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Diffstat (limited to 'zopfli.h')
-rw-r--r-- | zopfli.h | 97 |
1 files changed, 0 insertions, 97 deletions
diff --git a/zopfli.h b/zopfli.h deleted file mode 100644 index 56512a2..0000000 --- a/zopfli.h +++ /dev/null @@ -1,97 +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_ZOPFLI_H_ -#define ZOPFLI_ZOPFLI_H_ - -#include <stddef.h> -#include <stdlib.h> /* for size_t */ - -#ifdef __cplusplus -extern "C" { -#endif - -/* -Options used throughout the program. -*/ -typedef struct ZopfliOptions { - /* Whether to print output */ - int verbose; - - /* Whether to print more detailed output */ - int verbose_more; - - /* - Maximum amount of times to rerun forward and backward pass to optimize LZ77 - compression cost. Good values: 10, 15 for small files, 5 for files over - several MB in size or it will be too slow. - */ - int numiterations; - - /* - If true, splits the data in multiple deflate blocks with optimal choice - for the block boundaries. Block splitting gives better compression. Default: - true (1). - */ - int blocksplitting; - - /* - If true, chooses the optimal block split points only after doing the iterative - LZ77 compression. If false, chooses the block split points first, then does - iterative LZ77 on each individual block. Depending on the file, either first - or last gives the best compression. Default: false (0). - */ - int blocksplittinglast; - - /* - Maximum amount of blocks to split into (0 for unlimited, but this can give - extreme results that hurt compression on some files). Default value: 15. - */ - int blocksplittingmax; -} ZopfliOptions; - -/* Initializes options with default values. */ -void ZopfliInitOptions(ZopfliOptions* options); - -/* Output format */ -typedef enum { - ZOPFLI_FORMAT_GZIP, - ZOPFLI_FORMAT_ZLIB, - ZOPFLI_FORMAT_DEFLATE -} ZopfliFormat; - -/* -Compresses according to the given output format and appends the result to the -output. - -options: global program options -output_type: the output format to use -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 ZopfliCompress(const ZopfliOptions* options, ZopfliFormat output_type, - const unsigned char* in, size_t insize, - unsigned char** out, size_t* outsize); - -#ifdef __cplusplus -} // extern "C" -#endif - -#endif /* ZOPFLI_ZOPFLI_H_ */ |