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Diffstat (limited to 'include/cppcanvas/color.hxx')
-rw-r--r-- | include/cppcanvas/color.hxx | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/include/cppcanvas/color.hxx b/include/cppcanvas/color.hxx new file mode 100644 index 000000000000..6d7dc957286a --- /dev/null +++ b/include/cppcanvas/color.hxx @@ -0,0 +1,89 @@ +/* -*- 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 _CPPCANVAS_COLOR_HXX +#define _CPPCANVAS_COLOR_HXX + +#include <com/sun/star/uno/Sequence.hxx> + +#include <boost/shared_ptr.hpp> + + +/* Definition of Color class */ + +namespace cppcanvas +{ + class Color + { + public: + /** Color in the sRGB color space, plus alpha channel + + The four bytes of the sal_uInt32 are allocated as follows + to the color channels and alpha: 0xRRGGBBAA. + */ + typedef sal_uInt32 IntSRGBA; + + virtual ~Color() {} + + virtual IntSRGBA getIntSRGBA( ::com::sun::star::uno::Sequence< double >& rDeviceColor ) const = 0; + virtual ::com::sun::star::uno::Sequence< double > getDeviceColor( IntSRGBA aSRGBA ) const = 0; + }; + + typedef ::boost::shared_ptr< ::cppcanvas::Color > ColorSharedPtr; + + inline sal_uInt8 getRed( Color::IntSRGBA nCol ) + { + return static_cast<sal_uInt8>( (nCol&0xFF000000U) >> 24U ); + } + + inline sal_uInt8 getGreen( Color::IntSRGBA nCol ) + { + return static_cast<sal_uInt8>( (nCol&0x00FF0000U) >> 16U ); + } + + inline sal_uInt8 getBlue( Color::IntSRGBA nCol ) + { + return static_cast<sal_uInt8>( (nCol&0x0000FF00U) >> 8U ); + } + + inline sal_uInt8 getAlpha( Color::IntSRGBA nCol ) + { + return static_cast<sal_uInt8>( nCol&0x000000FFU ); + } + + inline Color::IntSRGBA makeColor( sal_uInt8 nRed, sal_uInt8 nGreen, sal_uInt8 nBlue, sal_uInt8 nAlpha ) + { + return (nRed << 24U)|(nGreen << 16U)|(nBlue << 8U)|(nAlpha); + } + + inline sal_Int32 unMakeColor( sal_uInt8 nAlpha, sal_uInt8 nRed, sal_uInt8 nGreen, sal_uInt8 nBlue) + { + return (nAlpha << 24U)|(nRed << 16U)|(nGreen << 8U)|(nBlue); + } + + inline sal_Int32 makeColorARGB( sal_uInt8 nAlpha, sal_uInt8 nRed, sal_uInt8 nGreen, sal_uInt8 nBlue) + { + return (nAlpha << 24U)|(nRed << 16U)|(nGreen << 8U)|(nBlue); + } + +} + +#endif /* _CPPCANVAS_COLOR_HXX */ + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |