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// Geometric Tools, LLC
// Copyright (c) 1998-2014
// Distributed under the Boost Software License, Version 1.0.
// http://www.boost.org/LICENSE_1_0.txt
// http://www.geometrictools.com/License/Boost/LICENSE_1_0.txt
//
// File Version: 5.0.0 (2010/01/01)
#include "Wm5GraphicsPCH.h"
#include "Wm5Buffer.h"
using namespace Wm5;
WM5_IMPLEMENT_RTTI(Wm5, Object, Buffer);
WM5_IMPLEMENT_STREAM(Buffer);
WM5_IMPLEMENT_ABSTRACT_FACTORY(Buffer);
WM5_IMPLEMENT_DEFAULT_NAMES(Object, Buffer);
//----------------------------------------------------------------------------
Buffer::Buffer ()
:
mNumElements(0),
mElementSize(0),
mUsage(Buffer::BU_QUANTITY),
mNumBytes(0),
mData(0)
{
}
//----------------------------------------------------------------------------
Buffer::Buffer (int numElements, int elementSize, Usage usage)
:
mNumElements(numElements),
mElementSize(elementSize),
mUsage(usage),
mNumBytes(numElements*elementSize)
{
assertion(mNumElements > 0, "Number of elements must be positive\n");
assertion(mElementSize > 0, "Element size must be positive\n");
mData = new1<char>(mNumBytes);
}
//----------------------------------------------------------------------------
Buffer::~Buffer ()
{
delete1(mData);
}
//----------------------------------------------------------------------------
//----------------------------------------------------------------------------
// Streaming support.
//----------------------------------------------------------------------------
Buffer::Buffer (LoadConstructor value)
:
Object(value),
mNumElements(0),
mElementSize(0),
mUsage(Buffer::BU_QUANTITY),
mNumBytes(0),
mData(0)
{
}
//----------------------------------------------------------------------------
void Buffer::Load (InStream& source)
{
WM5_BEGIN_DEBUG_STREAM_LOAD(source);
Object::Load(source);
source.Read(mNumElements);
source.Read(mElementSize);
source.ReadEnum(mUsage);
source.ReadRR(mNumBytes, mData);
WM5_END_DEBUG_STREAM_LOAD(Buffer, source);
}
//----------------------------------------------------------------------------
void Buffer::Link (InStream& source)
{
Object::Link(source);
}
//----------------------------------------------------------------------------
void Buffer::PostLink ()
{
Object::PostLink();
}
//----------------------------------------------------------------------------
bool Buffer::Register (OutStream& target) const
{
return Object::Register(target);
}
//----------------------------------------------------------------------------
void Buffer::Save (OutStream& target) const
{
WM5_BEGIN_DEBUG_STREAM_SAVE(target);
Object::Save(target);
target.Write(mNumElements);
target.Write(mElementSize);
target.WriteEnum(mUsage);
target.WriteW(mNumBytes, mData);
WM5_END_DEBUG_STREAM_SAVE(Buffer, target);
}
//----------------------------------------------------------------------------
int Buffer::GetStreamingSize () const
{
int size = Object::GetStreamingSize();
size += sizeof(mNumElements);
size += sizeof(mElementSize);
size += WM5_ENUMSIZE(mUsage);
size += sizeof(mNumBytes);
size += mNumBytes*sizeof(mData[0]);
return size;
}
//----------------------------------------------------------------------------
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