1*cdf0e10cSrcweir /************************************************************************* 2*cdf0e10cSrcweir * 3*cdf0e10cSrcweir * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4*cdf0e10cSrcweir * 5*cdf0e10cSrcweir * Copyright 2000, 2010 Oracle and/or its affiliates. 6*cdf0e10cSrcweir * 7*cdf0e10cSrcweir * OpenOffice.org - a multi-platform office productivity suite 8*cdf0e10cSrcweir * 9*cdf0e10cSrcweir * This file is part of OpenOffice.org. 10*cdf0e10cSrcweir * 11*cdf0e10cSrcweir * OpenOffice.org is free software: you can redistribute it and/or modify 12*cdf0e10cSrcweir * it under the terms of the GNU Lesser General Public License version 3 13*cdf0e10cSrcweir * only, as published by the Free Software Foundation. 14*cdf0e10cSrcweir * 15*cdf0e10cSrcweir * OpenOffice.org is distributed in the hope that it will be useful, 16*cdf0e10cSrcweir * but WITHOUT ANY WARRANTY; without even the implied warranty of 17*cdf0e10cSrcweir * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18*cdf0e10cSrcweir * GNU Lesser General Public License version 3 for more details 19*cdf0e10cSrcweir * (a copy is included in the LICENSE file that accompanied this code). 20*cdf0e10cSrcweir * 21*cdf0e10cSrcweir * You should have received a copy of the GNU Lesser General Public License 22*cdf0e10cSrcweir * version 3 along with OpenOffice.org. If not, see 23*cdf0e10cSrcweir * <http://www.openoffice.org/license.html> 24*cdf0e10cSrcweir * for a copy of the LGPLv3 License. 25*cdf0e10cSrcweir * 26*cdf0e10cSrcweir ************************************************************************/ 27*cdf0e10cSrcweir 28*cdf0e10cSrcweir #ifndef INCLUDED_BASEBMP_INTCONVERSION_HXX 29*cdf0e10cSrcweir #define INCLUDED_BASEBMP_INTCONVERSION_HXX 30*cdf0e10cSrcweir 31*cdf0e10cSrcweir #include <vigra/rgbvalue.hxx> 32*cdf0e10cSrcweir #include <functional> 33*cdf0e10cSrcweir 34*cdf0e10cSrcweir namespace basebmp 35*cdf0e10cSrcweir { 36*cdf0e10cSrcweir // metafunctions to retrieve correct POD from/to basebmp::Color 37*cdf0e10cSrcweir //------------------------------------------------------------------------ 38*cdf0e10cSrcweir 39*cdf0e10cSrcweir /// type-safe conversion from RgbValue to packed int32 40*cdf0e10cSrcweir template< class RgbVal > struct UInt32FromRgbValue 41*cdf0e10cSrcweir { 42*cdf0e10cSrcweir sal_uInt32 operator()( RgbVal const& c ) const 43*cdf0e10cSrcweir { 44*cdf0e10cSrcweir return (c[0] << 16) | (c[1] << 8) | c[2]; 45*cdf0e10cSrcweir } 46*cdf0e10cSrcweir }; 47*cdf0e10cSrcweir 48*cdf0e10cSrcweir /// type-safe conversion from packed int32 to RgbValue 49*cdf0e10cSrcweir template< class RgbVal > struct RgbValueFromUInt32 50*cdf0e10cSrcweir { 51*cdf0e10cSrcweir RgbVal operator()( sal_uInt32 c ) const 52*cdf0e10cSrcweir { 53*cdf0e10cSrcweir return RgbVal((c >> 16) & 0xFF, 54*cdf0e10cSrcweir (c >> 8) & 0xFF, 55*cdf0e10cSrcweir c & 0xFF); 56*cdf0e10cSrcweir } 57*cdf0e10cSrcweir }; 58*cdf0e10cSrcweir 59*cdf0e10cSrcweir /// Get converter from given data type to sal_uInt32 60*cdf0e10cSrcweir template< typename DataType > struct uInt32Converter 61*cdf0e10cSrcweir { 62*cdf0e10cSrcweir typedef std::identity<DataType> to; 63*cdf0e10cSrcweir typedef std::identity<DataType> from; 64*cdf0e10cSrcweir }; 65*cdf0e10cSrcweir template< unsigned int RedIndex, 66*cdf0e10cSrcweir unsigned int GreenIndex, 67*cdf0e10cSrcweir unsigned int BlueIndex > struct uInt32Converter< 68*cdf0e10cSrcweir vigra::RGBValue< sal_uInt8, 69*cdf0e10cSrcweir RedIndex, 70*cdf0e10cSrcweir GreenIndex, 71*cdf0e10cSrcweir BlueIndex > > 72*cdf0e10cSrcweir { 73*cdf0e10cSrcweir typedef UInt32FromRgbValue< 74*cdf0e10cSrcweir vigra::RGBValue< sal_uInt8, 75*cdf0e10cSrcweir RedIndex, 76*cdf0e10cSrcweir GreenIndex, 77*cdf0e10cSrcweir BlueIndex > > 78*cdf0e10cSrcweir to; 79*cdf0e10cSrcweir typedef RgbValueFromUInt32< 80*cdf0e10cSrcweir vigra::RGBValue< sal_uInt8, 81*cdf0e10cSrcweir RedIndex, 82*cdf0e10cSrcweir GreenIndex, 83*cdf0e10cSrcweir BlueIndex > > 84*cdf0e10cSrcweir from; 85*cdf0e10cSrcweir }; 86*cdf0e10cSrcweir } 87*cdf0e10cSrcweir 88*cdf0e10cSrcweir #endif /* INCLUDED_BASEBMP_INTCONVERSION_HXX */ 89