80 lines
2.3 KiB
C++
80 lines
2.3 KiB
C++
// Copyright 2003 Jeremy Sawicki
|
|
//
|
|
// This file is part of OxydLib.
|
|
//
|
|
// OxydLib is free software; you can redistribute it and/or modify
|
|
// it under the terms of the GNU General Public License as published by
|
|
// the Free Software Foundation; either version 2 of the License, or
|
|
// (at your option) any later version.
|
|
//
|
|
// OxydLib 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 General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU General Public License
|
|
// along with OxydLib; if not, write to the Free Software
|
|
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
|
|
#include "VecUtils.h"
|
|
|
|
namespace OxydLib {
|
|
|
|
unsigned int getInt2(ByteVec::const_iterator it)
|
|
{
|
|
return (((unsigned int)(*it)) << 8) |
|
|
(((unsigned int)(*(it + 1))));
|
|
}
|
|
|
|
unsigned int getInt4(ByteVec::const_iterator it)
|
|
{
|
|
return (((unsigned int)(*it)) << 24) |
|
|
(((unsigned int)(*(it + 1))) << 16) |
|
|
(((unsigned int)(*(it + 2))) << 8) |
|
|
(((unsigned int)(*(it + 3))));
|
|
}
|
|
|
|
void putInt2(ByteVec::iterator it, unsigned int ii)
|
|
{
|
|
*it = (unsigned char)((ii & 0xff00) >> 8);
|
|
*(it + 1) = (unsigned char)((ii & 0x00ff));
|
|
}
|
|
|
|
void putInt4(ByteVec::iterator it, unsigned int ii)
|
|
{
|
|
*it = (unsigned char)((ii & 0xff000000) >> 24);
|
|
*(it + 1) = (unsigned char)((ii & 0x00ff0000) >> 16);
|
|
*(it + 2) = (unsigned char)((ii & 0x0000ff00) >> 8);
|
|
*(it + 3) = (unsigned char)((ii & 0x000000ff));
|
|
}
|
|
|
|
unsigned int getInt2Reversed(ByteVec::const_iterator it)
|
|
{
|
|
return (((unsigned int)(*it))) |
|
|
(((unsigned int)(*(it + 1))) << 8);
|
|
}
|
|
|
|
unsigned int getInt4Reversed(ByteVec::const_iterator it)
|
|
{
|
|
return (((unsigned int)(*it))) |
|
|
(((unsigned int)(*(it + 1))) << 8) |
|
|
(((unsigned int)(*(it + 2))) << 16) |
|
|
(((unsigned int)(*(it + 3))) << 24);
|
|
}
|
|
|
|
void putInt2Reversed(ByteVec::iterator it, unsigned int ii)
|
|
{
|
|
*it = (unsigned char)((ii & 0x00ff));
|
|
*(it + 1) = (unsigned char)((ii & 0xff00) >> 8);
|
|
}
|
|
|
|
void putInt4Reversed(ByteVec::iterator it, unsigned int ii)
|
|
{
|
|
*it = (unsigned char)((ii & 0x000000ff));
|
|
*(it + 1) = (unsigned char)((ii & 0x0000ff00) >> 8);
|
|
*(it + 2) = (unsigned char)((ii & 0x00ff0000) >> 16);
|
|
*(it + 3) = (unsigned char)((ii & 0xff000000) >> 24);
|
|
}
|
|
|
|
}
|