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Diffstat (limited to 'basebmp/inc/basebmp/stridedarrayiterator.hxx')
-rw-r--r-- | basebmp/inc/basebmp/stridedarrayiterator.hxx | 117 |
1 files changed, 0 insertions, 117 deletions
diff --git a/basebmp/inc/basebmp/stridedarrayiterator.hxx b/basebmp/inc/basebmp/stridedarrayiterator.hxx deleted file mode 100644 index 684ff232c1..0000000000 --- a/basebmp/inc/basebmp/stridedarrayiterator.hxx +++ /dev/null @@ -1,117 +0,0 @@ -/* -*- 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 INCLUDED_BASEBMP_STRIDEDARRAYITERATOR_HXX -#define INCLUDED_BASEBMP_STRIDEDARRAYITERATOR_HXX - -#include <basebmp/metafunctions.hxx> - -namespace basebmp -{ - -/** Like vigra::StridedArrayIterator - - Changed semantics re. DirectionSelector<StridedArrayTag>: stride - now counts in <em>raw</em> bytes - - Adapts given ptr, in a way that iterator increments move forward - in strided steps. Stride can, by the way, also be negative - */ -template< typename T > class StridedArrayIterator -{ -public: - typedef typename clone_const<T, unsigned char>::type internal_type; - - /** Create iterator - - @param stride - - Stride in bytes. Given value should better match memory layout - of T, as memory gets reinterpret-casted. - */ - explicit StridedArrayIterator(int stride, T* ptr = 0) : - stride_(stride), - current_(reinterpret_cast<internal_type*>(ptr)) - {} - - /** Copy from other StridedArrayIterator, plus given offset - - @param offset - Offset in bytes - */ - StridedArrayIterator( StridedArrayIterator const& rSrc, - int offset ) : - stride_(rSrc.stride_), - current_(reinterpret_cast<internal_type*>( - reinterpret_cast<T*>(rSrc.current_)+offset)) - {} - - void operator++() {current_ += stride_; } - void operator++(int) {current_ += stride_; } - void operator--() {current_ -= stride_; } - void operator--(int) {current_ -= stride_; } - void operator+=(int dy) {current_ += dy*stride_; } - void operator-=(int dy) {current_ -= dy*stride_; } - - int operator-(StridedArrayIterator const & rhs) const - { return (current_ - rhs.current_) / stride_; } - - bool operator==(StridedArrayIterator const & rhs) const - { return current_ == rhs.current_; } - - bool operator!=(StridedArrayIterator const & rhs) const - { return current_ != rhs.current_; } - - bool operator<(StridedArrayIterator const & rhs) const - { return *this - rhs < 0; } - - bool operator<=(StridedArrayIterator const & rhs) const - { return *this - rhs <= 0; } - - bool operator>(StridedArrayIterator const & rhs) const - { return *this - rhs > 0; } - - bool operator>=(StridedArrayIterator const & rhs) const - { return *this - rhs >= 0; } - - T* operator()() const - { return reinterpret_cast<T*>(current_); } - - T* operator()(int d) const - { return reinterpret_cast<T*>(current_ + d*stride_); } - -private: - int stride_; - internal_type* current_; -}; - -} // namespace basebmp - -#endif /* INCLUDED_BASEBMP_STRIDEDARRAYITERATOR_HXX */ - -/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |