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Diffstat (limited to 'cppcanvas/inc/cppcanvas/color.hxx')
-rw-r--r-- | cppcanvas/inc/cppcanvas/color.hxx | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/cppcanvas/inc/cppcanvas/color.hxx b/cppcanvas/inc/cppcanvas/color.hxx new file mode 100644 index 000000000000..6a8e872f328d --- /dev/null +++ b/cppcanvas/inc/cppcanvas/color.hxx @@ -0,0 +1,98 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ + +#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: */ |