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diff --git a/basebmp/inc/basebmp/paletteimageaccessor.hxx b/basebmp/inc/basebmp/paletteimageaccessor.hxx
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-/* -*- 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 INCLUDED_BASEBMP_PALETTEIMAGEACCESSOR_HXX
-#define INCLUDED_BASEBMP_PALETTEIMAGEACCESSOR_HXX
-
-#include <basebmp/colortraits.hxx>
-#include <basebmp/accessortraits.hxx>
-
-#include <vigra/numerictraits.hxx>
-#include <vigra/metaprogramming.hxx>
-
-#include <algorithm>
-#include <functional>
-
-namespace basebmp
-{
-
-/** Access pixel data via palette indirection
-
- @tpl Accessor
- Raw accessor, to be used to actually access the pixel values
-
- @tpl ColorType
- The color value type to use - e.g. the palette is an array of that
- type
- */
-template< class Accessor, typename ColorType > class PaletteImageAccessor
-{
-public:
- typedef typename Accessor::value_type data_type;
- typedef ColorType value_type;
-
-#ifndef BOOST_NO_MEMBER_TEMPLATE_FRIENDS
-// making all members public, if no member template friends
-private:
- template<class A, typename C> friend class PaletteImageAccessor;
-#endif
-
- Accessor maAccessor;
- const value_type* mpPalette;
- std::size_t mnNumEntries;
-
-public:
- PaletteImageAccessor() :
- maAccessor(),
- mpPalette(0),
- mnNumEntries(0)
- {}
-
- template< class A > explicit
- PaletteImageAccessor( PaletteImageAccessor<A,ColorType> const& rSrc ) :
- maAccessor( rSrc.maAccessor ),
- mpPalette( rSrc.mpPalette ),
- mnNumEntries( rSrc.mnNumEntries )
- {}
-
- PaletteImageAccessor( const value_type* pPalette,
- std::size_t numEntries ) :
- maAccessor(),
- mpPalette(pPalette),
- mnNumEntries(numEntries)
- {}
-
- template< class T > PaletteImageAccessor( T accessor,
- const value_type* pPalette,
- std::size_t numEntries ) :
- maAccessor(accessor),
- mpPalette(pPalette),
- mnNumEntries(numEntries)
- {}
-
- // -------------------------------------------------------
-
- Accessor const& getWrappedAccessor() const { return maAccessor; }
- Accessor& getWrappedAccessor() { return maAccessor; }
-
- // -------------------------------------------------------
-
- data_type lookup(value_type const& v) const
- {
- // TODO(P3): use table-based/octree approach here!
- const value_type* best_entry;
- const value_type* palette_end( mpPalette+mnNumEntries );
- if( (best_entry=std::find( mpPalette, palette_end, v)) != palette_end )
- return best_entry-mpPalette;
-
- const value_type* curr_entry( mpPalette );
- best_entry = curr_entry;
- while( curr_entry != palette_end )
- {
- if( ColorTraits<value_type>::distance(*curr_entry,
- *best_entry)
- > ColorTraits<value_type>::distance(*curr_entry,
- v) )
- {
- best_entry = curr_entry;
- }
-
- ++curr_entry;
- }
-
- return best_entry-mpPalette;
- }
-
- // -------------------------------------------------------
-
- template< class Iterator >
- value_type operator()(Iterator const& i) const
- {
- return mpPalette[ maAccessor(i) ];
- }
-
- template< class Iterator, class Difference >
- value_type operator()(Iterator const& i, Difference const& diff) const
- {
- return mpPalette[ maAccessor(i,diff) ];
- }
-
- // -------------------------------------------------------
-
- template< typename V, class Iterator >
- void set(V const& value, Iterator const& i) const
- {
- maAccessor.set(
- lookup(
- vigra::detail::RequiresExplicitCast<value_type>::cast(value) ),
- i );
- }
-
- template< typename V, class Iterator, class Difference >
- void set(V const& value, Iterator const& i, Difference const& diff) const
- {
- maAccessor.set(
- lookup(
- vigra::detail::RequiresExplicitCast<value_type>::cast(value) ),
- i,
- diff );
- }
-};
-
-} // namespace basebmp
-
-#endif /* INCLUDED_BASEBMP_PALETTEIMAGEACCESSOR_HXX */
-
-/* vim:set shiftwidth=4 softtabstop=4 expandtab: */