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Added love.math.compress(data, format [, level]) and love.math.decompress(compresseddata) / love.math.decompress(compressedstring, format).

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Renamed the love.image CompressedData type to CompressedImageData.

love.math.compress returns a love.math CompressedData object which holds the newly compressed data. Currently supported formats are "lz4" and "zlib". Note that the formats are not file formats and don't compress filesystem hierarchies.
This commit is contained in:
Alex Szpakowski
2015-03-23 11:28:14 -03:00
parent 4d92d00aff
commit a29b349014
45 changed files with 3895 additions and 395 deletions
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src/modules/math/MathModule.h
+40 -2
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@@ -22,6 +22,8 @@
#define LOVE_MATH_MODMATH_H
#include "RandomGenerator.h"
#include "CompressedData.h"
#include "Compressor.h"
// LOVE
#include "common/Module.h"
@@ -50,8 +52,7 @@ private:
public:
virtual ~Math()
{}
virtual ~Math();
/**
* @copydoc RandomGenerator::random()
@@ -162,12 +163,49 @@ public:
float noise(float x, float y, float z) const;
float noise(float x, float y, float z, float w) const;
/**
* Compresses a block of memory using the given compression format.
*
* @param format The compression format to use.
* @param rawdata The data to compress.
* @param level The amount of compression to apply (between 0 and 9.)
* A value of -1 indicates the default amount of compression.
* Specific formats may not use every level.
* @return The newly compressed data.
**/
CompressedData *compress(Compressor::Format format, Data *rawdata, int level = -1);
CompressedData *compress(Compressor::Format format, const char *rawbytes, size_t rawsize, int level = -1);
/**
* Decompresses existing compressed data into raw bytes.
*
* @param[in] data The compressed data to decompress.
* @param[out] decompressedsize The size in bytes of the decompressed data.
* @return The newly decompressed data (allocated with new[]).
**/
char *decompress(CompressedData *data, size_t &decompressedsize);
/**
* Decompresses existing compressed data into raw bytes.
*
* @param[in] format The compression format the data is in.
* @param[in] cbytes The compressed data to decompress.
* @param[in] compressedSize The size in bytes of the compressed data.
* @param[inout] rawsize On input, the size in bytes of the original
* uncompressed data, or 0 if unknown. On return, the size in
* bytes of the newly decompressed data.
* @return The newly decompressed data (allocated with new[]).
**/
char *decompress(Compressor::Format format, const char *cbytes, size_t compressedsize, size_t &rawsize);
static Math instance;
private:
Math();
Compressor *compressors[Compressor::FORMAT_MAX_ENUM];
}; // Math
inline float Math::noise(float x) const