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Diffstat (limited to '')
-rw-r--r-- | slideshow/source/inc/rgbcolor.hxx | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/slideshow/source/inc/rgbcolor.hxx b/slideshow/source/inc/rgbcolor.hxx new file mode 100644 index 000000000..9e12ec902 --- /dev/null +++ b/slideshow/source/inc/rgbcolor.hxx @@ -0,0 +1,96 @@ +/* -*- 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_SLIDESHOW_SOURCE_INC_RGBCOLOR_HXX +#define INCLUDED_SLIDESHOW_SOURCE_INC_RGBCOLOR_HXX + +#include <cppcanvas/color.hxx> + + +/* Definition of RGBColor class */ + +namespace slideshow +{ + namespace internal + { + class HSLColor; + + /** RGB color space class. + */ + class RGBColor + { + public: + RGBColor(); + explicit RGBColor( ::cppcanvas::IntSRGBA nRGBColor ); + RGBColor( double nRed, double nGreen, double nBlue ); + explicit RGBColor( const HSLColor& rColor ); + + /** Get the RGB red value. + */ + double getRed() const { return maRGBTriple.mnRed; } + + /** Get the RGB green value. + */ + double getGreen() const { return maRGBTriple.mnGreen; } + + /** Get the RGB blue value. + */ + double getBlue() const { return maRGBTriple.mnBlue; } + + /** Create an integer sRGBA color. + */ + ::cppcanvas::IntSRGBA getIntegerColor() const; + + struct RGBTriple + { + RGBTriple(); + RGBTriple( double nRed, double nGreen, double nBlue ); + + double mnRed; + double mnGreen; + double mnBlue; + }; + + private: + // default copy/assignment are okay + // RGBColor(const RGBColor&); + // RGBColor& operator=( const RGBColor& ); + + RGBTriple maRGBTriple; + }; + + bool operator==( const RGBColor& rLHS, const RGBColor& rRHS ); + bool operator!=( const RGBColor& rLHS, const RGBColor& rRHS ); + RGBColor operator+( const RGBColor& rLHS, const RGBColor& rRHS ); + RGBColor operator*( const RGBColor& rLHS, const RGBColor& rRHS ); + RGBColor operator*( double nFactor, const RGBColor& rRHS ); + + + /** RGB color linear interpolator. + + @param t + As usual, t must be in the [0,1] range + */ + RGBColor interpolate( const RGBColor& rFrom, const RGBColor& rTo, double t ); + } +} + +#endif // INCLUDED_SLIDESHOW_SOURCE_INC_RGBCOLOR_HXX + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |