1 files changed, 99 insertions, 0 deletions
diff --git a/include/vcl/gradient.hxx b/include/vcl/gradient.hxx
new file mode 100644
index 000000000..f7c2bd2ec
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+++ b/include/vcl/gradient.hxx
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+/* -*- 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_VCL_GRADIENT_HXX
+#define INCLUDED_VCL_GRADIENT_HXX
+
+#include <sal/types.h>
+#include <tools/color.hxx>
+#include <tools/degree.hxx>
+#include <tools/long.hxx>
+#include <o3tl/cow_wrapper.hxx>
+
+#include <vcl/dllapi.h>
+#include <vcl/vclenum.hxx>
+
+namespace tools { class Rectangle; }
+
+class Point;
+class SvStream;
+class GDIMetaFile;
+
+class VCL_DLLPUBLIC Gradient
+{
+private:
+    class Impl;
+    ::o3tl::cow_wrapper<Impl>  mpImplGradient;
+
+public:
+                    Gradient();
+                    Gradient( const Gradient& rGradient );
+                    Gradient( Gradient&& rGradient );
+                    Gradient( GradientStyle eStyle,
+                              const Color& rStartColor,
+                              const Color& rEndColor );
+                    ~Gradient();
+
+    void            SetStyle( GradientStyle eStyle );
+    GradientStyle   GetStyle() const;
+
+    void            SetStartColor( const Color& rColor );
+    const Color&    GetStartColor() const;
+    void            SetEndColor( const Color& rColor );
+    const Color&    GetEndColor() const;
+    void            MakeGrayscale();
+
+    void            SetAngle( Degree10 nAngle );
+    Degree10        GetAngle() const;
+
+    void            SetBorder( sal_uInt16 nBorder );
+    sal_uInt16      GetBorder() const;
+    void            SetOfsX( sal_uInt16 nOfsX );
+    sal_uInt16      GetOfsX() const;
+    void            SetOfsY( sal_uInt16 nOfsY );
+    sal_uInt16      GetOfsY() const;
+
+    void            SetStartIntensity( sal_uInt16 nIntens );
+    sal_uInt16      GetStartIntensity() const;
+    void            SetEndIntensity( sal_uInt16 nIntens );
+    sal_uInt16      GetEndIntensity() const;
+
+    void            SetSteps( sal_uInt16 nSteps );
+    sal_uInt16      GetSteps() const;
+
+    void            GetBoundRect( const tools::Rectangle& rRect, tools::Rectangle &rBoundRect, Point& rCenter ) const;
+
+    void AddGradientActions(tools::Rectangle const& rRect, GDIMetaFile& rMetaFile);
+
+    Gradient&       operator=( const Gradient& rGradient );
+    Gradient&       operator=( Gradient&& rGradient );
+    bool            operator==( const Gradient& rGradient ) const;
+    bool            operator!=( const Gradient& rGradient ) const
+                        { return !(Gradient::operator==( rGradient )); }
+
+private:
+    tools::Long GetMetafileSteps(tools::Rectangle const& rRect) const;
+
+    void DrawComplexGradientToMetafile(tools::Rectangle const& rRect, GDIMetaFile& rMetaFile) const;
+    void DrawLinearGradientToMetafile(tools::Rectangle const& rRect, GDIMetaFile& rMetaFile) const;
+};
+
+#endif // INCLUDED_VCL_GRADIENT_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */