compress.h

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00001 /*
00002   Copyright 1999-2019 ImageMagick Studio LLC, a non-profit organization
00003   dedicated to making software imaging solutions freely available.
00004   
00005   You may not use this file except in compliance with the License.  You may
00006   obtain a copy of the License at
00007   
00008     https://imagemagick.org/script/license.php
00009   
00010   Unless required by applicable law or agreed to in writing, software
00011   distributed under the License is distributed on an "AS IS" BASIS,
00012   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
00013   See the License for the specific language governing permissions and
00014   limitations under the License.
00015 
00016   MagickCore image compression/decompression methods.
00017 */
00018 #ifndef MAGICKCORE_COMPRESS_H
00019 #define MAGICKCORE_COMPRESS_H
00020 
00021 #if defined(__cplusplus) || defined(c_plusplus)
00022 extern "C" {
00023 #endif
00024 
00025 typedef enum
00026 {
00027   UndefinedCompression,
00028   NoCompression,
00029   BZipCompression,
00030   DXT1Compression,
00031   DXT3Compression,
00032   DXT5Compression,
00033   FaxCompression,
00034   Group4Compression,
00035   JPEGCompression,
00036   JPEG2000Compression,      /* ISO/IEC std 15444-1 */
00037   LosslessJPEGCompression,
00038   LZWCompression,
00039   RLECompression,
00040   ZipCompression,
00041   ZipSCompression,
00042   PizCompression,
00043   Pxr24Compression,
00044   B44Compression,
00045   B44ACompression,
00046   LZMACompression,            /* Lempel-Ziv-Markov chain algorithm */
00047   JBIG1Compression,           /* ISO/IEC std 11544 / ITU-T rec T.82 */
00048   JBIG2Compression,           /* ISO/IEC std 14492 / ITU-T rec T.88 */
00049   ZstdCompression,
00050   WebPCompression
00051 } CompressionType;
00052 
00053 typedef struct _Ascii85Info
00054   Ascii85Info;
00055 
00056 extern MagickExport MagickBooleanType
00057   HuffmanDecodeImage(Image *),
00058   HuffmanEncodeImage(const ImageInfo *,Image *,Image *),
00059   LZWEncodeImage(Image *,const size_t,unsigned char *magick_restrict),
00060   PackbitsEncodeImage(Image *,const size_t,unsigned char *magick_restrict),
00061   ZLIBEncodeImage(Image *,const size_t,unsigned char *magick_restrict);
00062 
00063 extern MagickExport void
00064   Ascii85Encode(Image *,const unsigned char),
00065   Ascii85Flush(Image *),
00066   Ascii85Initialize(Image *);
00067 
00068 #if defined(__cplusplus) || defined(c_plusplus)
00069 }
00070 #endif
00071 
00072 #endif

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