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Work on compression.

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This commit is contained in:
Daviw Williams
2013-01-31 16:56:32 +01:00
parent a81ec68714
commit 46e38c4714
5 changed files with 30 additions and 8 deletions
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19
library/polyvoxcore/source/MinizCompressor.cpp
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@ -9,11 +9,16 @@
#define MINIZ_NO_ZLIB_COMPATIBLE_NAMES
//#define MINIZ_NO_MALLOC
#include "PolyVoxCore/Impl/ErrorHandling.h"
// For some unknown reason the miniz library is supplied only as a
// single .c file without a header. Apparently the only way to use
// it is then to #include it directly which is what the examples do.
#include "PolyVoxCore/Impl/miniz.c"
#include <sstream>
using namespace std;
namespace PolyVox
{
MinizCompressor::MinizCompressor()
@ -30,7 +35,12 @@ namespace PolyVox
// Do the compression
int result = mz_compress((unsigned char*)pDstData, &ulDstLength, (const unsigned char*) pSrcData, uSrcLength);
assert(result == MZ_OK);
if(result != MZ_OK)
{
stringstream ss;
ss << "mz_compress() failed with return code '" << result << "'";
POLYVOX_THROW(std::runtime_error, ss.str());
}
// Return the number of bytes written to the output.
return ulDstLength;
@ -41,7 +51,12 @@ namespace PolyVox
mz_ulong ulDstLength = uDstLength;
int result = mz_uncompress((unsigned char*) pDstData, &ulDstLength, (const unsigned char*) pSrcData, uSrcLength);
assert(result == MZ_OK);
if(result != MZ_OK)
{
stringstream ss;
ss << "mz_uncompress() failed with return code '" << result << "'";
POLYVOX_THROW(std::runtime_error, ss.str());
}
return ulDstLength;
}