1 files changed, 67 insertions, 0 deletions
diff --git a/vcl/inc/textrender.hxx b/vcl/inc/textrender.hxx
new file mode 100644
index 000000000..9e6fcc95c
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+++ b/vcl/inc/textrender.hxx
@@ -0,0 +1,67 @@
+/* -*- 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 "salgdi.hxx"
+
+class ImplFontMetricData;
+class PhysicalFontCollection;
+namespace vcl::font { class PhysicalFontFace; }
+
+class TextRenderImpl
+{
+public:
+    // can't call ReleaseFonts here, as the destructor just calls this classes SetFont (pure virtual)!
+    virtual ~TextRenderImpl() {}
+
+    virtual void                    SetTextColor( Color nColor ) = 0;
+    virtual void                    SetFont(LogicalFontInstance*, int nFallbackLevel) = 0;
+    void ReleaseFonts() { SetFont(nullptr, 0); }
+    virtual void                    GetFontMetric( ImplFontMetricDataRef&, int nFallbackLevel ) = 0;
+    virtual FontCharMapRef          GetFontCharMap() const = 0;
+    virtual bool                    GetFontCapabilities(vcl::FontCapabilities &rFontCapabilities) const = 0;
+    virtual void                    GetDevFontList( vcl::font::PhysicalFontCollection* ) = 0;
+    virtual void                    ClearDevFontCache() = 0;
+    virtual bool                    AddTempDevFont( vcl::font::PhysicalFontCollection*, const OUString& rFileURL, const OUString& rFontName ) = 0;
+    virtual bool                    CreateFontSubset(
+                                        const OUString& rToFile,
+                                        const vcl::font::PhysicalFontFace*,
+                                        const sal_GlyphId* pGlyphIDs,
+                                        const sal_uInt8* pEncoding,
+                                        sal_Int32* pWidths,
+                                        int nGlyphs,
+                                        FontSubsetInfo& rInfo) = 0;
+
+    virtual const void*             GetEmbedFontData(const vcl::font::PhysicalFontFace*, tools::Long* pDataLen) = 0;
+    virtual void                    FreeEmbedFontData( const void* pData, tools::Long nDataLen ) = 0;
+    virtual void                    GetGlyphWidths(
+                                        const vcl::font::PhysicalFontFace*,
+                                        bool bVertical,
+                                        std::vector< sal_Int32 >& rWidths,
+                                        Ucs2UIntMap& rUnicodeEnc ) = 0;
+
+    virtual std::unique_ptr<GenericSalLayout>
+                                    GetTextLayout(int nFallbackLevel) = 0;
+    virtual void                    DrawTextLayout(const GenericSalLayout&, const SalGraphics&) = 0;
+};
+
+/* vim:set tabstop=4 shiftwidth=4 softtabstop=4 expandtab: */