/* -*- 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 * * for a copy of the LGPLv3 License. * ************************************************************************/ #ifndef INCLUDED_BASEBMP_PACKEDPIXELFORMATS_HXX #define INCLUDED_BASEBMP_PACKEDPIXELFORMATS_HXX #include #include #include #include #include #include #include #include #include #include namespace basebmp { //----------------------------------------------------------------------------- /** Lookup index value for given color value in a PaletteImageAccessor */ template< class Accessor > struct ColorLookup { typename Accessor::data_type operator()( const Accessor& acc, typename Accessor::value_type v ) const { return acc.lookup(v); } }; //----------------------------------------------------------------------------- // partial specialization of AccessorTraits for PaletteAccessor template< class Accessor, typename ColorType > struct AccessorTraits< PaletteImageAccessor< Accessor, ColorType > > { /// value type of described accessor typedef typename PaletteImageAccessor< Accessor, ColorType >::value_type value_type; /// Retrieve stand-alone color lookup function for given Accessor type typedef ColorLookup< PaletteImageAccessor< Accessor, ColorType > > color_lookup; /// Retrieve raw pixel data accessor for given Accessor type typedef Accessor raw_accessor; /** accessor for XOR setter access is disabled, since the results * are usually completely unintended - you'll usually want to * wrap an xor_accessor with a PaletteAccessor, not the other way * around. */ typedef vigra::VigraFalseType xor_accessor; /** accessor for masked setter access is disabled, since the * results are usually completely unintended - you'll usually * want to wrap a masked_accessor with a PaletteAccessor, not the * other way around. */ template< class MaskAccessor, class Iterator, class MaskIterator > struct masked_accessor { typedef vigra::VigraFalseType type; }; }; //----------------------------------------------------------------------------- template< typename ColorType > struct PaletteAccessorSelector { template< class Accessor > struct wrap_accessor { typedef PaletteImageAccessor< Accessor, ColorType > type; }; }; //----------------------------------------------------------------------------- template< class Iterator, class Accessor > struct PixelFormatTraitsTemplate_Palette { typedef typename Iterator::value_type pixel_type; typedef Iterator iterator_type; typedef Accessor raw_accessor_type; typedef PaletteAccessorSelector accessor_selector; }; template< int BitsPerPixel, bool MsbFirst > struct PixelFormatTraitsTemplate_PackedPalette : public PixelFormatTraitsTemplate_Palette< PackedPixelIterator< sal_uInt8, BitsPerPixel, MsbFirst >, NonStandardAccessor< sal_uInt8 > > {}; //----------------------------------------------------------------------------- // 1bpp MSB typedef PixelFormatTraitsTemplate_PackedPalette<1, true> PixelFormatTraits_PAL1_MSB; // 1bpp LSB typedef PixelFormatTraitsTemplate_PackedPalette<1, false> PixelFormatTraits_PAL1_LSB; // 4bpp MSB typedef PixelFormatTraitsTemplate_PackedPalette<4, true> PixelFormatTraits_PAL4_MSB; // 4bpp LSB typedef PixelFormatTraitsTemplate_PackedPalette<4, false> PixelFormatTraits_PAL4_LSB; // 8bpp typedef PixelFormatTraitsTemplate_Palette< PixelIterator< sal_uInt8 >, StandardAccessor< sal_uInt8 > > PixelFormatTraits_PAL8; } // namespace basebmp #endif /* INCLUDED_BASEBMP_PACKEDPIXELFORMATS_HXX */ /* vim:set shiftwidth=4 softtabstop=4 expandtab: */