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/*
** ClanLib SDK
** Copyright (c) 1997-2005 The ClanLib Team
**
** This software is provided 'as-is', without any express or implied
** warranty. In no event will the authors be held liable for any damages
** arising from the use of this software.
**
** Permission is granted to anyone to use this software for any purpose,
** including commercial applications, and to alter it and redistribute it
** freely, subject to the following restrictions:
**
** 1. The origin of this software must not be misrepresented; you must not
** claim that you wrote the original software. If you use this software
** in a product, an acknowledgment in the product documentation would be
** appreciated but is not required.
** 2. Altered source versions must be plainly marked as such, and must not be
** misrepresented as being the original software.
** 3. This notice may not be removed or altered from any source distribution.
**
** Note: Some of the libraries ClanLib may link to may have additional
** requirements or restrictions.
**
** File Author(s):
**
** Magnus Norddahl
** (if your name is missing here, please add it)
*/
#include <cstring>
#include "Core/precomp.h"
#include "API/Core/System/cl_assert.h"
#include <API/Core/IOData/outputsource.h>
#include "outputsource_memory_generic.h"
CL_OutputSource_MemoryGeneric::CL_OutputSource_MemoryGeneric(unsigned int blocksize)
{
m_blocksize = blocksize;
m_size = m_blocksize;
m_data = new unsigned char[m_blocksize];
m_pos = 0;
}
CL_OutputSource_MemoryGeneric::~CL_OutputSource_MemoryGeneric()
{
delete[] m_data;
}
void *CL_OutputSource_MemoryGeneric::get_data() const
{
return (void *) m_data;
}
int CL_OutputSource_MemoryGeneric::write(const void *data, int size)
{
if (m_pos + size > m_size) // extend array with blocksize
{
int new_size = m_size + size + m_blocksize;
unsigned char *old = m_data;
m_data = new unsigned char[new_size];
memcpy(m_data, old, m_pos);
delete[] old;
m_size = new_size;
}
memcpy(m_data + m_pos, data, size);
m_pos += size;
return size;
}
void CL_OutputSource_MemoryGeneric::open()
{
}
void CL_OutputSource_MemoryGeneric::close()
{
}
CL_OutputSource *CL_OutputSource_MemoryGeneric::clone()
{
cl_assert(false); // not implemented yet.
return NULL;
}
int CL_OutputSource_MemoryGeneric::tell() const
{
return m_pos;
}
int CL_OutputSource_MemoryGeneric::size() const
{
return m_pos;
}
void CL_OutputSource_MemoryGeneric::purge()
{
memset(m_data,0,m_size);
}
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