Point Cloud Library (PCL)
1.13.1
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pcl
io
ply
byte_order.h
Go to the documentation of this file.
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/*
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* Software License Agreement (BSD License)
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*
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* Point Cloud Library (PCL) - www.pointclouds.org
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* Copyright (c) 2007-2012, Ares Lagae
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* Copyright (c) 2012, Willow Garage, Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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* * Neither the name of the copyright holder(s) nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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* $Id$
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*
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*/
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#pragma once
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#include <boost/predef/other/endian.h>
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#include <cstddef>
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#include <utility>
// for swap
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namespace
pcl
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{
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namespace
io
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{
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namespace
ply
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{
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/** \file byte_order.h
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* defines byte shift operations and endianness.
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* \author Ares Lagae as part of libply, Nizar Sallem
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* \ingroup io
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*/
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enum
byte_order
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{
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little_endian_byte_order
,
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big_endian_byte_order
,
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#if BOOST_ENDIAN_BIG_BYTE
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host_byte_order =
big_endian_byte_order
,
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#elif BOOST_ENDIAN_LITTLE_BYTE
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host_byte_order =
little_endian_byte_order
,
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#else
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#error "unable to determine system endianness"
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#endif
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network_byte_order
=
big_endian_byte_order
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};
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template
<std::
size_t
N>
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void
swap_byte_order
(
char
* bytes);
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template
<>
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inline
void
swap_byte_order<1>
(
char
*) {}
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template
<>
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inline
void
swap_byte_order<2>
(
char
* bytes)
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{
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std::swap (bytes[0], bytes[1]);
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}
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template
<>
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inline
void
swap_byte_order<4>
(
char
* bytes)
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{
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std::swap (bytes[0], bytes[3]);
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std::swap (bytes[1], bytes[2]);
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}
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template
<>
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inline
void
swap_byte_order<8>
(
char
* bytes)
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{
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std::swap (bytes[0], bytes[7]);
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std::swap (bytes[1], bytes[6]);
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std::swap (bytes[2], bytes[5]);
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std::swap (bytes[3], bytes[4]);
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}
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template
<
typename
T>
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void
swap_byte_order
(T& value)
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{
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swap_byte_order<sizeof (T)> (
reinterpret_cast<
char
*
>
(&value));
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}
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}
// namespace ply
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}
// namespace io
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}
// namespace pcl
pcl::io::ply::swap_byte_order
void swap_byte_order(char *bytes)
pcl::io::ply::swap_byte_order< 1 >
void swap_byte_order< 1 >(char *)
Definition
byte_order.h:77
pcl::io::ply::byte_order
byte_order
Definition
byte_order.h:60
pcl::io::ply::big_endian_byte_order
@ big_endian_byte_order
Definition
byte_order.h:62
pcl::io::ply::network_byte_order
@ network_byte_order
Definition
byte_order.h:70
pcl::io::ply::little_endian_byte_order
@ little_endian_byte_order
Definition
byte_order.h:61
pcl::io::ply::swap_byte_order< 4 >
void swap_byte_order< 4 >(char *bytes)
Definition
byte_order.h:86
pcl::io::ply::swap_byte_order< 2 >
void swap_byte_order< 2 >(char *bytes)
Definition
byte_order.h:80
pcl::io::ply::swap_byte_order< 8 >
void swap_byte_order< 8 >(char *bytes)
Definition
byte_order.h:93
pcl
Definition
convolution.h:46