
+    int                     GetFileSize() const { return mnFileSize; }
+    const OString&          GetFileName() const { return maNativeFileName; }
+    int                     GetLangBoost() const { return mnLangBoost; }
+
+private:
+    friend class FreetypeManager;
+    explicit                FreetypeFontFile( const OString& rNativeFileName );
+
+    const OString    maNativeFileName;
+    unsigned char*   mpFileMap;
+    int                     mnFileSize;
+    int                     mnRefCount;
+    int                     mnLangBoost;
+};
+
+// FreetypeFontInfo corresponds to an unscaled font face
+class FreetypeFontInfo final
+{
+public:
+    ~FreetypeFontInfo();
+
+    const unsigned char*  GetTable( const char*, sal_uLong* pLength) const;
+
+    FT_FaceRec_*          GetFaceFT();
+    void                  ReleaseFaceFT();
+
+    const OString&        GetFontFileName() const   { return mpFontFile->GetFileName(); }
+    int                   GetFontFaceIndex() const  { return mnFaceNum; }
+    int                   GetFontFaceVariation() const  { return mnFaceVariation; }
+    sal_IntPtr            GetFontId() const         { return mnFontId; }
+    bool                  IsSymbolFont() const      { return maDevFontAttributes.IsSymbolFont(); }
+    const FontAttributes& GetFontAttributes() const { return maDevFontAttributes; }
+
+    void                  AnnounceFont( vcl::font::PhysicalFontCollection* );
+
+    const FontCharMapRef & GetFontCharMap() const;
+    bool GetFontCapabilities(vcl::FontCapabilities&) const;
+
+private:
+    friend class FreetypeManager;
+    explicit FreetypeFontInfo(const FontAttributes&, FreetypeFontFile* const pFontFile,
+                              int nFaceNum, int nFaceVariation, sal_IntPtr nFontId);
+
+    FT_FaceRec_*    maFaceFT;
+    FreetypeFontFile* const mpFontFile;
+    const int       mnFaceNum;
+    const int       mnFaceVariation;
+    int             mnRefCount;
+    sal_IntPtr      mnFontId;
+    FontAttributes  maDevFontAttributes;
+
+    mutable FontCharMapRef mxFontCharMap;
+};
+
+class FreetypeFontFace : public vcl::font::PhysicalFontFace
+{
+private:
+    FreetypeFontInfo*             mpFreetypeFontInfo;
+
+public:
+                            FreetypeFontFace( FreetypeFontInfo*, const FontAttributes& );
+
+    virtual rtl::Reference<LogicalFontInstance> CreateFontInstance(const vcl::font::FontSelectPattern&) const override;
+    virtual sal_IntPtr      GetFontId() const override { return mpFreetypeFontInfo->GetFontId(); }
+
+    FontCharMapRef GetFontCharMap() const override { return mpFreetypeFontInfo->GetFontCharMap(); }
+    inline bool GetFontCapabilities(vcl::FontCapabilities&) const override;
+};
+
+bool FreetypeFontFace::GetFontCapabilities(vcl::FontCapabilities& rFontCapabilities) const
+{
+    return mpFreetypeFontInfo->GetFontCapabilities(rFontCapabilities);
+}
+
+class SAL_DLLPUBLIC_RTTI FreetypeFontInstance final : public LogicalFontInstance
+{
+    friend rtl::Reference<LogicalFontInstance> FreetypeFontFace::CreateFontInstance(const vcl::font::FontSelectPattern&) const;
+
+    std::unique_ptr<FreetypeFont> mxFreetypeFont;
+
+    virtual hb_font_t* ImplInitHbFont() override;
+    virtual bool ImplGetGlyphBoundRect(sal_GlyphId, tools::Rectangle&, bool) const override;
+
+    explicit FreetypeFontInstance(const vcl::font::PhysicalFontFace& rPFF, const vcl::font::FontSelectPattern& rFSP);
+
+public:
+    virtual ~FreetypeFontInstance() override;
+
+    FreetypeFont& GetFreetypeFont() const { return *mxFreetypeFont; }
+
+    virtual bool GetGlyphOutline(sal_GlyphId, basegfx::B2DPolyPolygon&, bool) const override;
+};
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */