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-rw-r--r--Build/source/utils/asymptote/prc/PRCbitStream.h87
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diff --git a/Build/source/utils/asymptote/prc/PRCbitStream.h b/Build/source/utils/asymptote/prc/PRCbitStream.h
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+/************
+*
+* This file is part of a tool for producing 3D content in the PRC format.
+* Copyright (C) 2008 Orest Shardt <shardtor (at) gmail dot com> and
+* Michail Vidiassov <master@iaas.msu.ru>
+*
+* This program is free software: you can redistribute it and/or modify
+* it under the terms of the GNU Lesser General Public License as published by
+* the Free Software Foundation, either version 3 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 Lesser General Public License for more details.
+*
+* You should have received a copy of the GNU Lesser General Public License
+* along with this program. If not, see <http://www.gnu.org/licenses/>.
+*
+*************/
+
+#ifndef __PRC_BIT_STREAM_H
+#define __PRC_BIT_STREAM_H
+
+#ifdef _MSC_VER
+#include <stdio.h>
+#if _MSC_VER >= 1600
+#include <stdint.h>
+#else
+typedef signed char int8_t;
+typedef signed short int16_t;
+typedef signed long int32_t;
+typedef unsigned char uint8_t;
+typedef unsigned short uint16_t;
+typedef unsigned long uint32_t;
+#endif // _MSC_VER >= 1600
+#else
+#include <inttypes.h>
+#endif // _MSC_VER
+#include <string>
+#include <iostream>
+#include <stdlib.h>
+
+#define CHUNK_SIZE (1024)
+// Is this a reasonable initial size?
+
+class PRCbitStream
+{
+ public:
+ PRCbitStream(uint8_t*& buff, unsigned int l) : byteIndex(0), bitIndex(0),
+ allocatedLength(l), data(buff), compressed(false)
+ {
+ if(data == 0)
+ {
+ getAChunk();
+ }
+ }
+
+ unsigned int getSize() const;
+ uint8_t* getData();
+
+ PRCbitStream& operator <<(const std::string&);
+ PRCbitStream& operator <<(bool);
+ PRCbitStream& operator <<(uint32_t);
+ PRCbitStream& operator <<(uint8_t);
+ PRCbitStream& operator <<(int32_t);
+ PRCbitStream& operator <<(double);
+ PRCbitStream& operator <<(const char*);
+
+ void compress();
+ void write(std::ostream &out) const;
+ private:
+ void writeBit(bool);
+ void writeBits(uint32_t,uint8_t);
+ void writeByte(uint8_t);
+ void nextByte();
+ void nextBit();
+ void getAChunk();
+ // bitIndex is "big endian", zero based, location of next bit to write
+ unsigned int byteIndex,bitIndex;
+ unsigned int allocatedLength;
+ uint8_t*& data;
+ bool compressed;
+ uint32_t compressedDataSize;
+};
+
+#endif // __PRC_BIT_STREAM_H