///////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 2002, Industrial Light & Magic, a division of Lucas
// Digital Ltd. LLC
//
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Industrial Light & Magic nor the names of
// its contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
///////////////////////////////////////////////////////////////////////////
//-----------------------------------------------------------------------------
//
// class ChannelListAttribute
//
//-----------------------------------------------------------------------------
#include <ImfChannelListAttribute.h>
namespace Imf {
namespace {
template <size_t N>
void checkIsNullTerminated (const char (&str)[N], const char *what)
{
for (int i = 0; i < N; ++i) {
if (str[i] == '\0')
return;
}
std::stringstream s;
s << "Invalid " << what << ": it is more than " << (N - 1)
<< " characters long.";
throw Iex::InputExc(s);
}
} // namespace
template <>
const char *
ChannelListAttribute::staticTypeName ()
{
return "chlist";
}
template <>
void
ChannelListAttribute::writeValueTo (OStream &os, int) const
{
for (ChannelList::ConstIterator i = _value.begin();
i != _value.end();
++i)
{
//
// Write name
//
Xdr::write <StreamIO> (os, i.name());
//
// Write Channel struct
//
Xdr::write <StreamIO> (os, int (i.channel().type));
Xdr::write <StreamIO> (os, i.channel().pLinear);
Xdr::pad <StreamIO> (os, 3);
Xdr::write <StreamIO> (os, i.channel().xSampling);
Xdr::write <StreamIO> (os, i.channel().ySampling);
}
//
// Write end of list marker
//
Xdr::write <StreamIO> (os, "");
}
template <>
void
ChannelListAttribute::readValueFrom (IStream &is, int, int)
{
while (true)
{
//
// Read name; zero length name means end of channel list
//
char name[Name::SIZE];
Xdr::read <StreamIO> (is, Name::MAX_LENGTH, name);
if (name[0] == 0)
break;
checkIsNullTerminated (name, "channel name");
//
// Read Channel struct
//
int type;
bool pLinear;
int xSampling;
int ySampling;
Xdr::read <StreamIO> (is, type);
Xdr::read <StreamIO> (is, pLinear);
Xdr::skip <StreamIO> (is, 3);
Xdr::read <StreamIO> (is, xSampling);
Xdr::read <StreamIO> (is, ySampling);
_value.insert
(name, Channel (PixelType (type), xSampling, ySampling, pLinear));
}
}
} // namespace Imf