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Diffstat (limited to 'deflate.h')
| -rw-r--r-- | deflate.h | 86 |
1 files changed, 0 insertions, 86 deletions
diff --git a/deflate.h b/deflate.h deleted file mode 100644 index 189c77a..0000000 --- a/deflate.h +++ /dev/null @@ -1,86 +0,0 @@ -/* -Copyright 2011 Google Inc. All Rights Reserved. - -Licensed under the Apache License, Version 2.0 (the "License"); -you may not use this file except in compliance with the License. -You may obtain a copy of the License at - - http://www.apache.org/licenses/LICENSE-2.0 - -Unless required by applicable law or agreed to in writing, software -distributed under the License is distributed on an "AS IS" BASIS, -WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -See the License for the specific language governing permissions and -limitations under the License. - -Author: lode.vandevenne@gmail.com (Lode Vandevenne) -Author: jyrki.alakuijala@gmail.com (Jyrki Alakuijala) -*/ - -#ifndef ZOPFLI_DEFLATE_H_ -#define ZOPFLI_DEFLATE_H_ - -/* -Functions to compress according to the DEFLATE specification, using the -"squeeze" LZ77 compression backend. -*/ - -#include "zopfli.h" - -#ifdef __cplusplus -extern "C" { -#endif - -/* -Compresses according to the deflate specification and append the compressed -result to the output. -This function will usually output multiple deflate blocks. If final is 1, then -the final bit will be set on the last block. - -options: global program options -btype: the deflate block type. Use 2 for best compression. - -0: non compressed blocks (00) - -1: blocks with fixed tree (01) - -2: blocks with dynamic tree (10) -final: whether this is the last section of the input, sets the final bit to the - last deflate block. -in: the input bytes -insize: number of input bytes -bp: bit pointer for the output array. This must initially be 0, and for - consecutive calls must be reused (it can have values from 0-7). This is - because deflate appends blocks as bit-based data, rather than on byte - boundaries. -out: pointer to the dynamic output array to which the result is appended. Must - be freed after use. -outsize: pointer to the dynamic output array size. -*/ -void ZopfliDeflate(const ZopfliOptions* options, int btype, int final, - const unsigned char* in, size_t insize, - unsigned char* bp, unsigned char** out, size_t* outsize); - -/* -Like ZopfliDeflate, but allows to specify start and end byte with instart and -inend. Only that part is compressed, but earlier bytes are still used for the -back window. -*/ -void ZopfliDeflatePart(const ZopfliOptions* options, int btype, int final, - const unsigned char* in, size_t instart, size_t inend, - unsigned char* bp, unsigned char** out, - size_t* outsize); - -/* -Calculates block size in bits. -litlens: lz77 lit/lengths -dists: ll77 distances -lstart: start of block -lend: end of block (not inclusive) -*/ -double ZopfliCalculateBlockSize(const unsigned short* litlens, - const unsigned short* dists, - size_t lstart, size_t lend, int btype); - -#ifdef __cplusplus -} // extern "C" -#endif - -#endif /* ZOPFLI_DEFLATE_H_ */ |