Lines Matching refs:compression
518 /* Include the compression library's header */
701 int compression; /* compression value:
722 /* Supported compression types for text in PNG files (tEXt, and zTXt).
1079 /* This is for compression type. PNG 1.0-1.2 only define the single type. */
1278 int zlib_level PNG_DEPSTRUCT; /* holds zlib compression level */
1279 int zlib_method PNG_DEPSTRUCT; /* holds zlib compression method */
1280 int zlib_window_bits PNG_DEPSTRUCT; /* holds zlib compression window bits */
1281 int zlib_mem_level PNG_DEPSTRUCT; /* holds zlib compression memory level */
1282 int zlib_strategy PNG_DEPSTRUCT; /* holds zlib compression strategy */
1317 png_byte compression PNG_DEPSTRUCT; /* file compression type (always 0) */
1607 /* Reset the compression stream */
1919 * libpng and the compression methods used by zlib. These functions are
1922 * expense of compression can modify them. See the compression library
1923 * header file (zlib.h) for an explination of the compression functions.
1968 * improve the compression for a given image.
2000 /* Set the library compression level. Currently, valid values range from
2001 * 0 - 9, corresponding directly to the zlib compression levels 0 - 9
2002 * (0 - no compression, 9 - "maximal" compression). Note that tests have
2003 * shown that zlib compression levels 3-6 usually perform as well as level 9
2005 * these values may not correspond directly to the zlib compression levels.
3201 /* Decompress data in a chunk that uses compression */
3325 png_charp text, png_size_t text_len, int compression)) PNG_PRIVATE;
3330 int compression, png_charp key, png_charp lang, png_charp lang_key,
