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Diffstat (limited to 'basebmp/inc/basebmp/paletteformats.hxx')
-rw-r--r-- | basebmp/inc/basebmp/paletteformats.hxx | 147 |
1 files changed, 147 insertions, 0 deletions
diff --git a/basebmp/inc/basebmp/paletteformats.hxx b/basebmp/inc/basebmp/paletteformats.hxx new file mode 100644 index 000000000000..d3de0ea18dd7 --- /dev/null +++ b/basebmp/inc/basebmp/paletteformats.hxx @@ -0,0 +1,147 @@ +/************************************************************************* + * + * 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 INCLUDED_BASEBMP_PACKEDPIXELFORMATS_HXX +#define INCLUDED_BASEBMP_PACKEDPIXELFORMATS_HXX + +#include <basebmp/color.hxx> +#include <basebmp/colortraits.hxx> +#include <basebmp/accessor.hxx> +#include <basebmp/pixeliterator.hxx> +#include <basebmp/packedpixeliterator.hxx> +#include <basebmp/pixelformatadapters.hxx> +#include <basebmp/paletteimageaccessor.hxx> +#include <basebmp/metafunctions.hxx> + +#include <vigra/numerictraits.hxx> +#include <vigra/metaprogramming.hxx> + +#include <functional> + +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<Color> 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 */ |