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Diffstat (limited to 'include/vcl/gradient.hxx')
-rw-r--r-- | include/vcl/gradient.hxx | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/include/vcl/gradient.hxx b/include/vcl/gradient.hxx new file mode 100644 index 0000000000..fdb8df0b9a --- /dev/null +++ b/include/vcl/gradient.hxx @@ -0,0 +1,100 @@ +/* -*- 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> +#include <com/sun/star/awt/GradientStyle.hpp> + +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( css::awt::GradientStyle eStyle, + const Color& rStartColor, + const Color& rEndColor ); + ~Gradient(); + + void SetStyle( css::awt::GradientStyle eStyle ); + css::awt::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: */ |