compress.h

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00001 /*
00002   Copyright 1999-2010 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.
00006   obtain a copy of the License at
00007   
00008     http://www.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,
00037   LosslessJPEGCompression,
00038   LZWCompression,
00039   RLECompression,
00040   ZipCompression
00041 } CompressionType;
00042 
00043 typedef struct _Ascii85Info
00044   Ascii85Info;
00045 
00046 extern MagickExport MagickBooleanType
00047   HuffmanDecodeImage(Image *),
00048   HuffmanEncodeImage(const ImageInfo *,Image *,Image *),
00049   Huffman2DEncodeImage(const ImageInfo *,Image *,Image *),
00050   LZWEncodeImage(Image *,const size_t,unsigned char *),
00051   PackbitsEncodeImage(Image *,const size_t,unsigned char *),
00052   ZLIBEncodeImage(Image *,const size_t,unsigned char *);
00053 
00054 extern MagickExport void
00055   Ascii85Encode(Image *,const unsigned char),
00056   Ascii85Flush(Image *),
00057   Ascii85Initialize(Image *);
00058 
00059 #if defined(__cplusplus) || defined(c_plusplus)
00060 }
00061 #endif
00062 
00063 #endif