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/*
* Copyright (C) 2004-2012 Geometer Plus <contact@geometerplus.com>
*
* This program 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.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA.
*/
#include <cstring>
#include "BitStream.h"
const int BitStream::BufferSize = sizeof(unsigned int) * 8;
unsigned int BitStream::get4BytesDirect() {
if (myByteStream + 4 > myByteStreamEnd) {
return 0;
}
unsigned int bytes = *myByteStream++ << 24;
bytes += *myByteStream++ << 16;
bytes += *myByteStream++ << 8;
bytes += *myByteStream++;
return bytes;
}
bool BitStream::getBytesDirect(unsigned char *buffer, unsigned int length) {
if (myByteStream + length > myByteStreamEnd) {
return false;
}
std::memcpy(buffer, myByteStream, length);
myByteStream += length;
return true;
}
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