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      1 /*
      2   Copyright 1999-2019 ImageMagick Studio LLC, a non-profit organization
      3   dedicated to making software imaging solutions freely available.
      4 
      5   You may not use this file except in compliance with the License.  You may
      6   obtain a copy of the License at
      7 
      8     https://imagemagick.org/script/license.php
      9 
     10   Unless required by applicable law or agreed to in writing, software
     11   distributed under the License is distributed on an "AS IS" BASIS,
     12   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13   See the License for the specific language governing permissions and
     14   limitations under the License.
     15 
     16   MagickCore image compression/decompression methods.
     17 */
     18 #ifndef MAGICKCORE_COMPRESS_H
     19 #define MAGICKCORE_COMPRESS_H
     20 
     21 #if defined(__cplusplus) || defined(c_plusplus)
     22 extern "C" {
     23 #endif
     24 
     25 typedef enum
     26 {
     27   UndefinedCompression,
     28   B44ACompression,
     29   B44Compression,
     30   BZipCompression,
     31   DXT1Compression,
     32   DXT3Compression,
     33   DXT5Compression,
     34   FaxCompression,
     35   Group4Compression,
     36   JBIG1Compression,        /* ISO/IEC std 11544 / ITU-T rec T.82 */
     37   JBIG2Compression,        /* ISO/IEC std 14492 / ITU-T rec T.88 */
     38   JPEG2000Compression,     /* ISO/IEC std 15444-1 */
     39   JPEGCompression,
     40   LosslessJPEGCompression,
     41   LZMACompression,         /* Lempel-Ziv-Markov chain algorithm */
     42   LZWCompression,
     43   NoCompression,
     44   PizCompression,
     45   Pxr24Compression,
     46   RLECompression,
     47   ZipCompression,
     48   ZipSCompression,
     49   ZstdCompression,
     50   WebPCompression
     51 } CompressionType;
     52 
     53 typedef struct _Ascii85Info
     54   Ascii85Info;
     55 
     56 extern MagickExport MagickBooleanType
     57   HuffmanDecodeImage(Image *,ExceptionInfo *),
     58   HuffmanEncodeImage(const ImageInfo *,Image *,Image *,ExceptionInfo *),
     59   LZWEncodeImage(Image *,const size_t,unsigned char *magick_restrict,
     60     ExceptionInfo *),
     61   PackbitsEncodeImage(Image *,const size_t,unsigned char *magick_restrict,
     62     ExceptionInfo *),
     63   ZLIBEncodeImage(Image *,const size_t,unsigned char *magick_restrict,
     64     ExceptionInfo *);
     65 
     66 extern MagickExport void
     67   Ascii85Encode(Image *,const unsigned char),
     68   Ascii85Flush(Image *),
     69   Ascii85Initialize(Image *);
     70 
     71 #if defined(__cplusplus) || defined(c_plusplus)
     72 }
     73 #endif
     74 
     75 #endif
     76